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50H - WEEKLY MAINTENANCE OR EVERY 50 HOURS OF SERVICE
CHECK Alternator/fan/crankshaft belt tension
IMPORTANT
If the compressor belt has to be changed, check the tension again after the first 20 hours of operation.
- Open the engine cover ( 2 - DESCRIPTION: CONTROL AND COMMAND
INSTRUMENTS).
- Remove the cover plate 1.
- Check the belt for signs of wear and cracks, and change if necessary ( FILTERS
CARTRIDGES AND BELTS).
- Check the belt tension between the crankshaft and alternator pulleys.
- Under normal pressure applied by the thumb (98 N), belt movement A should be
between 7 and 9 mm.
- Adjust if necessary.
- 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 Tyre pressures
CHECK Wheel nut torques
IMPORTANT
Check that the air hose is correctly connected to the tyre valve before inflating and keep all persons at a distance during inflation.
Inflate to the recommended tyre pressures.
- Check the torque load of the wheel nuts. Non-compliance with this instruction can lead to damage and failure of the
wheel bolts and distortion of the wheels.
- Check and restore tyre pressures if necessary ( 2 - DESCRIPTION: TYRES).
NOTE: There is an OPTIONAL wheel tool kit.
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647635 (12/12/2017)
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