DIGGER DERRICK
1-56
463280 - 9/14 Terex South Dakota, Inc. Digger Derrick
OPERATION GUIDELINES
AERIAL PLATFORM OPERATION
Perform all daily pre-operational procedures before using the Digger Derrick for aerial platform operations.
Operators must know and understand the aerial operations contained in this manual before using the Digger
Derrick for aerial platform operations.
AERIAL PLATFORM, BRAKE, AND FALL PROTECTION SYSTEM
WORKING ON OR NEAR ENERGIZED CONDUCTORS
When working on or near energized conductors (either known or suspected), the fiberglass boom must be
fully extended, clean and dry. The load line must be removed across the fiberglass boom and stored on the
winch drum.
While the fiberglass upper boom may provide electrical insulation between the platform and the vehicle,
there are several things it WILL NOT DO:
• It will not provide phase-to-phase protection.
• It will not provide phase-to-ground protection through static lines or guy wires.
• It will not protect the vehicle from being energized if steel booms contact a low level power source.
1. Platform
2. Brake
3. Fall Protection System
4. Lanyard Anchor
The fiberglass boom and platform liners must be dielectrically tested periodically
to verify that the insulating properties are maintained. Do not assume the unit
offers insulating properties if it does not have a current dielectric test (refer to
ANSI A10.31).
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