35
z When battery is used or charged, it will
produce explosive gas. Avoid flame or spark
being close to battery. Electricize battery
in a well-ventilated area. Place the machine
on dry & hard ground, not on steel plate,
otherwise it may produce spark accidentally.
Never connect anode and cathode directly,
otherwise it will cause short circuit.
z When start engine, the operator must sit on
the operation seat to control machine.
z Earth the 12V cathode (-), and only use 12V
assistant battery.
z When the battery exhausts, start engine with
assistant battery.
3) Screw key switch to “OFF” position to stop engine, and take out key.
4) Pull pilot control lever to LOCK position.
3.3.11 Use assistant battery
1) Connect assistant battery
z Stop engine which is equipped with assistant
battery.
z Connect one end of red wire with battery ①
anode (+), and connect the other end with
assistant battery anode (+).
z Connect one end of black wire with cathode ②
of assistant battery, and connect the other end
with excavator framework as earthing
connection. When connecting with excavator
FIG. 3-6
Connect assistant battery
(Black)
Assistant battery Machine battery
②
①
FIG.3-7
Don’t stop engine directly when it is fully loaded,
stop engine after 5 minutes minimum load operation
to unload the heat load and avoid possible damage
to engine. If engine stops with load, remove load
and start engine at once. Operate engine for 1
minute at half speed before loading.
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