583T Pipelayer Hydraulic System Caterpillar

Illustration 1	g02126119
(11) Supply port for the fan drive motor, forward rotation. (12) Return port for the fan drive motor, forward rotation. (15) Return port (18) Supply port

(3) Torque for six O-ring plugs ... 34 N·m (300 lb in)

(4) Torque for the check valve ... 9.5 N·m (85 lb in)

(5) Torque for the locknut ... 12 N·m (106 lb in)

(6) 166-8498 Relief Valve Gp for the hydraulic fan motor in forward rotation

Torque for installing the relief valve ... 50 N·m (37 lb ft)

Relief valve pressure setting at 4 L/min (1 US gpm) ... 20700 ± 600 kPa (3000 ± 85 psi)

(7) 128-2780 Check Valve Gp

Torque for installing the two check valves ... 100 N·m (75 lb ft)

Cracking pressure ... 10 kPa (1.5 psi)

(8) Torque for two diverter valves ... 85 N·m (65 lb ft)

(9) Torque for two O-ring plugs. ... 70 N·m (50 lb ft)

(10) Torque for 11 plugs ... 5.5 N·m (50 lb in)

(13) Torque for the locknut that retains the coil ... 9.0 ± 0.5 N·m (80 ± 4 lb in)

(14) 152-8340 Solenoid Valve Gp

Torque for installing the solenoid valve ... 108 ± 7 N·m (80 ± 5 lb ft)

Operating voltage ... 24 VDC

Resistance at 25 ± 5 °C (77 ± 41 °F) ... 32.6 ± 1.6 Ohms

(16) 166-8498 Relief Valve Gp for the fan drive motor in reverse rotation

Torque for installing the relief valve ... 50 N·m (37 lb ft)

Relief valve pressure setting ... 20700 ± 600 kPa (3000 ± 85 psi)

(17) 166-8498 Relief Valve Gp for supply oil

Torque for installing the two relief valves ... 50 N·m (37 lb ft)

Relief valve pressure setting ... 20700 ± 600 kPa (3000 ± 85 psi)