4. Loosen the hose clamps (1) on the fuel pre-filter (2).
5. Pull the fuel lines off the fuel pre-filter.
6. Install the new fuel pre-filter and observe the flow direction
(arrow).
7. Reconnect the fuel hoses with hose clamps.
8. Shut the central electrics and screw it back down.
9. Loosen the fuel filter using a suitable strap wrench and
remove.
10. Remove any dirt from the sealing face of the filter carrier.
11.
NOTICE!
Danger of engine damage!
– Never fill filters beforehand, to avoid the
entry of dirt into the clean side.
Thinly apply oil to the rubber seal on the new fuel filter.
12. Screw on the new filter cartridge by hand until the seal is in
contact, then tighten by hand.
13. Dispose of fuel and fuel filters in line with environmental reg-
ulations.
14.
Bleed the fuel system
Ä
Chapter 8.8.6.2 „Bleeding the fuel
system“ on page 123.
8.8.6.2 Bleeding the fuel system
Protective equipment:
n
Working clothes
n
Safety shoes
n
Protective gloves
1. Loosen the bleed screw on the fuel filter 2 to 3 turns.
Fig. 154
Fig. 155
Fig. 156
Maintenance – Every 250 operating hours/annually
D.ONE
123
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