JLG E300 Operator Manual - Manual (Page 48)

SECTION 4 - MACHINE OPERATION
4-2 – JLG Lift – 3121214
Stability
Machine stability is based on two (2) conditions which are
called FORWARD stability and BACKWARD stability. The
machine’s position of least FORWARD stability is shown in
Figure 4-1. and its position of least BACKWARD stability is
shown in Figure 4-2.
TO AVOID FORWARD OR BACKWARD UPSET, DO NOT OVERLOAD
MACHINE, OR OPERATE ON OUT-OF-LEVEL SURFACE.
4.3 MOTOR OPERATION
Power/Emergency Stop
This red, mushroom-shaped switch provides battery power
to the Platform/Ground Select switch, when pulled out (on),
for all machine functions. The switch should be pushed in
(off) when recharging the batteries or parking the machine
overnight.
Platform/Ground Select Switch
The Platform/Ground Select switch functions to direct battery
power to the desired control station when the POWER/
EMERGENCY STOP switch is pulled out (on). With the
switch in the GROUND position, battery power is supplied to
the ground control station. When the switch is in the PLAT-
FORM position, battery power is supplied to the platform
control station.
The key is removable in the platform position on CE
machines. The key must be available to ground personnel in
the event of an emergency.