Case 580SR, Service Manual

Page: 993 / 1068

SECTION 55 - ELECTRICAL SYSTEM 165
7.6 CONNECTING A BOOSTER BATTERY
S WARNING
When the electrolyte of a battery is frozen, it can ex-
plode if you attempt to charge the battery or if you try
to start the engine using a booster battery. Always
keep the battery charged to prevent the electrolyte
freezing.
S WARNING
Connecting jumper cables wrongly or short-circuiting
battery terminals can cause an accident. Connect
the jumper cables following the instructions in this
manual.
IMPORTANT: make sure that the voltage of the
booster batteries is the same as that of the machine
circuit (12 V).
Z
Open the battery box and then remove the tool box.
Z
Remove the terminal covers.
Z
Connect the positive (+) jumper cable to the posi-
tive (+) terminal of the machine’s battery.
Z
Connect the negative (-) jumper cable to one of the
fastening screws (1) of tank.
Z
Start the engine
Z
First disconnect the negative (-) jumper cable, then
disconnect the positive (+) jumper cable from the
booster battery.
Z
Install the terminal covers.
Z
Install the tool box and close the battery box.
7.7 BATTERY MASTER SWITCH
The battery master switch is located into battery
compartment and is used to disconnect the electrical
system completely from the battery.
When the battery master switch has an inclination of
45°, the system is disconnected.
When the battery master switch is in horizontal posi-
tion, the system is connected.
S WARNING
The battery master switch must be switched off at
the end of each working day, for machine service or
for any operations on the electrical system. It acts as
an anti-theft device when the cab doors and win-
dows are locked.
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