COOLING SYSTEM - CLEANING
If NBC exposure is suspected, all air filter media
should be handled by personnel wearing pro-
tective equipment. Consult your unit NBC Offi-
cer or NBC NCO for appropriate handling or dis-
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 filler cap is cool en-
ough to touch with your hand.
Remove filler cap slowly to relieve
Cooling System Conditioner
kali. Avoid contact with skin
prevent personal injury.
and eyes to
Use all cleaning solutions with care.
If the machine is to be stored in, or
shipped to, an area with freezing temper-
atures, the cooling system must either be
protected to the lowest expected ambient
temperature or drained completely.
Use clean water that is low in scale-
forming minerals not softened water.
Measure specific gravity of antifreeze
solution frequently in cold weather to assure
Note: Most commercial cooling system
cleaners may be used.
The machine must be level, the bucket
lowered with slight down pressure, the
engine stopped and cool.
1. Open the access cover in the hood,
2. Turn the radiator cap slowly to relieve
any pressure, then remove the cap.