Manitowoc Published 04-06-18, Control # 231-14 4-115
MLC650 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION
Removing the Fixed Mast Top
See Figure 4-96 for the following procedure.
1. Attach the rear SL 6 slings (4) to the existing shackles
on the mast top.
2. Attach two SH 2 shackles (1) from the parts box to the
front SL 6 slings (4) and to the lifting link (2) on the mast
top (3).
3. Attach the slings to the assist crane.
4. Remove the safety pins (5) and slide the retaining
pins (6) out.
NOTE: Hoist with the assist crane if necessary to take the
weight off the retaining pins.
5. Pay out wire rope from the boom hoist drum in the mast
butt while performing the next step.
6. Lift the mast top up and away from the second mast
insert so the fixed pins on the mast top disengage the
hooked connectors on the insert.
7. Slide the retaining pins in.
8. Install the safety pins.
9. Place the mast top on the foundation in front of the
second mast insert.
10. Disconnect the slings from the assist crane only. The
slings can remain attached to the mast top.
FIGURE 4-96
Item Description
1 SH 2 Shackle – 17 t (18.70 USt) (qty 2)
2 Lifting Link (qty 2)
3Mast Top
4 SL 6 Sling – 5 m (16.40 ft), 31 751 kg (70,000 lb) (qty 4)
5 Safety Pin (qty 2)
6 Retaining Pin (qty 2)
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