PRODUCT IMPROVEMENT PROGRAM FOR RETORQUEING DAMPER RETAINING BOLTS ON CERTAIN 3500 ENGINES Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR RETORQUEING DAMPER RETAINING BOLTS ON CERTAIN 3500 ENGINES

Usage:

SEBE9164-01

May 2, 2005
(Revised November 2005)
U-138
A-103
D-115
O-117

Show/hide table

*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR RETORQUEING DAMPER RETAINING BOLTS ON CERTAIN 3500 ENGINES
1205		PI30802

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30802" as the Part number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI30802" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

NOTE: The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

NOTE: This Revised Service Letter replaces the May 2, 2005 Service Letter. Changes have been made to the Affected Product.

Show/hide table

COMPLETION DATE	TERMINATION DATE
November 30, 2005	May 31, 2006

PROBLEM

Damper retaining bolts on some 3500 engines may need to be retorqued.

AFFECTED PRODUCT

****Group 1****

Show/hide table

Model	Identification Number
3508	23Z7961 69Z899-902 95Y1245 96Y2085, 2088 97Y750
3508B	2GR5716, 5738-5739, 5748, 5751 S2B134-136 S2D116-122 S2E201-204, 206-207 CBB264-265, 267-271, 276
G3508	9TG413
3512	24Z10176 49Y1073 65Z1175-1176 67Z2120-2129
3512B	2AF408-409 3ZW637, 639-641 S2K115-121 S2L239-241, 246-247, 249 S2M112-113 PWG138 S2H132 S2J159, 163-164
G3512	7NJ1195, 1197
3516B	7RN01970 S2R134 S2S158-160 S2X198-200

****Group 2****

Show/hide table

Model	Identification Number
777D	AGC1774, 1777-1778, 1780-1789
785C	APX606

Group 3

Show/hide table

Model	Identification Number
G3516	ZBA119-120, 124 4EK4340, 4342, 4346-4350
G3516B	GZS126-128, 130-132 ZBB120
G3516C	GZZ118, 121
3512	CMJ1440
3508B	CNB1362, 1364, 1366
789C	2BW801

PARTS NEEDED

No parts required.

ACTION REQUIRED

Check torque on all six damper bolts. Any bolts found with less than 1000nm / 740ft/lb torque need to be tightened to 1150nm / 850 ft/lb.

OWNER NOTIFICATION

U.S. and Canadian owners will receive the attached Owner Notification.

SERVICE CLAIM ALLOWANCES

Show/hide table

Caterpillar		Dealer Suggested		Customer Suggested
Parts	Labor Hrs.	Parts	Labor Hrs.	Parts	Labor Hrs.
100%	100%	0	0	0	0
NOTE: This is a 1.5hr job for Group 1. This is a 2.0hr job for Group 2. This is a 4.0hr job for Group 3. NOTE: U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report

PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

Attach. (1-Owner Notification)

COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR RETORQUEING DAMPER RETAINING BOLTS

MODELS INVOLVED - CERTAIN 3500 ENGINES

Dear Caterpillar Product Owner:

The torque on the damper retaining bolts needs to be checked and retorqued on the products listed below. You will not be charged for the service performed.

Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service. Please refer the dealer to their Service Letter dated May 2, 2005 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to date May 2, 2005 Service Letter