JLG M400 Operator Manual - Manual (Page 61)

SECTION 4 - MACHINE OPERATION
3121644 – JLG Lift – 4-11
4.8 GENERATOR
The machine is equipped with an engine powered DC generator
connected in parallel to the 48V DC battery bank.
Automatic Operating Mode
The generator will operate in automatic mode always when the
following two conditions apply.
1. Ground Control Emergency Stop Switch is
pulled out (on), and:
2. The Generator Enable switch on the platform
control console is in the On or Enable position.
When the above conditions apply, the generator’s
controller will monitor status of the batteries, will turn on auto-
matically when the battery voltage drops as a result of discharge
and will turn off when batteries are fully charged.
Battery Only Operating Mode
The machine will operate in the battery only mode when the fol-
lowing two conditions apply:
1. Ground Control Emergency Stop Switch is
pulled out (on), and:
2. The switch on the platform control console is
in the Off or Disable position.
In this mode the machine will operate as a conventional battery
operated unit. The batteries can be used until they are fully dis-
charged.