160FACTORY SERVICE MANUAL MODEL 160 - Pellgun Rifle, Single Shot 22 Cal., C02 Bolt Action (1955) This manual is intended primarily as an informational guide in servicing Crosman products. It is not intended as instructional material and we therefore assume no responsibility for those who use same without proper factory training Crosman Arms Co., Inc., Fairport, N.Y. 14450 Crosman Arms (Canada) Ltd., Dunnville, Ont. . 45 .10 . 160-50 160-58 160-62 160-65 160-76 160-78 160-79 160-80 160-81 160-82 167-2 167-62 99-41 99-54 105-45 111-26 130-29 130-33 140-25 140-27 140-28 140-34 140-39 140-45 140-47 140-54 140-62 140-94 PART NAME Stock Filter Breech Bolt & "0" Ring Ass'y Valve Stem Ass'y Sight Mount Screws (2) Rear Sight • Peep Piercing Body Peep Disc Valve Ass'y Front Sight Barrel .10 .05 .55 .177 Cal.10 .20 .10 1.00 7.75 .45 .10 PART NO.20 2.10 1.10 .05 .PRICES EFFECTIVE 10/1/68 PART NO.25 .25 .10 .20 .40 .PARTS LIST AND ASSEMBLIES FOR MODEL 160 . 140-95 150-54 150-73 150-74 150-75 180-22 180-67 180-74 600-73 1400-8 PART NAME Casing Lock Washer (2) "0" Ring Screen Washer Spacer Strap Screw Strap & Screw Ass'y Butt Plate Tube Cap Ass'y Plate Screw (2) PRICE $ .10 .50 .10 .10 Old Style Stocks Unavailable KEEP PRICE LIST CURRENT .30 .40 .50 1.40 .00 2.50 6.50 1.177 Cal.10 .20 .20 .55 1.10 .70 6.10 .20 .15 .10 1.MAKE ADDITIONS OR CORRECTIONS ON REVERSE SIDE .50 .35 1.10 160-5 160-12 160-18 160-19 160-20 160-21 160-22 160-23 160-28 160-29 160-30 160-67 111-30 PARTS FOR SEARS MODEL 1910 & OLD STYLE CROSMAN 160 Hammer Safety Trigger Guard Trigger Rear Sight Rear Sight Elevator Front Sight Tube Plug Front Sight Screw Rear Sight Screw Trigger Guard Screw Trigger & Bracket Ass'y Trigger Spring $1.20 .25 5.75 .75 .50 3.55 .45 .10 1.10 . 160-1 160-2 160-4 160-6 160-7 160-8 160-9A 160-10 160-11A 160-13 160-14 160-15 160-17 160-23A 160-26 160-31 160-32 160-33 160-34 160-35 160-36 160-37 160-39 160-40 160-43 160-44 160-46 160-47 PART NAME Tube Barrel Breech Cocking Block Inside Plug Breech Plug Rear Screw Locating Screw Strap Hammer Spring Bolt Knob Hammer Pin Piercing Pin Tube Plug Valve Set Screw Sear Spring Hold Down Screw Barrel Set Screw Sear Nub Pin (2) Breech Bolt Set Screw Cocking Pin Lock Washer Sear Creep Screw (2) Exhaust Valve Body Hammer Trigger Trigger Casing Ass'y PRICE $ 5. Front Sight Screw Butt Plate Screw Creep Screw Lock Spring Check Valve Spring Breech Gasket "0" Ring Pivot Pin (3) Safety Spring Trigger Spring Safety Rod Weight Screw Trigger Casing Plain Washer Safety Ass'y Casing Screw Front Locating Screw Nut PRICE $14.45 .95 PART NO.20 .20 .15 .20 1.10 .30 .10 12.95 .10 . Breech Bolt Ass'y .65 .40 .10 .10 .00 1.65 .95 1.00 .05 1.10 .10 3.20 .10 .40 7. DESCRIPTION LIST PRICE .PARTS LIST and assemblies for: MODEL 160 (Prices effective: 10/1/68) CORRECTIONS and ADDITIONS: PART NO. DESCRIPTION LIST PRICE PART NO. washer 150-74. Assembly is in reverse of disassembly but careful note must be made of "caution" procedures through out this manual in order that you do not encounter problems after complete reassembly. b. unscrew piercing body assembly -79. Exhaust remaining C0 2 . Factory engagement adjustment is approximately 1/16". Refer to Figure I for correct location of these parts. they should be checked for damage and unnecessary wear. 8. 3. Sear -39 and Trigger -46 engagement area worn or damaged. Hold muzzle end down and allow piercing Body Assembly and valve stem assembly -65 to slide out. Although repairs are seldom necessary to the Filter -58. B. Tube Group. . If valve seat needs to be reseated our valve refacing tool T-8 should be used. TROUBLE SHOOTING: WILL NOT COCK: a. After removing stem. Many short cuts from factory experience have been written into these instructions and in many cases complete tear-down may not be necessary. While looking through hole in trigger casing where sear and trigger mechanism meet. 7. D. d. This tool holds a soft rubber abrasive grinding stone. Spring 111-26 or Piercing Pin -17 a l l located inside Piercing Body -79. Replace valve stem assembly -65 if the seal is scratched or dented. To correct refer to Trigger Adjustment instructions below. the stone will ride on bottom of valve. b. Study the drawing in this manual as you read the disassembly and assembly procedures and prior to disassembling the first time. lightly polish the seal with a folded piece of emery cloth #280. 