Manitowoc MLC300 User Manual

Manitowoc Published 11-20-19, Control # 234-19 4-97
MLC300 OPERATOR MANUAL SETUP AND INSTALLATION
3
1
4
legend for Figure 4-68
NOTE If not already done, install the counterweight tray and
boxes. See:
• Install Counterweight Tray on page 4-71
• Install Counterweight Boxes on page 4-73
Connect Boom Butt to Crane
See Figure 4-68 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 the X locations.
b. Route the slings over the outboard side of the boom
butt chords at the Y locations.
c. Route the slings around the outboard side of the
boom butt lacings at the Z locations to the lifting lugs
(6) on the inboard side of the lacings.
d. Loop the slings over the proper lifting lugs (6) —
upper or lower as indicated.
2. Remove the boom butt (4, View A) from the trailer (5):
a. Position the trailer (5, View A) carrying the boom
butt (4) on the desired side of the crane at the
specified radius.
b. Attach the lifting slings (1c or 2, View B or View C) to
the lifting lugs (6) on the boom butt (4).
c. Lift the boom butt off the trailer.
d. Remove the trailer.
3. Lift the boom butt into position at the front of the rotating
bed (View F).
4. Disconnect the hydraulic hoses (7, View H) from the
storage couplers (8) on the boom butt.
5. Connect the hydraulic hoses (7, View G) from the boom
butt to the hydraulic couplers (9) on the front of the
rotating bed.
6. Remove the hitch pins (10, View E) to UNLOCK the
boom hinge pins from the engaged position.
7. Using the switch on the remote control, disengage the
boom hinge pins (11, View D).
8. Lower the boom butt onto the alignment lugs (12, View
E) on 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. Lower the boom butt onto blocking at ground level.
12. Disconnect and remove the lifting slings and shackles
from the boom butt and from the lifting link on the self-
erect cylinder.
13. Store the lifting slings and shackles in the job box.
14. Disconnect the hydraulic hoses (7, View G) from the
hydraulic couplers (9) on the rotating bed.
15. Connect the hydraulic hoses (7, View H) to the storage
couplers (8) on the boom butt.
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
Y Outboard Side
Z Outboard Side

Manitowoc MLC300 Specifications

General

Brand	Manitowoc
Model	MLC300
Category	Construction Equipment
Language	English