Manitowoc Grove GRT880

SET-UP AND INSTALLATION GRT880 OPERATOR MANUAL
4-20 Published 3-25-2020, Control # 643-04
18. Slowly elevate boom and remove blocking from under
Insert and boom extension.
19. If required, erect the boom extension fly section. Refer to
Erecting Boom Extension Fly Section, page 4-13
20. Rig hoist cable.
21. If required, set offset. Refer to Setting Boom Extension
Manual Offset, page 4-16.
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FIGURE 4-21
Item Description Item Description
1 Boom Nose Upper Sheaves 5 6.1 m (20 ft) Insert
2 Cable Roller 6 Boom Extension Base Section Attachment Pins
3 Attachment Pins 7 Boom Nose Lower Sheaves
4 Attachment Pin Stowage Holder 8 Boom Extension Mast Assembly