784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train Caterpillar


Transmission Hydraulic Control

Usage:

785C 1HW



Illustration 1g01435099

Top view




Illustration 2g01435100

View A-A


NOTICE

Do not use any caustic (corrosive) materials in order to clean any parts of this group. Caustic materials will cause corrosion and damage to the parts.


(2) Refer to Specifications, "Solenoid Valve (Transmission)".

(3) The notch on the connector for the wiring harness should face upward. The centerline of the notch on the connector should be parallel with the mounting face of the switch.

(4) Torque for the four bolts that are marked with an "X" ... 48 ± 4 N·m (35 ± 3 lb ft)

(5) Torque for five bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

(6) Torque for bolt ... 48 ± 4 N·m (35 ± 3 lb ft)

(7) Torque for bolt ... 30 ± 4 N·m (22 ± 3 lb ft)

(8) Torque for two bolts ... 48 ± 4 N·m (35 ± 3 lb ft)

(9) Lubricate the sealing lip with a small amount of the lubricant that is being sealed.

Before you install the lip seal, put a coat of 7M-7260 Liquid Gasket on the sealing bore. Allow the liquid gasket to dry before you install the seal. Do not put any liquid gasket on the lip seal. Install the seal so that the seal lip faces the inside of the component.

(10) Torque for two bolts ... 48 ± 4 N·m (35 ± 3 lb ft)

(11) Transmission Gear Switch

(12) Refer to Specifications, "Lubrication Relief Valve (Transmission)".

Installation torque ... 41 ± 7 N·m (30 ± 5 lb ft)



Illustration 3g01435102

3T-0289 Valve

(13) 3T-0289 Valve

All of the valves in this group must be tested as a unit. All of the valves in this group must be assembled into the transmission as a unit. Individual parts of this unit may not be interchanged at any time after the unit has been tested. During repair service, individual parts of this group will be furnished.

(14) Refer to Specifications, "Pressure Control Valve (Transmission)".

(15) Refer to Specifications, "Selector and Pressure Control Valve (Transmission)".

(16) Refer to Specifications, "Rotary Actuator (Transmission)".

(17) Torque for two bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

(18) Torque for 12 bolts ... 30 ± 4 N·m (22 ± 3 lb ft)

Caterpillar Information System:

784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train Transmission Planetary
C-9 Engines for Caterpillar Built Machines Speed/Timing Sensor
784C and 785C Off-Highway Truck/Tractors Air System and Brakes Gear Pump (Torque Converter, Parking Brake Release, and Pulled Unit Brake Cooling)
Caterpillar<COMP-BREAK TAGNAME=cp850>©<COMP-RESUME> AP-650B and Barber-Greene<COMP-BREAK TAGNAME=cp850>©<COMP-RESUME> BG-225C Asphalt Pavers Hopper Cylinder Bearings - Lubricate
Caterpillar<COMP-BREAK TAGNAME=cp850>©<COMP-RESUME> AP-650B and Barber-Greene<COMP-BREAK TAGNAME=cp850>©<COMP-RESUME> BG-225C Asphalt Pavers Fuel Tank Water and Sediment - Drain
Caterpillar<COMP-BREAK TAGNAME=cp850>©<COMP-RESUME> AP-650B and Barber-Greene<COMP-BREAK TAGNAME=cp850>©<COMP-RESUME> BG-225C Asphalt Pavers Fuel Tank Cap and Strainer - Clean
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Hydraulic System Pilot Hydraulic System
3500 Engines for Caterpillar Built Generator Sets Fuel Injection Control Linkage
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train Hydraulic Tank (Torque Converter, Hoist, Brake, and Transmission) Mounting
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Braking System Parking Brake - Test
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Braking System Parking Brake - Manual Release
3054 Engine Cylinder Head
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Braking System Service Brake Wear Indicator (Existing Brake Disc) - Check
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Power Train Transmission Planetary
3054 Engine Camshaft
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Hydraulic System Vane Pump
3054 Engine Gear Group (Front)
3126B Industrial Engine Refrigerant Compressor
793B Off-Highway Truck Ether Starting Aid
793C and 793C XQ Off-Highway Truck Power Train Final Drive
Caterpillar<COMP-BREAK TAGNAME=cp850>©<COMP-RESUME> AP-650B and Barber-Greene<COMP-BREAK TAGNAME=cp850>©<COMP-RESUME> BG-225C Asphalt Pavers Hydraulic Screed Counterbalance System
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train Pressure Control Valve (Transmission)
793B Off-Highway Truck Brake Retract Switch
3054 Engine Housing (Front)
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.