40 © Scania Industrial & Marine Engines 2003-10:1
FUEL SYSTEM
12. Daily:
CHECKING THE FUEL LEVEL
- Top up with fuel if necessary.
- If the tank has been run dry, bleed the fuel system, see point 13.
13. Every 1200 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
to environmental requirements.
- Fit the new filter and tighten it by hand.
Never use tools for this. The filters can be damaged, obstructing
circulation.
- Bleed the fuel system as described below.
- Start the engine and check for leaks.
Bleeding the fuel system
- Open the bleed screw 1 on the main filter.
- Pump with the hand pump 2 until the fuel flowing out by the bleed
screw is free from air.
- Close the bleed screw. Pump a few more strokes with the hand pump.
If there are starting difficulties after bleeding . . . . .
- Unscrew the injection pump overflow valve 3 half a turn and make
another attempt at starting.
If the engine will still not start . . . . . . .
- Pump with the hand pump until the fuel coming through the overflow
valve is free from bubbles.
- Tighten the overflow valve when the engine has started.
3
Use a container to avoid spillage
when bleeding and changing
components.
Only use Scania genuine fuel
filter.
1
2
Observe the utmost cleanliness
when working on the fuel
system.
There is a risk of engine
malfunction and damage to the
injection equipment.
To Next Page
Loading...
