SL30SL – 8210037 45
If the emergency stop button at the upper controls is
depressed, the platform may be lowered and stowed in
an emergency using the upper controls emergency stop
override button. If the main hydraulic system fails the
aerial platform may be lowered and stowed using the
emergency lowering knob. The machine may be towed
if the drive system fails.
Refer to Emergency Lowering Knob, Upper Controls
Emergency Stop Override, or Towing for the appropriate
procedure.
Emergency Lowering Knob
The platform can be lowered in an emergency using the
emergency lowering knob located on the left side of the
machine under the lower control panel (refer to Figure
10.1).
Figure 10.1 – Emergency Lowering Knob
The emergency lowering knob allows the platform to
be lowered if there is a malfunction in the hydraulic or
electrical system. Only use this method if the engine will
not start.
Use the following procedure to lower the platform:
1. Locate the emergency lowering knob at the left side
of the chassis (refer to Figure 10.1).
Danger
Pinch points exist on the moving components. Death
or serious injury will result from becoming trapped
between components. Make sure all personnel stand
clear while lowering the platform with the emergency
lowering knob.
2. Make sure there is nothing in the way to obstruct the
platform when it lowers.
3.
Release the knob to stop the platform from lowering.
Emergency
Lowering Knob
Chapter 10 – Emergency Operation
Warning
The potential for an accident increases when safety
devices do not function properly. Death or serious
injury could result from such accidents. Fully close
the emergency lowering valve before operating the
aerial platform.
4. Make certain the knob is fully released and the emer-
gency lowering valve is fully closed before operating
the aerial platform.
Upper Controls Emergency Stop Override
The upper controls emergency stop override (refer to
Figure 10.2) allows the platform to be lowered from the
lower controls in the event the upper controls emergency
stop button is depressed.
Figure 10.2 – Lower Controls
1. At the upper controls, press the emergency stop
button inward.
2. At the lower controls, turn the on/off switch to the on
position and twist the emergency stop button clock-
wise.
3. Hold the upper controls emergency stop override
switch upward to active the lower controls, and press
the start button to start the engine.
4. While holding the upper controls emergency stop
override switch upward, press and hold the enable
and platform lower button until the platform is fully
lowered.
Towing
The aerial platform may be towed at slow speeds. The
tow vehicle must have sufcient capacity to safely tow
and stop itself and the aerial platform on the steepest
grade and type of surface that may be encountered.
Refer to Chapter 2 for the empty vehicle weight of the
aerial platform.
The aerial platform may be pushed or pulled after disen-
gaging the brakes.
On/Off Switch
Upper Controls
Emergency Stop
Override
Start
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