Caterpillar Off-Highway Truck 775B

Warning: This inspection requires trained personnel with PPE!

Air Filter Restriction Indicator

Check Fuel Level and Drain Moisture

Warning: This procedure requires trained personnel with PPE!

Differential/Final Drive Oil sampling

The transmission oil sample valve is located on the left side of the transmission in a manifold with the transmission lube oil pressure tap.

Hoist, Torque Converter and Brake Cooling Oil sampling

The torque converter, hoist and brake cooling oil sample valve is located on the torque converter in the torque converter outlet manifold.

Engine air intake system components:

Precleaner bowls emptied when dirt reaches the full mark

Air filter elements serviced when the yellow piston in the air service indicator moves into the red zone

Two filter elements are installed in the filter housings. The large element is the primary element and the small element is the secondary element.

Primary element cleaned a maximum of six times

The following list identifies the items that must be serviced every 3000 Hours or Two Years.

- Cooling system: Change coolant and clean radiator fins

Remove the radiator cap slowly to relieve pressure. Inspect the radiator cap gasket. Clean or replace the cooling system relief valve (1).

Drain the coolant with the radiator drain valve (2)

The following items must be serviced every 250 Hours or Monthly.

- Engine oil and filters: Change

- Engine valve lash: Adjust on new or rebuilt engines only

- Cooling system conditioner: Change element

- Air conditioner: Test and adjust belt

- Fan drive bearing and belt tightener: Lubricate

- Alternator and fan belts: Test and adjust