© Dec 2021 7-4 GTZZ14EJ&16EJ Operation Manual
OPERATING THE MACHINE
Figure 7-3
EMERGENCY LOWERING
In case of any fault in the electric power equipment,
operate as indicated by the emergency lowering decal.
Refer to Testing the Emergency Lowering Function,
page 6-12 for details.
EMERGENCY OPERATING
When the operator is unable to control the
machine:
1. Other personnel should operate the machine from
the ground controls only as required by the safety
rules.
2. Other qualified personnel on the platform may use
the platform controls. Do not continue operation if
the controls do not function properly.
3. Cranes, forklift trucks or other equipment can be
used to stabilize motion of the machine.
When the platform or boom is caught
overhead:
If the platform or boom becomes jammed or snagged in
overhead structures or equipment, rescue all people in
the platform before freeing the machine.
EMERGENCY TOWING/
DRAGGING
UNSAFE OPERATION HAZARD
• Unless in case of emergency
situations, machine
malfunction, power loss or
loading/unloading, it is strictly
prohibited to tow or drag the
machine.
• When towing/dragging the
machine, there should be no
person in the platform.
• Before towing/dragging the
machine, ensure that the
machine is in stowed position
with the turntable securely
locked and platform free of any
tools or objects.
• Do not tow/drag the machine
with the engine started or the
drive hub engaged.
• The machine must on a level
surface or secured before
releasing the brake.
• The towing/dragging of the
machine must follow the local
laws and traffic rules.
1. Choke wheels securely to prevent motion of the
machine.
2. Ensure the travel path is free of obstacles and the
main power switch is off.
3. Loosen the bolts on each drive hub, then reverse
the cover of drive hub.
4. Tighten the bolts, till now the drive hub is
disengaged and ready for towing/dragging.
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