Maintenance
131
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Empty the cup (5) and clean with clean diesel fuel.
!
Check filter (1) for excessive dirt; replace it if necessary.
!
Replace the oil ring (4) and lubricate it with diesel fuel.
!
Assemble the components 1 to 6 in this exact order.
!
Tighten retainer (6) manually, do not use tools.
!
Set the cock to the ON position.
!
Bleed the fuel system (page 104).
!
Check the water separator for leaks.
!
Close the engine compartment cover.
Draining the fuel tank
!
Place a container with a minimum capacity of 12 litres under
the fuel drain valve.
!
Unscrew the drain plug (2).
!
Open the drain valve (1) by turning to position (B) and drain the
water.
!
Close the drain valve by turning to position (A).
!
Screw the drain plug back in.
Checking the fuel lines and the air intake hoses
!
Open the engine compartment cover (page 107).
!
Check all accessible fuel lines, air intake hoses and clamps to ensure that they are not damaged and are firmly
seated.
!
Repair or replace damaged parts.
!
Close the engine compartment cover.
Do not forget the red plastic ring (2) and the compres-
sion spring (3).
Dispose of cleaning cloths according to the applicable environmental protection regulations.
Dispose of fluid in the container according to the appli-
cable environmental protection regulations.
4
2
3
1
6
5
