GROVE 6-45
TMS9000-2 OPERATOR MANUAL SET-UP AND INSTALLATION
Published 02-21-2019, Control # 611-05
Securing Extension with Tag Line (Rope)
The extension must be secure before beginning the erection
procedure.
Secure the extension as follows:
• Attach a tag line at the front of the extension.
• Guide the tag line underneath the extension and
through a bracket on the main boom and back
again.
• Have a helper hold the tag line tight while removing
the last connection.
NOTE: If alone, secure the other end of the tag line on the
crane (e.g. on the steps of the access ladder to the
carrier or to the hole in the superstructure).
Extension Erecting Warnings and
Requirements
Before you erect a boom extension, the following
requirements must be met:
• The folding extension is mounted on the side of the main
boom and is secured in the transport condition.
• The crane is level, supported on outriggers according to
the Load Chart for the planned operation with the
configured extension.
• The main boom is completely retracted and has been
lowered into a horizontal position.
Erecting Procedure: 35 ft (10.5 m) Base
Extension
This procedure is for erecting just the 35 ft base extension,
leaving the 23 ft fly extension attached to the main boom.
1. Visually check to ensure all pins securing the extension
are installed.
NOTE: The crane should be setup on outriggers according
to the configuration for the planned operation.
2. Retract and lower boom to horizontal for erecting over
the rear of the crane.
3. Attach a tag line to the junction of the 35 ft and 23 ft
extensions (Figure 6-79).
a. Guide the tag line around the end of the extension
and through the bracket on the main boom and back
again.
4. If possible, have a helper hold the tag line tight while
releasing the connections. If a helper is not available
secure the tag line to the main boom. Release the spring
latch (1, Figure 6-76). Fold out the run-up ramp (2) until
the spring latch (1, Figure 6-77) engages the tab (2).
DANGER
Crushing Hazard!
Always use a tag line to control the movement of the
boom extension during the erection and stowing process.
Death or serious injury could result from being crushed by
moving machinery.
DANGER
Crushing Hazard!
Before attempting to erect or stow the boom extension,
read and strictly adhere to all danger decals installed on
the extensions and stowage brackets.
DANGER
Crushing Hazard!
During installation and removal, always use the proper
equipment with sufficient load bearing capacities.
DANGER
Crushing Hazard!
Main boom angles are used to control speed at which
extensions swing during erecting and stowing procedure.
Improper boom angles will cause uncontrollable swing
speeds of the extension, which may cause death or
serious injury.
WARNING
Falling Hazard!
To prevent serious injury or death, do not stand on
decking until extensions are secure.
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