Manitowoc Grove GRT8120, Operator'S Manual

Page: 367 / 448

Grove
Published 3-22-2021, Control # 702-02
5-59
GRT8120 OPERATOR MANUAL SET-UP AND INSTALLATION
5
Folding Mast Sheave
Use the following procedures to erect and stow the mast
sheave on the boom extension base section.
Erecting the Mast Sheave
The mast sheave shall be erected when the boom extension
is used. The sheave must be lowered for travel.
1. Remove the retaining clip from the pin (1, Figure 5-82).
2. Hold the mast sheave by the handle (2, Figure 5-82) and
pull out the pin (1).
3. Fold the mast sheave (1) up and fasten it in this position
with the pin (2, Figure 5-83).
4. Secure the pin (2) using the retaining clip.
Stowing Mast Sheave
1. Remove the retaining clip from the pin (2, Figure 5-83).
2. Hold the mast sheave by the handle (3) and pull out the
pin (2).
3. Fold the mast sheave (1) down and fasten it in position
with the pin (2).
4. Secure the pin (2) using the retaining clip.
CAUTION
Pinch Hazard!
Keep hands clear of the moving mast sheave during
erecting and stowing. Always use the handle provided to
control the movement.
8969-26
FIGURE 5-82
1
2
8969-27
FIGURE 5-83
1
2
3