Manitowoc Published 04-06-18, Control # 231-14 4-109
MLC650 VPC-MAX™ OPERATOR MANUAL SET-UP AND INSTALLATION
Lowering the Mast Stops
See Figure 4-89 for the following procedure.
1. Attach one SL 4 sling (1) to one of the mast stops (2) in
the working position.
2. Attach the other end of the sling to the assist crane.
3. Hoist with the assist crane just enough to support the
weight of the mast stop (2).
4. Remove the pin (3, View B) from the bracket (4) and
from the bracket (5).
5. Lower the mast stop strut (6, View A) to the stored
position.
6. Install the bottom pin (3, View A) in the bracket (5).
7. Lower the mast stop to the stored position (View A).
8. Install the other pin (3, View A) in the top holes of bracket
(5) and the bottom holes of the bracket (4).
9. Disconnect the sling and repeat the procedure for the
other mast stop.
Disconnecting the Mast Straps
See Figure 4-90 for the following procedure.
1. Make sure the fixed mast is in a lowered and blocked
position as shown.
2. The live mast can be lowered to a maximum angle of
155°.
3. Work from the mast butt up towards the mast top when
disconnecting the mast straps. There are straps that
connect the fixed mast to the live mast, and there are
straps that connect the fixed mast to the VPC-MAX
beam. There are two straps for the live mast and two
straps for the beam.
FIGURE 4-90
CAUTION
155° Maximum
CAUTION
Avoid Mast Stop Damage
Do not lower the live mast below 150° maximum until the
mast stops are lowered . Otherwise, the mast stops will hit
the live mast possibly resulting in damage.
To Next Page
Loading...
Need help?
General
