ALTERNATOR GROUP 9L5929 - Caterpillar

Illustration 1 g00281216
The rotation of the shaft is counterclockwise when the rotation of the shaft is viewed from the drive end. (1) Section for Steering System (Shaft End)Type of Pump: Variable Displacement (Piston)For the test, use SAE 10W oil that is at 65°C (150°F).Test At Full Speed: Output ... 101 L/min (26.7 US gpm) Pressure ... 690 kPa (100 psi) Pump speed ... 2600 rpm Engine speed ... 2390 rpm Output ... 95 L/min (25.1 US gpm) Pressure ... 6900 kPa (1000 psi) Pump speed ... 2600 rpm Engine speed ... 2390 rpmTest At Half Speed: Output ... 50.5 L/min (13.34 US gpm) Pressure ... 690 kPa (100 psi) Pump speed ... 1300 rpm Engine speed ... 1195 rpm Output ... 48 L/min (12.7 US gpm) Pressure ... 6900 kPa (1000 psi) Pump speed ... 1300 rpm Engine speed ... 1195 rpmMaximum system pressure with the pump at rated speed ... 22800 350 kPa (3305 50 psi)Maximum standby pressure ... 4700 kPa (680 psi)Margin pressure at a flow rate of 41 L/min (10.8 US gpm) ... 2500 100 kPa (365 15 psi) (2) Torque for the four bolts ... 7.5 0.5 N m (66.50 4.50 lb in) (3) Section for Hydraulic System (Center Section) (4) Section for Brake System (Cover End) (5) Torque for the eight bolts ... 20 1 N m (15 1 lb ft) (6) Torque for the six bolts ... 33 2 N m (25 2 lb ft)Note: For more information about the specifications for the brake pump, refer to Service Manual module, SENR6791, "938G Wheel Loader And IT38G Integrated Toolcarrier, Brake System Specifications".Note: For more information about the specifications for the hydraulic pump, refer to Service Manual module, SENR6794, "938G Wheel Loader And IT38G Integrated Toolcarrier, Hydraulic System Specifications".