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Reference
Only
Manitowoc
Published 01-08-13, Control # 049-05
4-7
2250 MAX-ER 2000 OPERATOR’S MANUAL
SET-UP AND INSTALLATION
4
Install MAX-ER Attachment
Install Mast
See Figure 4-3 for following procedure.
1.
If not already done, remove all shipping timbers from
bottom chords of mast sections and install removable
diagonal lacings (see Removable Lacings topic for
instructions).
2.
Install mast butt and mast adapter frame as follows
a.
Lift mast butt and mast adapter frame (View B) into
position at front of crane and align adapter frame
connecting holes with connecting holes in rotating
bed.
b.
Pin adapter frame to rotating bed (Pin A, View B).
Install washers as pins are installed to limit adapter
frame side play to 1/8 in (3,2 mm).
c.
Retain pins with keeper plates provided.
d.
Lower top end of mast butt to rotate adapter frame
to align holes C1 and C2. Pin adapter frame to
rotating bed.
e.
Remove Pin B to release adapter frame from
shipping position. It may be necessary to lift mast
butt slightly to release pressure on pin.
f.
Lower mast butt onto blocking 12 in (305 mm) high
(View A).
3.
Install mast inserts:
a.
Lift 10 ft (3,0 m) insert into position and engage top
connector holes in insert with fixed vertical pins in
mast butt (View C).
b.
Lower insert onto blocking 12 in (305 mm) high
(View A).
c.
Lift 40 ft (12,2 m) insert into position and engage top
connector holes with fixed vertical pins in 10 ft
(3,0 m) insert (View C).
d.
Lower insert until bottom connector holes between
inserts are in line and install removable pins (View
D).
e.
Block under top end of insert. Blocking must be at
least 12 in (305 mm) high to allow for installation
of mast top.
4.
Pin inserts to butt:
a.
Attach nylon lifting slings to chords at top end of
mast butt (View E).
b.
Hook assist crane to slings. Crane must have
sufficient capacity to lift 40,000 lb (18 144 kg) –
1/2 the weight of assembled mast.
c.
Lift butt and assembled mast inserts until bottom
connector holes between butt and inserts are
aligned.
d.
Install removable horizontal pins to connect insert to
butt (View D).
5.
Install mast top as follows:
a.
Keeping weight of equalizer in mind, hook chain
sling to lifting lugs on mast top (View F).
b.
Lift mast top into position and engage top connector
holes with fixed vertical pins in 40 ft (12,2 m) insert
(View C).
c.
Lower mast top until bottom connector holes
between top and insert are in line and install
removable pins (View D).
Reeve Boom Hoist Equalizer
Route wire rope from boom hoist drum (Drum 2) through
sheaves in boom hoist equalizer and mast top as shown in
reeving diagram on MAX-ER Mast Rigging Assembly
drawing. The rigging drawing also includes wire rope
specifications.
WARNING
Tipping Crane Hazard!
Install carbody counterweights before installing mast.
Crane will tip if upperworks is swung over side of crawlers
with mast raised and carbody counterweights removed.
WARNING
Collapsing Mast Hazard!
Always stand outside of mast sections when installing
connecting pins. Do not stand on, inside, or under mast
sections during assembly.
WARNING
Mast Movement Hazard!
Weight of equalizer on mast top can lift mast inserts from
mast butt. Pin mast inserts to butt before installing mast
top.