416E, 420E and 430E Backhoe Loaders Hydraulic and Steering System Caterpillar

Illustration 1	g01625536
(3) Control valve group

Type ... Variable piston pump

Rotation ... Clockwise

Maximum displacement per revolution ... 60 cc (3.66 in³)

Approximate pump capacity at a speed of 2200 rpm and at a pressure of 6900 kPa (1000 psi) with SAE 10 W oil at 65 °C (150 °F) ... 132 L/min (34.9 US gpm)

Maximum standby pressure ... 3800 kPa (551 psi)

Margin pressure at 2200 rpm ... 2200 ± 100 kPa (319.0 ± 14.5 psi)

Pressure cutoff at zero flow ... 27500 ± 350 kPa (3988.0 ± 50.0 psi)

(1) Torque for four bolts ... 6 to 8 N·m (55 to 70 lb in)

(2) Torque for two lock screws ... 8 to 10 N·m (70 to 90 lb in)

(4) Torque for four bolts ... 85 to 105 N·m (65 to 75 lb ft)