12 PERIODIC SERVICE
[PROCEDURE]
1.
Fill the fuel tank
to
the fullest extent. Open the fuel filter
lever.
2. Loosen air vent plug
of
the fuel filter a few turns.
3. Screw back the plug when bubbl
es
do
not
come up
any
more.
4. Open the
air
vent plug on top
of
the fuel injection
pump.
5. Retighten the plug when bubbles
do
not
come up any
more.
1ABAAAAAP1290
( 1)
Fuel
filter
lever
(2)
Air
vent
plug
(3)
Fuel
filter
pot
~)
(A)"ON"
(8)
"OFF"
•Checking
the fuel pipes
A
CAUTION
To
avoid personal
injury;
• 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 2 years.
3.
If
the fuel pipes and clamp bands are found worn
or
damaged before 2 years' time, replace
or
repair them
at
once.
4. After replacement
of
the pipes and bands, air-bleed
the
fuel system.
IMPORTANT:
• 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.
Ct
2
1ABAAAAAP1300
(1
)
Clamp
band
(2
) Fuel pipe
I
~
•Cleaning
the fuel
filter
pot
Every 1
00
hours
of
operation, clean the fuel filter in a
clean place
to
prevent dust intrusion.
1.
Close the fuel filter lever.
1ABAAAAAP
1310
(1)
Fu
el
filter
lever
(2)
Fuel
filter
pot
(
A)
"OFF"
(8)
"ON"
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.
IMPORTANT:
• Entrance
of
dust and dirt can cause a malfunction
of
the fuel injection pump and the injection nozzle. Wash
the fuel filter cup periodically.
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