Doosan DX700LC Operation And Maintenance Manual page 149

6. After engine has started, release key. Key will return to the
"I" (ON) position (Figure 10).
7. After the engine starts, check all operating indicators to
make sure that all engine systems (oil pressure, coolant,
etc.) are in the normal operating range. If any problems are
noticed, shut down engine.
8. Follow "Hydraulic System Warm-up" procedures in this
section. (See page 3-9)
Starting Engine With a Booster Cable
1. An explosive gas is produced while batteries are in
use or being charged. Keep flames or sparks away
from the battery area.
2. Charge batteries in a well ventilated area.
3. Always wear eye protection when starting a machine
with jumper cables.
4. Improper jump starting procedures can cause an
explosion resulting in personal injury.
5. Jump start vehicles on dry ground or concrete. Do not
jump start the machine on a steel floor, because the
floor is always grounded.
6. When starting from another machine, make sure the
machines do not touch.
7. Always connect the auxiliary battery positive (+)
terminal too depleted battery positive (+) terminal first.
Then connect auxiliary battery negative (-) terminal to
the frame of the depleted battery machine second.
8. Connect positive cable first when installing cables and
disconnect the negative cable first when removing.
IMPORTANT
The machine has a 24V (-) negative ground electrical
system. Use the same capacity 24V booster batteries when
jump starting engine.
If the batteries are drained during starting procedures, jump start
engine using auxiliary or booster batteries according to the
following procedure;
Operation
WARNING
Figure 11
HAOA440L
OP001122
3-7