Manitowoc Grove RT770E User Manual

SET-UP AND INSTALLATION RT770E OPERATOR MANUAL
4-14 Published 04-04-2017, Control # 446-09
20. Extend the boom extension alignment jack until the
lower left side boom nose and boom extension adapter
lugs are aligned; install the attachment pin into the lower
left anchor and attachment fitting of the boom nose.
Install retainer clip in attachment pin.
21. Retract the alignment jack to its original position, then
return the jack handle to its stowed position.
22. Extend the boom until it automatically stops.
NOTE: Reaching this stopping point is required for the
Boom Extension Rigging Mode process.
23. Lower the boom and remove the rope from the tip of the
extension base section.
24. Retract the boom until it stops on the stop block.
NOTE: When the boom reaches this stopping point and
the section 1 and section 2 proximity switches are
activated, the Boom Extension Rigging Mode is
complete and the restrictions on the boom
operating modes are removed.
25. Connect RCL cables:
a. Remove RCL cable end connector (1) Figure 4-11
from extension and route through boom extension.
b. Remove dummy plug (1) Figure 4-12 from junction
box on boom nose.
c. Install cable end connector (1) Figure 4-13 from
boom extension where dummy plug was removed.
26. Erect the boom extension fly section as follows:
a. Attach a length of rope to the tip of the extension fly
section to aid in swinging the fly into place ahead of
the base section. Ensure that the right base to fly
extension attachment pin is in place.
b. Position the boom to horizontal.
c. At the fly section sheave end (see detail E), push in
on the spring loaded latch hook to release the latch
allowing fly to separate from the base.
d. Slightly raise and/or lower the boom to help control
the extension fly. Using the rope attached to the tip
of the fly section, swing the fly into place ahead of
the extension base, engaging the anchor fittings
with the attachment fittings on the left side of the
base section.
DANGER
Do not attempt to erect the fly section unless it was
attached to the boom extension base section during the
initial erection procedure.
6642-19
FIGURE 4-11
1
DANGER
When erecting the extension fly section, ensure that all
personnel and equipment are kept clear of the swing path.
6642-20
FIGURE 4-12
1
6642-21
FIGURE 4-13
1

Manitowoc Grove RT770E Specifications

General

Brand	Manitowoc
Model	Grove RT770E
Category	Construction Equipment
Language	English