LM6000-IND-240 - Improved Forward Fan Shaft Coupling NutThis is the html version of the file ftp://190.114.243.196/EDC%20SUR%20TURBINAS/GE%20LM6000%20Manuals/Bulletin/data/lm6000-ind-240.pdf. Google automatically generates html versions of documents as we crawl the web. Page 1 CAMPAIGN GE Industrial AeroDerivative Gas Turbines SERVICE BULLETIN LM6000-IND-0240 Revision 1 June 01, 2009 GE PROPRIETARY INFORMATION The information contained in this document is GE proprietary information and is disclosed in confidence. It is the property of GE and shall not be used, disclosed to others, or reproduced without the express written consent of GE, including, but without limitation, it is not to be used in the creation, manufacture, development, or derivation of any repairs, modifications, spare parts, designs, or configuration changes or to obtain FAA or any government or regulatory approval to do so. If consent is given for reproduction in whole or in part, this notice and the notice set forth on each page of this document shall appear in any such reproduction in whole or in part. The information contained in this document may also be controlled by U.S. export control laws. Unauthorized export or re-export is prohibited. Copyright (2009) General Electric Company, U.S.A. SUBJECT: Improved Forward Fan Shaft Coupling Nut TRANSMITTAL INFORMATION LM6000-IND-0240, SERVICE BULLETIN REVISION 1 This section transmits Revision 1 to LM6000-IND-0240, dated 01 June 2009. The purpose of this revision is to revise: http://webcache.googleusercontent.com/...2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] http://webcache. Revision 1. This Service Bulletin is reissued in its entirety. in its entirety. PLANNING INFORMATION Paragraph II. are affected by this Service Bulletin.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] . Effectivity (1) PRODUCTS: LM6000 PA.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240. PB. PD.. and PF models (2) ENGINE SERIAL NUMBERS: LM6000 PA gas turbines. serial numbers 190-202 through 190-815. serial numbers 192-101 through 192-273. dated 29 January 2009. serial numbers 191-101 through 191-647. serial numbers 185-002. 2009 I. LM6000 PD gas turbines. ACCOMPLISHMENT INSTRUCTIONS Remove Service Bulletin LM6000-IND-0240. LM6000 PC gas turbines. The revision bars in the left margin indicate actual text changes.Improved Forward Fan Shaft Coupling Nut (1) (2) Paragraph I. dated 01 June 2009. and replace with Service Bulletin LM6000-IND-0240. serial numbers 192-400 through 192-408. LM6000 PF gas turbines. are affected by this Service Bulletin. LM6000 PB gas turbines. and 185-100 through 185-238. Revision bars are not used to indicate format and sequence changes. PLANNING INFORMATION A.. are affected by this Service Bulletin. are affected by this Service Bulletin. PC.googleusercontent. CAMPAIGN PAGE 1 of 15 Page 2 LM6000-IND-0240 Revision 1 June 01.com/.LM6000-IND-240 . are affected by this Service Bulletin. pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] . (3) Cause: Engines that are improperly stored or engines with extended periods of non-operation at locations with a corrosion-favorable environment (such as high humidity and/or coastal locations) are at risk of corrosion. PAGE 2 of 15 GE PROPRIETARY INFORMATION . Description This Service Bulletin provides instructions to replace the LPC coupling nut. 5 GE recommends that this Service Bulletin be accomplished at first opportunity (next http://webcache. D. This LPC coupling nut has been improved with new INCO 718 material. Page 3 LM6000-IND-0240 Revision 1 June 01. The improved LPC coupling nut will not experience the current corrosion and field cracking issue. 2009 (4) Improvement: The proposed coupling nut material. (2) Condition/Event(s): The current coupling nut material.com/.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240. MARAGE 250. is not susceptible to corrosion.. Reason (1) Objective: The purpose of this Service Bulletin is to introduce an improved forward fan shaft coupling nut (low pressure compressor (LPC) coupling nut). C.Subject to the restrictions on the cover or first page.. Compliance Category: Campaign (C) Level: Field/Depot (F/D) Timing Code: 2.googleusercontent.LM6000-IND-240 . INCO 718.Improved Forward Fan Shaft Coupling Nut B. PN L61427P01. is susceptible to stress corrosion cracking (SCC) if the engine is not operated for extended periods and recommended preservation practices are not adhered to. E. Jackscrew Quantity (1) (1) (1) (1) Ensure all tooling required by technical manual procedures referenced in ACCOMPLISHMENT INSTRUCTIONS is on hand prior to performing this Service Bulletin. Material Requirements (1) The following materials are required to accomplish this Service Bulletin: Part Number L61427P01 Nomenclature Nut.