Chapter 6 – Controls
18 SL30SL – 8210037
Upper Controls
The upper controls (refer to Figure 6.2) are located on the
control panel at the platform. Platform and drive functions
can be operated from the upper controls.
Figure 6.2 – Upper Controls
Warning
The potential for an accident increases from improp-
erly driving or steering the aerial platform. Death or
serious injury could result from such accidents. Make
sure the upper control panel is at the front right side
of the platform, hooked on the guardrail, and hanging
inside the platform.
Avoid driving the platform with the upper controls facing
the rear or side of the machine. In this position the ma-
chine is difcult to control because the drive and steer
control movements and their resulting machine move-
ments will not correspond.
The red arrows at the front of the right guardrail and right
side of the upper controls indicate the proper placement
of the upper controls. Refer to Figure 6.3.
Figure 6.3 – Upper Control Operating Position
Only operate from the upper controls when it is at the front
right side of the platform, hooked on the guardrail, and
hanging inside the platform. In this position the guardrail
Emergency
Stop
Interlock Switch
Steer
Switch
Joystick
Speed
Level
Start
Preheat
Platform Raise/Lower
Horn
Low Speed
Drive
High Speed
Drive
Right Guardrail
Upper Controls
and upper control box arrows will point the same direction,
towards the front of the machine. Refer to Figure 6.3.
The following controls are located on the upper control
panel:
y Preheat button
y Start button
y Emergency stop button
y Joystick
y Interlock switch
y Steer switch
y High speed drive button
y Low speed drive button
y Platform raise/lower button
y Speed level button
y Horn
Preheat Button
The preheat button (refer to Figure 6.2) operates the glow
plugs to aid in starting the engine when the on/off switch
is in the on position.
y When the engine is cold, press and hold the preheat
button for approximately ve seconds before starting
the engine.
Start Button
The engine can be started from the upper controls using
the start button (refer to Figure 6.2).
y Press and hold the start button until the engine
starts.
Emergency Stop Button
The emergency stop (refer to Figure 6.2) is a two-position,
red push button on the top of the upper control panel.
y Push the emergency stop button inward to disconnect
power to all the controls circuits.
y Twist the emergency stop button clockwise to restore
power.
y Push the emergency stop button inward when the
upper controls are not in use to protect against
unintentional operation.
Both the lower and upper control emergency stop buttons
must be on to operate the machine.
Joystick
The joystick (refer to Figure 6.2) is used to either drive
the aerial platform or to raise and lower the platform after
selecting the appropriate function.
y Press the high or low speed drive button to use the
joystick to drive the aerial platform.
y Press the platform raise/lower button to use the joy-
stick to operate the platform functions.
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