SK500Operator’s Manual CMW® Issue 2.0 054- 091 SK500 Operator’s Manual Overview - 1 Overview Chapter Contents Serial Number Location . . . . . . . . . . . . . . . . . . . . . . 2 Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Unit Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Operator Orientation. . . . . . . . . . . . . . . . . . . . . . . . . 4 About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 4 • • Bulleted Lists. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Numbered Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 CMW Overview - 2 SK500 Operator’s Manual Serial Number Location Serial Number Location Record serial numbers and date of purchase in spaces provided. Unit serial number is located as shown. t05om025c.eps Item date of manufacture date of purchase unit serial number engine serial number CMW Engine compartment 4. Unit Components 1 2 3 4 5 t05om001c. Use in any other way is considered contrary to the intended use. serviced. The SK500 has a quick attach mount plate which makes it easy for an operator to connect different attachments. The unit is designed for operation in temperatures typically experienced in earth moving and construction work environments. Provisions may be required to operate in extreme temperatures.3 Intended Use The SK500 is a walk-behind. The SK500 should be operated. and repaired only by persons familiar with its particular characteristics and acquainted with the relevant safety procedures.SK500 Operator’s Manual Intended Use Overview . Lift arms 3. Tracks 5. Contact your Ditch Witch dealer. rubber track mini skid steer unit designed for light-to medium-duty construction work.eps 1. Operator station CMW . Mount plate 2. CMW . See the beige Operation Overview pages for basic operating procedures. Right side of unit 3. Front of unit 2.4 SK500 Operator’s Manual Operator Orientation Operator Orientation 1.Overview .eps 3 About This Manual This manual contains information for the proper use of this machine. Left side of unit 1 4 2 t05om021c. Rear of unit 4. Numbered Lists Numbered lists contain illustration callouts or list steps that must be performed in order. Cross references such as “See page 50” will direct you to detailed procedures. Bulleted Lists Bulleted lists provide helpful or important information or contain procedures that do not have to be performed in a specific order. Some product improvements may have taken place after this manual was published. Keep it with the equipment at all times for future reference. For the latest information on Ditch Witch equipment.ditchwitch. If you need a replacement copy. CMW . It provides safety information and operation instructions to help you use and maintain your Ditch Witch equipment. be sure to give this manual to the new owner. If you need assistance in locating a dealer. reserves the right to improve equipment. The Charles Machine Works. If you sell your equipment. Read this manual before using your equipment. Inc. Attn: Marketing Department PO Box 66 Perry. contact your Ditch Witch dealer. visit our website at www. OK 73077-0066 USA The descriptions and specifications in this manual are subject to change without notice.5 Foreword This manual is an important part of your equipment.com or write to the following address: The Charles Machine Works. Inc. Thank you for buying and using Ditch Witch equipment. see your Ditch Witch dealer.SK500 Operator’s Manual Foreword . Roto Witch. 2004. Inc. Ditch Witch. Inc. Modularmatic. Perma-Soil. CMW . Super Witch. Jet Trac. . and The Underground Authority Worldwide are registered trademarks of The Charles Machine Works. Super Witch II.6 SK500 Operator’s Manual SK500 Operator’s Manual Issue number 2.Foreword . Fluid Miser. 2005 by The Charles Machine Works. AutoCrowd. The Underground.0/OM-1/05 Part number 054-091 Copyright 2003. Pierce Airrow. Subsite. CMW. Power Pipe. gauges. measurements. and procedures for obtaining warranty consideration and training Service Record a record of major service performed on the machine CMW . and factory contact information Safety machine safety alerts and emergency procedures Controls machine controls. and towing Complete the Job procedures for restoring the jobsite and rinsing and storing equipment Service service intervals and instructions for this machine including lubrication. and connecting attachments Drive procedures for startup. and shutdown Transport procedures for lifting. planning the installation path (if needed). and fluid capacities Support the warranty policy for this machine.7 Contents Overview machine serial number. and basic maintenance Specifications machine specifications including weights. information about the type of work this machine is designed to perform. driving. and indicators and how to use them Prepare procedures for inspecting and classifying the jobsite. replacement of wear items. basic machine components. and publication date of this manual. revision level. hauling.SK500 Operator’s Manual Contents . and how to use this manual 1 5 9 17 21 29 33 41 43 65 69 73 Foreword part number. power ratings. cold start. preparing the jobsite for work. Contents .8 SK500 Operator’s Manual CMW . . . . . . . . . . . 10 Safety Alert Classifications . . . . . .9 Safety Chapter Contents Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 CMW . . . . . . . . . . . . . . . . . . . .15 If an Electric Line is Damaged . . . . . .SK500 Operator’s Manual Safety . . . . . . . . . . . . . . . . . . . . . 11 Safety Alerts . . .16 If a Fiber Optic Cable is Damaged . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Emergency Procedures . . . . . . . .16 If Machine Catches on Fire . . . . . . . . . . . . . . . . . 