6. Then look down into valve body to check for dents and chips on seat. Blow out grinding chips. turn upper Creep Screw -40 for desired engagement and lower Creep Screw -40 for overtravel. E. Remove tube cap and empty powerlets. 4. TRIGGER ADJUSTMENT: a. The stone should be filed to prevent this. Remove Stock -50. Replace "0" ring 150-54 and apply Pellgun Oil. c. If a new replacement is unavailable. 2. Read it carefully. If an electric drill is used. these defects can be removed in some cases by chucking the stem in a d r i l l press and while spinning. Trigger mechanism dirty and gummed by old dried lubricants. Although each group contains its own assembly instructions. Instructions are defined in assembly groups such as Sight Group. Broken or incorrectly installed sear spring -31. etc. When the ring groove is too deep. Screen 150-73. General operating instructions for this model are contained in the "Owner's Manual" which is attached to each product when packaged. Spacer 15075. the disassembly instructions in each group are a continuation of the disassembly instructions in the previous group. 2. Sear Adjustment screws -40 set too close preventing sear engagement. Just proceed as follows: 1. Leaking from muzzle end of barrel when Breech is closed indicates a defective Valve Stem -65 and/or valve seat (located in Exhaust Valve body -43). check for dents or scratches on rubber washer.MODEL 160 I. NOTE: A deep ring groove w i l l form on grinder end of stone. 5. Turn weight screw -39 for desired trigger pressure. This should be done with casing assembled and on gun. This necessitates removal of these parts for servicing. care should be taken not to press too hard for this will grind out entire valve seat. c. DETECTING AND ELIMINATING GAS LEAKS: a. This is placed in the valve opening and turned back and forth by hand until dents are removed from valve seat. C. 1. GENERAL INFORMATION A. Using a T-9 valve body disassembly tool. 3. However it is not necessary to remove the entire Valve Assembly -81. Leak at tube cap 600-73 area. b. Clean and apply fresh Crosman Pellgun oil. 5. Defective "0" Ring 130-33 on Breech Bolt. 4. RESIDUAL GAS REMOVAL: a. BREECH BOLT JUMPS BACK WHEN GUN IS FIRED: a. Return gun to horizontal position. Defective Breech Bolt "0" ring 130-33. and gently allow the valve stem to slide down the tube. With gun in horizontal position. Hammer Spring -13 too long causing the valve stem to remain open resulting in a hissing sound when gun is fired. With right hand work Breech Bolt Knob back and forth with a short quick motion. Damaged or worn "0" ring 150-54 located on Valve Assembly -81. d. Alternate Method: 1. LOW POWER: a. Use of excessive or wrong lubricating oil on seals causing deterioration. Defective Breech -4. Unlock breech bolt. de-burr where necessary and roll new "0" ring over Breech Bolt. Push safety lever forward to "Fire" position. c. B. However if the "0" ring is just loose which can cause a leak. insert Piercing Body assembly -79 and push gently into the tube with the T-9 tool or screwdriver. c. Replace by following instructions in Breech and Barrel Group F. Shooting when sufficient gas is not available to drive pellet out. b. II. Same as (b) & (c) above. Hold Rifle in left hand. Entire Valve assembly must be removed by complete gun disassembly. Insert Valve Stem assembly -65 and Piercing Body assembly -79 back into the tube as follows: CAUTION: Do not drop Valve Stem into tube as it may damage the Valve Seat. tilt.MODEL 160 I. e. DISASSEMBLY AND ASSEMBLY: A. . a damaged Breech Gasket 130-29 is indicated. tighten the Piercing Body -79 with T-9 tool or screw-driver. 