PISTON 8S3557 - Caterpillar

Remove And Install Air Starter
1. Close the air pressure supply and drain the air pressure from the system. 2. Disconnect the air lines from starter (1). 3. Fasten a hoist to starter (1). Remove bolts (2) and remove the starter from the flywheel housing. The weight of starter (1) is 54 kg (120 lb.).4. Fasten a hoist to starter (1) and put it and the gasket in position. Install bolts (2) that hold the starter to the flywheel housing.5. Connect the air lines to starter (1) and open the air pressure supply to the system.Disassemble Air Starter
start by:a) remove air starter Make sure there is a complete set of new gaskets, vanes, seals and O-ring seals before the air starter is disassembled.1. Remove elbow (1) from cover assembly (2).2. Remove silencer group (4) from motor housing (3). 3. Make marks to show the position of motor housing (3) in relation to gear case (7) for assembly purposes. Remove bolts (5) to remove gear case (7) and drive housing (6) as a unit from motor housing (3). 4. Use tool (A) to remove ring (9) from drive gear (8). This air starter is a right hand model and bolt (10) has left hand threads. The bolt for a left hand model starter has right hand threads. 5. Remove bolt (10) and washer (11) to remove drive pinion (12), a sleeve and spring from the end of the drive shaft.6. Make marks to show the position of drive housing (6) in relation to gear case (7) for assembly purposes. Remove bolts (13) and remove drive housing (6) from gear case (7). 7. Remove O-ring seal (14) from drive housing (6).
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