Manitou MI-X 50L D C ST3A S2 - Belt Tension

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50H - WEEKLY MAINTENANCE OR EVERY 50 HOURS OF SERVICE
CHECK MI . . D ST3B S2 Belt tension

IMPORTANT
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If the compressor belt has to be changed, check the tension again after the first 20 hours of operation.
- Unscrew the thumbscrews 1 and remove the housing 2.
- Lift cover 3 to gain access to the belts.
- Check the belts for signs of wear and cracking and change if necessary ( FILTER
CARTRIDGES AND BELTS).
COMPRESSOR BELT (air-conditioning option)
- Check the tension between pulleys, under normal pressure applied by the thumb
C (98 N/10kg), belt movement should be between 7 and 10 mm.
- Adjust if necessary.
- Loosen screws 8 by two to three turns.
- Tighten or loosen screw 9 to obtain the required belt tension.
- Retighten screws 8 (tightening torque 22 N.m).
ALTERNATOR BELT
- Check the tension between pulleys, under normal pressure applied by the thumb
A (98 N/10kg), belt movement should be between 7 and 10 mm.
- Adjust if necessary.
- Loosen screws 4 by two to three turns.
- Tighten or loosen screw 5 to obtain the required belt tension.
- Retighten screws 4 (tightening torque 22 N.m).
FAN BELT
- Check the tension between pulleys, under normal pressure applied by the thumb
B (
98 N/10kg), belt movement should be between 7 and 10 mm.
- Adjust if necessary.
- Loosen screw 6 by two to three turns.
- Use a wrench to swivel the tensioner pulley 7 and obtain the required belt tension.
- Retighten screw 6 (tightening torque 22 N.m).
3 - 18
8
8
9
C
4
4
5
A
1
1
2
3
6
B
7
647650 (19/02/2018)
M
I-X 50L/60/70 D C ST3A S2 / MI 50L/60/70 D ST3B S2 / MI 50L/60/70 G S2