Replace the Vee belt
39
– Release the screws
1-3
and push three-phase
alternator
4
to the inside.
– Remove Vee belt and replace it by a new one.
– Pull the three-phase alternator
4
outwards and
re-tighten the screws (Fig. 38).
– Check the belt tension.
Note:
Check tension of new belts once more after
approx. 15 minutes of operation.
5.4.
Maintenance every
500
operating hours
5.4.1. Replace primary fuel filter
Note:
Primary fuel filter maintenance intervals depend
on the purity of the fuel used in the engine and
should be reduced to 250 hours if necessary.
Do not smoke and never bring a naked
flame near the fuel system when work-
ing on it.
Important:
Keep the entire area clean so that no dirt
reaches the fuel.
– Place a suitable vessel under the filter to trap
escaping fuel.
– Close the fuel supply line.
40
– Pull fuel supply line
1
off the primary fuel
filter
2
at both sides.
– Insert the new primary fuel filter.
29
