3406 TRUCK ENGINE Caterpillar

(1)Engine Crankcase

1. Measure oil level. Oil should be between the FULL and ADD marks on the dipstick.

2. Add oil if necessary.

(2)Radiator

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At Operating Temperature, engine coolant is hot and under pressure. Steam can cause personal injury. Check coolant level ONLY when engine is stopped and radiator cap is cool enough to touch with your hand. Remove filler cap slowly to relieve pressure. Cooling System Conditioner contains alkali. Avoid contact with skin and eyes to prevent personal injury.

If it is necessary to add coolant daily, inspect the cooling system for leaks.

1. Inspect coolant level with the engine stopped and cold. Remove the radiator cap slowly to relieve pressure. Observe the coolant level.

2. Maintain coolant level within 1/2 inch (1 cm) below the top of the fill pipe. Inspect cap gasket and replace if necessary.

(3)Fuel Tank

Drain a cupful of fuel from each tank to remove water or sediment.