PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE TORQUE CONVERTER IMPELLER BOLTS ON CERTAIN 587T PIPELAYERS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE TORQUE CONVERTER IMPELLER BOLTS ON CERTAIN 587T PIPELAYERS

Usage:

TEBE3583-01

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30Nov2015

(Revised 23Mar2016)

U-637

A-461

D-557

O-550

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Priority	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE TORQUE CONVERTER IMPELLER BOLTS ON CERTAIN 587T PIPELAYERS
3101 3105 3134		PI32578

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NOTE:

Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.

NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI32578" 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 "PI32578" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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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.

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NOTE:	This Revised Service Letter replaces the 30Nov2015 Service Letter. Changes have been made to the Affected Product.

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COMPLETION DATE	TERMINATION DATE
31May2016	30Nov2016

PROBLEM

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The 1A2029 Impeller bolts need to be replaced on certain 587T Piplayers. The existing bolts may loosen and cause performance issues, overheating, or noise complaints.

AFFECTED PRODUCT

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Model	Identification Number
587T	FAT00214-00229, 233-234, 240-252, 254, 259-262, 268, 271-281, 283-290, 292-299, 302, 304-317, 323-332, 339-351, 354-370, 376-384, 386-394, 407-415, 422-427, 429-434, 436-455, 457, 459, 461-466, 469-481, 483-485, 488-489, 491-494, 496, 498-507, 510-511, 514-519, 522-536, 539-544, 546-548, 550-586

PARTS NEEDED

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Qty	Part Number	Description
1	1P3705	SEAL-RECTANGULAR
1	1S9799	SEAL-O RING
1	4J0520	SEAL-O-RING
24	5M2894	WASHER-HARD
1	6F4718	SEAL-O RING
2	8M4433	SEAL-O-RING
1	9H0846	SEAL-O-RING
24	0343557	BOLT-LOCKING
1	1362216	SEAL-LIP TYPE
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 33% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

ACTION REQUIRED

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Refer to the Service Manual if/as necessary and see the attached Rework Procedure.

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OWNER NOTIFICATION

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Owners in the following countries will receive the attached Owner Notification:
US
Canada

SERVICE CLAIM ALLOWANCES

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Caterpillar		Dealer Suggested		Customer Suggested
Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
100%	100%	0%	0%	0%	0%

NOTE: This is a 26.0-hour job

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.

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EXAMPLE COPY OF OWNER NOTIFICATION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE TORQUE CONVERTER IMPELLER BOLTS ON CERTAIN 587T PIPE LAYERS

MODELS INVOLVED - Certain 587T Pipe layers

Dear Cat Product Owner:

The 1A2029 Impeller bolts need to be inspected on the products listed below. The existing bolts may loosen and cause performance issues, overheating, or noise complaints. You will not be charged for the service performed.

Contact your local Cat dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.

If you are no longer the owner of this product(s), please contact your local Cat dealer so that our records can be updated. Please refer the dealer to their Service Letter dated 30Nov2015 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 30Nov2015 Service Letter

Rework Procedure

Important: Prior to disassembly, please check and record the torque of all twenty-four 1A-2029 Bolts. Submit results into SIMS Entry.

How to check for proper torque:
1.Secure the torque convertor so it does not move during torque audit
2.Use Dial / Digital Torque tool.
3.Use Static Torque
... a) Set a dial or digital torque wrench to a maximum of 42.5 N.m (31.3 lb ft.).
... b) Place wrench on bolt and move evenly in a clockwise direction. Do not use erratic or hesitated movements.

Image1.1.1

What to record:
1. Machine Hours (SMU)
2. Number of loose bolts

Please enter results into SIMS data

Remove the Torque Converter and Torque Converter cover to gain access to the Impeller Bolts. Replace all 1A-2029 Bolts with new 034-3557 Locking Bolts and install new 5M-2894 Washers. Tighten the bolts to a torque of 50 +/- 7 N.m (37 +/- 5 lb ft). Reference RENR8236 for "Disassembly and Assembly" details and RENR8234 for Torque "Specifications".