768C TRACTOR & 769C TRUCK HYDRAULIC SYSTEM Caterpillar


Hydraulic Pump (9J1295)

Usage:

Rotation is clockwise when seen from drive end.

Type of pump: Gear.

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

Test at Full Speed:

Output ... 78.0 U.S. gpm(295 litre/min)

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

with pump at ... 2000 rpm

with engine at ... 2000 rpm

Output ... 76.0 U.S. gpm(288 litre/min)

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

with pump at ... 2000 rpm

with engine at ... 2000 rpm

Test at Half Speed:

Output ... 39.0 U.S. gpm(148 litre/min)

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

with pump at ... 1000 rpm

with engine at ... 1000 rpm

Output ... 37.0 U.S. gpm(140 litre/min)

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

with pump at ... 1000 rpm

with engine at ... 1000 rpm

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

Caterpillar Information System:

768C TRACTOR & 769C TRUCK HYDRAULIC SYSTEM Introduction
768C TRACTOR & 769C TRUCK SUSPENSION CYLINDERS Testing And Adjusting
768C TRACTOR & 769C TRUCK SUSPENSION CYLINDERS Systems Operation
768C TRACTOR & 769C TRUCK SUSPENSION CYLINDERS Rear Suspension Cylinders (5J6572)
768C TRACTOR & 769C TRUCK SUSPENSION CYLINDERS Front Suspension Cylinders (9J5476)
768C TRACTOR & 769C TRUCK SUSPENSION CYLINDERS Introduction
768C TRACTOR & 769C TRUCK AIR SYSTEM AND BRAKES Testing And Adjusting
768C TRACTOR & 769C TRUCK AIR SYSTEM AND BRAKES Systems Operation
768C TRACTOR & 769C TRUCK AIR SYSTEM & BRAKES Air Pressure Switch (4D4785)
768C TRACTOR & 769C TRUCK AIR SYSTEM & BRAKES Air Pressure Switch (7N1062)
768C TRACTOR & 769C TRUCK AIR SYSTEM & BRAKES Air Reservoir Relief Valve (6B9664)
768C TRACTOR & 769C TRUCK AIR SYSTEM & BRAKES Air Compressor Governor
768C TRACTOR & 769C TRUCK HYDRAULIC SYSTEM Filter (Part of Hydraulic Tank)
768C TRACTOR & 769C TRUCK HYDRAULIC SYSTEM Control Valve (3G2930)
768C TRACTOR & 769C TRUCK HYDRAULIC SYSTEM Control Linkage
768C TRACTOR & 769C TRUCK HYDRAULIC SYSTEM Pump Drive
768C TRACTOR & 769C TRUCK HYDRAULIC SYSTEM Hoist Cylinder (769C Truck) (9J4149)
768C TRACTOR & 769C TRUCK HYDRAULIC SYSTEM Systems Operation
768C TRACTOR & 769C TRUCK HYDRAULIC SYSTEM Testing And Adjusting
769C TRUCK VEHICLE SYSTEMS Body Support (FT1437)
769C TRUCK VEHICLE SYSTEMS Cab Front Cover
769C TRUCK VEHICLE SYSTEMS Cab Rear Cover
769C TRUCK VEHICLE SYSTEMS Front Tire And Rim
769C TRUCK VEHICLE SYSTEMS Front Wheel Bearings And Duo-Cone Seal (Earlier)
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