Manitowoc Published 04-06-18, Control # 231-14 4-121
MLC650 VPC-MAXâ„¢ OPERATOR MANUAL SET-UP AND INSTALLATION
See Figure 4-101 for the following procedure.
13. Position the live mast at 107° and engage the mast hoist
pawl.
14. Connect the SH 2 shackles (6) and SL 6 slings (5) to the
mast butt.
15. Slowly hoist with the assist crane until the mast is
supported by SL 6 slings (5) and SL 1 slings (2) are
slack.
The bottom chords of the mast butt should be parallel to
the ground.
16. Disconnect the SL 1 slings (2) from the SH 2 shackles
(3). Leave the shackles pinned to the fixed mast butt (4).
17. Remove the locking pin (8) and flip up the pivot pin
retainer (9) at one of the pivot pins (10).
18. Install the pin puller cage and the hand-held pin puller.
19. Using the hand-held pin puller (see "Hand-Held Pin
Puller" on page 4-8), remove the pivot pin.
20. Remove the hand-held pin puller and the pin puller cage.
21. Repeat step 17
through step 20 for the opposite pivot
pin.
22. Lift the fixed mast transport package (7) away from the
rotating bed.
23. Lower the fixed mast butt/top assembly until the support
pedestals (13) are slightly above the ground.
24. Hold onto the support pedestal (13) and remove the hair
pin cotters (11) and retaining pins (12).
25. Lower the support pedestal and install the hair pin
cotters and retaining pins.
26. Repeat step 24
and step 25 for the second support
pedestal.
27. Install and secure the pivot pins (10) with the pivot pin
retainers (9) and the locking pins (8).
28. Remove the slings, shackles, and bushings from the live
mast links (View A, Figure 4-95 on page 4-114
.
29. Install the bushings on the mast butt (Figure 4-102
).
30. Prepare the fixed mast transport package for storage or
shipping as necessary.
Item Description
1 Bushing (qty 4)
2 Hair Pin Cotter (qty 2)
3 Retaining Pin (qty 2)
4Fixed Mast Butt
FIGURE 4-102
WARNING
Equipment Damage!
At this point in the assembly process, live mast
angles greater than 113° will damage components.
Do not position the live mast to an angle greater than
113°.
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