Hitachi ZAXIS 450LC-3 Operator's Manual page 148

Disconnecting the booster batteries
1. Disconnect black negative (–) cable (2) from the machine
frame first.
2. Disconnect the other end of black negative (–) cable (2)
from the booster batteries.
3. Disconnect red positive (+) cable (1) from the booster
batteries.
4. Disconnect red positive (+) cable (1) from the machine
batteries.
OPERATING THE ENGINE
3-10
Booster Batteies
(Black)
To Upperstructure of the Machine
2
Connecting the Booster Batteries
1
(Red)
Machine Batteies
M104-03-002