GASKET 3930721 - Caterpillar

Illustration 1 g00601371
Rotation of the pump is counterclockwise when the pump is viewed from the drive end.Propel pump Type ... variable displacement Displacement ... 55 cc (3.35 in3) Pressure limiter setting ... 45000 kPa (6525 psi) (1) Charge pump Type ... gerotor Displacement ... 17 cc (1.03 in3) Charge pressure relief setting ... 2400 kPa (350 psi) (2) Charge filter Surge flow rate ... 132.6 L/min (35 US gpm) Filter element ... 10 micron (3) Charge relief valve Tighten the locknut to the following torque. ... 51 5 N m (37.5 3.5 lb ft) Relief valve pressure setting ... 2400 kPa (350 psi)Note: Use SAE 10W hydraulic oil for the bench test. The minimum temperature of the oil is 65 °C (149 °F)for the bench test.Test at full speed Output ... 120 L/min (31.7 US gpm) Pressure setting ... 690 kPa (100 psi) Pump speed ... 2420 rpm Engine speed ... 2200 rpm Output ... 119.6 L/min (31.6 US gpm) Pressure setting ... 6900 kPa (1000 psi) Pump speed ... 2420 rpm Engine speed ... 2200 rpmElectrical Displacement Control (EDC)
Illustration 2 g00581763
(1) Pressure Control Pilot (PCP) Type ... dual coil Maximum continuous voltage ... 7.5 VDC Current at threshold ... 14 3 mA Current at full stroke ... 85 18 mA Maximum input current ... 250 mA Resistance at 21 °C (70 °F) ... 26 OhmsNote: The PCP cover on the AP-1000B/BG-260C is filled with silicone oil.Combination Valve
Illustration 3 g00581178
(1) Tighten the bypass actuator nut to the following torque. ... 40 N m (30 lb ft) (2) Main relief valve pressure setting ... 45000 kPa (6530 psi) (3) Tighten the nut to the following torque. ... 16 N m (12 lb ft)