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Maintenance: Engine, general
Crankcase ventilation. Change filter
Change the filter (1) earlier than recommended if oil is
forced out of the relief valve (2).
1. Dismantle the filter (1) by screwing it anti-clock-
wise.
2. Check the rubber gasket in the bracket and
change if necessary. Screw on the new filter by
hand.
Drive belts. Check/Adjust/Change
WARNING! Stop the engine before commenc-
ing maintenance work.
General
Check belt tension and condition regularly. If the belt
is too taut it can damage bearings and if it is too loose
it may slip. Check and adjust after operation when the
belt is warm.
The belt is correctly tensioned when it can be de-
pressed approximately 10 mm between the pulleys.
Clean the belt grooves before fitting a new belt.
IMPORTANT! Always change a belt that ap-
pears worn or is cracked (belts working in pairs
must be replaced together).
Adjust/Change
Circulation pump belts
1. Undo the belt (A)
2. Change belts if necessary
3. Place the drive pin of a ratchet handle into the
square hole (B) and tighten the belts.
4. Tighten the bolt (A)
Generator belts
The standard generator (1) can be placed low or high.
The generator (2) is an accessory.
1. Undo the bolt/bolts (C)
2. Change belts if necessary
3. Tension the belts
4. Tighten the bolt/bolts (C)
Other belts
Check also belts for other equipment. Adjust and
change as necessary.
A
B
C
C
C
2
1
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