SBLM2500 Ind 166

 

ROUTINE GE Industrial AeroDerivative  

Gas Turbines

SERVICE BULLETIN

LM2500-IND-166 18 June 2002

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, design, or configuration changes or to obtain FAA or any other 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 reexport is prohibited. Copyright (2002) General Electric Company, USA SUBJECT: SUBJ ECT:

I.

High Pressur Pressure e Comp Compress ressor or Dischar Discharge ge Tempera Temperatur ture e ((T3) T3) Sensor Sensor Upgrad Upgrade e (LM2500 and LM2500+ Models)

PLAN PLANNI NING NG IN INFO FORM RMAT ATIO ION N  A. Effectivity LM2500 gas generators, serial numbers 671-050 through 671-055, 671-101 through 671-121, and 671-124 through 671-163, are affected by this Service Bulletin. LM2500 gas turbines, serial numbers 672-050 through 672-053, 672-101 through 672-103, and 672-105 through 672-115, are affected by this Service Bulletin. LM2500+ gas generators, serial numbers 635-101 through 635-103, 636-050, 636-051, and 636-101 through 636-106, are affected by this Service Bulletin. LM2500+ gas turbines, serial numbers 557-051, 557-052, 557-101 through 557-107, 559-101 through 559-110, 641-101 through 641-122, 642-101 through 642-135, and 642-137 through 642-148, are affected by this Service Bulletin.

ROUTINE Page 1 of 8

 

SERVICE BULLETIN LM2500-IND-166 18 June 2002

I.

PL PLANN ANNING ING INFORM INFORMAT ATION ION - Conti Continu nued ed B. Reason This Service Bulletin introduces an improved high pressure discharge temperature (T3) sensor. The new sensor, while similar in design to the superceded part, incorporates a change to the internal potting material in order to provide increased tolerance to operation in a high temperature environment. C. Desc Descri ript ptio ion n This Service Bulletin provides instructions for replacing the high pressure compressor  discharge temperature (T3) sensors. D. Compl mpliance Category: Ro Routine (R)

L ev el : F i e l d ( F )

Timing Code: 6

GE recommends this Service Bulletin be accomplished when T3 sensor replacement is required. E. Manpower   Approximately one (1) man-hour is required to accomplish accomplis h this Service Bulletin. F. Materials For LN2500+ models and LM2500 DLE models with optional dual T3 sensor kit, the following materials are required to accomplish this Service Bulletin: Part Number

Nomenclature

L4 74 44 P 0 4

Sensor, Temperature Compressor   2 Discharge Gasket, Metal O-Ring 2

MS9372-029

Quantity

For LN2500 DLE models without optional dual T3 sensor kit, the following materials are required to accomplish this Service Bulletin: Part Number

Nomenclature

L4 74 44 P 0 4

Sensor, Temperature Compressor   1 Discharge Gasket, Metal O-Ring 1

MS9372-029

Quantity

Page 2 of 8 GE PROPRIETARY INFORMATION – Subject to the restrictions on the cover or first page.

 

SERVICE BULLETIN LM2500-IND-166 18 June 2002

I.

PL PLANN ANNING ING INFORM INFORMAT ATION ION - Conti Continu nued ed The cost and delivery for this material will be quoted upon request or upon receipt of  purchase order submitted to the address below: GE Marine & Industrial AeroDerivative Gas Turbines Mail Drop S-133 One Neumann Way PO Box 156301 Cincinnati, OH 45215-6301 U.S.A.  Attn: GE Customer Account Manager  The following additional material, which should be available locally, is required to incorporate this Service Bulletin: Part Number

Nomenclature

Quantity

GP460 or MIL-T-5544 73 6L 68 0G 0 1 R297P04

Thread Lubricating Compound Safety Cable Safety Wire

AR AR A LT

G. Tooling No special tools are required. H. Refer ferences CID 609510 CID 705455 I.

(For GE Internal Use Only) (For GE Internal Use Only)

Pr Prev evio ious us Modi Modifi fica cati tion ons s None.

J. Reid Reiden enti tifi fica cati tion on Not applicable.

Page 3 of 8 GE PROPRIETARY INFORMATION – Subject to the restrictions on the cover or first page.

 

SERVICE BULLETIN LM2500-IND-166 18 June 2002

II. ACCOMPL ACCOMPLISHM ISHMENT ENT INSTRUCT INSTRUCTIONS IONS  A. Remove T3 sensor, PN L47444P03, as follows: NOTE

For engines equipped with two T3 sensors, both sensors should be replaced using the following procedure. 1.

Remove T3 sensor (1, Figure 1) electrical lead from bracket (2 or 5) as follows: WARNING

ELECTRICAL POWER SHALL BE OFF BEFORE CONNECTING OR DISCONNECTING ELECTRICAL CONNECTORS. ELECTRICITY CAUSES SHOCK, BURNS, AND DEATH.

2.

a.

Remove packager cable from T3 sensor (1) electrical lead per packager’s manual.

b.

Remove safety wire and remove jamnut (6) securing T3 sensor (1) electrical lead to bracket (2 or 5).

c.

Remove T3 sensor (1) electrical lead from bracket (2 or 5).