15 • • • • • Electric Strike Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 If a Gas Line is Damaged . . . . . . . . . . . . . . . . . . . . . . . . contact utility company. and work methods for jobsite. Contact One-Call (888-258-0808) and any utility companies which do not subscribe to One-Call. Contact your Ditch Witch dealer if you have any question about operation.10 SK500 Operator’s Manual Guidelines Guidelines Follow these guidelines before operating any jobsite equipment: • • Complete proper training and read operator’s manual before using equipment. maintenance. Stop operation and investigate anything that does not look or feel right. Wear personal protective equipment. If you damage a utility. Have all underground pipes and cables located and marked before operating equipment. Replace missing or damaged safety shields and safety signs. Safety videos are available from your Ditch Witch dealer.Safety . Use equipment carefully. safety equipment. Review jobsite hazards. Classify jobsite based on its hazards and use correct tools and machinery. Do not operate unit where flammable gas is present. and individual responsibilities with all personnel before work begins. safety and emergency procedures. or equipment use. • • • • • • • • CMW . Mark jobsite clearly and keep spectators away. indicates a potentially hazardous situation which. indicates an imminently hazardous situation which. YOUR SAFETY IS AT STAKE. may result in minor or moderate injury. will result in death or serious injury. Watch for the three safety alert levels: DANGER. WARNING and CAUTION.SK500 Operator’s Manual Safety Alert Classifications Safety . When you see these words and icons in the book or on the machine. could result in death or serious injury. jobsite bystanders or your equipment. if not avoided. It can also alert you against unsafe practices. IMPORTANT can help you do a better job or make your job easier in some way. Learn what each level means. CMW . Watch for two other words: NOTICE and IMPORTANT. if not avoided. if not avoided. indicates a potentially hazardous situation which. NOTICE can keep you from doing something that might damage the machine or someone's property. carefully read and follow all instructions.11 Safety Alert Classifications These classifications and the icons defined on the following pages work together to alert you to situations which could be harmful to you. 12 SK500 Operator’s Manual Safety Alerts Safety Alerts Moving digging teeth will kill you or cut off arm or leg. Deadly gases. Stay away. Moving parts could cut off hand or foot. CMW . Stay away. Lack of oxygen or presence of gas will cause sickness or death. Use proper procedures and equipment or stay away. Electric shock. Use correct equipment and work methods. Turning shaft will kill you or crush arm or leg. Crushing weight could cause death or serious injury. Use and maintain proper safety equipment. Know location of lines and stay away. Provide ventilation. Contacting electric lines will cause death or serious injury.Safety . Stay away. Jobsite hazards could cause death or serious injury. 13 Explosion possible. Learn how to use all controls. Looking into fiber optic cable could result in permanent vision damage. Start and operate only from operator’s position. no flame.SK500 Operator’s Manual Safety Alerts Safety . Improper control function could cause death or serious injury. Runaway possible. or property damage. Fluid or air pressure could pierce skin and cause injury or death. Follow directions carefully. Incorrect procedures could result in death. injury. If control does not work as described in instructions. stop machine and have it serviced. Serious injury or equipment damage could occur. Fumes could ignite and cause burns. CMW . no spark. Machine could run over you or others. Do not look into ends of fiber optic or unidentified cable. Fire or explosion possible. Stay away. No smoking. Learn to use equipment correctly. Follow instructions on labels and in material safety data sheets (MSDS).hazardous situation. or equipment damage. Improper handling or use of chemicals may result in illness. injury. Wear hearing protection. Hot parts may cause burns.Safety . wear high visibility clothing. Avoid moving vehicles. Wear hard hat and safety glasses. Exposure to high noise levels may cause hearing loss. Flying objects may cause injury.14 SK500 Operator’s Manual Safety Alerts Moving traffic . Avoid contact. Slips or trips may result in injury. Fall possible. Keep area clean. Death or serious injury could result. Do not touch until cool. CMW . Battery acid may cause burns. post appropriate warning signs. Most electric strikes are not noticeable. Pipes. not just path of least resistance. Almost one-third of work-related electrocutions result from contact with less than 440 volts. CMW . Electric Strike Description When working near electric cables.Turn ignition switch to STOP. Low voltage current can injure or kill.SK500 Operator’s Manual Emergency Procedures Safety . remember the following: • • • Electricity follows all paths to ground. EMERGENCY SHUTDOWN .15 Emergency Procedures Before operating any equipment. review emergency procedures and check that all safety precautions have been taken. hoses. and cables will conduct electricity back to all equipment. assume an electric strike has occurred. but indications of a strike include: • • • • • power outage smoke explosion popping noises arcing electricity If any of these occur. Warn others that a gas line has been cut and that they should leave the area. If a Fiber Optic Cable is Damaged Do not look into cut ends of fiber optic or unidentified cable. Remove any ignition source(s). • • Warn people nearby that an electric strike has occurred. The order and degree of action will depend upon the situation. Vision damage can occur. CMW . Do not return to jobsite until given permission by emergency personnel and utility company. The order and degree of action will depend on the situation. • • • • • • • Immediately shut off engine(s). If jobsite is along street. Leave jobsite as quickly as possible. If a Gas Line is Damaged If you suspect a gas line has been damaged. If Machine Catches on Fire Perform emergency shutdown procedure and then take the following actions. leave area as quickly as possible and contact emergency personnel. Instruct them to leave the area and contact utility.16 SK500 Operator’s Manual Emergency Procedures If an Electric Line is Damaged If you suspect an electric line has been damaged and you are near pedestrian unit. The order and degree of action will depend on the situation.Safety . Take the following actions. attempt to extinguish fire. If fire is small and fire extinguisher is available. If fire cannot be extinguished. Do not allow anyone into area until given permission by utility company. take the following actions. DO NOT MOVE and do not touch unit. if this can be done safely and quickly. stop traffic from driving near jobsite. if this can be done safely and quickly. Immediately call your local emergency phone number and utility company. • • • Immediately move battery disconnect switch (if equipped) to disconnect position. Left track drive control Item 1. Choke 2. Notes c00ic013c. Auxiliary power outlet 3. plug into outlet.17 Controls 1 2 3 4 5 6 7 8 9 t05om005c. Throttle 11. Hourmeter 6. Engine oil pressure indicator 7. push in completely. Fuel gauge 5.SK500 Operator’s Manual Controls . Attachment drive control 9. pull knob. When engine has warmed. Choke Description To help start cold engine. Right track drive control 12. Ignition switch 4. Auxiliary power outlet To operate work lights or other 12V devices.eps 12 11 10 1. Lift arm control 10. Hydraulic fluid temperature indicator 8. CMW .eps 2. Tank holds 6 gal (23 L). 