8 INSPECTION AND MAINTENANCE
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
139
Pub. No. 291Y1-40720 Revision: 5
Gauze Filter - Clean
• For the location of the fuel supply
pump, refer to "2
ENGINE - OUTLINE"
(→ Page 75).
• Some parts such as joint and hose may
be outside the scope of our supply. For
the details, refer to such a document as
the specification sheet prepared by the
generator supplier.
• If it is not supplied by MHIET, follow the
instructions in the supplier's operation
manual.
1 Remove the banjo bolt at the inlet
port of the fuel feed pump.
• Tool: Wrench
Fig. 8-27 Banjo Bolt - Remove
2 Remove the gauze filter that is fitted
inside the banjo bolt.
• Tool: Flat blade screwdriver
Fig. 8-28 Gauze Filter - Remove
3 Soak the gauze filter into fresh fuel
oil in the container, and wash it with
a soft brush or others.
• Replace the gauze filter with a new one, if it
has a break or deformation.
4 After cleaning, install the gauze filter
into the banjo bolt.
• Tool: Flat blade screwdriver
5 Align the phase and angle between
the joint (1) and the hose (2) as they
were when removed.
• Always replace the sealing washer with a
new one once it is disturbed.
Fig. 8-29 Hose Joint
Clean the gauze filter properly.
* A clogged gauze filter may result in insufficient
fuel supply, low power output, or engine stall
during operation.
When replacing the gauze filter,
tighten the new one under the same
condition as the old one was installed.
* Fuel leaks due to the tightening torque being
loose may cause a fire or fuel flow-out, which
results in environmental pollution.
(2)
(1)
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