4. Replace. h. Failure to back off tube cap 600-73 after putting in fresh powerlet as instructed in Owners Manual. b. Defective Breech Gasket 130-29. g. d. Remove Safety Assembly 140-54 by turning to "Safe" and pulling assembly out of Trigger Housing. STOCK GROUP: 1. Use Crosman Silicone Pellgun Oil only. f. 2. Then put gun in Vertical position and jiggle until valve stem seats in Exhaust Valve -43. b. 6. Remove tube cap assembly 600-73 and empty powerlets. squeeze and hold trigger to rear. Tube cap 600-73 loose preventing powerlet from being pierced. If gas is observed coming from breech area while firing gun. c. Turn clockwise and tighten into Exhaust Valve. c. GENERAL INFORMATION: (Cont'd) 9. and re-insert into Breech. Making certain that there are no pellets in the barrel. Replace. Bolt Knob -14 loose. Inspect tube cap for damaged "0" ring 150-54. usually caused by improper installation. Correct length should be 2¼". fire r i f l e in safe direction to exhaust remaining C02 gas. b. Remove old ring. JAMMING: a. or burrs in pellet ramp or barrel chamber. Remove barrel. apply Permatex. 3. GENERAL: 1. Loose Fit where Breech and Barrel join together. Sl i d e Strap Assembly back on gun. 3. CAUTION: Short extension of Sear Spring 31 seats against Sear Nub Pins -34 under the Sear -39. Barrel Set Screw -33 (with 3/32" Allen wrench). F. TRIGGER GROUP: 1. Remove Rear Peep Sight Mount Screws -76 and Peep Sight -78. The long extension of the spring seats against pins on top of Sear. Light tapping with palm of hand on trigger guard will aid in removal of gun action and Trigger without binding. Remove Hold Down Screw -32 and Lock Washer -37. Choice of sides depend on whether left or right hand safety is desired. Refer to Trouble Shooting Section 2 for instructions. Screw 9A may be loosely reinstalled when working on Trigger Group only. Reassembly is in reverse order except for replacement of the safety assembly. Be sure that threaded end of screw is completely turned into strap just enough so that the threads do not interfere with the barrel and tube. Remove Sear 39. Remove Nut 140-94 and Washer 140-47 at bottom of Stock -50. d. E. 2. (Refer to Figure II) Remove 2 plate screws 1400-8 and Plate 140-40. Vise jaws should be protected to prevent scratching the finish. above. DISASSEMBLY AND ASSEMBLY: (Cont'd) 2. b. Disassemble Trigger Casing -47 as follows: a. Do not bind Trigger Housing by lifting on barrel. SIGHT GROUP: 1. Remove Casing Screw 140-62 and 9A and lock washers 140-95 (2) releasing Trigger Housing Assembly -47 from tube. 3. c. Loosen but do not remove strap screw 180-22 and slide Strap Assembly 180-67 off barrel and tube. just behind strap -11 clamping against both Tube and Barrel. 3. 3. Remove Stock carefully. Pins -34 assembled to Sear. Remove Barrel -2 by sl i di n g forward out of Strap 11. Repair or replace as necessary and reassemble in reverse order.MODEL 160 II. It is not necessary to remove the entire Strap Assembly 180-67 at this time but if repairs are needed refer to Strap Group E. 4. 2. Reassemble in reverse order. Remove Trigger 46 and overtravel and Sear Engagement Screws 40. 2.Reassemble Trigger Housing -47 to gun. CAUTION: If it is necessary to replace the strap screw 180-22 install in strap 11 A before s l i d i n g the assembly back on gun. 4. BREECH AND BARREL GROUP: 1. 3. Disengage Sear Spring 31 and remove. Correct positions are shown in Figure II. Remove Tube Plug -23A. e. Remove Safety Rod 140-34 and Spring 140-27. NOTE: Be careful not to lose Sear Nub Unscrew Trigger Weight screw 140-39 and remove Trigger Spring 140-28. 4. NOTE: When removing Casing Screw 9A be careful that Tube Plug 23A and Breech Plug 8 do not drop out. 5. and loosen Strap screw 180-22 three (3) turns maximum. Separate Breech Assembly from Tube Assembly. Place gun in vise upside down. Reverse gun in vise to upright position. D. . See Figure I. STRAP GROUP: 1. C. Replace necessary parts. NOTE: At this point Trigger adjustment. Remove front sight screw 99-41 (old -28) and Front Sight -82 (old -28). 2. should be made. if desired or necessary. This can be accomplished by depressing safety rod -34 (inside Trigger Casing) with a suitable tool from one side of trigger casing while inserting safety assembly -54 in other side. Locate Breech Assembly on Tube Assembly as follows: a. Remove Breech Plug 160-8. c. In order to disassemble this group the Barrel and Breech must be removed first. 