320C Material Handler Machine System Specifications Caterpillar

Illustration 1	g00101239

Bench test the relief valve:

Pressure setting ... 36300 ± 290 kPa (5260 ± 42 psi)

Input flow rate ... 220 L/min (58 US gpm)

Relief Valve pressure setting in machine ... 36800 ± 1470 kPa (5350 ± 215 psi)

(1) 114-0516 Spring

Free length ... 43.7 mm (1.72 inch)

Outside diameter ... 19.5 mm (0.77 inch)

(2) 114-0514 Spring

Free length ... 26.0 mm (1.02 inch)

Outside diameter ... 14.1 mm (0.56 inch)

(3) Torque for orifice ... 4.9 ± 1.0 N·m (43 ± 9 lb in)

(4) Torque for two relief valves ... 540 ± 50 N·m (400 ± 37 lb ft)

(5) Torque for two nuts ... 130 ± 13 N·m (95 ± 10 lb ft)

(6) Torque for two plugs ... 76 ± 8 N·m (55 ± 6 lb ft)

(7) 119-5362 Spring

Free length ... 20.0 mm (0.79 inch)

Outside diameter ... 10.2 mm (0.40 inch)

(8) 129-7931 Spring

Free length ... 50.6 mm (1.99 inch)

Outside diameter ... 34.0 mm (1.39 inch)

(9) Torque for two plugs ... 31 ± 3 N·m (23 ± 2 lb ft)

(10) Torque for six bolts ... 80 ± 8 N·m (59 ± 6 lb ft)

(11) Torque for eight bolts ... 80 ± 8 N·m (59 ± 6 lb ft)