Manitowoc Published 03-29-17, Control # 064-23 v2 4-39
14000 OPERATOR MANUAL SETUP AND INSTALLATION
Connect Boom Butt to Crane
See Figure 4-20 for the following procedure.
1. Lift boom butt (1) off trailer and into position at front of
crane (View D). Use one of the lifting arrangements
shown in Figure 4-19
. See Lifting Boom Butt topic.
2. Unpin locking cover (4, View E) and rotate it down.
NOTE: Current production cranes have a guard (5, View
H) attached to cover (4)
3. Fully disengage boom hinge pins (6, View E) with switch
in operator’s cab.
4. Move guide pins (7, View E) from storage holes to
assembly holes.
5. Apply a light coat of grease to underside of both boom
butt legs (View E).
6. Position butt so underside of boom hinge lugs are on
guide pins (7, View E).
7. Slowly mast up — boom butt will slide in — until stops on
underside of boom hinge lugs are snug against guide
pins (View F).
8. Slowly lower boom butt with load line until holes in butt
are aligned with holes in rotating bed.
9. Install a shim (8, View H) — tab toward top of butt and
facing outward — on inboard side of both boom hinge
lugs. Shims must be installed to prevent butt from
contacting outboard rotating bed lugs.
10. Fully engage boom hinge pins (6, View F) with switch in
operator’s cab.
11. Raise butt slightly and move guide pins (7) from
assembly holes to storage holes (View G). Do not lower
boom butt to ground until guide pins are stored.
12. Rotate locking cover (4) up and pin (View G).
13. Lower boom butt onto blocking at ground level and
disconnect chain sling from butt.
Raise Boom Butt Wire Rope Guide
See Figure 4-20 for the following procedure.
1. Remove pins (9, View A) from lugs on boom butt (1).
2. Attach two legs of chain sling (2) to lifting lugs (10, View
B) on wire rope guide (11).
3. Lift wire rope guide to working position and install pins
(9, View A).
4. Disconnect chain sling.
5. Remove pins (12, View C) from upper holes, lower
platform (13) to working position, and reinstall pins (12)
in lower holes.
WARNING
Falling Boom Hazard!
Prevent boom butt (or boom) from falling off crane:
• Pin locking cover UP after engaging hinge pins.
Cover locks hinge pins in engaged position
Legend for Figure 4-20
Item Description Item Description
1 Boom Butt 8 Shim – 0.134 in (3,4 mm) Thick (2)
2 4-Leg Chain Sling 9 Pin with Snap Pin (2)
3 Assembly Block 10 Lifting Lug (2)
4 Locking Cover with Snap Pins 11 Wire Rope Guide
5 Guard (round bar) 12 Pin with Hair-Pin Cotter (2)
6 Boom Hinge Pin (2) 13 Platform
7 Guide Pin (2)
Numbers in parentheses equal quantity
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