976041 Volvo.Penta O-ring

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7573     Link Bracket     1    
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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar 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 g00609682
Disconnect water hose (1) and water hose (3) from the air compressor.
Disconnect air hose (2) and oil hose (4) from the air compressor.
Install Tool (A) and a proper lifting device to the air compressor. The weight of the air compressor is approximately 23 kg (51 lb).
Remove the mounting bracket for a Midland EL-740 air compressor by using the following procedure:
Illustration 2 g00746917
Remove bolt (8) and the clip for the oil hose from the bracket for the air compressor.
Remove two bolts (5) and bolt (6) that fastens the bracket for the air compressor to the cylinder block. Remove bolt (7) and the spacer between the air compressor and the bracket for the air compressor. Remove the bracket for the air compressor.
Remove the mounting bracket for a Bendix Tu-Flo 550 and Bendix Tu-Flo 750 air compressors by using the following procedure:
Illustration 3 g00705242
Typical example
Remove bolts (9) that fasten the mounting bracket to the air compressor.
Remove bolts (10) that fasten the mounting bracket to the cylinder block. Remove the mounting bracket for the air compressor.
Illustration 4 g00705313
Use two technicians to support air compressor (12). Remove bolts (11), air compressor (12), and the gasket from the timing gear housing.Installation Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7573     Link Bracket     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 5 g00705313
Install Tool (A) and a proper lifting device to the air compressor. The weight of the air compressor is approximately 23 kg (51 lb).
Inspect the condition of the gasket. Replace the gasket, if necessary. Install the gasket between air compressor (12) and the timing gear housing.
Position air compressor (12) in the front housing. Ensure that the drive gear engages correctly with the gear in the front housing.
Apply 9S-3263 Thread Lock Compound to the threads of two bolts (11). Install two bolts (11). Tighten bolts (11) to a torque of 100 20 N m (75 15 lb ft).
Install the mounting bracket for a Midland EL-740 air compressor by using the following procedure: