SERVICE MANUAL FOR SXG323&326
30
(2) INSPECTION
Use only clean diesel fuel of correct grade.
Introduction of water or dirt into the fuel tank or
other part of the fuel system can cause repeated
plugging of the fuel filter and possible injection
pump and injector damage.
(3) FUEL FILTER
To replace the fuel filter element or clean sediment,
turn the fuel valve to the OFF position (top).
Inspect the filter element sediment bowl and O-ring.
Examine the small O-ring in the filter head and
replace as necessary.
(4) AIR-BLEEDING
PROCEDURE:
a. Turn key switchON.
b. Fill the fuel tank.
c. Turn the fuel valve (1) to "ON".
d. Loosen the air-bleeding screw (2) and let air
bubbles out.
e. Loosen the air-bleeding screw of the fuel injec-
tion pump and let air bubbles out of the pump.
Caution:
Fuel emitted from loosened injection lines is
under high pressure. Keep hands and face away
when the engine is cranked. Clean all spilled
fuel following air-bleeding procedure.
Important:
When turning key switch ON, don
,
t start engine.
Fig. 3-9
Fig. 3-10
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