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] . Coupling. Page 4 LM6000-IND-0240 Revision 1 June 01. 2009 G..googleusercontent. Forward Fan Shaft Quantity (1) http://webcache. GE recommends that this Service Bulletin be accomplished at component part exposure for all other units. you are at heightened risk for a high cost event.LM6000-IND-240 . Tooling The following special tooling is required to accomplish this Service Bulletin: Part Number 1C9044 2C6935 MSE-24 1C9150 Nomenclature Coupling Nut Wrench Pliers Torque Multiplier Tool Set. Manpower Approximately 12 man-hours are required to incorporate this Service Bulletin.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240. then contact your GE representative immediately.Subject to the restrictions on the cover or first page. If you have any doubt.. F.Improved Forward Fan Shaft Coupling Nut periodic inspection or shutdown at latest) for engines improperly stored or engines with extended periods of non-operation at locations with a corrosion-favorable environment (such as high humidity and/or coastal locations).com/. If you have these risk factors. GE recommends accomplishing SB LM6000-IND-0239 concurrently with this Service Bulletin. PAGE 3 of 15 GE PROPRIETARY INFORMATION . L43921G11 .Improved Forward Fan Shaft Coupling Nut (2) Consumables: The following additional materials.L43902G01/ G02/G03/G04/ G05 . which should be available locally. 2009 http://webcache..9047M29P03 Gas Turbine Assembly (REF) RM L43900G01/ G02/G03/G04/ G05/G06/G07/ G08/G09/G10/ G11/G12/G13 .. H.L43902G01/ G02/G03/G04/ G05 . Forward Fan Shaft (REF) (REF) RM RM (REF) (REF) (1) RE (1) PAGE 4 of 15 GE PROPRIETARY INFORMATION .googleusercontent.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] . Material Configuration Chart New Part Number Old Part Number Nomenclature Qty Action Qty (SAC Models) L43900G01/ G02/G03/G04/ G05/G06/G07/ G08/G09/G10/ G11/G12/G13 ... Mid Shaft Assembly Nut...Subject to the restrictions on the cover or first page..C.L43921G11 . (C05-003) GP460 (C02-058) (GE Spec.L61427P01 (REF) Super Core Module Fan.E. A50TF201) Nomenclature Isopropyl alcohol Marking. Coupling.com/.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240.. Page 5 LM6000-IND-0240 Revision 1 June 01.LM6000-IND-240 . Pen Thread lubricant Quantity (AR) (AR) (AR) Ensure all materials required by technical manual procedures referenced in the ACCOMPLISHMENT INSTRUCTIONS are on hand prior to performing this Service Bulletin. are required to accomplish this Service Bulletin: Part Number Fed Spec TT-I-735 (C04-035) Sharpie T. References LM6000 Industrial Repair Manual.googleusercontent. GEK 105061 LM6000 PF Operations and Maintenance Manual.L43902G01/ G02/G03/G04/ G05 . L. Forward Fan Shaft (1) RE (1) OPERATION CODES RE = Replace RM = Remains I. GEK 98492 LM6000 PB Operations and Maintenance Manual..L43922G08 . J.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240. GEK 112743 PAGE 5 of 15 GE PROPRIETARY INFORMATION .pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] ... Functional interchangeability is affected by this Service Bulletin because new LPT coupling nut is less susceptible to corrosion cracking. Material Disposition Scrap removed hardware.. Material Reidentification None. Material Interchangeability Physical interchangeability is not affected by this Service Bulletin.. GEK 105059 LM6000 PD Operations and Maintenance Manual... GEK 103077 LM6000 PC Operations and Maintenance Manual..Subject to the restrictions on the cover or first page.9047M29P03 Gas Turbine Assembly (REF) RM L43901G01/ G02/G03/G04/ G05/G06/G07/ G08/G09/G10/ G11 .L43922G08 .com/.Improved Forward Fan Shaft Coupling Nut Old Part Number Nomenclature Qty Action New Part Number Qty (DLE Models) L43901G01/ G02/G03/G04/ G05/G06/G07/ G08/G09/G10/ G11 .L61427P01 (REF) Super Core Fan. Coupling. Mid Shaft (REF) (REF) RM RM (REF) (REF) Nut. http://webcache.L43902G01/ G02/G03/G04/ G05 . K.LM6000-IND-240 . C. Secure support to spacer with four screws.