14 PERIODIC SERVICE
ENGLISH
A When the fuel pipes are not installed, plug them at
both ends with clean cloth or paper to prevent dirt
from entering. Dirt in the pipes can cause fuel
injection pump malfunction.
BCleaning the fuel filter pot
Every 100 hours of operation, clean the fuel filter in a
clean place to prevent dust intrusion.
1. Close the fuel filter lever.
2. Remove the top cap, and rinse the inside with diesel
fuel.
3. Take out the element, and rinse it with diesel fuel.
4. After cleaning, reinstall the fuel filter, keeping out of
dust and dirt.
5. Air-bleed the injection pump.
A Entrance of dust and dirt can cause a malfunction of
the fuel injection pump and the injection nozzle.
Wash the fuel filter cup periodically.
BFuel filter cartridge replacement
1. Replace the fuel filter cartridge with a new one every
400 operating hours.
2. Apply fuel oil thinly over the gasket and tighten the
cartridge into position by hand-tightening only.
3. Finally, vent the air.
A Replace the fuel filter cartridge periodically to
prevent wear of the fuel injection pump plunger or
the injection nozzle, due to dirt in the fuel.
(1) Clamp band
(2) Fuel pipe
(1) Fuel filter lever
(2) Fuel filter pot
(A) "OFF"
(B) "ON"
(1) O ring
(2) Filter element
(3) Spring
(4) Filter bowl
(5) Screw ring
(1) Fuel filter cartridge
(2) Air vent plug
(3) O ring
(4) Pipe joint
(5) Cover
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