SET-UP AND INSTALLATION 31000 LUFFING JIB OPERATOR MANUAL
4-38 Published 07-23-15, Control # 078-03
39
Information below from drawing A19443, Sheet 19:
• Disconnect the strut raising pendant (B) from the Drum 2 wire rope. If Drum 2 will not be rigged, then return the
Drum 2 wire rope to Drum 2.
• Open the bypass valve (I) on both of the main strut support stops (G). SCREW OUT the bypass valve (I) to
OPEN it. SCREW IN the bypass valve (I) to CLOSE it. Failure to open the bypass valve (I) will not allow the main
strut to close. This will cause structural damage.
• Connect the strut raising pendant (B) to the inner links (E) of the strut cap (F) and to the assist crane (A).
Step Action
FIGURE 4-39
Item Description
A Assist crane.
B Strut raising pendant.
C Hydraulic lines (see Figure 4-40
).
D Outer link.
E Inner link.
A
B
B
A
B
B
C
D
D
D
E
E
E
F
G
G
H
I
J
Item Description
F Strut cap.
G Main strut support stop.
H Filling valve.
I Bypass valve.
J Sequence valve.
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