OPERATING THE ENGINE
3-11
Using Booster Batteries
IMPORTANT: The machine electrical system is a 24 volt
negative (-) ground. Use only 24 volt booster batteries
with sufficient capacity.
d
WARNING:
An explosive gas is produced while batteries are in
use or being charged. Keep open flames and sparks
away from the battery area. Do not continue to use
or charge the battery when electrolyte level is lower
than specified. Explosion of the battery may result.
Park the machine and a machine with the booster
batteries on a dry or concrete surface, not on steel
plates. If the machine is parked on steel plates,
dangerous sparks may be unexpectedly created on
the machine.
Never connect a positive terminal to a negative
terminal, as a dangerous short circuit will occur.
When the machine batteries are exhausted, start the engine
using booster batteries as shown below.
Connecting the booster batteries cables
1. Stop the engine of the machine on which booster
batteries are mounted.
2. Turn the battery disconnect switch to the OFF position.
3. Connect one end of red cable (1) to the positive (+)
terminal of the machine batteries, and the other end to
the positive (+) terminal of the booster batteries.
4. Turn the battery disconnect switch to the ON position.
5. Connect one end of black cable (2) to the negative (-)
terminal of the booster batteries, and then make ground
connection to the frame of the machine to be started
with the other end of black (-) cable (2). In the last
connection to frame, sparks may fly. Be sure to connect
the cable end as far away from the machine batteries as
possible.
6. After securely connecting the booster cables, start the
engine of the machine on which booster batteries are
mounted.
7. Start the engine of the machine with a problem.
8. After the engine starts, disconnect cables (2) and (1),
following the procedure below.
To Upperstructure Frame of the
Machine
SA-032
Connect First
Battery Disconnect Switch
(Red)
Booster Batteries Machine Batteries
(Black)
Connecting the booster batteries
1
2
MDC1-03-001
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