PRODUCT SUPPORT PROGRAM FOR REPLACING THE FILTER BYPASS SWITCH GP ON CERTAIN TH55-E70 AND TH55-E90 TRANSMISSIONS AND 3512C ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FILTER BYPASS SWITCH GP ON CERTAIN TH55-E70 AND TH55-E90 TRANSMISSIONS AND 3512C ENGINES

Usage:

TEBE1035-00

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08Oct2014

U-569

A-428

D-514

O-491

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE FILTER BYPASS SWITCH GP ON CERTAIN TH55-E70 AND TH55-E90 TRANSMISSIONS AND 3512C ENGINES
1435 3067		PS52776

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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 can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS52776" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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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TERMINATION DATE

31Oct2016

PROBLEM

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The existing filter bypass switch group can experience pin fretting on certain TH55-70 and TH55-E90 Transmissions; and 3512C Engines. The applicable warnings are "Cat Electronics Technician - Cat Data Link Event (CID - Modifier): 329-3 Transmission Oil Filter Plugged" or "J1939 (SPN - FMI): 126-0 Transmission Oil Filter Plugged". These warnings may be inaccurate and may be repeating on affected units.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
TH55 FT-E70	PCJ00300-00333, 335-503, 505-631, 634-691, 693-697, 699-706, 708, 710-1230, 1232, 1235-1236, 1239, 1242-1410, 1412-2332, 2334-2376, 2378-2384, 2390, 2392-2404, 2407-2423, 2425, 2427-2445, 2447-2562, 2564-2610, 2612-2655, 2657-2658, 2660-2689, 2692, 2694, 2698, 2703, 2707, 2709
TH55-E90	THE00300-00457, 461

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*****Group 2*****
3512C	PNY00151-00157

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
2	1028802	RECEPTACLE KIT
4	1261767	PIN-CONNECTOR
2	4514779	SWITCH GP
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 4% 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.
*****Group 2*****
2	1028802	RECEPTACLE KIT
4	1261767	PIN-CONNECTOR
2	4514779	SWITCH GP
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 4% 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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See the attached Rework Procedure.

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 1*****
0-15000 hrs, 0-96 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

NOTE: This is a 3.0-hour job for Group 1

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 2*****
0-15000 hrs, 0-96 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

NOTE: This is a 3.0-hour job for Group 2

PARTS DISPOSITION

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

Rework Procedure

Warning: Hydraulic systems may be pressurized, ensure pressure has been released before working on system.

Procedure is applicable to the Torque Converter Filter and Transmission Filter.

Disconnect 164-7577 Sensor Assembly from 308-2996 Harness Assembly.

Remove 164-7577 Sensor Assembly from 333-9310 Filter Base Assembly.

Note: 164-7577 Sensor Assembly is lightly preloaded by bypass spool and spring, hold sensor securely during removal.

Install 451-4779 Sensor Assembly into 333-9310 Filter Base Assembly and torque to 80Nm +/- 10Nm (59 ft/lbs +/- 7 ft/lbs).

Remove 155-2261 Wedge, 155-2269 Plug Assembly, and 8T-8730 Sockets from Bypass Switch Wires on 308-2996 Harness.

Install 126-1767 Pins and 102-8802 Receptacle Kit to Transmission and Torque Converter Bypass Switch Wires on 308-2996 Harness.

Refer to Tool Operating Manual SEHS9615 ?Servicing Deutsch HD & DT Style Connectors?.

Connect 451-4779 Sensor Assemblies to Transmission and Torque Converter Bypass Switch Connectors on 308-2996 Harness.

Secure harness to existing clipping points.

Note: Harness 450-1916 replaces Harness 308-2996 Harness, and contains updated pins and Deutsch connector. May be used with 451-4779 Sensor As. if harness replacement is required. Harness replacement is not required for this repair procedure.