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MACHINE OPERATIONS AND CONTROLS
5.
When fuel starts to drain from drain hose (3), tighten drain
valve (4) immediately.
On this machine, a sensor is installed to detect if water is
accumulated in transparent cup (2).
When the water separator caution lamp (5) lights up in red
on the machine monitor, it indicates that water is accumu-
lated in transparent cup (2).
In this case also, use the procedure above to drain the wa-
ter.
REMARK
When only the water separator caution lamp lights up, it
lights up in the position shown in the figure. If other caution
lamps also light up at the same time, the water separator
caution lamp lights up at a different position.
NOTICE
If the water accumulated in transparent cup (2) freezes, the water separator caution lamp may not
light up. After the engine is started, as the temperature around fuel prefilter (1) increases, the frozen
water will melt and the water separator caution lamp may suddenly light up. In cold season, even if
the water separator caution lamp is not lit, drain the water frequently.
REMARK
•
If transparent cup (2) is dirty and it is difficult to see the inside, clean transparent cup (2) when replac-
ing fuel prefilter cartridge (1).
•
When the drain valve (4) has been removed during the cleaning operation, coat O-ring with grease and
tighten it until it contacts the bottom.
If drain valve (4) is hard to move, adjust it so that it moves smoothly. For details, see "METHOD FOR ADJUST-
ING DRAIN VALVE (3-146)".
METHOD FOR ADJUSTING DRAIN VALVE
1.
Remove fuel tank lower cover (5).
(only when installed)
2.
Turn valve (6) at the bottom of the fuel tank to CLOSE po-
sition (S).
3.
Place a container under the fuel prefilter cartridge to re-
ceive the fuel.
3-146
OPERATION
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