1. Engine will stop. turn key to STOP and then restart. Also lights briefly when engine is started. Notes IMPORTANT: If engine does not start or stalls. 6. Fuel gauge Displays fuel level in tank. turn key counterclockwise. insert key and turn clockwise. Hourmeter Displays engine operating time. Engine oil pressure indicator Lights when engine oil pressure is low. Check for leaks before starting engine. To stop engine. Use only unleaded gasoline. CMW . 2. 5.Controls .18 SK500 Operator’s Manual Description To start engine. Check oil level. Ignition switch 4. Item 3. Use these times to schedule service. push. To curl attachment down. Hydraulic fluid temperature indicator Description Lights when hydraulic fluid is overheating. move to left. Attachment drive control To engage attachment drive in reverse. c00ic009c. pull.eps 10. 8. See page 65.eps 9. Increasing engine speed also increases attachment speed.SK500 Operator’s Manual Item 7. To move lift arms up. pull. move to right. c00ic010c. push forward to end. Throttle To increase engine speed. push up. CMW . To float.19 Check hydraulic fluid level. Notes Controls . push. To engage attachment drive in forward. Lift arm control To move lift arms down. IMPORTANT: Do not exceed rated operating capacity when lifting loads. To decrease engine speed. To curl attachment up. pull down. move right control forward and left control back. move to neutral position. push.20 SK500 Operator’s Manual Description To move forward. Right track drive control 12. Item 11.Controls . To turn left. move control farther from neutral. move right control forward and left control back. move left control forward and right control back. To turn right. To go faster in either direction. move control farther from neutral position. move controls fully to ends in the directions indicated above. move to neutral. To counter-rotate in either direction. push. CMW . To move backward. Notes To turn right. To stop. To go faster in either direction. To counter-rotate in either direction. pull. To stop. move left control forward and right control back. To turn left. move controls fully to ends in the directions indicated above. Left track drive control To move forward. pull. To move backward. . . . . . .25 Check Supplies and Prepare Equipment . . . . . . 23 • Identify Hazards . . . . . . . . . . . . . . . . .SK500 Operator’s Manual Prepare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Accessories . .22 Above-Ground Jobs . . . . . . . .26 Fluid Levels . . . . . . . . .21 Prepare Chapter Contents Gather Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Connect Attachment . . . .24 Select a Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Inspect Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Apply Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 Ground-Penetrating Jobs . . . . . . . . . . . . . . . . . . . . 27 CMW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Condition and Function . . . . .23 Classify Jobsite . . 26 • • • • Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 • • • All Jobs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 • • • Inspect Jobsite . . . . . . . . . . . . . . . Prepare - 22 SK500 Operator’s Manual Gather Information Gather Information A successful job begins before you start working. The first step in planning is reviewing information already available about the job and jobsite. All Jobs Review Job Plan Review blueprints or other plans. Check for information about existing or planned structures, elevations, or proposed work that may be taking place at the same time. Arrange for Traffic Control If working near a road or other traffic area, contact local authorities about safety procedures and regulations. Plan for Emergency Services Have the telephone numbers for local emergency and medical facilities on hand. Check that you will have access to a telephone. Ground-Penetrating Jobs Notify One-Call Services Call area One-Call or similar services and have existing lines located and marked. Call any utilities in your area that do not subscribe to One-Call. Above-Ground Jobs Locate Overhead Lines Note location and height of all overhead lines in jobsite and ensure that fully lifted attachment and/or load will not touch lines. CMW SK500 Operator’s Manual Inspect Site Prepare - 23 Inspect Site Inspect jobsite before transporting equipment. Check for the following: • • • • • • changes in elevation such as hills or other open trenches obstacles such as buildings, railroad crossings, or streams signs of utilities (See “Inspect Jobsite” on page 24.) traffic access soil type and condition Identify Hazards Identify safety hazards and classify jobsite if attachment will penetrate ground. See “Classify Jobsite” on page 24. Jobsite hazards could cause death or serious injury. Use correct equipment and work methods. Use and maintain proper safety equipment. NOTICE: • • • • • • Wear personal protective equipment including hard hat, safety eye wear, and hearing protection. Do not wear jewelry or loose clothing. Notify One-Call and companies which do not subscribe to One-Call. Comply with all utility notification regulations before digging or drilling. Verify location of previously marked underground hazards. Mark jobsite clearly and keep spectators away. Remember, jobsite is classified by hazards in place -- not by line being installed. CMW Prepare - 24 SK500 Operator’s Manual Classify Jobsite Classify Jobsite Inspect Jobsite • Inspect jobsite and perimeter for evidence of underground hazards, such as: – “buried utility” notices – utility facilities without overhead lines – gas or water meters – junction boxes – drop boxes – light poles – manhole covers – sunken ground • • • • • Follow U.S. Department of Labor regulations on excavating and trenching (Part 1926, Subpart P) and other similar regulations. Contact One-Call (888-258-0808) and any utility