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Maintenance
3H50, 4H50
102
HATZ
Manual
Engine with A/C compressor
Safety note
CAUTION
Danger of injury.
The belt tensioner is under spring preload. When tensioning and
relieving, there is a danger of injury due to crushing or jamming
on preloaded parts.
▪
Carry out the work on the belt with particular caution.
Overview
1
Belt tensioner
2
Poly v belt
3
Fan blade
Procedure
Step
Activity
1
Insert a 3/8" square key into the groove in the belt tensioner (1).
2
Turn the belt tensioner in the direction of the arrow, thus reliev-
ing the tension of the poly v belt (2).
3
Remove the loose poly v belt from the pulley.
4
Slowly relieve the tension of the belt tensioner.
5
Carefully lift the poly v belt over a fan blade. Turn the fan further
in the counterclockwise direction and lift the belt over the re-
maining fan blades until it is completely free.