Manitowoc Grove GRT655L - Page 233

Grove Published 3-23-2020, Control # 654-04 5-31
GRT655/655L OPERATOR MANUAL SET-UP AND INSTALLATION
5
10. Sufficient momentum is needed to swing and engage
the boom extension to the front stowage bracket. Using
the tag line attached to the tip of the boom extension,
manually swing the boom extension up the folded out
ramp until the front stowage lugs engage the front
stowage bracket (Figure 5-31). Raise and lower the
boom as needed to help control the movement of the
boom extension.
11. Connect the boom extension to the front stowage
bracket by using an impact wrench and the provided
extension (80104116) and socket (80104383) to turn the
jack screw (1, Figure 5-31) clockwise.
Make sure the jack screw bottoms out and the top
attachment pin is fully engaged (spring will be
compressed).
12. At the front stowage bracket, install the cross pin
(1, Figure 5-32) in the holes underneath the jack screw.
Secure the cross pin in position with retaining clip.
13. Disengage the attachment pins securing the boom
extension to the right side of the boom nose.
Use an impact wrench and the provided extension
(80104116) and socket (80104383) to turn the jack
screw (1, Figure 5-33) clockwise. Make sure the
attachment pins are fully disengaged.
DANGER
When stowing the boom extension, make sure that all
personnel and equipment are kept clear of the swing path.
FIGURE 5-31
1
9216-8
DANGER
Boom Extension Fall Hazard
An unsecured boom extension may fall resulting in death
or serious injury.
Do not remove the boom nose attachment pins until the
boom extension is supported on the rear stowage bracket
ramp and securely attached to the front stowage bracket
with the attachment pin.
FIGURE 5-32
1
9216-9
FIGURE 5-33
9216-2
1