Manitowoc 999 Service And Maintenance Manual

Reference Only
BOOM 999 SERVICE/MAINTENANCE MANUAL
4-12
Published 05-16-17, Control # 233-03
Replacement Specifications
Any strap not within specifications listed in Table 4-3 must be
replaced.
Table 4-3
Strap Specifications
WARNING
If damage to strap exceeds that allowed within
specification, do not operate crane until strap has been
replaced.
Operating crane with a damaged strap can cause
structural failure or collapse of boom, jib, mast, or other
crane components.
Condition Reference
Allowable
Tolerance or
Deviation
Corrective Action
Dent Figure 4-9
< 0.12 in
(3,175 mm)
Monitor condition.
≥ 0.12 in
(3,175 mm)
Remove strap from
service.
Kink Figure 4-10
None
Remove strap from
service.
Crack or
Break
Figure 4-11
None
Remove strap from
service.
Corrosion or
Abrasion
Figure 4-12
<6% of strap
thickness
Sandblast and paint to
maintain continuous
protective coating.
≥6% of strap
thickness
Remove strap from
service.
Straightness
(gradual or
sweeping
bend)
Figure 4-13
Varies
depending on
strap length
Remove strap from
service if deviation
exceeds maximum
allowed.
Flatness
(includes
twisted
straps)
Figure 4-14
Varies
depending on
strap length.
Remove strap from
service if deviation
exceeds maximum
allowed.
Elongated
Holes
Figure 4-15
None
Remove strap from
service.
Length Figure 4-16
None
Remove strap from
service.
< = less than
≥ = equal to or greater than
FIGURE 4-9
Dent
Dent
Depth
of Dent
A1086
FIGURE 4-10
Kink
Kink
Do not straighten or bend into
alignment. Remove from service.
A1086
FIGURE 4-11
Crack or Break
Do not weld. Strap cannot be
repaired. Remove from service.
Crack or
Break
A1086

Manitowoc 999 Specifications

General

Brand	Manitowoc
Model	999
Category	Construction Equipment
Language	English