TUBE 1395217 - Caterpillar

Illustration 1 g01040355
(1) Pump control valve. (2) Pressure override valve. (3) Crossover relief and makeup valve for the forward direction. (4) Charge relief valve. (5) Crossover relief and makeup valve for the reverse direction. (6) Adjustment screw for the port plate. Rotation is clockwise when the pump is viewed from the drive end. Use SAE10W oil at a temperature of 82° 4°C (179.6° 7.2°F) in order to bench test the pump.Maximum output ... 90 cc/rev (5.5 in3/rev) (2) Pressure override valve ... 43000 1000 kPa (6250 150 psi) (3) Crossover relief and makeup valve for the forward direction ... 45500 kPa (6600 psi) (4) Charge relief valve Low engine idle is set to 1005 25 rpm. Relief pressure at low engine idle ... 2900 200 kPa (420 30 psi) High engine idle is set to 2320 50 rpm. Relief pressure at high engine idle ... 3150 200 kPa (455 30 psi) (5) Crossover relief and makeup valve for reverse direction ... 45500 kPa (6600 psi) (6) Distance for the adjustment screw for the port plate ... 29.00 0.01 mm (1.1417 0.0004 inch)
Illustration 2 g01040484
This illustration contains the pump control valve. Refer to pump control valve (1) in Illustration 1.Note: Apply 154-9731 Thread Lock Compound to the plug (7) . (8) Tighten to the following torque. ... 23 N m (17 lb ft) (9) Tighten to the following torque. ... 4 N m (35 lb in)