HARNESS ASSEMBLY-ENGINE 1643733 - 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 g00484206
Typical example
Disconnect hose assemblies (1), (2) and (9) from the air compressor. Remove tube assembly (4) from the air compressor.
Remove bolt (5) and the washer. Remove clamp (7) from tube assembly for the breather. Move the tube assembly for the breather aside.
Remove bolts (3) and the washers that hold the air compressor to the timing gear housing.
Remove bolts (6) and remove air compressor (8) and the gasket from the engine. Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 4C-4030 Thread Lock Compound 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Check the condition of the gaskets and O-ring seals. If gaskets or O-ring seals are damaged, use new parts for replacement.
Illustration 2 g00484206
Typical example
Use bolts (3) and the washers to install air compressor (8). Apply Tooling (A) to the threads of bolts (6). Torque bolts (6) to 160 30 N m (118 22 lb ft).
Install clamp (7) for the tube assembly for the breather with bolt (5) and the washer.
Install tube assembly (4) and connect hose assemblies (9), (2) and (1) to air compressor (8).