Manitou MI 30 D - Page 85

3-25
D5 - ALTERNATOR/FAN/CRANKSHAFT BELT TENSION
CHECK - ADJUST
- Raise the engine cover (see: 2 - DESCRIPTION: INSTRUMENTS AND CONTROLS).
- Check the belt 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 alternator.
MI 15 D / MI 18 D
- Under pressure applied by the thumb (98 N), the tension should be between 8 et 12 mm.
MI 20 D / MI 25 D
MI 30 D / MI 35 D
- Under pressure applied by the thumb (98 N), the tension should be between 10 et 14 mm.
MI .. G
- Under pressure applied by the thumb (98 N), the tension should be between 11 et 13 mm.
- Carry out adjustments if necessary.
- Undo screws 1 (fig. D5) by two to three thread turns.
- Swivel the alternator assembly so as to obtain the belt tension required.
- Retighten screws 1 (fig. D5).
If the alternator belt has to be changed, check the tension again after the first 20 hours of operation.
D6 - MAST LIFTING CHAINS
CLEAN - CHECK – GREASE
- Wipe the mast lifting chains 1 (fig. D6) with a clean, lint-free cloth, then examine them closely
so as to detect any signs of wear.
- Vigorously brush the chains to get rid of any foreign matter, with a hard nylon brush and clean
diesel fuel.
- Rinse the chains by means of a paint brush impregnated with clean diesel fuel and dry them
with a compressed air jet.
- Moderately lubricate the chains (see: 3 - MAINTENANCE: LUBRICANTS AND FUEL).
In case of technical faults, consult your dealer.
D6
1
1
1
1
D5
1
1
647377 (31/03/2014)