Snorkel SL30SL, Operating Manual

Page: 15 / 64

SL30SL – 8210037 11
Chapter 4 – Safety Devices
This aerial work platform is manufactured with safety
devices, placards, and decals to reduce the likelihood
of an accident.
y
For the safety of all personnel, do not disable, modify,
or ignore any safety device.
y
Safety devices are included in the daily prestart
inspection.
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 red push button (refer to Figure 4.1).
Figure 4.1 – Lower Controls
y
Push the emergency stop button inward to disconnect
power to the lower control circuits.
y
Twist the button clockwise to restore power.
At the upper controls, the emergency stop is a two-posi-
tion red push button (refer to Figure 4.2).
Push the emergency stop button inward when the
upper controls are not in use to protect against un-
intentional operation.
Emergency
Stop
Upper Controls
Emergency Stop
Override
Figure 4.2 – Upper Controls
y
Push the emergency stop button inward to disconnect
power to all the control circuits.
y
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.
y
Hold the upper controls emergency stop override
switch upward to enable the lower controls.
Emergency Lowering Knob
The emergency lowering knob may be used to lower
the platform if there is a malfunction in the hydraulic or
electrical system. The knob is mounted on the left side
of the aerial platform (refer to Figure 4.3).
Figure 4.3 – Emergency Lowering Knob
y
Pull the emergency lowering knob outward to open the
cylinder bleed down valve for emergency lowering.
Emergency
Stop
Emergency
Lowering Knob