Every 250 Service Hours or Monthly
Lubricate the fan bearing.
COOLING SYSTEM -
At operating temperature, the
ant is hot and under pressure.
Steam can cause personal injury.
Inspect the coolant level ONLY when the
engine is stopped and the radiator cap is
cool enough to touch with your hand.
Remove the radiator cap slowly to relieve
The cooling system conditioner contains
alkali, avoid contact with the skin and eyes
to prevent personaI injury.
Never add coolant to an overheated engine,
allow the engine to cool first.
Do not use Caterpillar cooling system condi-
tioner with Dowtherm 209 Full-Fill coolant.
Follow the recommendations provided with
Dowtherm 209 Full-Fill coolant.
Do NOT add liquid cooling system conditioner
monthly unless the machine has actually
operated 250 Service Hours. Adding cooling
system conditioner before 250 Service Hours
will give an excessive concentration of
If the cooling system was drained and
refilled, see the topic Cooling System
under Every 2000 Service Hours or 1
It may be necessary to drain enough
coolant to allow for the addition of cooling
Add 1/2 liter (1 pint) of Caterpillar cooling
system conditioner, or equivalent, to this
cooling system. This will maintain the
required 3% concentration of conditioner.