Grove Published 3-22-2021, Control # 702-02 5-45
GRT8120 OPERATOR MANUAL SET-UP AND INSTALLATION
a. Use the ODM control pad arrow buttons or jog dial
to highlight lock icon.
The lock icon highlights (orange).
b. Press and hold the OK on the ODM control pad or
press down on the jog dial.
The lock status indicator icon turns green, indicating
the pin is extended. The boom extension is
displayed as secured to the main boom.
21. Visually verify that the rear mounting pin is securely
installed.
22. Attach fly section to boom base by doing the following:
a. Remove retaining clip (1, Figure 5-65) from pin (2)
at fly section stowage bracket (3).
b. Turn pin (2) clockwise, allowing the spring-action pin
to lock into the fly section.
c. Reinstall the retaining clip (1) into the pin (2).
23. Remove tag line.
24. Disconnect boom extension electrical connections. For
more information, see Boom Extension Electrical
Connections, page 5-51.
25. If stowing a hydraulic boom extension, disconnect
hydraulic hoses. For more information, see Hydraulic
Boom Extension Connections, page 5-52.
Erecting the 10.5 m (34.5 ft) Boom Extension
Base Section Only
Use the following procedure to erect the boom extension
base section. During this procedure, the boom extension
base section is detached from the fly section and attached to
the boom nose. The fly section remains attached to the side
of the main boom. In the ODM, Pin #1 will be shown as
locked.
DANGER
Boom Extension Hazard!
To avoid death or serious injury, follow procedures and
cautions in the Operator and Safety Manuals and decals
during erection, stowage and use of boom extension.
Install and secure all pins properly and control boom
extension movement at all times.
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