PSP FOR REPLACING THE PISTONS IN THE WINCHES ON CERTAIN D6H TRACTORS - PS4302 - MAILED US AND CANADA, CACO, COFA, CFEL, COS A
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PSP FOR REPLACING THE PISTONS IN THE WINCHES ON CERTAIN D6H TRACTORS - PS4302 - MAILED US AND CANADA, CACO, COFA, CFEL, COS A
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.
U-126 A-88 AU-86 E-54 O-78 5176 PS4302 NOTE: This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4302" as Part Number, "7755" as Group Number, and "96" as Description Code. NOTE: Although this Program is to be administered as described above on customer units, it is recommended that Affected Product in dealer inventory be reworked on a before failure basis. Parts stock should be purged as soon as possible.
Termination Date
June 30, 1990
Problem
The 3T9204 Pistons in certain 56H Winches on D6H Tractors may break and render the winch inoperative.
Affected Product
Model Identification Number D6H Tractors equipped with 56H Winch 2EC279-375, 377-435, 437-460, 462-520, 521-670 1XB258, 261-279
Parts Needed
2 - 6Y2646 Piston 3 - 2P3597 Ring - Seal 3 - 6H7201 Ring - Metal Seal 1 - 6T3002 Ring - Seal 2 - 9G1999 Shim Pack 2 - 9G1969 Shim Pack 3 - 6T3003 Ring - Seal 1 - 2P4511 Ring - Seal 4 - 8F8882 Seal - O-ring 6 - 1P6071 Race - Bearing-Thrust 3 - 1P6070 Bearing - Thrust 1 - 4B8024 Seal 6T4187 Plate (if required)
Action Required
***** Parts Stock ***** Remove all 3T9204 Pistons from parts stock. ***** Affected Product ***** Follow the procedures in the Service Manual. Remove the former 3T9204 Pistons from the winch and install new 6Y2646 Pistons. Inspect the 7S2245 Dowel fit in the 6T4187 Plate. Drill new holes for the dowels or replace the plate if it is loose. See the Illustration for hole locations.
Service Claim Allowances
***** Parts Stock ***** Submit one claim for all 3T9204 Pistons removed from parts stock. ***** Affected Product ***** Product Caterpillar Dealer Suggested Customer Suggested smu/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. whichever (D/N) (Cost) (C/L) (Sell) comes first 0-3000 100% 5 0 5 0 0 0-24 mo 3001-5000 33 1/3% 2.5 0 2.5 50% 5 25-36 mo NOTE: This is a 10-hour job. NOTE: Include the winch S/N on the claim. File claims using the serial numbers which follow. Dealer Inventory Parts Stock U.S. Dealers - 99Z21 99Z1 CofA Dealers - 99Z121 99Z101 Canadian and CACO Dealers - 99Z621 99Z601 CFEL Dealers - 99Z821 99Z801 COSA Dealers - 99Z421 99Z401
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Caterpillar Information System:
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PSP FOR INSTALLING A NEW GUIDE TUBE FOR THE OIL LEVEL GAUGE GROUP ON CERTAIN D11N TRACTORS AND 3508 ENGINES - PS4338 - MAI LED US AND CANADA, COFA, COSA, LIMITED CACO PSP FOR INSTALLING A NEW GUIDE TUBE FOR THE OIL LEVEL GAUGE GROUP ON CERTAIN D11N TRACTORS AND 3508 ENGINES - PS4338 - MAI LED US AND CANADA, COFA, COSA, LIMITED CACO
PARTS STOCK ACTION ONLY - CERTAIN 7000 SERIES FUEL INJECTION NOZZLES NEED TO BE REMOVED FROM PARTS STOCK - PI7210 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, TRUCK TEPS PARTS STOCK ACTION ONLY - CERTAIN 7000 SERIES FUEL INJECTION NOZZLES NEED TO BE REMOVED FROM PARTS STOCK - PI7210 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA, TRUCK TEPS
