Chapter 4 – Safety Devices
14 A46JRT – 0260996
Platform Foot Switch
Step down on the platform foot switch (refer to Figure
4.3) to activate the upper controls.
Figure 4.3 – Platform
The foot switch must be engaged and a control must be
moved to operate the boom, drive, and/or platform from
the upper controls.
Guardrails
The guardrails (refer to Figure 4.3) help protect personnel
from falling off the platform.
The guardrail system includes:
• A top rail
• A mid rail
• Three gravity gates: one on each side and one rear
• Toeboards around the sides of the platform.
The gates close automatically after entering or exiting the
platform. After entering the platform check to make sure
the gates are fully closed.
Fall Protection Anchors
Two anchors for fall protection anchorage are provided
below the upper controls at the front of the platform (refer
to Figure 4.3).
Note
The fall protection anchors are not for lifting or tying the
machine down.
• All personnel in the platform must connect their fall
protection device to a fall protection anchor before
raising the platform.
• Attach only one fall protection device to each anchor.
Ground Fault Circuit Interrupter
The electrical power outlets at the platform (refer to Figure
4.4) contains a ground fault circuit interrupter (GFCI) to
provide protection for personnel.
Figure 4.4 – Electrical Power Outlet
Platform Overload Sensing System
All functions are stopped from the upper and lower con-
trols, when the platform overload limit is exceeded. The
horn will sound intermittently and the platform overload
light (refer to Figure 4.1 and 4.2) will blink until the ex-
cess load is removed from the platform. At that time, the
machine functions are again operational.
If the platform becomes significantly overloaded, or if an
upward force on the platform exceeds approximately 500
lb (2225 N), the system will enter into error mode, stopping
all functions from the upper and lower controls. The horn
will then sound constantly and the overload light will stay
illuminated at the upper and lower controls.
The system will remain in error mode until the excess
load is removed from the platform and the emergency
stop button or start switch is cycled off and back on,
resetting the system. At that time, the machine functions
are operational.
Caution
The emergency power system is for emergency low-
ering and stowing only. The length of time the pump
can be operated depends on the capacity of the bat-
teries. Do not use this system for normal operation.
If the platform overload sensing system is tripped while
operating the machine or if the system is in error mode
and can not be reset, the emergency power system may
still be used for emergency machine operation from either
the lower or upper controls.
Danger
The aerial platform can tip over if it becomes unsta-
ble. Death or serious injury will result from a tip-over
accident. Do not exceed the capacity values indicated
on the platform rating placard.
The overload sensing system is not active when the ma-
chine is being driven with the booms in the stowed position.
This allows the machine to be driven without the system
sensing an overload due to rough ground conditions.
Test Button
Reset Button
Toeboard
Platform Foot
Switch
Fall Protection
Anchors
Top Rail
Mid Rail
Gravity Gate
Gravity Gate
To Next Page
Loading...
