Snorkel A38E-sn004509+ - Manual (Page 15)

A38E – 8210052 11
This aerial work platform is manufactured with safety
devices, placards, and decals to reduce the likelihood
of an accident.
For the safety of all personnel, do not disable, modify,
or ignore any safety device.
Safety devices are included in the daily prestart in-
spection.
Warning
The potential for an accident increases when safety
devices do not function properly. Death or serious
injury could result from such accidents. Do not alter,
disable, or override any safety device.
If any safety devices are defective, remove the aerial
platform from service until qualified maintenance person-
nel can make repairs.
Emergency Stop Controls
There is an emergency stop control at the lower and
upper controls. Both the lower and upper control emer-
gency stop buttons must be on to operate the machine.
At the lower controls, the emergency stop is a two-posi-
tion push button (refer to Figure 4.1).
Figure 4.1 – Lower Controls
Push the emergency stop button inward to disconnect
power to all control circuits.
Twist the button clockwise to restore power.
At the upper controls, the emergency stop is a two-posi-
tion push button (refer to Figure 4.2).
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Chapter 4 – Safety Devices
Figure 4.2 – Upper Controls
Push the emergency stop button inward to disconnect
power to the upper control circuits.
Twist the button clockwise to restore power.
Upper Controls Emergency Stop Override
The upper controls emergency stop override (refer to
Figure 4.1) allows the platform to be lowered from the
lower controls in the event the upper controls emergency
stop button is depressed.
Hold the upper controls emergency stop override
switch upward to enable the lower controls.
Emergency Lowering Knobs
The emergency lowering knobs may be used to lower
the booms if there is a malfunction in the hydraulic or
electrical system.
A knob is located on the base end of the riser boom cyl-
inder and on the base end of the main boom lift cylinder
(refer to Figure 4.3).
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Emergency Stop
Button
Upper Controls
Emergency Stop
Override
Emergency Stop
Button