1.
Remove cover (3) on the bottom of the fuel tank. (if equip-
ped)
2.
Turn valve (1) at the bottom of the fuel tank to CLOSE po-
sition (S).
3.
Open the door on the right side of the machine.
4.
Place a container under fuel prefilter cartridge (2) to re-
ceive the fuel.
5.
Turn filter cartridge (2) counterclockwise by using the filter
wrench, and remove it.
After removing the filter cartridge, fuel drops fall down from
the filter head.
In order to prevent flow out of the fuel, be sure not to leave
the machine without the filter cartridge.
6.
Clean the filter head. Thinly apply oil to the packing of the new filter cartridge and install the cartridge to the
filter head.
NOTICE
• Do not fill the new filter cartridge with fuel.
• Remove cap (B) at center and install the filter car-
tridge.
7.
When installing the cartridge, tighten it until the packing
surface contacts the sealing surface of the filter head, then
tighten it 3/4 of a turn.
If the filter cartridge is fastened too much, the packing will
be damaged and this leads to leakage of fuel. If the filter
MAINTENANCE PROCEDURE MAINTENANCE
4-62
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