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Maintenance every m onth
6.11 Clean the cooling fins and
the cooling air intake open-
ings
Danger
!
Danger of injury!
Always wear protective clothes (goggles,
gloves) when working with compressed air.
Caution
!
Dirty operating conditions, particularly lubri-
cation oil and fuel deposits on the cooling fins
of the engine and the cooling air intake open-
ing have an adverse effect on the cooling of
the engine.
You should therefore immediately seal any oil
or fuel leaks near fuel tank, cylinder or cooling
air intake.
Fig. 49
Loosen dried on dirt with a suitable brush (Fig.
l
49) from all cooling fins and cooling air intake
openings and blow it off with compressed air .
Danger
!
Fire hazard!
Do not use any inflammable solvents.
Caution
!
Do not guide the water jet directly into the
cooling air openings of the recoil starter, into
the air filter and on electrical equipment.
BP 20/50, BP 25/50
Maintenance every month
On a oil contaminated engine use a cold
l
cleansing agent for cleaning.
After a sufficient soaking time clean off with a
l
water or steam jet and blow out with com-
pressed air.
Run the engine warm for a while to avoid cor-
l
rosion.
Caution
!
Look for the cause of oily contamination and
have any leaks sealed by our customer serv-
ice.
BOMAG
47
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