4. b. NOTE: Replacement parts for the old style Valve Assembly (the one without the slot in the Piercing Body) are no longer available. Paragraph (b) sub-paragraph (8). d. Using a special Crosman Tool T-9 or wide blade center slotted (to prevent damage to Piercing Pin -17) screwdriver turn Piercing Body -79 one complete turn counter clockwise from the front of the tube. insert Breech Bolt Assembly -62 into Breech -4 with the recessed flats down. CAUTION: Do not burr screw driver slot in this screw because burrs will make it difficult to insert Barrel into Breech due to close tolerance. Tighten Breech Bolt Set Screw -35. lubricate and reassemble. Breech Bolt Knob -14. Remove Cocking Block -6. Install Hammer Pin -15 and Cocking Pin -36 as per Figure I. 8. 4. Remove Breech Gasket 130-29.MODEL 160 II. Push until valve is completely removed from tube. Locate rear flat recess on Breech Bolt over Cocking Pin -36 with slight pressure forward compressing Spring -13 and locate front flat recess on Breech Bolt over Hammer Pin -15 being careful not to dislodge Breech Gasket 130-29. Slide Barrel back into position through Strap Assembly and into Breech. Align so that Breech Bolt set screw -35 will fit into recess in If not. Be careful not to strip. G. e. Bolt Knob shaft. 5. NOTE: When replacing the plug be sure that the screw hole is forward in the tube. However. inspect all parts replacing those necessary. 6. e. AND VALVE GROUP: 1. Insert Breech Bolt Knob back into Breech Bolt Assembly. Locating Screw -10 must be removed first. Place new Breech Gasket 130-29 on tube hole. Readjust tube in vise to prevent binding of valve assembly. Remove Valve Assembly -81 as follows: If the Valve Assembly is of the old design there is no slot in the rear of the Piercing Body -79. Remove Valve Set Screw -26 from bottom of Tube -1. Reassemble as follows: a. a. Inspect all parts for damage and/or wear and replace as necessary. HAMMER. 3. Therefore it cannot be SPECIAL NOTE: removed by the method described in (a) below (with T-9 tool or screwdriver). loosen Breech Bolt Set screw -35. Replace Hold-Down Screw -32 and Washer -37. remove anyway and place aside. Tighten Barrel Set Screw -33. After replacing "0" Ring 130-33. Tighten Strap Screw 180-22. To remove old style assembly lubricate the inside of the tube and proceed as instructed in (a) (c) and (d). Using a 3/32" Allen wrench. b. . Therefore a complete new Valve Assembly -81 must be substituted. Using long 3/16" diameter ramrod apply pressure to Valve Stem -65 inside tube from the rear and tap the stem through the Inside Plug -7. (See note below) Disassemble valve. b. if this does become necessary. c. 7. Slide Breech Assembly back to align holes for Rear Screw -9A. Removal of Inner Plug -7 is not necessary. Refer to Group F. DISASSEMBLY AND ASSEMBLY: (Cont'd) NOTE: Hammer Pin -15 and Cocking Pin -36 may fall out. c. TUBE. and Breech Bolt Assembly -62. 10. 11. For information on the internal parts of Piercing Body -79 refer to Trouble Shooting Section 3. d. This will release pressure of "0" Ring 150-54 against inner tube wall. Temporarily insert rear screw -9A. 2. 9. Hammer Spring -13 and Hammer -44 from rear of Tube. e. d. Tighten Piercing Body -79 against Exhaust Valve Body -43 with the T-9 Tool or special screwdriver. Push Valve Assembly -81 into tube with the T-9 tool or special screwdriver until the Valve Stem enters the Inside Plug hole and seats properly against the plug. Insert Hammer -44. Hammer Spring -13 and Cocking Block -6 into rear of Tube -1 as illustrated in ADDITIONAL COMMENTS: (Use the following space for additional notes. square head pin toward rear. Insert Cocking Pin -36 and Hammer Pin -15 through long slots in Tube -1. Figure I. pen and ink changes and other factory revisions) . b. round head pin toward front. This w i l l expand the "0" Ring 150-54 and prevent leakage.MODEL 160 5. c. Turn the valve assembly to line up with Valve set screw hole on bottom of tube and replace the Valve set screw -26. After oiling "0" Ring 150-54 insert Valve Assembly into threaded end of Tube -1. CAUTION: Be sure not to tighten Piercing Body -79 against Exhaust Valve Body -43 as pressure w i l l expand the "0" Ring causing difficulty in sliding the Valve Assembly into the Tube. Reassemble as follows: a.