HOSE AS 2274172 - Caterpillar

Removal Procedure
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.
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Remove the air pressure from the air tank and drain the coolant from the cooling system.
Illustration 1 g00989448
Disconnect the air lines from the air compressor. Disconnect the coolant hose (1) and the coolant hose (2) from the air compressor.
Disconnect the oil supply tube assembly (3) from the air compressor. If necessary, remove the adapter for the oil supply tube assembly from the air compressor.
Remove the setscrews (4). Remove the setscrew (5). Remove the bracket (6) that supports the air compressor.
Illustration 2 g00947132
Remove the nut (7) from the front side of the front housing. Remove the nut (11). Carefully remove the air compressor from the front housing. Remove the O-ring seal (10) from the air compressor. Discard the O-ring seal.
If necessary, remove the nut (8) from the air compressor crankshaft. Remove the air compressor drive gear (9). Installation 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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Illustration 3 g00989449
If necessary, position the air compressor drive gear (9) on the air compressor crankshaft. Install the nut (8). Tighten the nut to a torque of 120 N m (89 lb ft).
Remove the setscrews (14) and remove the cover (12) from the mounting bracket.
Install a new O-ring seal (10) on the air compressor. Lubricate the O-ring seal with clean engine oil. Align the mounting studs with the air compressor and the front housing. Slide the air compressor into the front housing. Rotate the crankshaft of the air compressor in a clockwise direction in order to align the air compressor drive gear and the idler gear for the air compressor. Carefully push the air compressor against the front housing.
Install a new O-ring seal (13) and the cover (12) on the air compressor. Install the setscrews (14).
Install the nut (11) and the nut (7) in order to secure the air compressor to the front housing. Tighten the nuts to a torque of 75 N m (55 lb ft).
Illustration 4 g00989448
Position the bracket (6)