943 & 953 TRACK-TYPE LOADER POWER TRAIN Caterpillar

START BY:

a. remove hydrostatic power control unit

1. Remove eight bolts (1), and remove the flexible coupling.

2. Remove bolts (2). Remove joint assembly (3) from driver (4).

Install Flexible Coupling

1. Put joint assembly (1) in position on driver (2), and install the bolts and washers that hold the joint assembly in place. Tighten the bolts to a torque of 200 ± 25 N·m (150 ± 20 lb.ft.). Be sure the O-ring seal is in position on drive (2).

2. Put flexible coupling (3) in position on the flywheel, and install the eight bolts that hold it in place.

END BY:

a. install hydrostatic power control unit