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.
8.4.2 Cleaning Fuel Prefilter
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.
1 Close shutoff valves between engine and tank.
2. Remove filter housing (3).
3. Take off O-ring (2) from filter housing (3).
4. Wash filter housing (3) and fine-mesh filter (1)
in clean diesel fuel and blow off with com
pressed air.
5. Screw filter housing (3) with fine-mesh filter (1)
and new O-ring (2) onto the fuel prefilter hous
ing.
6. Tighten filter housing (3).
Tightening torque 10 Nm.......................
7. Bleed fuel prefilter.
Bleed Fuel Prefilter
1. Open shutoff valve between engine and tank.
2. Unscrew plunger (1) of hand pump.
3. Operate plunger (1) of hand pump until over
flow valve audibly opens.
4. Screw on plunger (1) of hand pump again and
tighten.
5. Check fuel prefilter for leaks.