Isuzu 4LE2 - Inspecting the Supply Pump Strainer

5-25
INSPECTION AND MAINTENANCE
3. Replace the O-ring of the case and drain
plug with new ones, place the new element
in the case, thinly apply the fuel on the
O-ring, and screw in the element.
When the O-ring contacts the seal surface,
tighten with the special filter wrench.
Case tightening torque
30.0 N·m (3.1 kgf·m/22.4 lb·ft)
Drain plug tightening torque
2.0 N·m (0.2 kgf·m/1.4 lb·ft)
4. Remove the air from the fuel.
Bleeding the Fuel System
→ Refer to Page 5-23
WARNING
After replacement is performed, test run the engine and confirm that there is
no fuel leakage from the area around the filter. Fuel leakage may cause a fire.
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Inspecting the Supply Pump Strainer
When a phenomenon such as output decrease
and engine stop appears, and this phenomenon is
not resolved after replacing the fuel filter element,
replace the supply pump strainer (integrated joint
bolt).
Joint bolt tightening torque
17.2 N·m (1.8 kgf·m/13 lb·ft)
CAUTION
The supply pump strainer is assembled into the joint bolt located at the inlet
side of the supply pump. This joint bolt is a component which cannot be
disassembled, so do not pull out the strainer inside.
When the fuel pipe has been removed, make sure to replace the gasket with a
new one.
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Joint bolt Strainer Joint bolt Strainer
IDE-6450A4500781ALL.indd5-25IDE-6450A4500781ALL.indd5-25 2014/04/1814:20:042014/04/1814:20:04