
First Edition • Second Printing
Operator's Manual
Controls
Part No. 1257143GT
Z
®
-33
21
Ground Control Panel
1 Platform level switch
Move the platform level
switch up and the level of the
platform will raise. Move the
platform level switch down
and the level of the platform
will lower.
2 Turntable rotate switch
Move the turntable rotate
switch to the right and the
turntable will rotate to the
right. Move the turntable
rotate switch to the left and
the turntable will rotate to
the left.
3 Primary boom extend/retract switch
Move the primary boom
extend/retract switch to the
right and the primary boom
will retract. Move the boom
extend/retract switch to the
left and the primary boom
will extend.
4 Primary boom up/down switch
Move the switch up and the
primary boom will raise.
Move the switch down and
the primary boom will lower.
5 Platform overload indicator light
Light flashing indicates the platform is
overloaded and no functions will operate.
Remove weight until the light goes off.
6 Key switch for platform/off/ground selection
Turn the key switch to the platform position
and the platform controls will operate. Turn the
key switch to the off position and the machine
will be off. Turn the key switch to the ground
position and the ground controls will operate.
7 Red Emergency Stop button
Push in the red Emergency Stop button to the
off position to stop all functions. Pull out the
red Emergency Stop button to the on position
to operate the machine.
8 Secondary boom up/down switch
Move the switch up and
the secondary boom will
raise. Move the switch
down and the secondary
boom will lower.
9 Function enable button
Press and hold the function enable button to
enable the functions on the ground control
panel to operate.
10 Auxiliary power switch
Use auxiliary power if the primary power
source (engine) fails.
Simultaneously hold the auxiliary power switch
to either side and activate the desired function.
11 Hour meter