HOSE 2147564 - Caterpillar

Illustration 1 g00320403
(1) AUTO lube tank (2) Air tank check valves (3) Drain valves (4) Primary air tank (5) Starter relay valve (6) Attachment shutters for the left cylinder and for the right cylinder (7) Attachment inversion valve (8) Solenoid valve for attachment shutters (9) Air relief valve for primary air reservoir (10) Starter solenoid valve (11) Air starting motor (12) Brake air relay valve (14) Air compressor with air compressor governor (15) Air dryer with an air relief valve (16) External air supply (17) Double check valves (18) Parking and secondary brake valve (19) Torque converter and front brake cooling diverter valve (20) Brake master cylinder (front) (21) Brake master cylinders (rear) (23) Solenoid valve for AUTO lube (24) Air system pressure protection valve (25) Service brake air control valve (26) Window wiper motor (27) Window wiper air control valve (28) Retarder air control valve (29) Secondary brake air control valve (30) Parking brake air control valve (31) Secondary air tank (32) Air horn (33) Automatic Retarder Control (ARC) valve (34) Horn valve (35) Cab wall (39) Gauge for brake air pressure (A) This is the brake air pressure switch. The brake air pressure switch monitors brake air pressure. The operator will be alerted to a condition of low air pressure. (B) This is the secondary brake and parking brake pressure switch. This pressure switch is normally open. The pressure switch is closed by air