CIPI UNDERCARRIAGE Arrangements: 166-7047, 177-3011, 177-3553, 177-4279, 200-2995, 200-4060, 204-0808, 212-6225, 213-8653, 215-7227, 218-2237, 231-5143, 3Q-6638, 3Q-6641, 6Z-7749, 6Z-7751, 6Z-7857, 6Z-7890, 6Z-7926, 6Z-7938, 6Z-7992, 9Q-5034, 9Q-5042 Caterpillar

Illustration 1	g00744616

Bench test of 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 (5337 ± 215 psi)

(1) 114-0516 Spring

Free length ... 43.7 mm (1.72 inch)

Outside diameter ... 19.5 mm (0.77 inch)

Inside diameter ... 15.5 mm (0.61 inch)

(2) 114-0514 Spring

Free length ... 26.0 mm (1.02 inch)

Outside diameter ... 14.1 mm (0.56 inch)

Inside diameter ... 8.9 mm (0.35 inch)

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

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

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

(6) 119-5362 Spring

Free length ... 20.0 mm (0.79 inch)

Outside diameter ... 10.2 mm (0.40 inch)

Inside diameter ... 8.2 mm (0.32 inch)

(7) 129-7931 Spring

Free length ... 50.6 mm (1.99 inch)

Outside diameter ... 34.0 mm (1.34 inch)

Inside diameter ... 26.0 mm (1.02 inch)

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

(9) Torque for eight bolts ... 80 ± 8 N·m (60 ± 6 lb ft)

(10) Torque for six bolts ... 80 ± 8 N·m (60 ± 6 lb ft)