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Safety Systems & Devices
1. List of Safety Systems
(1) Relief Valve
Protect the hydraulic components by relieving
abnormally high pressure in the hydraulic system.
(2) Holding Valve on Boom Elevation Cylinder
Prevents the boom from natural descent in the
event of hydraulic hose breakage.
(3) Holding Valve on Boom Telescope Cylinder
Prevents the boom from natural descent in the
event of hydraulic hose breakage.
(4) Holding Valve on Upper Leveling Cylinder
Maintains the platform level in the event of
hydraulic hose breakage.
(5) Emergency Stop Button
The machine is equipped with readily
identifiable emergency stop buttons, located at
both the upper and lower controls.
Shuts down the engine and stops all of the
movements of the machine when this switch is
pressed.
(6) Emergency Pump
Auxiliary hydraulic pump driven by the battery.
Used to lower the platform in the event of an
engine or main pump failure.
(7) Tilt Alarm Buzzer
The tilt light goes on and the alarm buzzer
sounds when the machine tilts more than 5
degrees. Even If the tilt alarm buzzer sounds
the movements of the machine does not stop.
(8) Travel Alarm Buzzer
The travel alarm buzzer sounds while traveling
to warn the people nearby.
(9) Rotation Lock Pin
Fixes the turntable to the chassis to prevent
the turntable from being rotated when
transporting the machine.
(10) Travel Speed Limit System
This system automatically limits the travel
speed according to various boom statuses. For
the specific function of this system, see the
Section 2 “Travel speed limit system.”
(11) Travel Function Limit System
This system disables the travel function
according to various boom statuses and the tilt
angle of the machine. For the specific function
of this system, see Section 3 “Travel Function
Limit System.”
(12) Guardrails
There are guardrails on all sides of the platform
to help prevent persons in the platform from
falling off the platform. The entry gate is part
of the guardrail system and must be securely
fastened after entering the platform.
(13) Lanyard Anchorage Point
The lanyard anchorage points are to hook the
safety harness to.
Always use a safety harness in the platform.
All personal fall protective equipment must
be attached to only the authorized lanyard
anchorage points provided in the platform.
(14) Touch switch
This switch helps prevent an incorrect
operation caused by an operator falling down
onto controls.
Shuts down the engine and stops all of the
movements of the machine when you touch
this switch on the platform.
WARNING
It is strictly forbidden to make modifications to the machine without obtaining AICHIʼs
written approval. Do not disable or alter the machineʼs components that have an effect on
safety and stability in any way.
Failure to heed warnings could result in decreasing safety, stability, and strength of the
machine, or other hazards leading to death or serious injury.
