HOSE AS 4Z9240 - Caterpillar

Illustration 1 g00288837
Drive gear (typical example)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. See the following specifications for the proper torque values.Note: Identify the manufacturer of the air compressor for your particular application.Bendix Air CompressorsTapered shaftTorque the nut for the air compressor crankshaft (1) to the following torque when the air compressor crankshaft is tapered. 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. Torque the nut for the air compressor crankshaft again to 160 15 N m (118 11 lb ft).Straight shaftTorque the nut for the air compressor crankshaft (1) to the following torque when the air compressor crankshaft is straight. 460 60 N m (340 44 lb ft)Wabco 250 Air CompressorsTorque the nut for the air compressor crankshaft (1) to the following torque. 150 5 N m (111 4 lb ft) Place an index mark on the nut and turn an additional 60 5 degrees.