VALVE GP-CONTROL 9J0717 - Caterpillar

Problem
The front bevel gear and pinion may not have as long a service life as desired on certain 988B Wheel Loaders with custom modified torque converters. A new bevel gear and pinion can be installed.
Affected Product
Model & Identification Number
988B (50W8168,50W8187,50W8194,50W8201,50W8247,50W8309,50W8338,50W8344,50W8352,50W8379,50W8471,50W8492,50W8494,50W8501,50W8503,50W8519,50W8521,50W8523,50W8525,50W8531,50W8547,50W8551,50W8630,50W8720,50W8728,50W8739,50W8761,50W8763,50W8773,50W8787,50W8796,50W8798,50W8828,50W8830,50W8861,50W8898,50W8900,50W8909,50W8917,50W8935,50W8936,50W8950,50W8970,50W8987,50W9017,50W9043,50W9046,50W9052,50W9061,50W9084,50W9085,50W9092,50W9094,50W9099,50W9105,50W9109,50W9152,50W9160,50W9175,50W9176,50W9244,50W9253,50W9276,50W9282,50W9285,50W9317,50W9343,50W9351,50W9361,50W9369,50W9399,50W9401,50W9405,50W9410,50W9414,50W9424,50W9430,50W9457,50W9476,50W9478,50W9500,50W9503-9505,50W9543,50W9545,50W9568,50W9572,50W9575,50W9578,50W9580,50W9593,50W9596,50W9600,50W9602,50W9606,50W9607,50W9648,50W9695,50W9698,50W9700,50W9703,50W9705,50W9706,50W9709,50W9720,50W9721,50W9724,50W9728,50W9731,50W9753,50W9760,50W9767,50W9768,50W9770,50W9773,50W9787,50W9830,50W9832,50W9926,50W9935,50W9938,50W9956,50W9957,50W9996,50W9997,50W10012,50W10013,50W10015,50W10020,50W10034,50W10041,50W10051,50W10066,50W10070,50W10071,50W10074,50W10092,50W10109,50W10115,50W10124,50W10126,50W10127,50W10180,50W10183,50W10189,50W10200,50W10205,50W10206,50W10208,50W10219,50W10250,50W10253,50W10255,50W10260,50W10275,50W10323,50W10327,50W10329,50W10331,50W10333,50W10352,50W10354,50W10368,50W10370,50W10372,50W10381,50W10387,50W10409,50W10411,50W10412,50W10426,50W10429,50W10431,50W10440,50W10453,50W10463,50W10479,50W10494,50W10497,50W10500,50W10503,50W10516,50W10517,50W10519,50W10529,50W10537,50W10543,50W10551,50W10554,50W10557,50W10568,50W10662,50W10663)
Parts Needed
1 - 4B9373 Cone1 - 4B9374 Cup1 - 2D6533 Seal1 - 2D8540 Seal1 - 3D8422 Seal1 - 2K4472 Seal1 - 2K5065 Cone1 - 9K2549 Shim Pack1 - 1P2694 Cone1 - 1P2695 Cup1 - 5P2523 Cone1 - 5P2525 Cup1 - 5P2526 Cup1 - 2Q1297 Pinion Group1 - 6W4750 NutAction Required
Follow the procedure in Special Instruction SEHS9140 "Installing The 2Z8836 Field Service Gear Group" and install the new bevel gear and pinion with the related parts listed.
Service Claim Allowances
This is a 30-hour job. An additional 5 hours will be allowed after a failure between 0 and 4000 hours. Between 4001 and 6000 hours an additional 2.5 hours will be allowed after a failure.
If there has been a previous repair in which the customer participated, part age will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.