Manitowoc Published 07-23-15, Control # 078-03 4-65
31000 LUFFING JIB OPERATOR MANUAL SET-UP AND INSTALLATION
Intermediate Suspension Installation
Step Action
1
Information below from drawing A19443, Sheet 29:
Intermediate suspension shall be installed on a crane when the luffing jib is 90 m (295.3 ft) or greater.
Intermediate suspension (A) is a connection between the luffing jib straps (B) and the #91 luffing jib inserts (C) as
shown below.
To install intermediate suspension, first consult the Recommended Jib Makeup section of drawing A19443 to see
where the intermediate suspension should be installed for the specific luffing jib length.
FIGURE 4-69
Item Description
A Intermediate suspension.
B Luffing jib straps.
C #91 luffing jib inserts.
D Intermediate suspension top link.
E Intermediate suspension top pendant link.
F Intermediate suspension pendant.
G Intermediate suspension cross member.
H Intermediate suspension short lower link.
I Intermediate suspension long lower link.
J Intermediate suspension yoke.
A
B
C
D
C
C
E
E
F
G
H
H
II
DDD
F
JJ
ASSEMBLED UNASSEMBLED
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