Manitowoc 777 User Manual

Reference Only
SET-UP AND INSTALLATION 777 OPERATOR’S MANUAL
4-50 Published 10-01-12, Control # 044-05
FIGURE 4-31
M = Mast Links
S = Intermediate Suspension
(see Table 4-3 and
Figure 4-29)
M
60 ft
(18.3 m)
6
21
M
70 ft
(21.3 m)
12
6
3
7
7
7
33
6
21
80 ft
(24.4 m)
M
M
80 ft
(24.4 m)
12
6
4
8
90 ft
(27.4 m)
M
8
4
6
21
7
3
33
7
7
M
100 ft
(30.5 m)
12
6
4
8
5
9
8
8
44
6
21
100 ft
(30.5 m)
M
M
100 ft
(30.5 m)
12
6
8
8
44
7
3
6
21
110 ft
(33.5 m)
M
M
110 ft
(33.5 m)
152
6
9
3
7
7
7
33
9
6
251
M
120 ft
(36.6 m)
120 ft
(36.6 m)
M
152
6
9
4
8
a. Maximum number of 10 ft (3.1 m) inserts (item 3) is two.
Maximum number of 20 ft (6.1 m) inserts (item 4) is two.
Combination of 10 ft (3.1 m) and 20 ft (6.1 m) inserts
(item 3 and 4) must not exceed:
- Two 10 ft (3.1 m) inserts (item 3) and one 20 ft (6.1
m) insert (item 4) or
- One 10 ft (3.1 m) insert (item 3) and two 20 ft (6.1
m) inserts (item 4).
b. Except for 270 ft (82.3 m) boom, shortest inserts must
be installed next to butt.
c. Insert with jib backstay lug must be installed nearest to
top, if jib will be used.
d. Pendants come in matched sets of four (two on each
side of boom).
ItemBOOM IDENTIFICATIONB
Item Description
1 22 ft 6 in (6.9 m) Butt
2 37 ft 6 in (11.4 m) Top
3
ab
10 ft (3.1 m) Insert
4
ab
20 ft (6.1 m) Insert with or without Jib Backstay Lugs
c
5
b
40 ft (12.2 m) Insert with or without Jib Backstay Lugs
c
PENDANT IDENTIFICATION
Item Description
6 37 ft (11.3 m) Basic
7 10 ft 1 in (3.1 m) Insert
8 20 ft 1-1/2 in (6.1 m) Insert
9 40 ft 3 in (12.2 m) Insert

Manitowoc 777 Specifications

General

Brand	Manitowoc
Model	777
Category	Construction Equipment
Language	English