31PERIODIC SERVICE
ENGLISH
BChecking the Fuel Pipes
To avoid personal injury:
A Check or replace the fuel pipes after
stopping the engine. Broken fuel
pipes can cause fires.
Check the fuel pipes every 50 hours of operation. When if;
1. If the clamp band is loose, apply oil to the screw of the
band, and tighten the band securely.
2. If the fuel pipes made of rubber became worn out
replace them and clamp bands every two years.
3. If the fuel pipes and clamp bands are found worn or
damaged before two years' pass, replace or repair
them at once.
4. After replacement of the pipes and bands, air-bleed
the fuel system.
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.
(1) Clamp band
(2) Fuel pipe
(1) Fuel filter lever
(2) Fuel filter pot
(A) "CLOSE"
(B) "OPEN"
(1) O ring
(2) Filter element
(3) Spring
(4) Filter bowl
(5) Screw ring
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