3. FUEL SYSTEM
CLOSE Air bleeding
plug
Body
0
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‘9
-ing
The fuel injection pump and fuel injection nozzles are precisely
manufactured, and therefore, using the fuel which contains water or
dust particles will result in either injection pump plunger seizure or
injection nozzle seizure, and the fouled fuel filter element with
sludge or dust particles lead to decreased engine output.
In addition, clogged filter element can cause low output or
automatic air bleeding failure.
Perform inspection and maintenance periodically as fol
(1)
Removal of Water from the Fuel
If water reaches the fuel filter element bottom,
procedure below to drain the water.
Procedure:
, follow the
1) Turn the fuel filter lever just above (close) until it stops to cut off
the fuel. (See Fig. 20)
2) Loosen the ring nut, remove the cup together with the element,
and drain the fuel.
3) Clean the cup, install the element and tighten to the filter body
with the ring nut.
4) Turn the fuel filter lever just below (open) until it stops to
conduct air bleeding for the fuel.
Fig. 20
49
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