Grove RT9130E - Checklists for Rigging Work; Installing the 26 M;34 M Boom Extension

BOOM RT9130E SERVICE MANUAL
4-48 Published 08-25-09, Control # 077-04
Checklists For Rigging Work
Installing the 26 m/34 m Boom Extension
Requirements
NOTE: An auxiliary crane must be ready
1. If the lattice extension is folded up at the side of the main
boom, remove the lattice extension.
2. Installing 8 m sections in front of the main boom:
For 26 m boom extension an 8 m section
For 34 m boom extension both 8 m sections
3. Attach folded two-stage swingaway lattice extension in
front of 8 m section.
4. Attach guide rope to the head of the 7 m section.
5. Release connection between 7 m section and 11 m
section.
6. Swivel the 7 m section in front of the 11 m section.
7. Fasten 7 m section with pin on left-hand side in front of
11 m section.
8. If unit is equipped with a hydraulic luffing boom
extension, establish a hydraulic connection between
lattice extension and main boom.
9. Establish electrical connections.
10. Fold out deflection sheaves on all sections.
11. Place hoist cable over all the deflection sheaves and the
head sheave of the 7 m section.
22 m boom extension
(85 ft boom extension)
27 m boom extension
(89 ft boom extension)
5 m section
(16 ft section)
5 m section
(16 ft section)
10 m section
(33 ft section)
7 m section
(23 ft section)
5 m Section
(16 ft Section
10 m Section
(33 ft Section
7 m Section
(23 ft Section
FIGURE 4-11
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