Installing The Folding Boom Extension - Manitowoc Grove RT9150E Operator's Manual

RT9150E OPERATOR MANUAL

Installing the Folding Boom Extension

DANGER
To prevent serious injury or death, always wear personal
protective equipment; i.e., a hard hat, eye protection,
gloves and metatarsal boots.
1. Before installing the boom extension make sure the
crane is set up on outriggers using normal setup
procedures. Refer to Deploying the Outriggers, page 3-
125.
NOTE: An auxiliary crane with sling is required to install
the boom extension.
2. Rotate the superstructure so the boom is over the front.
3. Retract and lower the boom to horizontal.
4. Attach a tag line to the junction of the 36 ft and 23 ft
extensions.
5. Using a sling attached to an auxiliary crane, lift the
extension in front of the main boom (Figure 4-26).
7567-32
6. Align the extension left side mounting lugs (1) to the
boom nose right side mounting lugs (2) (Figure 4-27).
7. Install the pins (3) through the mounting lugs and secure
with the retaining clips.
To stow the entire 59 ft folding extension on the main boom,
refer to the Stowing Procedure: 59 ft (18 m) Extension, page
4-41.
To erect just the 36 ft extension, refer to Stowing Procedure:
23 ft (7 m) Boom Extension, page 4-40.
To erect the 59 ft extension, continue with the follow steps.
Grove
7567-64
8. While maintaining control with the tag line, swing
extension into position on boom nose.
9. Remove the pins out of the holders (1) (Figure 4-28).
Install the pins (2) into the mounting lugs (3) and secure
with the retaining clips.
NOTE:
FIGURE 4-26
10. Establish electrical connections between the extension
and the main boom, refer to 59 ft (18 m) Extension
Electrical Connections, page 4-32.
11. Install the limit switch, refer to 59 ft (18 m) Extension
A2B Installation, page 4-33
Published 2-23-2017, Control # 644-00
SET-UP AND INSTALLATION
If the pins cannot be inserted, the strain can be
taken off the connecting points. Refer to Relieving
the Load on Connecting Lugs, page 4-26.
1
7567-9
2
2
1
3
2
1
FIGURE 4-27
4
3
FIGURE 4-28
4-25