3-22
D5 - FUEL PRE-FILTER
CHANGE
- Take the pre-filter 1 from the clip 2 (fig. D5/1).
- Remove and discard the pre-filter 1 (fig. D5/2).
- Fit a new pre-filter (see: 3 - MAINTENANCE: FILTERS CARTRIDGES AND BELTS).
- Place the new pre-filter under the clip 2 (fig. D5/1).
- Open the fuel valve 1 (fig. D4/1) by setting to position A.
D6 - 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.