JLG M450 Operator Manual - Manual (Page 56)

SECTION 4 - MACHINE OPERATION
4-10 – JLG Lift – 3121210
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 EMS 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 automatically
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
following two conditions apply:
1. Ground Control EMS is pulled out, 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 bat-
tery operated unit. The batteries can be used until they are
fully discharged.
Manual (Charge) Operating Mode
The generator will operate in manual mode always when the
following three conditions apply.
1. Ground Control EMS is pulled out, and:
2. The switch on the platform control console is in the On
or Enable position and:
3. The Manual Charge push button is activated.