Hitachi ZW 550-6 Operator's Manual page 221

1. Connecting the booster batteries
1.1 Stop the engine on the booster battery mounted
machine.
1.2 Connect one end of red booster cable (1) to the
positive (+) terminal of the machine battery, and the
other end to the positive (+) terminal of the booster
battery.
1.3 Connect one end of black booster cable (2) to the
negative (-) terminal of the booster batteries, and
then connect the other end of the cable to the bolt of
black cable (3) on machine frame side that connects
the negative (-) terminal of the machine battery and
machine frame. In the last connection to the bracket,
sparks may fly so keep the machine batteries as far
away as possible from the bracket.
1.4 After securely connecting the booster cables, start the
engine on the booster battery mounted machine.
1.5 Start the engine on the machine.
1.6 After the engine starts, leave the booster batteries
connected long enough so as not to overload
alternator, then disconnect booster cables (1 and 2) in
the following steps.
2. Disconnecting the booster cables
2.1 Disconnect black negative (-) cable (2) from the
machine frame first.
2.2 Disconnect the other end of black booster cable (2)
from the negative terminal of the booster batteries.
2.3 Disconnect one end of red booster cable (1) from the
positive terminal of the booster battery.
2.4 Disconnect the other end of red booster cable (1) from
the positive terminal of the machine battery.
OPERATING THE ENGINE
3-11
1 (red)
2 (black)
115Z7-3-10