Manitowoc GROVE RT890E Operator's Manual page 75

RT890E
13. Remove the right hand locking pin between the 33 ft
(10.1 m) section and the main boom head.
14. Swing the 33 ft (10.1 m) section on the run-up rail onto
the main boom.
15. Secure the connection in the front area.
If the 23 ft (7 m) section is not attached to the main boom,
proceed to step 20.
16. Move the connection in the middle area 23 ft (7 m)
section/33 (10.1 m) ft section.
17. Establish the connection at the pivot point between 33 ft
(10.1 m) section and 23 ft (7 m) section.
If the 23 ft (7 m) section is attached to the main boom,
proceed to step 21.
18. Establish the connection between 33 ft (10.1 m) section
and the main boom in the rear area.
19. Remove electrical connection between the lattice
extension and the main boom.
SET-UP AND INSTALLATION
20. Disconnect hydraulic connection between the lattice
extension and the main boom.
21. Check whether the lattice extension is in transport
condition.
22. Fold in the run-up rail.
23. If necessary, remove hose drum connection for
hydraulic supply.
Checklist: Rigging the 56 ft (17.1 m) two-
stage swingaway lattice extension
1. Prepare the crane for rigging the swingaway lattice
extension.
2. If necessary, connect the hose drum for hydraulic
supply.
3. Check if the lattice extension was unrigged properly and
is in transport condition.
4. Fold out the run-up rail.
5. Move the connection in the middle area 23 ft (7 m)
section/33 ft (10.1 m) section.
4
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