SET-UP AND INSTALLATION 18000 OPERATOR MANUAL
4-114
Published 12-05-17, Control # 032-23
Jib Removal
Disconnect Electric Cords
Disconnect remaining electric cords from respective junction
boxes and switches. Install terminating plugs on junction
boxes.
Remove Wind Speed Indicator Assembly
Remove wind speed indicator from jib top to prevent damage
during shipping (see Wind Speed Assembly drawing at end
of this section).
1. Disconnect electrical cable at base of wind speed
mounting bracket.
2. Remove nuts, star washers, and bolts from base of wind
speed mounting bracket.
3. Store indicator assembly in a safe place on crane.
Remove Jib Load Lines
1. Remove load blocks and weight balls.
2. Remove block-up limit weights and chains.
3. Spool load lines onto Drums 2 and 3.
Lower Jib Strut
Unless otherwise specified, see Figure 4-60 for the following
procedure.
1. Connect sling from assist crane to jib top as shown in
View F. Pin (3, Figure 4-59
, View B) must be in Hole B
for lowering strut.
2. Remove strap shipping pins (15, View G) from strap
brackets (14).
3. Remove front connecting pins (12, View E).
4. Slowly hoist with assist crane until front joint between
strut top and strut butt opens.
5. Slowly pay out assist crane load line to lower strut.
6. Stop when support pendants (13, View A) are taut.
Jib strap equalizers (7, View C) will be above strap
support brackets (6) as shown in View A.
7. Connect sling (8, View C) from assist crane or other
lifting device to jib strap equalizer (7).
8. Remove pin (10, View D) from link (9).
9. Lower equalizer (13) until it rests on support bracket (12)
as shown in Figure 4-59
, View H.
10. Disconnect lifting sling (8) from equalizer (13).
11. Repeat steps 7–10 for other equalizer.
See Figure 4-59
for the remaining steps.
12. Disconnect and store support pendants (11, Views F and
G)
13. Continue lowering strut until strut butt is approximately 2
ft (0,6 m) above jib butt.
Guide jib straps and links (11) outside of jib as strut is
lowered as shown in View C.
14. Remove pins (7, View D) and allow strut supports (6) to
hang down from jib butt.
Return pins to lugs on jib butt for storage.
15. Loosen tie-down bolts on boom top backstay strap
brackets (9, View H) and rotate brackets up to working
position.
Tighten tie-down bolts.
16. Continue to slowly lower strut.
Guide boom backstay straps into boom backstay strap
brackets while lowering strut.
Stop when straps are resting in strap brackets as shown
in Figure 4-58
, View G.
17. Remove pin (5, View A) from adjustable links (4).
18. Continue lowering strut to compress adjustable links (4,
View A).
Stop when pins (5) can be inserted in holes (Position C).
19. While continuing to slowly lower strut, guide strut
supports (6) to rest on jib butt cross tubes.
See Figure 4-58
for the remaining steps.
20. Remove pendants (14) from stored position on jib butt
(View E).
21. Attach pendants (14) to strut top as shown in View F.
22. Remove pins (19, View G) from stored position and
insert into adjustable link supports to secure straps.
23. Remove and store jib straps and links (10, View E).
NOTE It is not necessary to fold straps and links (10) over
top of strut top as shown in View C.
24. Pin jib links and straps shipped with strut top (10, View
C) in shortest possible length for shipping.
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