companies which do not subscribe to One-Call. Have an experienced locating equipment operator sweep area within 20 feet (6 m) to each side of work path. Verify previously marked line and cable locations. Mark location of all buried utilities and obstructions. Classify jobsite. Select a Classification Jobsites are classified according to underground hazards present. If working . . . within 10 ft (3 m) of a buried electric line within 10 ft (3 m) of a natural gas line in sand or granite which is capable of producing crystalline silica (quartz) dust within 10 ft (3 m) of any other hazard then classify jobsite as . . . electric natural gas crystalline silica (quartz) dust other NOTICE: If you have any doubt about jobsite classification, or if jobsite might contain unmarked hazards, take steps outlined previously to identify hazards and classify jobsite before working. CMW sawing or drilling through material that might produce dust containing crystalline silica (quartz). Talk with those knowledgeable about hazards present at each site to determine which precautions should be taken or if job should be attempted. use one or both of these methods. • • Expose line by careful hand digging or soft excavation. CMW . Natural Gas Jobsite Precautions In addition to positioning equipment upwind from gas lines. Have electric company test lines before returning them to service. Crystalline Silica (Quartz) Dust Precautions Follow OSHA or other guidelines for exposure to crystalline silica when trenching. Have gas company test lines before returning them to service.25 Apply Precautions Once classified. precautions appropriate for jobsite must be taken. Have service shut down while work is in progress. • • Expose lines by careful hand digging or soft excavation. Have gas shut off while work is in progress. Electric Jobsite Precautions Use one or both of these methods.SK500 Operator’s Manual Classify Jobsite Prepare . Other Jobsite Precautions You may need to use different methods to safely avoid other underground hazards. guards. such as hard hat and safety glasses Fluid Levels • • • • fuel hydraulic fluid battery charge engine oil Condition and Function • • • • • • digging chain and teeth filters (air. mount a fire extinguisher near the power unit but away from possible points of ignition. It should meet legal and regulatory requirements.Prepare . and shields Accessories Fire Extinguisher If required. hydraulic) tracks pumps and motors hoses and valves signs. The fire extinguisher should always be classified for both oil and electric fires. CMW . oil.26 SK500 Operator’s Manual Check Supplies and Prepare Equipment Check Supplies and Prepare Equipment Supplies • • • • fuel keys lubricants personal protective equipment. 8. verify that bottoms of lock pins are visible under attachment receiver plate (shown).27 Connect Attachment IMPORTANT: Use only Ditch Witch-approved attachments. Raise lift arms while tilting back mount plate. Rotate lock pin handles toward center of mount plate to secure attachment to lift plate. IMPORTANT: Attachment should be raised enough to clear the ground. 6.eps CMW . 3. Tilt mount plate (2) forward. Start engine.eps 7. Position attachment on level surface with enough space behind it to accommodate unit. Mount plate should be tilted back fully. Ensure that lock pin handles (shown) on mount plate are turned away from center of attachment. Position mount plate in the upper lip of the receiver plate (1) on attachment. Attachments can change the stability and operating characteristics of the unit.SK500 Operator’s Manual Connect Attachment Prepare . 2 1 t05om026c. NOTICE: To ensure proper connection. 1. Turn ignition switch off and remove key. Attachment IMPORTANT: Before connecting attachment to unit. t05om027c. ensure that mount and receiver plates are free of dirt and debris.eps 4. t05om022c. 2. 5. 1. or support any raised component with a hoist.eps CMW . Fluid or air pressure could pierce skin and cause injury or death. to search for leaks. Cover connection with heavy cloth and loosen connector nut slightly to relieve residual pressure. Before disconnecting a hydraulic line. Lower. 1 2 t05om023c. check that all connections are tight and all lines are undamaged. Wear gloves when connecting and disconnecting hydraulic hoses and wait until unit has cooled before touching hydraulic components. 2. Stay away. Before using system. Fluid leaks can be hard to detect. Remove dirt and debris from hydraulic couplers. block. Wear protective clothing. including gloves and eye protection.28 SK500 Operator’s Manual Connect Attachment Hydraulic Hoses If attachment requires hydraulic power for operation.Prepare . • • • • Hot parts may cause burns. If you are injured. Connect female coupler on attachment to male coupler (1) on unit. turn engine off and operate all controls to relieve pressure. 4. Cycle attachment drive control to relieve residual pressure at hydraulic couplers. rather than hands. 5. Do not touch until cool. hoses and fluid may be hot. 3. NOTICE: • • Escaping pressurized fluid can cause injury or pierce skin and poison. Ensure that connections are secure by pulling on hoses. connect hydraulic hoses. NOTICE: Hydraulic couplers. Use a piece of cardboard or wood. Catch all fluid in a container. Connect male coupler on attachment to female coupler (2) on unit. seek immediate medical attention from a doctor familiar with this type of injury. . . . . . . . . . . . . . . . . .29 Drive Chapter Contents Start Unit . . . . . . . . . . . . . . . . .SK500 Operator’s Manual Drive . . . . . . . . . . . . . . . . . . 31 CMW . . . . . . . . . . . . . . . . . . . 30 Shut Down . . . . . . . . . . 30 Drive . . . . . . . . . . . . . . . . . . . . . . . Most Ditch Witch-approved attachments make the front of the unit the heavy end. 2. Slope Operation Guidelines NOTICE: Keep attachment/load low when operating on a slope. Weight distribution changes based on attachments and load. stopping. • • CMW . 3. Do not park unit on slope without lowering attachment to the ground and turning ignition switch to STOP. keep the heavy end of the unit uphill.30 SK500 Operator’s Manual Start Unit Start Unit 1. If necessary. Push in choke after engine is warm. 2. See page 20. Drive slowly and cautiously at all times. Turn ignition switch to start position and release when engine starts. • Operate up and down slopes with heavy end of unit uphill. 