STARTING MOTOR GP-AIR 4W0697 - Caterpillar

Illustration 10 g00704128
Remove bellows (19) from the pilot valve.
Illustration 11 g00704131
Remove bolts (20).
Remove pilot valves (21).Installation Procedure
Illustration 12 g00704131Note: Make sure that the ports of the valve are in the correct position.
Install pilot valves (21).
Install bolts (20).
Illustration 13 g00704128
Install bellows (19) on the pilot valve.
Illustration 14 g00704123
Position right travel pedal (16) on the pilot valve. Install bolts (18). Tighten the bolts to a torque of 33 3 N m (25 3 lb ft).
Position left travel pedal (15) on the pilot valve. Install bolts (17). Tighten the bolts to a torque of 33 3 N m (25 3 lb ft).
Illustration 15 g00704120
Install rubber pedal (14).
Install rubber pedal (13).
Illustration 16 g01208315
Install rubber floor mat (12) around the travel pedals.
Illustration 17 g00704117
Install hydraulic fitting (10) in the pilot valve.Note: The bottom hydraulic fitting is the hydraulic fitting with the filter.
Install hydraulic fitting (11) in the pilot valve.
Illustration 18 g00704110
Install right travel pressure switch (9).
Install the harness assembly in the clip. Connect harness assembly (8).
Illustration 19 g00704108
Install left travel pressure switch (7).
Install the harness assembly in the clip. Connect harness assembly (6).
Illustration 20 g00704100
Connect hose assemblies (5) to the pilot valve. Tighten the hose assemblies to a torque of 37 4 N m (27 3 lb ft).
Illustration 21 g00704095Note: Make sure that the hose assemblies are connected in the correct locations.
Connect hose assemblies (4) to the pilot valve. Tighten the hose assemblies to a torque of 37 4 N m (27 3 lb ft).
Check the hydraulic system oil level.
Start the engine, and check the operation of the pilot valve. Also, check for leaks. Stop the engine.
Obtain a hydraulic oil sample from the main S O S port. Refer to Operation and Maintenance Manual, "Sampling Interval and Location of Sampling Valve".
If the S O S sample exceeds ISO 18/15, flush the hydraulic system. Refer to Contamination Control Guidelines, SEBF8436, "Hydraulic System Flushing Procedure for 320C Hydraulic Excavators".
Illustration 22 g00704086
Position cover (2) on the machine. Install the washers and bolts (1). Tighten bolts (3).