MAINTENANCE
4.
81647852EN-USM1(B-12/2021)
5. Undo screws (1) by two to three thread turns.
6. Swivel the alternator assembly so as to obtain the
belt tension required.
7. Re-tighten the screws (1).
If the alternator belt has to be changed,
check the tension again after the first 20
hours of operation.
4.9.5 GREASE MAST LIFTING
CHAINS
WARNING
In case of technical faults, consult your dealer.
1. Wipe the mast lifting chains (1) with a clean, lint-free
cloth, then examine them closely so as to detect
any signs of wear.
2. Vigorously brush the chains to get rid of any foreign
matter, with a hard nylon brush and clean diesel
fuel.
3. Rinse the chains by means of a paint brush
impregnated with clean diesel fuel and dry them
with a compressed air jet.
4. Moderately lubricate the chains.
4.10. 1000 HOURS OF SERVICE
OR 1 YEAR
4.10.1 REPLACE FUEL FILTER
1. Raise the engine cover.
2. Carefully clean the outside of the filter and its
holder, to prevent dust from getting into the system.
3. Remove and empty the fuel filter (1).
4. Discard the fuel filter cartridge and its seals.
5. Clean the inside of the filter head using a brush
immersed in clean diesel oil.
6. Refit the assembly with a new cartridge and new
seals.
4.10.2 REPLACE FUEL PREFILTER
1. Carefully clean the outside of the filter and its
holder, to prevent dust from getting into the system.
2. Remove and empty the fuel filter (1).
3. Unscrew the fuel water trap.
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