DIGGER DERRICK
1-66
463280 - 9/14 Terex South Dakota, Inc. Digger Derrick
OPERATION GUIDELINES
AUXILIARY PLATFORM
When operator is in the auxiliary platform, the same control package is used and the operator reaches
across the boom to operate the boom top controls. All controls would operate the same as from the primary
platform, except the direction of operation would be in reverse.
If winch is to be controlled from the top controls, the capacities shown on the load capacity chart must not be
exceeded. Samples of the load capacity charts in section on “Reading the Load Capacity Chart).
EMERGENCY OPERATION
Emergency operation may be required if an operator is injured or the equipment malfunctions. In any
emergency, the first priority is always the safety of the personnel involved. It is always important to
remember to follow the standard work practices and the safety regulations that apply. If the Digger Derrick is
operable, move the platform away from the danger and into the shortest, clear path of descent to get the
operator on the ground. If the Digger Derrick is inoperable, consider using another Digger Derrick to rescue
the operator from the platform. If an equipment defect is suspected, do not allow anyone to enter the
platform. Instead if the situation allows safe operation from the lower controls, override the upper controls
and carefully lower the platform to the ground.
POWER LINE CONTACT ON GROUND
VEHICLE IS TOUCHING A POWER LINE
Take these steps if your vehicle makes contact with a live power line while you are in or on the vehicle:
• Treat any line, as live unless you know for sure it is not.
• Stay inside or on the vehicle until the power is disconnected or turned off.
• Warn others to stay away from the vehicle and any trailers or attachments.
• If you must get away from the vehicle because of fire or other danger:
• Jump out and away from vehicle.
• Do not touch the vehicle and ground at the same time.
• Land with your feet close together.
• Shuffle away taking very small steps keeping feet together.
• Do not try to help others out of the vehicle. Contact with the machine or someone on the machine
will create a current path through you to ground causing serious injury or death.
The upper control winch capacities for use with or without jib must not be
exceeded. Serious injury or death could result.
Do not touch the truck or attachments and the ground at the same time. If the
truck, including Digger Derrick or any attachment connected to the truck, contacts
a power line, you will be a path for the current. Death or serious injury will result.
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