SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Caterpillar


Timing Gear Cover

Usage:

Remove Timing Gear Cover

Start By:

a. remove air conditioning compressor

b. remove alternator

c. remove fan assembly

d. remove fan drive

e. remove automatic timing advance

f. remove oil pan

g. remove vibration damper and crankshaft pulley

h. remove water pump

i. remove engine front support

j. remove crankshaft front seal and wear sleeve

1. Disconnect clip (1) for the wiring harness.

2. Remove connector (2) from the clip.

3. Fasten tooling (A) and a hoist to the timing gear cover. The weight of the timing gear cover is 18 kg (40 lb).

4. Use tooling (B) to remove studs (3).

5. Move fuel overflow tube (4) out of the way.

6. Remove cover (5) and the gasket.

7. Disconnect all wiring harness clips from the timing gear housing, and move the wiring harness out of the way.

8. Remove the bolts that hold the timing gear cover to the cylinder block, and remove the timing gear cover.

9. Remove the gasket for the timing gear cover.

10. Thoroughly clean the gasket surface of the cylinder block and the timing gear cover. Be careful not to scratch or mar the gasket surface of the aluminum timing gear cover.

Install Timing Gear Cover

1. Install new O-ring seal (1) on the fuel injection pump housing. Put clean engine oil on the O-ring seal.

2. Put new gasket (2) in position on the cylinder block. Engage the gasket with the two dowels. Use clean 2S3230 Bearing Lubricant to hold the gasket in place on the cylinder block.

3. Put the timing gear cover in position on the dowels. Install the bolts that hold the timing gear cover to the cylinder block.

4. Install cover (6), and a new gasket.

5. Connect the wiring harness clips to the timing gear housing.

6. Connect the clip that holds fuel overflow tube (5).

7. Use tooling (B) to install studs (3).

8. Remove tooling (A).

9. Put 5P3413 Pipe Sealant with Teflon on the threads of stud (4). Use tool (B) to install stud (4) to a height of 28.96 mm (1.140 in).

10. Install the clip that holds the wiring harness.

11. Install the connector in the clip.

12. Trim gasket (2) even with the oil pan surface of the cylinder block and timing gear cover.

End By:

a. install crankshaft front seal and wear sleeve

b. install engine front support

c. install water pump

d. install vibration damper and crankshaft pulley

e. install oil pan

f. install automatic timing advance

g. install fan drive

h. install fan assembly

i. install alternator

j. install air conditioning compressor

Caterpillar Information System:

SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Governor Control Cylinder
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Governor Shutoff Solenoid
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Crankshaft Front Seal And Wear Sleeve
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Engine Front Support And Trunnion
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Vibration Damper And Crankshaft Pulley
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Water Pump
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Water Temperature Regulators
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Fan Belt Tightener (Later)
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Fan Drive And Belt Tightener
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Fan Drive (Earlier)
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Fan Assembly
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Governor
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Exhaust Manifolds
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Exhaust Crossover Manifold
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Valve Covers
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Engine
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Air Conditioning Condenser
SUPPLEMENT FOR 768C TRACTOR & 769C TRUCK & 771C QUARRY TRUCK Air Conditioning Dryer And refrigerant Switch
SUPPLEMENT FOR 772B TRACTOR, 773B TRUCK & 775B QUARRY TRUCK- Hoods
SUPPLEMENT FOR 772B TRACTOR, 773B TRUCK & 775B QUARRY TRUCK- Electric Starting Motor
SUPPLEMENT FOR 772B TRACTOR, 773B TRUCK & 775B QUARRY TRUCK- Alternator
SUPPLEMENT FOR 772B TRACTOR, 773B TRUCK & 775B QUARRY TRUCK- Air Conditioning Compressor
SUPPLEMENT FOR 772B TRACTOR, 773B TRUCK & 775B QUARRY TRUCK- Air Conditioning Condenser
SUPPLEMENT FOR 772B TRACTOR, 773B TRUCK & 775B QUARRY TRUCK- Air Conditioning Dryer
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