Case WX145 Operator's Manual page 243

SECTION 4
Check the operation of the selector for temperature
adjustment (19).
If the selector is hard to move, check that the tie-rod
is not bent or rusted, eventually replace it.
COMPRESSOR BELT - REPLACEMENT
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WARNING
Risk of injury from hot or rotating parts in the engine
compartment.
Shut off the engine before opening the engine
hood.
After operation, even the compressor can be hot.
Let it cool down before performing any work.
IMPORTANT: if the belt tension is not correct, the
compressor performance may be impaired.
This can also cause damages to the belt and to the
compressor.
The compressor (1) is fastened to the engine block.
Open the engine hood.
Loosen the lock screw (3).
Loosen the belt tension (2), by shifting the compres-
sor (1) toward the engine with swinging movements.
Replace the damaged belt (2) with a new one.
By shifting the compressor (1) to the right with
swinging movements, tension the belt (2).
Tighten the lock screw (3) again.
Check belt tension.
Press with the thumb the belt in the centre between
the pulleys. It must flex of about 10 mm (0.39 in). If
the tension does not correspond to this parameter,
you must loosen or tension the belt accordingly.
Check that the fastening screws (4) of compressor
(1) to the support and to the engine support, are
tightened correctly. tighten them, if necessary.
After some hours of operation, check the belt (2)
condition and tension.
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