Caterpillar Excavator 336E

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

Install seal (34) and piston actuator (33). Lubricate the surfaces of piston actuator (33) with lubricant that is being sealed.

Install backup ring (32) and seal (31).

Install cover (30) and bolts (29).

Tighten bolts (29) to a torque of 28 ± 7 N·m (21 ± 5 lb ft).

Lip Seal and Retaining Ring Installation

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

Remove all compounds, oil, and dust before assembly

Install final drive and travel motor

Install final drive and travel motor in the reverse order of removal

Tighten bolts (9) to a torque of 80 ± 8 N·m (60 ± 6 lb ft)

Apply Tooling (C) to the threads of bolt (8)

Tighten bolts (8) to a torque of 250 ± 25 N·m (184 ± 18 lb ft) and turn an additional angle of 45 ± 5 degrees

Refer to Service Magazine, M0083843, for detailed bolt tightening procedure

Tighten hose assembly (3) to a torque of 160 ± 16 N·m (120 ± 12 lb ft)

Ensure all work tools are lowered to the ground

Verify hydraulic oil is cool before starting

Ensure oil filler cap is cool to touch before removal

Refer to Operation and Maintenance Manual for oil change procedures

Ensure the following components are removed

Attach Tooling (A) and a suitable lifting device to cover (2).

Remove bolts (1) and cover (2).

Remove plate (3) from cover (2).

Remove the following components

Apply Tooling (D) to the surface of dowels (46)

Roller Bearing Installation on Motor Housing

Raise the temperature of roller bearing (47)

Install the roller bearing (47) on motor housing (48)

Bearing Races Installation in Sprocket Housing

Lower the temperature of bearing races (43)