Manitowoc Grove RT770E User Manual

Grove Published 04-04-2017, Control # 446-09 4-1
RT770E OPERATOR MANUAL SET-UP AND INSTALLATION
4
SECTION 4
SET-UP AND INSTALLATION
SECTION CONTENTS
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Accessing the Hoist Area (Fixed counterweight
units only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Travel Configuration . . . . . . . . . . . . . . . . . . . . . . . 4-1
Working Position. . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Installing Cable on the Hoist . . . . . . . . . . . . . . . . . 4-2
Cable Reeving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Boom Cable Reeving . . . . . . . . . . . . . . . . . . . . . . 4-3
Dead-End Rigging/Wedge Sockets . . . . . . . . . . . . 4-3
Installing Wedge and Socket . . . . . . . . . . . . . . . . 4-3
Erecting and Stowing the Bi-fold Boom
Extension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Boom Extension Rigging Mode . . . . . . . . . . . . . . . 4-8
Erecting the Boom Extension . . . . . . . . . . . . . . . . 4-8
Stowing the Boom Extension. . . . . . . . . . . . . . . . 4-15
Setting the Folding Swingaway Offset . . . . . . . . . 4-17
Erecting and Stowing the Bi-fold Boom
Extension with the 6.1 m (20 ft) Insert . . . . . . . . . 4-18
Erecting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Stowing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Fixed Counterweight . . . . . . . . . . . . . . . . . . . . . . . 4-21
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Removable Counterweight (Optional) . . . . . . . . . 4-23
Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
GENERAL
This section provides procedures for installing the hoist
cable on the hoist drum, cable reeving, and erecting and
stowing the boom extension.
ACCESSING THE HOIST AREA (FIXED
COUNTERWEIGHT UNITS ONLY)
Configure the hoist access area from the Travel Position
(Figure 4-1) to the Working Position (Figure 4-2).
Travel Configuration
1. Railing (1) (Figure 4-1) is in the pinned and down
position.
2. Pull the step locking pin out, slide the step (2) in to the
travel position and release the lock pin to secure the
step in travel position.
DANGER
Platform must not be used for hauling passengers as
death or serious injury could occur.
No storage of components are allowed on the platform.
Only one person at a time is allowed on the platform.
FIGURE 4-1
7649-20
1
2

Manitowoc Grove RT770E Specifications

General

Brand	Manitowoc
Model	Grove RT770E
Category	Construction Equipment
Language	English