156729-0500 ZEXEL 9 423 610 455 BOSCH LOCKING WASHER 9423610455 1567290500 1157493580

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 "PS5560" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
Termination Date
December 19, 1999Problem
The connection plate from the fuel injection pump lever may wear prematurely causing the return spring to disconnect on certain 312 Excavators. When the return spring disconnects, the fuel injection pump will no longer operate properly.
Affected Product
Model & Identification Number
312 (6BL112-1827)
CIPI Product (05A10771, 10798, 11808)
Parts Needed
1 - 5C2890 Nut1 - 8C3111 Rod End1 - 8T4971 Bolt1 - 9X8256 Washer1 - 1643187 PlateAction Required
See the attached Rework Procedures.
Service Claim Allowances
This is a 1-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Attach.(1-Rework Procedure)Rework Procedure
1. Disconnect return spring from 1190312 Plate.2. Remove the ball-joint from extremity of the governor cable, and replace it by 8C3111 Rod End.3. Remove 1190312 Plate, 9X8256 Washer and 8T4134 Nut. Keep 9X8256 Washer to be reused.4. To connect new 1643187 Plate together with injection pump lever and 8C3111 Cable Rod End, use 8T4971 Bolt, (2) 9X8256 Washers and 5C2890 Nut. See Illustration 1.5. Reconnect the return spring to 1643187 Plate.6. Perform an auto calibration through controller Service Mode, and readjust if necessary the cable tension, according to Hydraulics and Electronics "Testing & Adjusting" manual.
Illustration 1