Komatsu PC490-11, Installation And Instruction Manual

Page: 185 / 492

GREASE PUMP HOLDER
This is installed in the battery box at front right of the machine.
Keep the grease pump hooked on this holder while it is not
used.
FIRE EXTINGUISHER
(if equipped)
A fire extinguisher is provided at the rear part inside the opera-
tor's cab.
The directions are described on the nameplate affixed to the
fire extinguisher. Carefully read and understand them before-
hand for emergencies.
BATTERY DISCONNECT SWITCH
k k
CAUTION
• Do not operate the battery disconnect switch while the engine is running.
The large current generated by the alternator may burn the electric parts and cause a fire.
Engine must be stopped while operating the battery disconnect switch.
• If the battery disconnect switch is turned to OFF position, always remove the switch key.
If someone turns the key to ON position carelessly, this is extremely dangerous.
NOTICE
• Keep battery disconnect switch in ON position except the following cases.
• When the machine is stored for a long time (more than a month)
• When repairing the electrical system
• When performing electric welding
• When handling the battery
• When replacing the fuse, etc.
• Do not turn the battery disconnect switch to OFF position while the system operating lamp is lit. If
the battery disconnect switch is turned OFF while this lamp is lit, the data in the controller may be
lost.
• If this switch is turned to OFF position, all the electrical system is cut out and the functions of KOM-
TRAX stop. In addition, the time information of the clock and the radio tuning information may be
lost. In this case, set the information again. For detail, see “CLOCK ADJUSTMENT (3-81)” and
“HANDLING RADIO (3-231)”.
OPERATION EXPLANATION OF COMPONENTS
3-113