PUMP GP-GEAR 3P1673 - Caterpillar

start by:a) remove parking brake chamber assembly ** The parking brake chamber assembly does not have to be removed. See this operation to disconnect the parking brake linkage. 1. Remove bolts (1) and drum (2). 2. Remove bolt (5), retainer (4) and flange assembly (3). 3. Remove bolts (6) and remove the parking brake group and the lever assembly. 4. Use tool (A) to remove springs (8). Remove brake shoes (7) from plate assembly (9).Install Parking Brake
1. Connect brake shoes (2) together with spring (4).2. Put brake shoes (2) in position on plate assembly (3).3. Use tool (A) to install two springs (1). 4. Put lever assembly (5) and the brake group in position on the output transfer gears case and install the four bolts and lockwashers to hold them. 5. Install flange assembly (6), retainer (7) and bolt (8). Tighten the bolt to a torque of 80 5 lb.ft. (110 7 N m). 6. Put drum (9) in position on the flange assembly and install the bolts to hold it.7. Connect the parking brake chamber assembly to the lever assembly. See INSTALL PARKING BRAKE CHAMBER ASSEMBLY for the operation.8. Adjust the parking brake. See CONTROL VALVE FOR PARKING BRAKE in TESTING AND ADJUSTING section for this adjustment.