4. If you must turn. Move both track drive controls to forward or reverse. Pull lift arm control to raise mount plate (and attachment) off ground. Move throttle to half open. Adjust throttle as needed. EMERGENCY SHUTDOWN: Turn ignition switch to STOP. an empty bucket makes the rear of the unit the heavy end while a full bucket makes the front of the unit the heavy end. Drive General Operation 1.Drive . Avoid starting. or turning on slopes. For example. choke cold engine. Ensure all controls are in neutral. 5. 3. Run engine at low idle for three minutes to cool. Move track drive controls to neutral position. Turn ignition switch to STOP.31 Shut Down 1. NOTICE: • • Unit should not be parked on a slope unless chocked or blocked.SK500 Operator’s Manual Shut Down Drive . Turn ignition switch to STOP to engage parking brake. 2. 4. Remove key. 3. CMW . Drive .32 SK500 Operator’s Manual Shut Down CMW . . . . . . . . . . . . . . . . . . . .38 Tow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 Haul . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 Transport Chapter Contents Lift . . . . . . . .38 Unhitch Trailer . . . . . . . . . . . . . . . . . 34 • • Points . . . . . . . . .34 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 CMW .36 Tie Down . . . . . . . . . . . . . . . . . . . . . . .35 Load . . . . . . . . . . . . . . . .35 Hitch Trailer . . . . . . . . . . . . . . . . .SK500 Operator’s Manual Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 Unload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 • • • • • • Inspect Trailer . . . . . . . . . Attach securely to cross members. Use four lift points. Lifting at other points is unsafe and can damage machinery. Points Lifting points are identified by lifting decals.Transport . Procedure Use a hoist capable of supporting the equipment's size and weight.eps CMW . t05om002c. Use proper procedures and equipment or stay away.34 SK500 Operator’s Manual Lift Lift Crushing weight. If load falls or moves it could kill or crush you. See page 65 or measure and weigh equipment before lifting. Connect safety chains to tow vehicle chain keepers (cross-shaped slots on bumper of tow vehicle). Inspect lights for cleanliness and correct operation. Hitch Trailer 1. if installed. Lubricate if needed. If equipped. 3. IMPORTANT: Do not connect safety chains to pintle hook or hitch ball. Inspect Trailer • • • • • • Check hitch for wear and cracks. Check lug nut torque with a torque wrench. 5. ensure trailer brakes are adjusted to come on in synchronization with tow vehicle brakes. CMW . 6. 2. see the trailer manufacturer’s manual.SK500 Operator’s Manual Haul Transport . connect breakaway switch cable to tow vehicle. Check ramps and trailer bed for cracks. adjust drawbar. If equipped.35 Haul IMPORTANT: For complete information. Set parking brake. If equipped. Check tire pressure. If equipped. Back tow vehicle to trailer. Check battery for 12V charge. 4. Attach left chain to right side of tow vehicle and vice versa to cradle hitch. Inspect reflectors and replace if needed. plug trailer electrical connector into tow vehicle connector. Put manual transmission into first or reverse gear or automatic transmission into park. 7. Remove wheel blocks. 8. use jack crank to raise jack base and stow. If needed. Turn off ignition. lunette or coupler height to level load. Adjust if needed. lunette or coupler to tow vehicle hitch and lock in place with lock pin. IMPORTANT: Do not connect breakaway switch cable to pintle hook or hitch ball. Connect trailer drawbar. but keep it low. Pull lift arm control to raise mount plate (and attachment) clear of trailer. Use proper procedures and equipment or stay away. NOTICE: If loading onto tilt-bed trailer. 7. 3. Push lift arm control to lower mount plate (and attachment) to trailer bed. Start engine. Tie down unit. 8. t05om029c. NOTICE: • • • • Load and unload trailer on level ground. If load falls or moves it could kill or crush you. Move unit to rear of trailer and align with ramps. 6. be prepared for trailer to tilt. Close fuel shutoff valve (shown). 9.36 SK500 Operator’s Manual Haul Load Crushing weight. 1. Ten to fifteen percent of total vehicle weight (equipment plus trailer) must be on tongue to help prevent trailer sway. Turn ignition switch off. Move both track drive controls forward and slowly move unit onto trailer until tiedown position is reached.eps CMW . Incorrect loading can cause trailer swaying. 4.Transport . Attach trailer to vehicle before loading or unloading. 5. Slow engine to low throttle. 2. Securing to truck or trailer at other points is unsafe and can damage machinery. t05om004c.37 Tie Down Points Tiedown points are identified by tiedown decals.eps CMW .SK500 Operator’s Manual Haul Transport . Make sure tiedowns are tight before transporting. Procedure Loop tiedowns around unit at tiedown points. CMW . Block trailer wheels. 3. Open fuel shutoff valve (shown). 4. 1. Pull lift arm control to raise mount plate (and attachment) off ground. t05om029c. Turn off ignition. 2. 3. 5. Stop tow vehicle and trailer on level ground. Slow engine to low throttle and slowly back unit down trailer or ramps. be prepared for trailer to tilt. Attach trailer to vehicle before loading or unloading.Transport .38 SK500 Operator’s Manual Haul Unload Crushing weight.eps Unhitch Trailer 1. 4. Start engine. NOTICE: If unloading from tilt-bed trailer. Remove tiedowns. Set parking brake. If load falls or moves it could kill or crush you. 2. NOTICE: • • Load and unload trailer on level ground. Put manual transmission into first or reverse gear or automatic transmission into park. Lower trailer or ramps. 6. Use proper procedures and equipment or stay away. Reverse “Hitch Trailer” steps on page 35 to unhitch trailer from tow vehicle. but keep it low. SK500 Operator’s Manual Tow Transport . 1 2 t05om028c. 4. IMPORTANT: Open bypass valves in both front and rear pumps.6 km/h) do not tow for more than 100 ft (30 m) use no more than 1. Drive in pin (2) in until sprocket teeth clear it. If unit breaks down and towing is necessary: t05om004c. Rotate spring up and allow it to move through vertical slot.300 lb (5800 N) of towing force disengage brakes and open bypass valve Prepare Unit for Towing 1.39 Tow Under normal conditions. 3.eps • • • • • attach chains to tow points facing towing vehicle tow for short distances at less than 1 mph (1. Insert pry bar between end of spring (1) and frame. Unscrew bypass valve pins (shown) 3 turns. 2. 