WINDOW AS-DOOR 4484982 - Caterpillar

To prevent possible personal injury, do not disconnect any air lines from the air compressor until the air pressure in the system has been released.
1. Release the pressure in the air system. 2. Disconnect tube assembly (3) from the air compressor.3. Disconnect tube assembly (4) from the air compressor.4. Disconnect the two hose assemblies from locations (6) on the power steering pump.5. Disconnect the tube assembly at air inlet port (8).6. Disconnect the tube assembly at air outlet port (9).7. Disconnect the clip and hose assembly (7) at the air compressor.8. Remove two bolts (2) and the washers that hold the air compressor to the cylinder block.9. Fasten a lifting strap and a hoist to air compressor (1).10. Remove two bolts (5) and the washers that hold the air compressor to the front housing. Remove the air compressor and gasket from the front housing. The weight of the air compressor is 26 kg (57 lb).11. Remove the nut and washer that hold the drive gear to the air compressor. Remove the drive gear. The following steps are for the installation of the air compressor.12. Check the condition of the gasket used between the air compressor and front housing. If the gasket is damaged, use a new part for replacement.13. Put the drive gear in position on the air compressor, and install the washer and nut that hold it. Tighten the nut to a torque of 160 15 N m (120 11 lb ft).14. Put the gasket in position on the air compressor. Fasten a lifting strap and a hoist to air compressor (1). Put the compressor in position in the front housing. Install two bolts (5) and the washers that hold the compressor to the front housing.15. Install two bolts (2) and the washers that hold the air compressor to the cylinder block. First, tighten the bolts finger tight; then tighten the bolts to a torque of 55 10 N m (41 7 lb ft).16. Connect hose assembly (7) to the air compressor. Connect the clip that holds the hose assembly to the air compressor. Tighten the bolt that holds the clip to a torque of 40 8 N m (30 6 lb ft).17. Connect the tube assembly to air outlet port (9).18. Connect the tube assembly to air inlet port (8).19. Connect the two hose assemblies at locations (6) on the power steering pump.20. Connect tube assemblies (3) and (4) to the air compressor.