TCM FG20N2S - Fuel System Maintenance; Fuel Filter

2-2
FUEL SYSTEM MAINTENANCE
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Perform the fuel system maintenance service every 100 operating hours in the
following manner. Also clean the fuel tank every 600 operating hours.
2-2-1 FUEL FILTER
The fuel filter is designated to remove dust or foreign matter from fuel, which is
located between the priming pump and injection pump (for dierel engines) or
between the fuel tank and fuel pump
(for gasoline engines).
1
.
Gasoline engine fuel filter service
(1)
Remove drain plug (7) to drain off
gasoline from the bowl.
(2) Loosen nut (1) and remove the
bowl.
(3)
Remove spring (3) and filter (4)
from the fuel pump upper part.
(4) Wash filter (4) in gasoline to
remove dust.
(5)
If filter (4) is damaged, replace with
new one. Even if not damaged, the
filter should be replaced every 600
operating hours.
2
3
I
Fig. 2-4
6
s
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(6) Reinstall the filter, spring and bowl on the pump and lock with nut (l).
(7) Attach drain plug, start the starter motor to prime gasoline into the bowl.
(8) Check for gasoline leak between pump body and bowl (2) and the packing
section of plug (7). If any leak is noticed, replace packings (8) and (5).
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