Man D2842 LE103 - Cleaning Fuel Prefilter

Maintenance and Care
MAN-Industrial diesel engines D2842 LE103
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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. Unscrew filter housing (1).
3. remove O-ring (2) from the filter housing (1).
4. Wash out filter housing (1) and gauze filter (3)
in clean diesel fuel and blow out with com
pressed air.
5. Screw filter housing (1) with gauze filter (3) and
new O-ring (2) onto the fuel prefilter housing.
6. Tighten filter housing (1).
Tightening torque 10 Nm.......................
7. Bleed fuel prefilter.
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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 in plunger (1) of hand pump again and
tighten.
5. Check fuel prefilter for leaks.
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