VALVE GP-SOLENOID 3041142 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     132-5451     Holding Fixture     1    Note: Caterpillar may use air compressors that have a tapered shaft or a straight shaft. The torque for the nut on the air compressor crankshaft is different for each type of crankshaft.Note: Identify the manufacturer of the air compressor for your particular application.
Illustration 1 g01148907
Install air compressor drive gear (1) on the air compressor.
Install Tooling (A) on air compressor drive gear (1) .
Install nut (2) .Tapered Shaft on Bendix Air Compressor
Tighten nut (2) to a torque of 160 15 N m (118 11 lb ft).
Tap the gear axially with a soft faced hammer in order to seat the gear onto the tapered crankshaft.
Tighten the nut again to a torque of 160 15 N m (118 11 lb ft).Straight Shaft on Bendix Air Compressor
Tighten nut (2) to a torque of 460 60 N m (340 44 lb ft).Wabco 250 Air Compressor
Tighten nut (2) to a torque of 150 5 N m (111 4 lb ft).
Place an index mark on the nut and rotate nut (2) for an additional turn of 60 5 degrees.End By: Install the air compressor. Refer to Disassembly and Assembly, "Air Compressor - Remove and Install".