PRODUCT SUPPORT PROGRAM FOR INSPECTING AND INSTALLING NEW PINION BEARINGS ON CERTAIN CH65B, CH65C, CH70, CH75, CH75C, CH75D, CH85C, CH85D AGRICULTURAL TRACTORS Caterpillar


PRODUCT SUPPORT PROGRAM FOR INSPECTING AND INSTALLING NEW PINION BEARINGS ON CERTAIN CH65B, CH65C, CH70, CH75, CH75C, CH75D, CH85C, CH85D AGRICULTURAL TRACTORS

Usage:

Caterpillar: Confidential Yellow
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND INSTALLING NEW PINION BEARINGS ON CERTAIN CH65B, CH65C, CH70, CH75, CH75C, CH75D, CH85C, CH85D AGRICULTURAL TRACTORS
SEBE7284-01

May 2, 2000
(Revised July 2001)
A-105


 
 
 
before or
after failure

PRODUCT SUPPORT PROGRAM FOR INSPECTING AND INSTALLING NEW PINION BEARINGS ON CERTAIN CH65B, CH65C, CH70, CH75, CH75C, CH75D, CH85C, AND CH85D CHALLENGER TRACTORS

4091
PS40163
NOTE: This Program can be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS40163" as the Part number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "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, 2000 Service Letter. Changes have been made to the Title and the Termination Date.

TERMINATION DATE

May 31, 2002

PROBLEM

Certain Challenger CH65, CH70, CH75, and CH85 Tractors may experience problems with final drive pinion tooth failures or pinion bearing failures due to incorrect bearing preload. A new bearing preload procedure was announced earlier. The affected tractors can be inspected for damage, replacing parts as required.

AFFECTED PRODUCT

Model Identification Number

CH65B     7YC614, 642, 908, 913, 938, 945, 948, 953, 957, 959-960, 970, 1255, 1436-1437, 1493, 1554, 1593, 1618, 1631, 1664, 1670, 1672, 1690, 1752, 1778, 1901, 1907, 1915-1916, 1923, 1925, 1939, 1950, 1954, 1956, 1958, 1961, 1965, 1997, 2006-2007, 2025, 2028, 2030-2031, 2034, 2038, 2040, 2064, 2086-2088, 2091, 2095, 2097, 2102, 2118, 2127-2132, 2139, 2148-2149, 2153, 2166, 2168

CH65C     2ZJ237, 240, 244-245, 271, 273, 285, 288-289, 331, 367, 372, 374,     506-508, 512-518, 558, 573, 585-588, 602-604, 623-624, 635, 657, 1685, 1702, 1743, 1746, 1808, 1875, 1967, 2005, 2007, 2027-2028, 2068, 2141, 2146, 2309, 2387

CH70C     2YL238, 240, 250-251, 255-256, 258

CH75      4CJ570-571, 596

CH75C     4KK142, 188-189, 194, 243, 248, 253, 282, 291-292, 308, 339, 356, 359, 365, 372-373, 528-532, 538-547, 553, 593, 624-632, 634, 659-660, 662-663, 666-667, 669-672, 713-714, 801-803, 833, 1867-1868, 1870-1871, 1914, 1916-1918, 1920-1921, 1930, 2018-2020, 2063-2065, 2261-2264, 2268-2269

CH75D     5AR221-224, 318-319, 321

CH85C     9TK1427

CH85D     4GR491

PARTS NEEDED

4 - 8T0759 CONE-RLR BRG
4 - 8T0760 CUP-RLR BRG
2 - 3W5636 GEAR - PINION (As Required)
2 - 1384126 SHIM PACK KIT

ACTION REQUIRED

References: A) Disassembly & Assembly (Challenger 65 Tractor Power Train) Service Manual Module; Form No: SENR3344-01

B) Disassembly & Assembly (Challenger 65B & 75 Agricultural Tractors, Power Train) Service Manual Module; Form No: SENR4973

C) Disassembly & Assembly (Challenger 65C, 70C, 75C & 85C Agricultural Tractors Power Train) Service Manual Module; Form No: SENR5263-01

D) Disassembly & Assembly (Challenger 65D, Challenger 75D And Challenger 85D Agricultural Tractors Power Train) Service Manual Module; Form No: SENR9439

E) "Improved Final Drive Pinion Bearing Setting Procedure Used and New Shim Pack Kit Available", Service Magazine, May 4, 1998, p. 6

Certain Challenger CH65, CH70, CH75, and CH85 tractors may experience problems with final drive pinion tooth failures or pinion bearing failures as a result of incorrect bearing preload. The affected tractors can be inspected for damage. New bearings should be installed and shimmed to the correct procedure. Pinion gears should be replaced as required. 1) Remove the belts, drivers, and final drives per procedures outlined in the appropriate Service Manual module referenced above.

2) Disassemble the final drive pinions and bearings.

3) Inspect the pinions for damage. If significant damage is noted, replace the pinion gear. If no significant damage is noted, swap the pinions side-to-side.

4) Install new pinion bearings. Shim to the procedure outlined in the referenced Service Magazine article.

5) Reassemble the final drives.

6) Reinstall the drivers and belts.

SERVICE CLAIM ALLOWANCES

Product smu
Caterpillar
Dealer Suggested
Customer Suggested
Parts
Labor Hrs
Parts
Labor Hrs
Parts (C/L)
Labor Hrs (Sell)
0-5000
33.3%
4.0
0
4.0
50%
0
5001-8000
33.3%
0
0
4.0
50%
4.0
NOTE: This is a 8.0- hour job.

PARTS DISPOSITION

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

Caterpillar Information System:

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