50H - Weekly Servicing Or Every 50 Hours Of Service; Check Alternator/Fan/Crankshaft Belt Tension; Check Compressor Belt Tension (Air Conditioning Option); Check - Manitou MC 25-2 D K ST3A S1 Operator's Manual

50H - WEEKLY SERVICING OR EVERY 50 HOURS OF SERVICE

CHECK

If the compressor belt has to be changed, check the tension again after the first 20 hours of operation.
- Open the engine cover (
- Remove the access panel 1.
- Check the belt for signs of wear and cracks and change if necessary (
CARTRIDGES AND BELTS).
- Check the belt tension between the crankshaft and alternator pulleys, i.e.
• Under normal thumb pressure (98 N), measure the clearance A of between 7
and 9 mm.
• Using the MANITOU tension meter (Part No. 895692), measure the value 130 Hz.
- If required, adjust the belt.
- Loosen screws 2 by two to three turns.
- Swivel the alternator assembly so as to obtain the required belt tension.
- Retighten screws 2 (tightening torque 22 N.m).
CHECK
If the compressor belt has to be changed, check the tension again after the first 20 hours of operation.
- Open the engine cover (
- Remove the access panel 1.
- Check the belt for signs of wear and cracks and change if necessary (
CARTRIDGES AND BELTS).
- Check the belt tension between the pulleys of the crankshaft and of the compressor.
- Using the MANITOU tension meter (Part No. 895692), measure the value 65 to 67 Hz.
- If required, adjust the belt.
- Loosen screw 1 by two to three turns.
- Loosen lock nut 2.
- Adjust the compressor using screw 3, so as to obtain the belt tension required.
- Retighten lock nut 2.
- Retighten the screws 1.
Alternator/fan/crankshaft belt tension
IMPORTANT
COMMAND AND CONTROL INSTRUMENTS).
Compressor belt tension (Air conditioning OPTION)
IMPORTANT
COMMAND AND CONTROL INSTRUMENTS).
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FILTER
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FILTER
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