HOSE A. 3R9698 - Caterpillar

Removal Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Shut off the air supply at the air reservoir. Drain the pressurized air from the air starting system. The sudden release of pressurized air can cause personal injury.
Illustration 1 g00671068
Illustration 2 g00671069
Ensure that the air supply is shut off at the reservoir. Ensure that the air pressure is drained from the air starting system.
Disconnect the air supply line (1) and the gaskets from both of the air starting motors. Move the lines away from the motors. Check the gasket for damage.
Disconnect the air line (7) and the air line (9) from the nose housing of the starter pinion.
Remove the tube (8) from the two air starting motors.
Remove the bolt (5) from the front of the lower air start motor.
Fasten a suitable lifting device to the upper air starting motor (4).
Remove the four bolts (2).
Remove the air starting motor (4). The weight of the air starting motor is 54 kg (120 lb).
Fasten a suitable lifting device to the lower air starting motor (6).
Remove the four bolts (3).
Remove the air starting motor (6). The weight of the air starting motor is 54 kg (120 lb).