SUPPLEMENT FOR 793B TRUCK ENGINE Caterpillar


Auxiliary Drive

Usage:

Remove & Install Auxiliary Drive

Start By:

a. remove steering pump *

b. remove all turbochargers with support group


*Refer to topic "Steering Pump/" in the Machine Systems Disassembly & Assembly Manual for this information.

1. Attach a hoist to the auxiliary drive group.

2. Remove twenty bolts (1).

3. Remove the auxiliary drive group from the engine. The weight of the auxiliary drive group is 85 kg (190 lb). Remove the gasket.

NOTE: The following steps are for the installation of the auxiliary drive group.

4. Install a new gasket.

5. Use a hoist to install the auxiliary drive group on the engine. Install twenty bolts (1).

a. install steering pump *

b. install all turbochargers with support group


*Refer to topic "Steering Pump/" in the Machine Systems Disassembly & Assembly Manual for this information.

Disassemble & Assemble Auxiliary Drive

Start By:

a. remove auxiliary drive.

1. Remove the bolts holding cover (1). Remove cover (1) and the gasket.

2. Remove cup plug (6).

3. Remove adapter assembly (7). Remove seal (5) and O-ring seal (3) from adapter assembly (7).

4. Remove twelve bolts and washers (2).

5. Hold gear (11) from the top while removing shaft assembly (9). Remove gear (11) out of the top.

6. Remove thrust washer (10) from shaft assembly (9). Remove the setscrew.

7. If necessary, remove sleeve bearings (4) and (8).

NOTE: The following steps are for the assembly of the auxiliary drive.

8. If removed, install new sleeve bearings (4) and (8).

9. Install thrust washer (10) to shaft assembly (9). Align and install the setscrew.

10. Insert gear (11) in the top. Install shaft assembly (9) through gear (11).

11. Install twelve bolts (2).

12. Install adapter assembly (7) with a new seal and O-ring seal. Lubricate the O-ring seal with clean engine oil.

13. Coat plug (6) with 7M7456 Bearing Mount. Install plug (6) to a depth of 1.25 ± 0.25 mm (.05 ± .01 in).

14. Install cover (1) and the gasket. Install the bolts holding cover (1).

End By:

a. install auxiliary drive

Caterpillar Information System:

SUPPLEMENT FOR 793B TRUCK ENGINE Flywheel
SUPPLEMENT FOR 793B TRUCK ENGINE Crankshaft Pulley & Vibration Damper
SUPPLEMENT FOR 793B TRUCK ENGINE Oil and Water Pump Drive
SUPPLEMENT FOR 793B TRUCK ENGINE Radiator Cores (Folded Core)
SUPPLEMENT FOR 793B TRUCK ENGINE Radiator
SUPPLEMENT FOR 793B TRUCK ENGINE Fan Drive
SUPPLEMENT FOR 793B TRUCK ENGINE Fan And Fan Guard
SUPPLEMENT FOR 793B TRUCK ENGINE Belt Tightener
SUPPLEMENT FOR 793B TRUCK ENGINE Aftercooler
SUPPLEMENT FOR 793B TRUCK ENGINE Exhaust Manifolds
SUPPLEMENT FOR 793B TRUCK ENGINE Exhaust Bypass Group 1057-010
SUPPLEMENT FOR 793B TRUCK ENGINE Turbochargers
SUPPLEMENT FOR 793B TRUCK ENGINE Valve Covers
SUPPLEMENT FOR 793B TRUCK ENGINE Unit Injectors
SUPPLEMENT FOR 793B TRUCK ENGINE Engine & Torque Converter
784B TRACTOR AND 785B OFF-HIGHWAY TRUCK POWER TRAIN Duo-Cone Seals (Conventional & Inverted)
784B TRACTOR AND 785B OFF-HIGHWAY TRUCK POWER TRAIN Rear Tires & Rims
784B TRACTOR AND 785B OFF-HIGHWAY TRUCK POWER TRAIN Rear Axle Shaft
784B TRACTOR AND 785B OFF-HIGHWAY TRUCK POWER TRAIN Final Drives, Rear Wheel Bearings & Duo-Cone Seals
784B TRACTOR AND 785B OFF-HIGHWAY TRUCK POWER TRAIN Rear Axle Housing (Spindle)
784B TRACTOR AND 785B OFF-HIGHWAY TRUCK POWER TRAIN Drive Shaft (Main)
784B TRACTOR AND 785B OFF-HIGHWAY TRUCK POWER TRAIN Torque Converter & Brake Pump
784B TRACTOR AND 785B OFF-HIGHWAY TRUCK POWER TRAIN Torque Converter
784B TRACTOR AND 785B OFF-HIGHWAY TRUCK POWER TRAIN Transmission Filters
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.