Manitowoc MLC300 User Manual

Manitowoc Published 11-20-19, Control # 234-19 4-119
MLC300 OPERATOR MANUAL SETUP AND INSTALLATION
3
1
4
legend for Figure 4-81
Disconnect Boom Butt from Crane
See Figure 4-81 for the following steps.
1. Attach the lifting slings to the self-erect cylinder as
shown in View B or C.
a. Route the slings to the inboard side of the boom
stops at X locations.
b. Route the slings over the outboard side of the boom
butt chords at Z locations.
2. Attach the lifting slings (1c or 2, View B or View C) to the
lifting lugs (6) on the boom butt (4).
3. Disconnect the hydraulic hoses (7, View H) from the
storage couplers (8) on the boom butt.
4. Connect the hydraulic hoses (7, View G) from the boom
butt to the hydraulic couplers (9) on the front of the
rotating bed.
5. Remove the hitch pins (10, View E) to UNLOCK the
boom hinge pins from the engaged position.
6. Raise the boom butt to horizontal (View F).
7. Using the switch on the remote control, disengage the
boom hinge pins (11, View D).
8. Lift the boom butt clear of the pin holes in the rotating
bed.
9. Using the switch on the remote control, engage the
boom hinge pins (11, View E).
10. Install the hitch pins (10, View E) to LOCK the boom
hinge pins in the engaged position.
11. Disconnect the hydraulic hoses (7, View G) from the
hydraulic couplers (9) on the rotating bed.
12. Connect the hydraulic hoses (7, View H) to the storage
couplers (8) on the boom butt.
13. Place the boom butt on a trailer.
14. Disconnect the lifting slings from the boom butt.
15. Secure the boom butt to the trailer (see Shipping Crane
Components on page 4-111).
Item Description
1a Shackle (2 or 6): 25 t (28 USt)
1b Lifting Sling (4): 1 m (3.3 ft) long — PAST
1c Lifting Sling (4): 2,8 m (9 ft) long — PAST
2 Lifting Sling (4): 4 m (13 ft) long — CURRENT
3 Self-Erect Cylinder
4 Boom Butt
5Trailer
6 Lifting Lug (4)
7 Hydraulic Hose (2)
8 Storage Coupler (2)
9 Hydraulic Coupler (2)
10 Hitch Pin with Hair-Pin Cotter (2)
11 Boom Hinge Pin (2)
12 Alignment Lug (2)
X Inboard Side
Z Outboard Side
WARNING
Moving Load Hazard!
The boom butt may swing away from the crane when the
boom hinge pins are disengaged.
Prevent personnel from being struck by the boom butt:
• Warn all personnel to stand well clear of the boom
butt.
• Stabilize the boom butt movement with taglines.

Manitowoc MLC300 Specifications

General

Brand	Manitowoc
Model	MLC300
Category	Construction Equipment
Language	English