1. Slew the upper frame to a position easy for
water drainage.
2. Lift up and open the hood, Take out the fuel
tank cap (1).
3. Place a box beneath the water drainage
plug (2).
4. Loosen the water drainage plug (2) to fully
drain the water and the deposits from the
tank.
5. Tighten the water drainage plug (2).
6. Tighten and lock the fuel tank cap (1).
7. Exhaust air.
Air exhausting of Fuel System
Refer to page 6-8“Air exhausting from Fuel
System ”.
Note: The air content in the fuel system will
cause start failure or start difficulty of engine.
Bleed the air by same procedure described
above when the fuel tank is empty.
Checking of battery electrolyte level
and adding of electrolyte
Danger
● Do not use the battery when the
electrolyte level is below the lower limit.
Otherwise it will speed up the internal
aging and shorten the life of battery. In
addition, it can lead to burst (explosion).
● The battery can generate inflammable
hydrogen to probably cause explosion.
Keep away from fire sources including
open fire, spark, and ignited cigarette.
● Clean the area above electrolyte level
marking by a wet cloth and check the
level. Do not clean by a dry cloth,
can cause electrostatic
and combustion or
otherwise it
accumulation
explosion.
Warning
● During the operations of battery, wear
goggles and protective clothing.
● Do not fill the distilled water till the
level is above the upper limit. Otherwise
the electrolyte will leak out. The contact
with such electrolyte can harm your
skin or corrode the machine parts.
● The battery contains sulfur acid. The
accidental touch will harm your eyes or
5-28
Start the machine only after draining.
Maintenance
Every 50h
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