Manitowoc MLC300 - Connect Boom Straps

Manitowoc Published 11-20-19, Control # 234-19 4-91
MLC300 OPERATOR MANUAL SETUP AND INSTALLATION
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Connect Boom Straps
See Figure 4-65 for the following procedure.
The boom straps and, if equipped, the luffing jib straps are
shipped on the boom sections as shown in View A. The
luffing jib straps are shaded.
Remove the luffing jib straps, links, and connecting hardware
from the boom sections if instructed to do so in the capacity
chart.
Starting at the boom top, proceed as follows:
1. Remove retaining pins (3, View A1 or A2) and store
them in the brackets (4, View B1 or B2).
2. Remove pin (5, View A1 or A2).
3. Rotate strap bracket (6, View A1) down and pin it in the
working position (View B1) with pin (7).
OR
Remove retaining pins (9, View A2) and store them in
the brackets (10, View B2).
4. Rotate links (2, View A1 or A2) rearward from the
shipping position to the working position (View B1 or
B2).
5. Install pin (5, View B1 or B2). The PIN HEADS for the
boom straps MUST FACE OUT (collars face center of
boom sections).
6. Repeat the above steps for both straps at both ends of
each boom section.
7. If equipped with the intermediate suspension insert,
remove pins (3, View C) from the intermediate
suspension links (8) and store the pins in the brackets
(4, View B1 and B2).
WARNING
Falling Load Hazard!
The luffing jib backstay straps can be stored on the boom
sections for shipping.
Refer to the appropriate Liftcrane Boom Capacity Chart
for operating restrictions if the luffing jib backstay straps,
links, and retaining hardware will be left on the boom
sections during operation without a luffing jib.