Remove T3 sensor (1) from compressor rear frame (CRF) as follows: a.

Remove safety wire from four bolts (4) securing T3 sensor (1) to CRF.

b.

Remove bolts (4) that secure T3 sensor (1) to CRF. Retain bolts for reuse.

c.

Remove T3 sensor (1) and metal gasket (3) from CRF. Discard metal gasket.

B. Install T3 sensor, PN L47444P04, onto CRF as follows: 1.

Install new metal gasket (3), PN MS9372-029, onto T3 sensor (1).

2.

Carefully fit T3 sensor (1) into port in CRF.

3.

Align T3 sensor (1) boltholes with boltholes in CRF boss.

4.

Coat threads and contact faces of bolts (4) with thread lubricating compound.

5.

Using bolts (4), secure T3 sensor (1) to CRF. Tighten bolts to 55-70 lb-in. (6.2-7.9 N⋅m) of torque and safety-wire.

Page 4 of 8 GE PROPRIETARY INFORMATION – Subject to the restrictions on the cover or first page.

 

SERVICE BULLETIN LM2500-IND-166 18 June 2002

II. ACCOMPLI ACCOMPLISHME SHMENT NT INSTRUC INSTRUCTION TIONS S - Contin Continued ued

Figure 1. T3 Sensor Replacement (Sheet 1 of 2)

Page 5 of 8 GE PROPRIETARY INFORMATION – Subject to the restrictions on the cover or first page.

 

SERVICE BULLETIN LM2500-IND-166 18 June 2002

II. ACCOMPLI ACCOMPLISHME SHMENT NT INSTRUC INSTRUCTION TIONS S - Contin Continued ued

Figure 1. T3 Sensor Replacement (Sheet 2 of 2)

Page 6 of 8 GE PROPRIETARY INFORMATION – Subject to the restrictions on the cover or first page.

 

SERVICE BULLETIN LM2500-IND-166 18 June 2002

II. ACCOMPLISHMENT INSTRUCTIONS - Continued 6.

Install T3 sensor (1) electrical lead through bracket (2 or 5).

7.

Using jamnut (6), secure integral T3 sensor (1) electrical lead onto bracket (2 or 5). Tighten jamnut (6) to 25-30 lb in. (2.8-3.4 N ⋅m) of torque and safety-wire. WARNING

ELECTRICAL POWER SHALL BE OFF BEFORE CONNECTING OR DISCONNECTING ELECTRICAL CONNECTORS. ELECTRICITY CAUSES SHOCK, BURNS, AND DEATH. 8.

Con Connect nect packag packager er cable cable to integra integrall T3 sensor sensor (1) electri electrical cal le lead ad per packag packager’ er’s s manual.

III. MATERIAL MATERIAL INFORMAT INFORMATION ION  A. Configuration Chart Old Part Number L4 74 44 P 0 3 MS9372-029

Nomenclature

Qty

Action

New Part Number

Qty

Sensor sor, Tempe mperatur ure e Compressor Discharge Gasket, Metal O-Ring

2*

Replace

L4 74 44P 0 4

2*

2*

Remains

MS9372-029

2*

* 1 for LM2500 DLE models without optional dual T3 sensor kit B. Inte Interc rcha hang ngea eabi bili lity ty Physical interchangeability and functional interchangeability are not affected by this Service Bulletin. C. Part Parts s Disp Dispos osit itio ion n Scrap removed T3 sensors. IV. COMPLIAN COMPLIANCE CE RECORD RECORD Compliance with this Service Bulletin must be entered in local records. The attached Service Bulletin Compliance Record form must be completed and returned to the address indicated on the compliance form.

Page 7 of 8 GE PROPRIETARY INFORMATION – Subject to the restrictions on the cover or first page.

 

SERVICE BULLETIN LM2500-IND-166 18 June 2002

HIGH PRESSURE COMPRESSOR DISCHARGE TEMPERATURE (T3) SENSOR UPGRADE  (LM2500 AND LM2500+ MODELS) UPGRADE SERVICE BULLETIN COMPLIANCE RECORD Gas Turbin Turbine e SN: ______ __________ _______ ______ ______ _______ _______ ______ ______ ______ ___ Total Total Time: Time: ______ ________  __ 

(Hours)  ACCOMPLISHED AT (LOCATION): (L OCATION): _______________________________________  BY WHOM:______________ WHOM:____________________ ____________ _____________ __________ ___ DATE: _____________ ________________  ___  MATERIAL INFORMATION (ADDED, DELETED, OR REPLACED HARDWARE) HARDWARE REMOVED

NOMENCLATURE

PART NO.

Mail this form to:

SERIAL NO.

HARDWARE INSTALLED

QTY

NOMENCLATURE

Strategic Power Systems, Inc. Piedmont Bldg. - Koger Center Suite 308 11301 Carmel Commons Blvd.

PART NO.

SERIAL NO.

QTY

PHONE: (704) 544-5501 FAX: (704) 544-5505

Charlotte, NC 28226, USA  Attention:: Program Manager,  Attention Manager, ORAP ORAP Comments:

Page 8 of 8 GE PROPRIETARY INFORMATION – Subject to the restrictions on the cover or first page.