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240. MSE-24. Remove 28 bolts securing impeller cover plate. (figure 3) as follows: (a) Install spacer on forward flange of forward fan shaft with five bolts and LPC coupling nuts. B. GEK 105061 for LM6000 PD engines. With four jackscrews from jackscrew tool set. remove inlet frame per SWP 2110 01. Matchmark impeller cover to low pressure (LP) shaft (figure1). Tighten screws to 40-60 lb in. II. Previous Modifications None. 2C6935.Improved Forward Fan Shaft Coupling Nut Page 6 LM6000-IND-0240 Revision 1 June 01.googleusercontent. F. Slide subassembly (torque and indexing tubes) through support and engage key slots in LPC coupling nut.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] . E.com/. Install torque multiplier. PN 9047M29P03. Remove LPC coupling nut. NOTE The referenced work packages (WP) that follow. Remove mid shaft to LPC coupling nut with coupling nut wrench..5-6.. A. Remove engine from package per packager's manual. 1C9150. ACCOMPLISHMENT INSTRUCTIONS NOTE The LPC coupling nut has a one time use restriction. 2009 GEAE internal use only: CID 464902 M. Tighten LPC coupling nuts to 135-150 lb ft (183-203 N·m) of torque.8 N·m) of torque. remove impeller cover plate. GEK 105059 for LM6000 PC engines. (4. and GEK 112743 for LM6000 PF engines. 1C9044. (b) (c) (d) http://webcache. as follows: (1) (2) Remove retaining ring (figure 2) with pliers. apply to GEK 103077 for LM6000 PB engines. 1C9044.LM6000-IND-240 . Remove variable inlet guide vane (VIGV) case per WP 2110 00 or. over coupling nut wrench. if installed. D. indexing tube and engage tube splines. . Page 7 LM6000-IND-0240 Revision 1 June 01.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] .googleusercontent.Improved Forward Fan Shaft Coupling Nut PAGE 6 of 15 GE PROPRIETARY INFORMATION .LM6000-IND-240 .com/.Subject to the restrictions on the cover or first page. 2009 http://webcache.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240.. LM6000-IND-240 .Subject to the restrictions on the cover or first page.googleusercontent.. 2009 http://webcache.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240. Page 8 LM6000-IND-0240 Revision 1 June 01.com/.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] .Improved Forward Fan Shaft Coupling Nut Location of the Impeller Cover Figure 1 PAGE 7 of 15 GE PROPRIETARY INFORMATION .. .Improved Forward Fan Shaft Coupling Nut LPC Coupling Nut Retaining Ring Removal Figure 2 PAGE 8 of 15 GE PROPRIETARY INFORMATION . Page 9 LM6000-IND-0240 Revision 1 June 01..pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] .2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240.com/.Subject to the restrictions on the cover or first page. 2009 http://webcache.googleusercontent.LM6000-IND-240 . Remove coupling nut wrench. 1C9044. 2009 WARNING USE EXTREME CARE WHEN APPLYING PRESSURE TO SHAFT COUPLING AS COUPLING MAY SUDDENLY DISENGAGE FROM GEAR SHAFT.com/. Measure at same o’clock position as check dimension measurement.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] .Improved Forward Fan Shaft Coupling Nut LPC Coupling Nut Removal Figure 3 PAGE 9 of 15 GE PROPRIETARY INFORMATION . take three equally spaced drop measurements from forward end of mid shaft (tangs) to forward mating face of forward shaft flange.googleusercontent. Record as Measured Dimension G.LM6000-IND-240 . (3) Clean thread and mating face of mid shaft and forward shaft where LPC coupling nut threads and seats with isopropyl alcohol. MSE-24. Discard LPC coupling nut. Page 10 LM6000-IND-0240 Revision 1 June 01. DROPPING HYDRAULIC CYLINDER COULD CAUSE INJURY TO OPERATOR. until LPC coupling nut is loose. (4) http://webcache.Subject to the restrictions on the cover or first page. and remove LPC coupling nut from shaft. C04-035. (e) Apply torque to torque multiplier.. With depth micrometer.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240.. subtract Measured Dimension G2 from Measured Dimension G. C02-058. 2009 thread lubricant.169 N·m) or wrench angle of 27 degrees. Page 11 LM6000-IND-0240 Revision 1 June 01. Remove excessive (6) PAGE 10 of 15 GE PROPRIETARY INFORMATION . tighten LPC coupling nut to 2..712 N·M) OF TORQUE. 1C9044.000 lb ft (2. (2) (3) (4) CAUTION DO NOT EXCEED TORQUE OF 7.Improved Forward Fan Shaft Coupling Nut (5) Obtain new LPC coupling nut.