Caterpillar Excavator 336F

Warning: Ensure you are wearing appropriate PPE before starting the assembly process.

O-ring seal (35) installed onto the housing of the travel motor

Seal (34) and piston actuator (33) installed and lubricated

Backup ring (32) and seal (31) installed

Cover (30) and bolts (29) installed and tightened to a torque of 28 ± 7 N·m (21 ± 5 lb ft)

Tooling (G) applied to the mating surface of lip seal (28)

Lip seal (28) installed using Tooling (E) and lubricated

Retaining ring (27) installed using Tooling (F)

Start By: a. Remove the travel motor.

Fasten the travel motor in Tooling (A) in a vertical position.

Put an alignment mark across the head and the body of the travel motor for assembly purposes.

WARNING: Personal injury can result from being struck by parts propelled by a released spring force. Make sure to wear all necessary protective equipment. Follow the recommended procedure and use all recommended tooling to release the spring force.

Remove head (2) from the body of the travel motor.

Remove O-ring seal (3), port plate (4), and bearing (5).

Remove O-ring seals (6). Remove springs (7).

Place a shop towel over brake piston (8). Retain brake piston (8) with Tooling (B). Apply approximately 525 kPa (75 psi) of shop air pressure to brake release Port (Y). Make sure that the shop air pressure is free of water. Brake piston (8) will move up the piston guide, and out of the piston guide. Remove brake piston (8) from the body of the travel motor.