VALVE-CHECK 4201793 - Caterpillar

CONFIDENTIAL
TECHNICAL INFORMATION BULLETIN NOVEMBER 13, 2002
TRACK-TYPE TRACTORS D6R (7LR1-Up, 2YN1-Up, 9ZS1-Up, 6FR1-Up, 2HM1-Up, 3ZN1-Up, 1RW1-Up, 5PR1-Up, 4FM1-Up, 4MN1-Up, 6MR1-Up, 4WR1-Up, 4JR1-Up, 5LN1-Up, 7GR1-Up, 5RR1-Up, 9BM1-Up, 6JN1-Up, 6HR1-Up, 8XN1-Up, 7KN1-Up, 7DR1-Up, 9MN1-Up, 8LN1-Up, 7ZR1-Up, 4HN1-Up, 9PN1-Up, 4TR1-Up, 8TM1-Up)
D6R II (AEM1-Up, BRJ1-Up, BMK1-Up, BLE1-Up, AGM1-Up, CAD1-Up, BPS1-Up, BMJ1-Up, AAX1-Up, FDT1-Up, BRZ1-Up, BMY1-Up, ACJ1-Up, BPP1-Up, ADE1-Up, BPZ1-Up, BNC1-Up, AEP1-Up, BRE1-Up, DAE1-Up)
D7R (2HR1-Up, 3ZR1-Up, 9HM1-Up, 4SR1-Up, 2EN1-Up, 5MR1-Up, 3DN1-Up, 6ER1-Up, 6GR1-Up)
D7R II (ACS1-Up, BRP1-Up, ADW1-Up, BPK1-Up, AFG1-Up, BRM1-Up, AGN1-Up, BPT1-Up, ABJ1-Up, BNX1-Up)
D8R II (6YZ1-Up, AKA1-Up)
572R (2HZ1-Up, AAC1-Up)
Component Codes: 3065, 3073, 3074, 3083
SUBJECT: TRANSMISSION PRESSURE CONTROL VALVE MANIFOLD
PROBLEM:
Interference may occur between a bolt in the transmission relief valve group and a bolt used to mount the inlet and outlet elbow to the valve group body. See the following illustrations.
Illustration 1
Illustration 2
The center bolt (2B-2695) shown as item 12 in illustration 1 may interfere with the center bolt in the transmission relief valve group as shown as item 12 in illustration 2.
SOLUTION:
Replaces bolt (2B-2695) with a shorter the bolt (0S-1617).
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