RING-RETAINING 0339139 - Caterpillar

Illustration 1 g00880650
(A) Drive pump (B) Charge pumpDrive Pump
Illustration 2 g00880651
Relief Valve settings Main ... 44000 2000 kPa (6400 300 psi) Charge ... 2850 100 kPa (413 15 psi) (1) Tightening torque for fourteen bolts that are on the pump control valve ... 10.4 N m (7.7 lb ft) (2) Tightening torque for four bolts that are on the head ... 240 40 N m (177.0 29.5 lb ft) (3) Tightening torque for four bolts that are on the charge pump ... 100 20 N m (74 15 lb ft) (4) Apply 1U-8846 Anaerobic Flange Sealant to the housing when the head group is being installed.Rotation is counterclockwise when the rotation is viewed from the drive end.Type of pump: PistonFor the test, use SAE 10 oil that is at 65°C (150°F).Test at Full Speed: Output flow rate ... 153 L/min (40 US gpm) Pressure ... 690 kPa (100 psi) Pump speed ... 2200 rpm Engine speed ... 2000 rpm Output flow rate ... 149 L/min (38 US gpm) Pressure ... 6900 kPa (1000 psi) Pump speed ... 2200 rpm Engine speed ... 2000 rpmTest at Half Speed: Output flow rate ... 76 L/min (20 US gpm) Pressure ... 690 kPa (100 psi) Pump speed ... 1100 rpm Engine speed ... 1000 rpm Output flow rate ... 74 L/min (19 US gpm) Pressure ... 6900 kPa (1000 psi) Pump speed ... 1100 rpm Engine speed ... 1000 rpmCharge Pump
Illustration 3 g00592449
Rotation is counterclockwise when the rotation is viewed from the drive end.Type of pump: GearFor the test, use SAE 10 oil that is at 65°C (150°F).Test at Full Speed: Output flow rate ... 55 L/min (14.5 US gpm) Pressure ... 690 kPa (100 psi) Pump speed ... 2200 rpm Engine speed ... 2000 rpm Output flow rate ... 52 L/min (13.5 US gpm) Pressure ... 6900 kPa (1000 psi) Pump speed ... 2200 rpm Engine speed ... 2000 rpmTest at Half Speed: Output flow rate ... 28 L/min (7.5 US gpm) Pressure ... 690 kPa (100 psi) Pump speed ... 1100 rpm Engine speed ... 1000 rpm Output flow rate ... 25 L/min (6.5 US gpm) Pressure ... 6900 kPa (1000 psi) Pump speed ... 1100 rpm Engine speed ... 1000 rpm