Hitachi ZAXIS 450LC-3, Operator'S Manual

Page: 147 / 477

OPERATING THE ENGINE
3-9
USING BOOSTER BATTERIES
d
WARNING:
• An explosive gas is produced while batteries are in
use or being charged. Keep flames or sparks away
from the battery area. Charge the batteries in a
well ven.tilated 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 on a dry, firm 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.
• The operator must be in the operator’s seat so that
the machine will be under control when the engine
starts. Jump starting is a two-person operation.
IMPORTANT: The machine electrical system is a 24 volt
negative (–) ground. Use only 24 volt
booster batteries.
When the machine batteries are exhausted, start the engine
using booster batteries as shown below.
Connecting the booster batteries
1. Stop the engine of the machine on which booster
batteries are mounted.
2. 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.
3. 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, be sure to connect the cable end as
far away from the machine batteries as possible.
4. Start the engine of the machine on which booster
batteries are mounted.
5. Start the engine of the troubling machine.
6. After the engine starts, disconnect cables (2) and (1),
following the procedure below.
SA-032
1
(Black)
Booster Batteies Machine Batteies
(Red)
To Upperstructure of the Machine
2
Connecting the Booster Batteries
M104-03-002