5-46 Published 7-23-2020, Control # 668-02
SET-UP AND INSTALLATION GRT9165 OPERATOR MANUAL
General Warnings
Boom Extension Configurations
Figure 5-30 shows the sections of the boom extension. The
boom extension can be deployed in the following
configurations:
• 10.9 m (35.8 ft) manual (standard) or hydraulic
(optional) off-settable boom extension base section only.
The mechanical boom extension can be manually offset
to 0°, 15°, 30°, or 50°. The hydraulically boom extension
can be offset from 0° to 50°.
• 17.8 m (58.4 ft) manual (standard) or hydraulic
(optional) off-settable boom extension base section with
the fly section deployed. The boom extension can be
manually offset to 0°, 15°, 30°, or 50°. The boom
extension can be hydraulically offset from 0° to 50°.
• 8 m (26.2 ft) Lattice Insert (optional) with the 17.8 m
(58.4 ft) boom extension deployed. The boom extension
base section can be manually (standard) or hydraulically
offset (optional). The boom extension can be manually
offset to 0°, 15°, 30°, or 50°. The boom extension can be
hydraulically offset from 0° to 50°.
DANGER
Make sure the boom is fully retracted during erection and
stowage of the boom extension.
If the boom is extended during this process, the pins may
not engage properly and/or the boom extension could
move in an uncontrolled manner resulting in death or
serious injury.
DANGER
To prevent serious injury or death, always wear personal
protective equipment, including a hard hat, eye
protection, gloves, and metatarsal boots.
Before attempting to erect or stow the boom extension,
read and strictly adhere to all danger decals installed on
the boom/boom nose, boom extension, and stowage
brackets to prevent serious injury or death.
Controlling the boom extension during erecting and
stowing procedures is accomplished by raising or
lowering the boom. Failure to control the boom extension
could cause serious injury or death.
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