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Operating Instructions
C 9.92
Maintenance after the first 50 service hours
153 146 169
Checking the heating hoses for damage and
tightness
- Check the heating hoses for leaks and damage.
Checking engine V-belt tension and condi-
tion
Please also refer to the operating instructions of the engine
manufacturer.
CAUTION
Adjust V-belt tension only when the engine is
shut off.
- Inspect V-belts for cracks and tears over their entire
length.
- Replace damaged V-belts.
- Using thumb pressure, check that belt deflection is
not over 10 - 15 mm.
- To tighten the V-belt: Loosen the fastening screws on
the idler pulley mounting and push the pulley outwards
until the proper V-belt tension is obtained.
- Tighten the fastening screws on the idler pulley
mounting.
Cleaning the strainer in the fuel pump, re-
placing if necessary
- Clean the strainer and, if necessary, replace it accor-
ding to the procedure in the engine operating instruc-
tions.