6. Repeat process on other side. Block tracks. unit should not be towed. CMW .eps 5. 2. Remove rear access panel. Screw in bypass valve pins and torque to 12. Install rear access panel. IMPORTANT: Close bypass valve in both front and rear pumps.5 ft•lb (17 N•m). 3 3 A B 1 t05om031c. 4. “B” represents wide track configuration. Stretch springs and install brake pin bolts in the same holes they were removed from. CMW . Attach end of both springs (1) through hole in each side of frame. 5. Remove brake pin bolts (3). 7.40 SK500 Operator’s Manual Tow Return Unit to Normal Operation 1. 3.eps 2 IMPORTANT: Note which holes brake pin bolts are installed in for proper reinstallation. 6.Transport . “A” represents narrow track configuration. Push out pins (2) on tracks. . . . . . . . . . . 42 Stow Tools . . . . . . . . . . . . . . . . . . . . . .41 Complete the Job Chapter Contents Rinse Equipment . . . . . . . . . .SK500 Operator’s Manual Complete the Job . . . . . . . . . 42 Disconnect Attachment . . . . . . . . . . 42 CMW . . . . . . . . . . . . . . . . . . . Cycle attachment drive control and disconnect hydraulic hoses. Remove mud from track sprockets. Disengage lock pins by turning handles away from center of attachment. Tilt mount plate forward and back unit away from attachment. 5.42 SK500 Operator’s Manual Rinse Equipment Rinse Equipment 1. 4. Disconnect Attachment 1. Turn off engine. if used. Lower attachment to the ground. Start engine. 2. Stow Tools Make sure all tools and accessories are loaded on trailer. 3. Open hood and remove debris from inside of unit. Electrical components could be damaged. Spray water onto equipment to remove dirt and mud. 6. NOTICE: Do not spray water onto operator’s console. 3. 2.Complete the Job . CMW . Wipe down instead. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 10 Hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 20 Hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 200 Hour . . . . . 63 CMW . . . . . . . . . . . . . . . . . . . . . . . . . 54 100 Hour . . . . . . . . . . . . . . . . . 46 Oil Temperature Chart . . . . . . . . . . . 60 500 Hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Recommended Lubricants/Service Key . . . . . . . . . .SK500 Operator’s Manual Service . . . . .43 Service Chapter Contents Precautions . . . . . . . . . . . . . . . . . . 59 300 Hour . . . . . . . . . . 52 50 Hour . . . . . 57 250 Hour . . . . . . Service . lower unstowed attachments to ground. NOTICE: Support both lift arms before working under raised lift arms. Working Under Raised Lift Arms Crushing weight could cause death or serious injury. injury.eps CMW . Learn to use equipment correctly. Use proper procedures and equipment or stay away. NOTICES: • • • Unless otherwise instructed. Refer to engine manufacturer’s manual for engine maintenance instructions. t05om020c. Use safety supports as indicated when working under raised lift arms.44 SK500 Operator’s Manual Precautions Precautions Incorrect procedures could result in death. Before servicing equipment. all service should be performed with engine off. or property damage. SK500 Operator’s Manual Overview Service .45 Overview 500 h 250 h 100 h 50 h 20h 10h t05om006c.eps CMW . Use the “Service Record” on page 73 to record all required service to your machine. service or test THF Proper lubrication and maintenance protects Ditch Witch equipment from damage and failure. Diesel engine oil meeting API service classification CF-4 or E1-96 and SAE viscosity recommended by engine manufacturer (SAE 15W40) Tractor hydraulic fluid. and approved lubricants to maintain warranty. replace. Fill to capacities listed in “Fluid Capacities” on page 67. similar to Phillips 66 HG. Use only recommended lubricants. NOTICE: • • Use only genuine Ditch Witch parts. In extreme conditions. CMW . or equivalent Check level of fluid or lubricant Check condition Filter Change.30 TEMP -20 0 20 40 60 80 100 F t05om024c. Engine Oil Temperature Chart SAE Viscosity Grades SAE 30 10W. adjust. filters.eps -30 -20 -10 0 10 20 30 40 C AMBIENT TEMPERATURE Temperature range anticipated before next oil change For more information on engine lubrication and maintenance.Service .30 5W. service machine more frequently.46 SK500 Operator’s Manual Recommended Lubricants/Service Key Recommended Lubricants/Service Key Item GEO DEO Description Gasoline engine oil meeting current API service classifications and SAE viscosity recommended by engine manufacturer (SAE 10W30) IMPORTANT: DEO can be used in Honda engines to lessen foaming. Chevron Tractor Hydraulic Fluid. Texaco TDH Oil. see your engine manual. Service intervals listed are for minimum requirements. Mobilfluid 423. Check with unit on level surface and at least 15 minutes after stopping engine. CMW . add GEO* at fill (1). If low.SK500 Operator’s Manual 10 Hour Service .eps Check engine oil level at dipstick (2) every 10 hours.47 10 Hour Location Traction Unit Task Check engine oil level Check hydraulic fluid level Check hydraulic hoses Check air filter Check track tension Notes GEO* THF Traction Unit Check Engine Oil Level Honda 1 2 t05om009c. IMPORTANT: DEO can be used in Honda engines to lessen foaming. 48 SK500 Operator’s Manual 10 Hour Kohler Check engine oil level at dipstick (1) every 10 hours. CMW . If low.Service . Check with unit on level surface and at least 15 minutes after stopping engine. add THF at fill (1). Maintain fluid level at halfway point on sight glass (2).eps Check hydraulic fluid level every 10 hours. add GEO at fill (2). If low. when engine is off and fluid is cool. Check Hydraulic Fluid Level 1 2 t05om010c. Fluid leaks can be hard to detect. • • • • CMW . seek immediate medical attention from a doctor familiar with this type of injury. Before using system. or support any raised component with a hoist. rather than hands. turn engine off and operate all controls to relieve pressure. NOTICE: • • Escaping pressurized fluid can cause injury or pierce skin and poison. to search for leaks. Use a piece of cardboard or wood. Before disconnecting a hydraulic line.eps Check hydraulic hoses for leaks every 10 hours. check that all connections are tight and all lines are undamaged. Catch all fluid in a container. Lower. Stay away. Cover connection with heavy cloth and loosen connector nut slightly to relieve residual pressure.SK500 Operator’s Manual 10 Hour Check Hydraulic Hoses Service . including gloves and eye protection. Fluid or air pressure could pierce skin and cause injury or death.49 t05om007c. block. Wear protective clothing. If you are injured. 