PSP FOR INSTALLING NEW BRAKE PLATES AND DISCS IN CERTAIN D4H, D5H, D6H, AND D7H TRACTORS - PS0432

PSP FOR INSTALLING NEW BRAKE PLATES AND DISCS IN CERTAIN D4H, D5H, D6H, AND D7H TRACTORS - PS0432 - MAILED COFA

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Caterpillar: Confidential Yellow

PSP FOR INSTALLING NEW BRAKE PLATES AND DISCS IN CERTAIN D4H, D5H, D6H, AND D7H TRACTORS - PS0432 - MAILED COFA

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.


AU-32
4003  PS0432
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
"PS0432" as Part Number, "7755" as Group Number, and "96"
as Description Code.

Termination Date

March 31, 1991

Problem

Some D4H, D5H, D6H, and D7H Tractors may experience a high rate of brake
plate wear if working in demanding applications requiring aggressive braking.

Affected Product

Model Identification Number
NOTE: This Program only applies to Affected Product that have a
documented history of high "FE" (Iron) in the transmission SOS.
D4H 8PB1-3084
9DB1-1359
2AC1-595
3AC1-659
D5H 3MD1-683
4KD1-497
D6H 1KD1-665
2KD1-821
3ED1-482
D7H 2SB1-900
4AB1-1067
5WB1-788
82Z1-350

Parts Needed

D4H and D5H Tractors
2 - 7G9224 Seal
2 - 8G2192 Seal
6 - 8G2194 Ring
2 - 1H8128 Seal (Required on D5H Tractors only)
8 - 3K0360 Seal
2 - 2M3340 Seal
2 - 2M3934 Seal (Required on D4H Tractors only)
2 - 5M7329 Seal
6 - 8M4433 Seal
2 - 8M4438 Seal
2 - 3W0203 Seal
2 - 3W4404 Seal
8 - 6Y5692 Plate (10 Required on D4H - 9DB & 3AC and D5H - 4KD)
6 - 6Y9372 Disc (8 Required on D4H - 9DB & 3AC and D5H - 4KD)
D6H and D7H Tractors
2 - 8D4771 Seal
2 - 8E1707 Piston (Req'd on D6H LGP 1KD1-665 non diff steer)
2 - 8E1825 Spring (Req'd on D6H LGP 1KD1-665 non diff steer)
2 - 8E1842 Ring (Req'd on D6H LGP 1KD1-665 non diff steer)
2 - 8E1874 Retainer (Req'd on D6H LGP 1KD1-665 non diff steer)
6 - 6F6673 Seal
2 - 8J1665 Seal (Req'd on D7H Tractors Only)
6 - 3K0360 Seal
2 - 6M5218 Seal (Req'd on D6H Tractors Only)
4 - 8M4438 Seal
2 - 1P9005 Seal (Req'd on D6H Tractors Only)
2 - 6P5317 Ring
6 - 6P5404 Plate
2 - 2R0098 Seal (Req'd on D7H Tractors Only)
4 - 5S7383 Bolt (Req'd on D6H LGP 1KD1-665 non diff steer)
6 - 6T0248 Ring
2 - 6T0252 Ring
2 - 6T0257 Ring
2 - 7T1837 Ring
8 - 6Y9373 Disc

Action Required

On Affected Product that have a documented history of high "FE" (Iron) in the
transmission SOS, make sure that all of the latest updates and adjustments
have been made. Clean the system and case if residual iron exists. Use
Special Instructions SEHS8419-01 - Procedure To Clean Track-Type Tractor
Power Train Oil Systems as a guide to clean the system and case. Follow the
procedures in the Service Manual and install the new parts.

Service Claim Allowances

Product Caterpillar Dealer Suggested Customer Suggested
smu Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
(D/N) (Cost)  (C/L) (Sell)
0-5000 100% 40 0 0 0 0
5001-7000 100% 0 0 20 0% 20
NOTE: This is a 40-hour job.

Parts Disposition

All parts removed (with the exception of cores used for Caterpillar
Remanufactured parts) should be rendered useless and scrapped immediately
upon completion of the repair.