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] . Do not exceed torque of 7. L61427P01.712 N·m) of torque to final torque.712 N·m) of torque.000 lb ft (2.LM6000-IND-240 . measure length of LPC coupling nut at three equally spaced locations. Apply thread lubricant.000 LB FT (2.500 LB FT (10.000 lb ft (2.com/.googleusercontent.169 N·M) OR WRENCH ANGLE OF 27 DEGREES ABOVE WRENCH ANGLE FOR 2. Record as Measured Dimension G2 (figure 4). Difference (8) http://webcache. (7) Take three equally spaced drop measurements from forward end of castellation of LPC coupling nut to end of mid shaft. PN L61427P01. With coupling nut wrench. C04-035. (5) Continue tightening LPC coupling nut to align slots in LPC coupling nut with slots in end of mid shaft.Subject to the restrictions on the cover or first page. Record as Measured Dimension G. Install LPC coupling nut and hand-tighten. (6) G. from LPC coupling nut. 1C9044. This is the target seat Calculated Dimension G. from end of LPC coupling nut castellation to mating/contact surface of LPC coupling nut. Record final torque and angle. as follows: (1) Clean LPC coupling nut threads and mating face with isopropyl alcohol.712 N·m) of torque and record wrench angle.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240. Record angle of LPC coupling nut rotation from 2. C02-058. Remove coupling nut wrench.500 lb ft (10.. Compare Calculated Dimension G to Measured Dimension G. Install new LPC coupling nut. Use dimension drops G from forward shaft mating face to shaft tangs. Tighten LPC coupling nut to wrench angle of 22 degrees minimum above wrench angle reading for 2. to threads and mating face. Tighten bolts to 100-120 lb in.Subject to the restrictions on the cover or first page.googleusercontent. C02-058.0.. PAGE 11 of 15 GE PROPRIETARY INFORMATION .005 inch (0. 2009 http://webcache. (14) Install engine in package and re-align per packager's manual.013 mm) of Calculated Dimension G. (13) Install VIGV case per WP 2110 00 or install inlet frame per SWP 2110 01. (10) Apply thread lubricant. (12) Apply thread lubricant. (11.. (9) Install retaining ring (figure 2) using pliers. C02-058. (11) Line up matchmarks on impeller cover to LP shaft.com/.LM6000-IND-240 . to five bolts securing spacer on forward flange of forward fan shaft and final tighten nuts to 275-285 lb ft (373-386 N·m) of torque. Page 12 LM6000-IND-0240 Revision 1 June 01.(4) and install impeller cover plate. 2C6935.3-13.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] . to threads of bolts and using 28 bolts previously removed in step A.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240.6 N·m) of torque.Improved Forward Fan Shaft Coupling Nut between values must be within +/. Subject to the restrictions on the cover or first page..LM6000-IND-240 .. http://webcache.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240.Improved Forward Fan Shaft Coupling Nut Forward Shaft to Mid Shaft Drop Check Figure 4 PAGE 12 of 15 GE PROPRIETARY INFORMATION .com/.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] .googleusercontent. http://webcache. The attached Service Bulletin Compliance Record form must be completed and returned to the address indicated on the compliance form. COMPLIANCE RECORD Compliance with this Service Bulletin must be entered in local records.Improved Forward Fan Shaft Coupling Nut Page 13 LM6000-IND-0240 Revision 1 June 01.googleusercontent. 2009 III.LM6000-IND-240 ..com/.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240..pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] . .pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] .Subject to the restrictions on the cover or first page..Improved Forward Fan Shaft Coupling Nut PAGE 13 of 15 GE PROPRIETARY INFORMATION .2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240. Page 14 LM6000-IND-0240 Revision 1 June 01.com/.googleusercontent. 2009 http://webcache.LM6000-IND-240 . LM6000-IND-240 .com/.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240. Page 15 LM6000-IND-0240 Revision 1 June 01.googleusercontent.pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] .Subject to the restrictions on the cover or first page..Improved Forward Fan Shaft Coupling Nut PAGE 14 of 15 GE PROPRIETARY INFORMATION . 2009 Improved Forward Fan Shaft Coupling Nut http://webcache.. .pdf+&cd=1&hl=en&ct=clnk&gl=pk[3/4/2014 4:31:38 AM] . http://webcache.Improved Forward Fan Shaft Coupling Nut PAGE 15 of 15 GE PROPRIETARY INFORMATION .googleusercontent.2520LM6000%2520Manuals/Bulletin/data/lm6000-ind-240..LM6000-IND-240 .com/.Subject to the restrictions on the cover or first page.
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