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PSP FOR INCREASING THE WELD WEAR BUFFER AND INCREASING THE STRENGTH OF THE END PLATE ASSEMBLIES ON U AND SU BULLDOZERS FOR D9N TRACTORS - PS0385 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA PSP FOR INCREASING THE WELD WEAR BUFFER AND INCREASING THE STRENGTH OF THE END PLATE ASSEMBLIES ON U AND SU BULLDOZERS FOR D9N TRACTORS - PS0385 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
SERVICE LETTER EXTENSION - MARCH 19, 1988 - PS4223 - PSP FOR FAN SPIDER FAILURES ON CERTAIN D4H TRACTORS EQUIPPED WITH BLO WER FAN - MAILED US AND CANADA, CACO, COFA, CFEL, COSA SERVICE LETTER EXTENSION - MARCH 19, 1988 - PS4223 - PSP FOR FAN SPIDER FAILURES ON CERTAIN D4H TRACTORS EQUIPPED WITH BLO WER FAN - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
SERVICE LETTER EXTENSION - PS4211 - PSP OSCILLATING HITCH RETAINING BOLTS ON 518 SKIDDERS, 518 GRAPPLE SKIDDERS, FB 518 FEL LER BUNCHER - MAILED US AND CANADA, CACO, COFA, CFEL SERVICE LETTER EXTENSION - PS4211 - PSP OSCILLATING HITCH RETAINING BOLTS ON 518 SKIDDERS, 518 GRAPPLE SKIDDERS, FB 518 FEL LER BUNCHER - MAILED US AND CANADA, CACO, COFA, CFEL
PSP FOR REINFORCING THE EJECTOR ON CERTAIN 631E AND 637E SCRAPERS - PS4323 - MAILED US AND CANADA, CACO, COFA, CFEL, COS A PSP FOR REINFORCING THE EJECTOR ON CERTAIN 631E AND 637E SCRAPERS - PS4323 - MAILED US AND CANADA, CACO, COFA, CFEL, COS A
PSP FOR TRACK JOINT FAILURE (LEAKS) ON D8L, D9L, AND D10 TRACTORS - PS0381 - MAILED CACO PSP FOR TRACK JOINT FAILURE (LEAKS) ON D8L, D9L, AND D10 TRACTORS - PS0381 - MAILED CACO
SERVICE LETTER EXTENSION - MAY 21, 1988 - PS4224 - PSP FOR DAMAGED BOLTS IN GOVERNOR FLYWEIGHT CARRIER AND AUTOMATIC TIM ING ADVANCE UNITS IN D8N, 621E, 623E, 627E, 824C TRACTORS; 980C LOADERS; 245 EXCAVATORS; 16G MOTOR GRADERS; 825C, 826C COMPAC TOR SERVICE LETTER EXTENSION - MAY 21, 1988 - PS4224 - PSP FOR DAMAGED BOLTS IN GOVERNOR FLYWEIGHT CARRIER AND AUTOMATIC TIM ING ADVANCE UNITS IN D8N, 621E, 623E, 627E, 824C TRACTORS; 980C LOADERS; 245 EXCAVATORS; 16G MOTOR GRADERS; 825C, 826C COMPAC TOR
Product Support Program For Replacing The Case And Frame Assembly On Certain D5H and D5H LGP Tractors Product Support Program For Replacing The Case And Frame Assembly On Certain D5H and D5H LGP Tractors
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PARTS STOCK ACTION ONLY - NEW CYLINDER HEAD GASKETS ON 3406 ENGINES - PI7211 - MAILED US, CANADA, COFA, BRAZIL, CFEL, COSA TRU CK TEPS, MARINE TEPS AND AGRICULTURAL TEPS PARTS STOCK ACTION ONLY - NEW CYLINDER HEAD GASKETS ON 3406 ENGINES - PI7211 - MAILED US, CANADA, COFA, BRAZIL, CFEL, COSA TRU CK TEPS, MARINE TEPS AND AGRICULTURAL TEPS
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SERVICE LETTER SUPPLEMENT FOR JULY 29, 1988 SL - PS4254 - PSP FOR CRACKS AT THE SPREADER TUBE TO BOWL SIDEWALL JOINT ON 631E, 63 7E - MAILED US AND CANADA, CACO, COFA, BRAZIL, COSA SERVICE LETTER SUPPLEMENT FOR JULY 29, 1988 SL - PS4254 - PSP FOR CRACKS AT THE SPREADER TUBE TO BOWL SIDEWALL JOINT ON 631E, 63 7E - MAILED US AND CANADA, CACO, COFA, BRAZIL, COSA
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