4. Remove and inspect foam (2) and paper (3) filter elements.eps Check air filter every 10 hours.50 SK500 Operator’s Manual 10 Hour Check Air Filter Honda 1 2 3 4 t05om011c. IMPORTANT: Ensure that seal lip (4) is not folded over.Service . Wipe dirt from insides of air cleaner cover and body with a moist rag. 5. See “Clean Air Filter” on page 54. CMW . 2. Install cover and latch tabs securely. Remove air cleaner cover (1). 1. Install both elements into air cleaner case. Clean or replace elements if they are dirty or damaged. 6. 3. 4. Replace as needed.SK500 Operator’s Manual 10 Hour Kohler Service . 5. Turn bolt (1) clockwise to tighten and counterclockwise to loosen. Track tension is correct when dimension A is 10” (254 mm). Open air filter housing at latches (1). 2. Close air filter case.51 Check air filter every 10 hours. 3.eps Check track tension every 10 hours and adjust as needed. Insert primary and secondary elements. CMW . Remove and inspect primary (2) and secondary (3) elements. Check Track Tension 1 A t05om008c. 1. Wipe inside of housing and wash end cup. 1 L) of GEO* at fill (2). IMPORTANT: • • Use oil specified in “Engine Oil Temperature Chart” on page 46.eps t05om013c.52 SK500 Operator’s Manual 20 Hour 20 Hour Location Traction Unit Task Change engine oil Notes Initial service. GEO* Traction Unit Change Engine Oil (Initial) Honda 1 2 t05om012c. Drain oil (1) and add 1. CMW .Service . DEO can be used in Honda engines to lessen foaming.2 qt (1.eps Change engine oil after 20 hours. 1 qt (2 L) of GEO at fill (1). Drain oil (2) and add 2. IMPORTANT: Use oil specified in “Engine Oil Temperature Chart” on page 46.53 Change engine oil after 20 hours.SK500 Operator’s Manual 20 Hour Kohler Service . CMW . See page 50.eps Check battery every 50 hours. 1. and paper filter element (3). 2.eps Clean air filter every 50 hours. Check Battery t05om019c.Service . CMW . Clean foam element in warm. foam filter element (2). soapy water and allow to dry thoroughly. Clean air cleaner cover and body and install both elements into air cleaner case.54 SK500 Operator’s Manual 50 Hour 50 Hour Location Traction Unit Task Clean air filter Check battery Notes Traction Unit Clean Air Filter Honda only 1 2 3 4 t05om017c. See page 50. Keep battery clean and free of corrosion. • • Clean paper element by tapping several times on hard surface or blowing compressed air through element from the bottom. Remove air filter cover (1). IMPORTANT: • • Use oil specified in “Engine Oil Temperature Chart” on page 46. CMW . Drain oil (1) and add 1.55 100 Hour Location Traction Unit Task Change engine oil Notes GEO* Traction Unit Change Engine Oil Honda 1 2 t05om012c.eps Change engine oil every 100 hours. DEO can be used in Honda engines to lessen foaming.2 qt (1.SK500 Operator’s Manual 100 Hour Service .1 L) of GEO* at fill (2).eps t05om013c. Service . IMPORTANT: Use oil specified in “Engine Oil Temperature Chart” on page 46.1 qt (2 L) of GEO at fill (1).56 SK500 Operator’s Manual 100 Hour Kohler Change engine oil every 100 hours. Drain oil (2) and add 2. CMW . DEO can be used in Honda engines to lessen foaming. change filter (shown) and add 1.4 L) of GEO* at fill.eps Change engine oil filter every 200 hours. Drain oil. CMW . See page 52.5 qt (1.SK500 Operator’s Manual 200 Hour Service . IMPORTANT: • • Use oil specified in “Engine Oil Temperature Chart” on page 46.57 200 Hour Location Traction Unit Task Change engine oil filter Notes Traction Unit Change Engine Oil Filter Honda t05om014c. Drain oil.Service .1 qt (2 L) of GEO at fill.58 SK500 Operator’s Manual 200 Hour Kohler Change engine oil filter every 200 hours. change filter (shown) and add 2. IMPORTANT: Use oil specified in “Engine Oil Temperature Chart” on page 46. See page 52. CMW . eps Change hydraulic fluid filter every 250 hours.59 250 Hour Location Traction Unit Task Change hydraulic fluid filter Notes Traction Unit Change Hydraulic Fluid Filter t05om015c.SK500 Operator’s Manual 250 Hour Service . CMW . eps Change fuel filter every 300 hours. 2.60 SK500 Operator’s Manual 300 Hour 300 Hour Location Traction Unit Task Change fuel filter Change air filter Notes Traction Unit Change Fuel Filter Honda t05om016c. If you refuel from cans. CMW .Service . replace filter more often. See parts manual or contact your Ditch Witch dealer for correct replacement filter. Install new filter. Kohler Change inline fuel filter every 300 hours. Remove filter. See parts manual or contact your Ditch Witch dealer for correct replacement filter. 1. Change more often in dusty conditions. 5. Remove foam (2) and paper (3) filter elements. Wipe dirt from insides of air cleaner cover and body with a moist rag. 2. 4. CMW .61 1 2 3 4 t05om017c. 3. Install both elements into air cleaner case. IMPORTANT: Ensure that seal lip (4) is not folded over. Install cover and latch tabs securely.eps Change air filter every 300 hours. Remove air cleaner cover (1). Replace both elements. 1.SK500 Operator’s Manual 300 Hour Change Air Filter Honda Service . Remove primary (2) and secondary (3) elements. Open air filter housing at latches (1). Close air filter case. Insert new primary and secondary elements. 5. 2. CMW . Wipe inside of housing and wash end cup.Service . 3. 1.62 SK500 Operator’s Manual 300 Hour Kohler Change air filter every 300 hours. 4. 63 500 Hour Location Traction Unit Task Change hydraulic fluid Notes THF Traction Unit Change Hydraulic Fluid 1 3 2 t05om018c. CMW .eps Change hydraulic fluid every 500 hours.SK500 Operator’s Manual 500 Hour Service . Drain fluid at plug (2) and add THF at fill (1) until fluid level is at halfway point on sight glass (3). 64 SK500 Operator’s Manual 500 Hour CMW .Service . 1 m 165 mm 658 kg 227 kg 329 kg 30° 1.eps L2 U. 42.5 in 2270 lb 81.1 m Dimensions H L Overall height Overall length Weight H2 L2 W Hinge pin height.1 in 40 in 36 in 42 in 6.5 in 72.SK500 Operator’s Manual Basic Unit Specifications .5 in 1450 lb 500 lb 725 lb 30° 42 in Metric 1. max Ground clearance Tipping capacity Rated operating capacity (@ 35% of tipping capacity) Capacity @ 50% of tipping capacity A2 Angle of departure Swing radius CMW .1 m 1m 914 mm 1. max Wheelbase/track length Track width.S.65 Specifications Basic Unit W L H2 H A2 t05om003c.1 m 1.8 m 1030 kg 2. min Track width. 3 bar 0.3 mph 4. 