Raise Jib Strut - Manitowoc 18000 Operator's Manual

18000 OPERATOR MANUAL

Raise Jib Strut

See Figure 4-59 for the following procedure. Circled
numbers in figure match the following steps.
NOTE Lifting force required for raising jib strut is
approximately 17,000 lb (7 710 kg).
1. Check that strap retaining pin (23) is not stored
(Figure 4-58, View G).
2. If necessary, insert pin (3) in Hole A of strut top (1) (View
B).
3. Attach sling (2) from assist crane to pin (3) in strut top
(View B).
4. Slowly begin raising strut.
5. Observe holes in adjustable links (4) as strut is raised.
6. When holes in adjustable links (4) are aligned to
appropriate pin position, insert pin (5).
NOTE Pin position is based on boom length. See table in
Figure 4-59 for appropriate pinning location.
7. Remove and store strap retaining pin (23,
View G).
Manitowoc
8. Continue raising strut top until strut supports are clear of
jib butt.
9. Rotate strut supports (6) to stored position on strut butt
(8) and secure with pins (7) (View D).
10. Loosen tie-down bolts on strap brackets (9, View H) at
boom top (10).
Rotate brackets to stored position as shown in View H.
Strut butt (8) will strike strap brackets (9) when strut is fully
raised. Store strap brackets to prevent damage.
11. Continue raising strut until support pendants (11) can be
pinned to lugs on boom top and jib butt (View E).
12. Pin pendants (11) to lugs on jib strut butt (8) and boom
top (10) (Views F and G).
(Procedure continues on
Figure 4-58,
Published 12-05-17, Control # 032-23
SET-UP AND INSTALLATION
CAUTION
Strut/Bracket Damage!
page 4-113)
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