Manitou MH20-4 T BUGGIE 4ST3B, Operator'S Manual, Page: 84 / 114

3-20
DD6 - ALTERNATOR/FAN/CRANKSHAFT BELT
CHANGE
- Lift up the overhead guard or the cab (see: 2 - DESCRIPTION: INSTRUMENTS AND CONTROLS).
- Untighten screws 1 (fig. D6) by two to three thread turns.
- Swivel the alternator assembly so as to pay up the belt 2 (fig. D6) and replace with a new one
(see: 3 - MAINTENANCE: FILTERS CARTRIDGES AND BELTS).
- Adjust the belt tension between the crankshaft and alternator pulleys.
- Under pressure applied by the thumb (98 N), the tension should be between 7 et 9 mm.
- Re-tighten the screws 1 (fig. D6).
If the alternator belt has to be changed, check the tension again after the first 20 hours of operation.
D7 - MAST LIFTING CHAINS
CLEAN - CHECK - GREASE
- Wipe the mast lifting chains 1 (fig. D7) 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.
D8 - HYDRAULIC RETURN OIL FILTER CARTRIDGE
CHANGE
Stop the I.C. engine and remove the pressure from the circuits by acting on the hydraulic controls.
Thoroughly clean the outside of the filter and its surroundings before any intervention in order to prevent any
risk of polluting the hydraulic circuit.
- Lift up the overhead guard or the cab (see: 2 - DESCRIPTION: INSTRUMENTS AND CONTROLS).
- Remove the plug 1 (fig. D8/1).
- Move the windscreen washer fluid tank to one side and unscrew the cap 2 (fig. D8/2) two to
three turns.
- Wait a few moments while the oil flows into the tank.
- Remove the cover and take out filter cartridge assembly 3 (fig. D8/3).
- Place the assembly in a clean container and empty the bowl.
- Remove the bowl 4 and the top 5 of the filter cartridge 6 (fig. D8/4) by a movement of rotation.
- Refit the bowl and the top onto a new cartridge (see: 3 - MAINTENANCE: FILTER ELEMENTS AND
BELTS).
- Fit the assembly in place and retighten the cover 2 (fig D8/2).
- Put the cap back 1 (fig. D8/1).
D6
1
1
2
D7
1
D8/2
2
D8/3
3
D8/4
5
6
4
D8/1
1
647448
(20/05/2015)