3.Specifications .2 bar Hydraulic System Auxiliary: double gear pump Flow rate (pump 1) Flow rate (pump 2) Pressure Ground drive: dual hydrostat Flow rate Pressure U.3 psi Metric 5.8 in 24 hp 3600 rpm 1700 rpm 670 cm3 76 mm 71 mm 18 kW 3600 rpm 1700 rpm CMW . forward Ground drive speed.5 gpm 2500 psi 47 L/min 172 bar Power .Honda Engine Engine: Honda GX670. Metric air 2 40.S.9 in3 3 in 2. Metric 4 gpm 8 gpm 2500 psi 15 L/min 30 L/min 172 bar 12. gasoline Cooling medium Number of cylinders Displacement Bore Stroke Installed net power per SAE J1349 (@ 3600 rpm) Maximum governed speed (no load) Idle speed U.S.S. 7-in tracks Ground pressure.7 km/h 0.3 psi 3.6 mph 2.8 km/h 3. reverse Ground pressure. 9-in tracks U.66 SK500 Operator’s Manual Basic Unit Performance Ground drive speed. Specifications .4 L 2L 21 L CMW .1 kW 3750 rpm 1200 rpm Fluid Capacities Fuel tank Engine oil.S.67 Metric 625 cm3 88 mm 67 mm 20.5 qt 2.Kohler Engine Engine: Kohler CH740S.5 gal 1. with filter Honda Kohler Hydraulic reservoir U. 6 gal Metric 23 L 1.6 in 27 hp 3750 rpm 1200 rpm U.SK500 Operator’s Manual Basic Unit Power .3 in 2. gasoline Cooling medium Number of cylinders Displacement Bore Stroke Installed net power per SAE J1349 (@ 3600 rpm) Maximum governed speed (no load) Idle speed air 2 44 in3 3.S.1 qt 5. equipment should be weighed and measured. delivered equipment may not necessarily match that shown.Specifications . If exact measurements are required. Due to selected options. CMW . SAE cold crank @ 0°F (-18°C) 675 amp. Specifications are general and subject to change without notice. 12V electrical system Noise Levels .9 m/sec2 Specifications are called out according to SAE recommended practices.Kohler Engine Operator 86 dBA sound pressure per ISO 6394 Exterior 103 dBA sound power per ISO 6393 Vibration Level Vibration at the operator’s hand during normal operation is 4.68 SK500 Operator’s Manual Basic Unit Battery SAE reserve capacity 180 min.Honda Engine Operator 86 dBA sound pressure per ISO 6394 Exterior 101 dBA sound power per ISO 6393 Noise Levels . This information should be recorded and placed on file by the owner at the time of purchase. Resources Publications Contact your Ditch Witch dealer for publications and videos covering safety. serial number. operation. Return damaged parts to dealer for inspection and warranty consideration if in warranty time frame. Always give model. Order genuine Ditch Witch replacement or repair parts from your authorized Ditch Witch dealer. and approximate date of your equipment purchase. contact your Ditch Witch dealer. and repair of your equipment. service. CMW . Use of another manufacturer's parts may void warranty consideration. individualized training.69 Support Procedure Notify your dealer immediately of any malfunction or failure of Ditch Witch equipment.SK500 Operator’s Manual Procedure Support . Ditch Witch Training For information about on-site. (CMW) that fail due to a defect in material or workmanship within one (1) year of first commercial use (Exception: 2 years for all SK500 attachments). Therefore. This limited warranty gives product owner specific legal rights and the product owner may also have other rights which vary from state to state. products should be operated under anticipated working conditions prior to purchase. IF THE PRODUCTS ARE PURCHASED FOR COMMERCIAL PURPOSES AS DEFINED BY THE UNIFORM COMMERCIAL CODE. digging chains. THEN THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE FACE HEREOF AND THERE ARE NO IMPLIED WARRANTIES OF ANY KIND WHICH EXTEND TO A COMMERCIAL BUYER. or uses other than those for which products were intended. Extended warranties are available upon request from your local Ditch Witch dealer or CMW. including any warranty of fitness for a particular purpose and merchantability. Free labor will be provided at any authorized Ditch Witch dealership for installation of parts under this warranty during the first year following initial commercial use of the serial-numbered Ditch Witch equipment on which it is installed. contact CMW’s Product Support department. so above limitation of exclusion may not apply. All implied warranties not expressly stated herein. ALL OTHER PROVISIONS OF THIS LIMITED WARRANTY APPLY INCLUDING THE DUTIES IMPOSED. CMW will provide the location of its inspection facilities or its nearest authorized dealer upon inquiry. First version: 1/91. backhoe buckets. damages. All defects. Inc. Defects will be determined by an inspection within thirty (30) days of the date of failure of the product or part by CMW or its authorized dealer. sprockets. and swivels. but not limited to. All engines and engine accessories (these are covered by original manufacturer’s warranty). belts. so the above limitation may not apply. some states do not allow exclusion of or limitation of how long an implied warranty lasts. All defects. This does not imply they will deliver acceptable performance in all conditions. Some states do not allow exclusion or limitation of incidental or consequential damages. OK 73077-0066.Warranty . or injuries caused by improper training. P. Box 66. drill bits. or injuries caused by misuse. Latest version: 1/03 CMW . All incidental or consequential damages. Ditch Witch products have been tested to deliver acceptable performance in most conditions. drill pipe. operation. or servicing of products in a manner inconsistent with manufacturer’s recommendations. Perry. CMW reserves the right to supply remanufactured replacements parts under this warranty as it deems appropriate.70 SK500 Operator’s Manual Warranty Ditch Witch Equipment and Parts Limited Warranty Policy Subject to the limitations and exclusions herein. alteration. For information regarding this limited warranty. and other parts which may be subject to another manufacturer’s warranty (such warranty will be available to purchaser). Tires. damages. backreamers. digging teeth. neglect. improper installation. plow blades. Exclusions from Product Warranty • • • • • • • Wear-related failure of parts subject to ground contact including. or contact your local Ditch Witch dealer.O. Further. abuse. to assure suitability. free replacement parts will be provided at any authorized Ditch Witch dealership for any Ditch Witch equipment or parts manufactured by The Charles Machine Works. . . SK500 Operator’s Manual Service Record .73 Service Record Service Performed Date Hours CMW . Service Record .74 SK500 Operator’s Manual Date Hours Service Performed CMW .