26 © Scania Industrial & Marine Engines 1997-11:2
FUEL SYSTEM
12. Daily:
CHECKING FUEL LEVEL
- Top up fuel if necessary.
- If the tank is run dry, bleed the fuel system, see point 13.
13. Every 1,200 hours:
CHANGING THE FUEL FILTER
Fuel tanks
- Drain any water from the fuel tanks.
Filter
The filter consists of a filter unit.
- Wash the outside of the filter and unscrew it. Discard the filter
according the environmental requirements.
- Do up the new filter by hand.
Never use tools. The filters may be damaged, inhibiting circulation.
- Bleed the fuel system as below.
- Start the engine and check for leaks.
Bleeding the fuel system
- Open the bleed screw 1 on the main filter.
- Pump the hand pump 2 until air-free fuel flows out at the maim
bleed screw.
- Close the bleed screw. Pump a few times using the hand pump.
If the engine is difficult to start after bleeding . . . . .
- Slacken the injection pump overflow valve 3 one half turn
and try starting again. On the 8000 pump, the overflow valve is
located on the fuel shut-off valve.
If the engine still won’t start . . . . . . .
- Pump the hand pump until bubble-free fuel flows from the overflow
valve.
Tighten the overflow valve when the engine has started.
Use only Scania genuine
fuel filter.
1 2 3
Be extremely careful with
cleanliness when working on
the fuel system.
Malfunctions
can easily arise and the
injection equipment
can be damaged.
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