768C TRACTOR & 769C TRUCK STEERING SYSTEM Caterpillar


Flow Control Valve Group 9J-5385 (Part Of 8W-9888 Steering Oil Lines Group)

Usage:

(1) 6E-1120 Pilot Operated Relief Valve:

Pressure setting ... 15 500 ± 170 kPa (2250 ± 25 psi)

With a flow of ... 265 ± 4 L/min (70 ± 1 U.S. gpm)

NOTE: Engine speed must be at high idle.

Install relief valve to a torque of ... 102 ± 7 N·m (75 ± 5 lb ft)

(2) Turn retainer assembly clockwise to increase pressure and counterclockwise to decrease pressure. One-quarter turn will change the pressure approximately ... 1260 kPa (185 psi)

(3) Tighten nut to a torque of ... 50 ± 7 N·m (37 ± 5 lb ft)

(4) Tighten cap to a torque of ... 102 ± 7 N·m (75 ± 5 lb ft)

(5) 8J-0322 Spring for relief valve:

Test length ... 36.8 mm (1.45 in)

Test force ... 137 ± 11 N (30.4 ± 2.4 lb)

Free length after test ... 42.1 mm (1.66 in)

Outside diameter ... 11.1 mm (.44 in)

(6) 8H-3532 Spring for flow valve:

Test length ... 25.4 mm (1.00 in)

Test force ... 88 to 103 N (19.8 to 23.2 lb)

Free length after test ... 42.1 mm (1.66 in)

Outside diameter ... 11.9 mm (.47 in)

(7) Hole in flow control orifice must be aligned with the holes in the valve body.

(8) 3F-8845 Spring for check valve:

Test length ... 21.4 mm (.84 in)

Test force ... 33 to 39 N (7.3 to 8.6 lb)

Free length after test ... 46.0 mm (1.81 in)

Outside diameter ... 15.9 mm (.62 in)

(9) 4J-7066 Spring for check valve:

Test length ... 51.6 mm (2.03 in)

Test force ... 18 ± 1 N (3.9 ± .3 lb)

Free length after test ... 76.2 mm (3.00 in)

Outside diameter ... 28.4 mm (1.12 in)

(10) Steering valve port.

(11) Steering valve return port.

(12) Tank port.

(13) Pump port.

(14) Supplemental steering port.

Caterpillar Information System:

768C TRACTOR & 769C TRUCK STEERING SYSTEM Gear Pump Groups 9T-9909 (Part Of 9D-8665 Gear Pump Group)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Introduction
768C TRACTOR & 769C TRUCK POWER TRAIN Testing And Adjusting
768C TRACTOR & 769C TRUCK POWER TRAIN Systems Operation
768C TRACTOR & 769C TRUCK POWER TRAIN Pressures And Shift Points For Torque Converter And Transmission
768C TRACTOR & 769C TRUCK POWER TRAIN Cab Mounting
768C TRACTOR & 769C TRUCK POWER TRAIN Tire Valve 4D-2004
768C TRACTOR & 769C TRUCK POWER TRAIN Rear Wheel Brake Group
768C TRACTOR & 769C TRUCK POWER TRAIN Rear Wheel Group 2G-5860
768C TRACTOR & 769C TRUCK POWER TRAIN Differential And Bevel Gear Group 9D-8935
768C TRACTOR & 769C TRUCK POWER TRAIN Rear Axle Housing
768C TRACTOR & 769C TRUCK POWER TRAIN Final Drive 6D-1520
768C TRACTOR & 769C TRUCK STEERING SYSTEM Flow Switch Assembly 109-4215 (Part Of 8W-9895 Wiring & Lighting Group)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Check Valve Group 9T-3097 (Part Of 8W-9888 Steering Oil Lines Group)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Relief Valve Group 3G-4667 (Part Of 8W-9888 Steering Oil Lines Group)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Steering Gear Group 8W-7227 (Part Of 8X-8282 (768C) And 8X-8281 (769C) Cab Arrangement)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Metering Pump Group 2G-8820 (Part Of 8W-7227 Steering Gear Group)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Electric Powered Supplemental Steering Pump 106-4151 (Part Of 8W-9889 Supplemental Steering Lines Group)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Filter And Tank Group 9J-7185 (Part Of 2G-0150 Hydraulic Tank Group)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Cylinder Group 9J-1287 (Part Of 9D-8920 Mounting & Cylinder Group)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Front Wheel Toe-In Alignment
768C TRACTOR & 769C TRUCK STEERING SYSTEM Drive Shaft Group 9D-6640 (For The 9D-7055 Pump Drive Group)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Pump Drive Group 9D-7055 (For The Transmission, Steering And Hoist Pumps)
768C TRACTOR & 769C TRUCK STEERING SYSTEM Front Wheel And Suspension Groups 6G-8240; 9D-9015 (Part Of 8W-9668 (768C) And 8W-9666 (769C) Chassis Arrangement)
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.