797 Off-Highway Truck Braking System Caterpillar

Illustration 1	g00775880

Illustration 2	g00887880

(1) Control valve (Traction control valve)

Final installation torque for the control valve (traction control valve) ... 47 ± 7 N·m (35 ± 5 lb ft)

(2) Pressure reducing valve (Pilot oil)

Final installation torque for the pressure reducing valve (pilot oil) ... 38 ± 3 N·m (28 ± 2 lb ft)

Note: Refer to the Braking System Specifications, "Pressure Reducing Valve (Pilot Oil)" for additional information.

(3) Relief valve (Brake pump)

Final installation torque for the relief valve (brake pump) ... 102 ± 7 N·m (75 ± 5 lb ft)

Note: Refer to the Braking System Specifications, "Relief Valve (Brake Pump)" for additional information.

(4) Solenoid valve (Brake oil diverter)

Final installation torque for the solenoid valve (brake oil diverter) ... 108 ± 7 N·m (80 ± 5 lb ft)

Note: At final installation, the coils must be horizontally upright or vertically upright.

Note: Refer to the Braking System Specifications, "Solenoid Valve (Brake Oil Diverter)" for additional information.

(5) Solenoid valve (Brake accumulator purge)

Final installation torque for the solenoid valve (brake accumulator purge) ... 50 ± 5 N·m (37 ± 4 lb ft)

Note: At final installation, the coils must be horizontally upright or vertically upright.

Note: Refer to the Braking System Specifications, "Solenoid Valve (Brake Accumulator Purge)" for additional information.

(6) Valve (Unloader)

Final installation torque for the valve (unloader) ... 102 ± 7 N·m (75 ± 5 lb ft)

(7) Relief valve (Brake accumulator)

Note: Refer to the Braking System Specifications, "Relief Valve (Brake Accumulator)".

(8) Orifice

Final installation torque for the orifice ... 17 ± 4 N·m (13 ± 3 lb ft)

(9) Valve (Unloader)

Final installation torque for the valve (unloader) ... 102 ± 7 N·m (75 ± 5 lb ft)

(10) Check valve (Pump standby)

Final installation torque for the check valve (pump standby) ... 102 ± 7 N·m (75 ± 5 lb ft)

(11) Check valve (Parking brake)

Final installation torque for the check valve (parking brake) ... 102 ± 7 N·m (75 ± 5 lb ft)

Note: Refer to the Braking System Specifications, "Check Valve (Parking Brake)" for additional information.