VALVE GP-PILOT 1423997 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Do not disconnect the air lines until the air pressure in the system is at zero. If hose is disconnected under pressure it can cause personal injury.
Loosen the purge valves, and release the air pressure in the air tank.
Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Illustration 1 g01078678
Disconnect hose (1) from air compressor (6) .
Disconnect hose assembly (2) from air compressor (6). If necessary, remove the elbow from the air compressor.
Disconnect hose assembly (3) and hose assembly (4).
Disconnect hose assembly (8) .
Remove nuts (5) .
Remove air compressor (6). Remove O-ring seal (7) from the air compressor.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01078678
Install O-ring seal (7) on air compressor (6) .
Position air compressor (6) and install nuts (5) .
Connect hose assembly (3) and hose assembly (4) .
Connect hose assembly (8) .
Connect hose assembly (2) to air compressor (6). Tighten the elbow on hose assembly (2) to a torque of 125 20 N m (92 15 lb ft).
Connect hose (1) to air compressor (6) .
Fill the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".