Manitowoc 999 User Manual

Reference Only
Manitowoc Published 05-15-17, Control # 043-09 6-7
999 LUFFING JIB OPERATOR MANUAL MAINTENANCE
6
Table 6-1
Angle A Adjusting Rod — Length
81° — #82 Long Reach Boom 2a — 7 in (178 mm)
82° — #22E Open Throat Top 2a — 7 in (178 mm)
83° — #82 or 22EL Heavy Lift Boom 2a — 7 in (178 mm)
83° — #22E Open Throat Top Offset 4-1/2° 2a — 7 in (178 mm)
88° — #82 or 22EL Heavy Lift Boom with #149 Luffing Jib when
the boom up limit can be bypassed. *
2b — 4-3/4 in (121 mm)
89° — #82 or 22EL Heavy Lift Boom with #135 or 149 Luffing Jib
when the boom up limit cannot be bypassed. *
2c — 4-3/8 in (111 mm)
*
To determine if the boom up limit on you crane can be bypassed or not, perform Bypass Limit Test
on page 6-6.
FIGURE 6-3
1
5
Centerline of
Boom
A
See
Table 6-1
Item Description
1 Boom Butt
2 Adjusting Rod
5 Limit Switch
2a,
2b,
or
2c
See Table 6-1
Horizontal

Manitowoc 999 Specifications

General

Brand	Manitowoc
Model	999
Category	Construction Equipment
Language	English