SET-UP AND INSTALLATION 31000 LUFFING JIB OPERATOR MANUAL
4-16 Published 07-23-15, Control # 078-03
Assemble and Attach the Lower Half of the Main Strut
Step Action
15
Information below from drawing A19443, Sheet 11:
Use an assist crane (A) to assemble the lower half of the main strut:
• Block the main strut butt (C) to have a horizontal center line (B).
• Remove the jib backstay straps (E, F) from the main strut insert (D).
• Attach the main strut insert (D) to the main strut butt (C) using safety pins (G).
Item Description
A Assist crane.
B Approximately 157.5 cm (62.0 in).
C Main strut butt.
D Main strut insert.
E Jib backstay strap, 5 m.
F Jib backstay strap, 3.559 m.
G Insert joint with safety pin:
A
A
B
C
C
D
E
F
E (shipping position)
F (shipping position)
G
FIGURE 4-16