Manitou MSI25 T 4ST3A - Page 85

C3 – COMPRESSOR BELT TENSION (AIR-CONDITIONING OPTION)
CHECK - ADJUST
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IMPORTANT
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If the compressor belt has to be changed, check the tension again after the first 20 hours of operation.
- Lift up the cab (see: 2 - DESCRIPTION: INSTRUMENTS AND CONTROLS).
- Check the belt 1 for signs of wear and cracks and change if necessary (see: 3 -
MAINTENANCE: FILTERS CARTRIDGES AND BELTS).
- Check the belt tension between the pulleys of the crankshaft and of the compressor.
- Measured with a n electronic tension meter, the value should be situated between
87 and 90 Hz.
- Adjust if necessary.
- Loosen screws 2 by two to three turns.
- Loosen lock nut 3.
- Adjust the compressor using screw 4, so as to obtain the belt tension required.
- Retighten lock nut 3.
- Retighten the screws 2.
C4 – CAB VENTILATION FILTER (AIR-CONDITIONING OPTION)
REPLACE
- Remove the protective casing 1.
- Lift out cab ventilation filter 2 and replace it with a new one (see: 3 - MAINTENANCE:
FILTERS, CARTRIDGES AND BELTS).
- Refit the protective casing.
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647468 (26/11/2018)
M
SI 25/30/35 ... 4ST3A ; MH 25-4 ... 4ST3A