Maintenance and Care
MAN Industrial Diesel Engines D2848/40/42 LE201/203/211/213
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Carefully read the Operating Instructions before starting any work!
This is especially valid for the chapter on General Safety Instructions
and the safety instructions in each of the chapters.
8.4.7 Bleeding the Fuel System
DANGER!
Fire hazard caused by uncontrolled fuel leakage
When opening the fuel system, fuel can leak out uncontrolled.
For this reason:
S Work carefully.
S Do not spill any fuel.
The filter head has an arrow marking the direction of fuel flow.
1. Switch on ignition.
2. Unscrew bleed screw of first filter in the direc
tion of flow by two turns.
3. Unscrew plunger (1) of hand pump.
4. Operate plunger (1) of hand pump until fuel
exits from the bleed screw with no bubbles.
5. Tighten bleed screw.
Tightening torque 25 Nm.......................
6. Unscrew bleed screw of second filter in the dir
ection of flow by two turns.
Repeat steps 3-5 for second filter.
7. Screw on plunger (1) of hand pump again and
tighten.
8. Check fuel system for leaks.
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