HOUSING AS 9U2861 - Caterpillar

Illustration 1 g00292317
(AA) Control piston (BB) Feedback lever (CC) Electrical displacement control valve (DD) Rotating group (EE) Head groupThe rotation of the shaft is counterclockwise when the rotation of the shaft is viewed from the drive end.Bench Test Specifications Minimum displacement per one revolution ... 0 cubic centimeters (0.0 cubic inches) Maximum displacement per one revolution ... 125 cubic centimeters (7.6 cubic inches) (1) override ... 39500 500 kPa (5750 74 psi) (2) Pressure setting for the forward crossover relief valve ... 43000 1000 kPa (6250 145 psi) (3) Pressure setting for the reverse crossover relief valve ... 43000 1000 kPa (6250 145 psi)Note: Checking of the reverse crossover relief valve or adjusting of the reverse crossover relief valve is not typically necessary.Note: Set the pressures at a pump speed of 2000 rpm. Use SAE 10W oil that is at 65°C (150°F).Current that is required for the swashplate to be in the minimum displacement position ... 200 mACurrent that is required for the swashplate to be in the maximum displacement position ... 600 mA 144-9084 Pump Head
Illustration 2 g01125958
(1) Torque for pressure compensator valve ... 50 N m (40 lb ft) (2) Torque for the orifice ... 7 N m (60 lb in) (3) Torque for the plug ... 100 N m (75 lb ft) (4) Torque for relief valve ... 200 10 N m (150 7 lb ft) (5) Apply 4C-4030 Thread Lock Compound to the threads of the plug prior to installation of the plug. (6) Torque for nut ... 12 N m (105 lb in) 246-3419 Pump Actuator
246-4717 Pump Control Valve
Illustration 3 g01125964
(1) 6E-4423 Spring Quantity ... 2 Free length ... 57.58 mm (2.267 inch) Outside diameter ... 33.14 mm (1.305 inch) (2) 119-0937 Spring Quantity ... 2 (3) 183-8419 Spacer Quantity ... 2 Thickness ... 8.00 mm (0.315 inch) Outside diameter ... 19.95 mm (0.785 inch) (4) 183-8419 Spacer Quantity ... 2 Thickness ... 7.85 mm (0.309 inch) Outside diameter ... 19.95 mm (0.785 inch) (5) 183-8420 Spacer Quantity ... 2 Thickness ... 7.90 mm (0.311 inch) Outside diameter ... 19.95 mm (0.785 inch) (6) 183-8421 Spacer Quantity ... 2 Thickness ... 7.95 mm (0.313 inch) Outside diameter ... 19.95 mm (0.785 inch) (7) 183-8423 Spacer Quantity ... 2 Thickness ... 8.05 mm (0.317 inch) Outside diameter ... 19.95 mm (0.785 inch) (8) 183-8424 Spacer Quantity ... 2 Thickness ... 8.10 mm (0.319 inch) Outside diameter ... 19.95 mm (0.785 inch) (9) 183-8425 Spacer Quantity ... 2 Thickness ... 7.75 mm (0.305 inch) Outside diameter ... 19.95 mm (0.785 inch) (10) 183-8426 Spacer Quantity ... 2 Thickness ... 7.80 mm (0.307 inch) Outside diameter ... 19.95 mm (0.785 inch) (11) 183-8427 Spacer Quantity ... 2 Thickness ... 8.20 mm (0.323 inch) Outside diameter ... 19.95 mm (0.785 inch) (A) Required distance achieved using spacer (3) through spacer (11). ... 11.84 0.09 mm (0.466 0.004 inch)Note: Install