768C TRACTOR & 769C TRUCK STEERING SYSTEM Caterpillar

Hydraulic Pump (9J1297)

Usage:

Rotation is counterclockwise when seen from drive end.

Type of pump: Gear.

For test, use SAE 10W oil at 65°C (150°F).

Test at Full Speed:

Output ... 163 liter/min (43 U.S. gpm)

at a pressure of ... 690 kPa (100 psi)

with pump at ... 2000 rpm

with engine at ... 2000 rpm

Output ... 157 liter/min (41.5 U.S. gpm)

at a pressure of ... 6900 kPa (1000 psi)

with pump at ... 2000 rpm

with engine at ... 2000 rpm

Test at Half Speed:

Output ... 79 liter/min (21 U.S. gpm)

at a pressure of ... 690 kPa (100 psi)

with pump at ... 1000 rpm

with engine at ... 1000 rpm

Output ... 72 liter/min (19 U.S. gpm)

at a pressure of ... 6900 kPa (1000 psi)

with pump at ... 1000 rpm

with engine at ... 1000 rpm

Torque for bolts (eight) ... 115 ± 7 N·m (85 ± 5 lb.ft.)

Caterpillar Information System:

768C TRACTOR & 769C TRUCK STEERING SYSTEM Introduction

768C TRACTOR & 769C TRUCK POWER TRAIN Differential And Carrier

768C TRACTOR & 769C TRUCK POWER TRAIN Rear Axle Housing And Differential

768C TRACTOR & 769C TRUCK POWER TRAIN Stabilizer Rod

768C TRACTOR & 769C TRUCK POWER TRAIN Transmission

768C TRACTOR & 769C TRUCK POWER TRAIN Transfer Gears

768C TRACTOR & 769C TRUCK POWER TRAIN Transmission And Transfer Gears

768C TRACTOR & 769C TRUCK POWER TRAIN Transmission Hydraulic Control Valves

768C TRACTOR & 769C TRUCK POWER TRAIN Transmission Electronic Speed Sensor

768C TRACTOR & 769C TRUCK POWER TRAIN Transmission Charging Pump

768C TRACTOR & 769C TRUCK POWER TRAIN Torque Converter Inlet And Outlet Relief Valves

768C TRACTOR & 769C TRUCK POWER TRAIN Torque Converter Outlet Relief Valve

768C TRACTOR & 769C TRUCK STEERING SYSTEM Supplemental Steering Pump (2G6158)

768C TRACTOR & 769C TRUCK STEERING SYSTEM Flow Control Valve (9J5385)

768C TRACTOR & 769C TRUCK STEERING SYSTEM Steering Metering Valve (2G8820)

768C TRACTOR & 769C TRUCK STEERING SYSTEM Steering Gear Group

768C TRACTOR & 769C TRUCK STEERING SYSTEM Filter

768C TRACTOR & 769C TRUCK STEERING SYSTEM Crossover Relief Valve (3G4667)

768C TRACTOR & 769C TRUCK STEERING SYSTEM Steering Cylinder (9J1287)

768C TRACTOR & 769C TRUCK STEERING SYSTEM Drive Shaft For Pump Drive

768C TRACTOR & 769C TRUCK STEERING SYSTEM Transmission, Steering And Hoist Oil Pump Drive (9D7055)

768C TRACTOR & 769C TRUCK STEERING SYSTEM Front Axle And Wheel

768C TRACTOR & 769C TRUCK STEERING SYSTEM Tire Valve (4D2004)

768C TRACTOR & 769C TRUCK STEERING SYSTEM Front Wheel Toe-In Alignment