34 _____________________________________________ OPERATORS MANUAL
ENGLISH
With the coolant tank cap still removed start the engine and let it warm up to reach
its operating temperature. Refill more coolant when needed a little by little.
Close the cap and run the engine a few minutes more. Stop the engine and check
the coolant level.
Air cooled engines
There is a fan in the engine taking fresh air through the openings in the hood.
The air follows through the cooling ribs in the engine and through special conduits out from
the engine room.
All models have a fan belt rotating the cooling fan.
Check the belt tension regularly once a week.
The belt tension is right when the belt can be pressed down 89 mm with finger
between the belt pulleys.
NOTE: The belt can be pressed e.g. with a screwdriver through the protection net.
Fan belt tension
8 - 10 mm
Adjusting fan belt
Remove the protection net of the fan.
Open the center nut of the upper fan pulley. In the tool kit there is a special tool for
holding the fan.
Remove the pulley half. The belt is tightened when the shims between belt pulleys
are reduced. The belt is loosened by adding shims.
NOTE: The removed shims are to be placed under the inner pulley half or in the tool kit.
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