Manitowoc Published 12-05-17, Control # 032-23 4-91
18000 OPERATOR MANUAL SET-UP AND INSTALLATION
Connect Boom Straps — #55-79A Boom
See Figure 4-45 for the following procedure.
Boom straps and links are shipped in the stored position on
the boom sections as shown in View B.
1. Connect straps (1, View B) at top end of each insert, as
follows:
a. Remove storage pins (2, View B) from shipping
position.
b. Store pins (2, View C).
c. Remove retaining pin (4, View D) from end of each
strap (1).
d. Rotate links (3, View B) forward and pin to adjacent
strap (View C) with connecting pin (4, View D).
2. Connect straps to boom hoist equalizer as follows:
a. Remove storage pins (6, View E) securing links (7)
to equalizer. Place links to side and store pins (6).
b. Using assist crane, lift boom hoist equalizer (5) onto
equalizer rails (View A).
c. Attach equalizer to holes in equalizer rails with stop
pins (10, View F). Stop pins are stored in tubes on
equalizer rails (View E).
Stop pins must be installed to prevent equalizer
from accidentally sliding back on rails during
link assembly.
d. Pin links (7, View F) to equalizer (5) with pins (8).
Pins (8) are stored on equalizer rails (View E).
e. Pin links (7, View F) to straps (1) on adjacent insert
with pins (9). Pins (9) are stored in tubes on insert
lacings (View E).
f. Unpin equalizer from rails.
Install Intermediate Suspension — #55-79A Boom
See Figure 4-45 and Figure 4-53 for the following procedure.
NOTE Intermediate suspension is required at locations
specified in Boom Rigging Assembly Drawing.
1. Remove standard connecting pin (4, View D) from rear
holes in links (3) and strap (1).
2. Using pin (11) — stored in lug on intermediate
suspension link (12) — attach strap links (3) and links
(12) to strap (1).
3. Store standard connecting pin (4) in lug on link (12)
(View H).
4. Remove and store standard removable connecting pin
from bottom insert connector (Figure 4-56
, View C).
5. Using pin (13, View G), install link (14) and reconnect
inserts.
6. Using pin (15), attach pendant (16) to insert link (14)
(View G).
7. Using pin (17), attach pendant (16) to connecting link
(18) and adjustable link (19), if used (View H).
8. Using pins stored with pendants, pin required pendants
to adjustable link (19) or connecting link (18).
If adjustable link is required, pin pendant to proper
holes in link as specified in Figure 4-32
.
9. Repeat steps 1 – 8 on other side of insert.
When boom is raised, boom straps will lift intermediate
suspension into position and support inserts.
CAUTION
Equipment Damage!
Equalizer rails are provided only to support equalizer
during assembly and disassembly.
To prevent structural damage, remove stop pins from
equalizer before lifting boom with boom hoist.
Legend for Figure 4-45
Item Description Item Description Item Description
1 Strap (typical) 10 Stop Pin with Snap Pins 18 Connecting Link
2 Storage Pin with Cotter Pins 11 Strap Pin, 2-1/4 x 5-13/32 in (57 x 137
mm) with Collar, Retaining Pin, and Cotter
19 Adjustable Link
3 Link (typical) 20 Pin, 2-1/4 x 8-3/8 in (57 x 213 mm)
with Snap Pins
4 #79A Pin, 2-1/4 x 4-1/2 in (57 x 114 mm)
with Collar, Retaining Pin, and Cotter
12 Intermediate Suspension Link 21a Pendant, 12 ft, 2-3/4 in (3,7 m)
5 Boom Hoist Equalizer 13 Pin, 3 x 10 in (76 X 254 mm)
with Safety Pin
21b Pendant, 10 ft, 9-1/4 in (3,3 m)
6 Storage Pin with Cotter Pins 14 Link 22 Pin, Pendant with Cotter pin
7 Equalizer Links 15 Pin, Pendant with Cotter pin 23 Pendant, 6 ft (1,8 m)
8 Pin, 4-1/2 x 6-21/32 in (114 x 169 mm)
with Collar, Retaining Pin, and Cotter
16 Pendant, 4 ft, 8 in (1,4 m) 24 Pin, 2-1/4 x 5-3/4 in (57 x 146 mm)
with Cotter Pin
9 Pin, 2-1/4 x 6-21/32 in (57 x 169 mm)
with Collar, Retaining Pin, and Cotter
17 Pin, 2-1/4 x 7-3/4 in (57 x 197 mm)
with Snap Pins
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