Manitowoc 2250 Service Maintenance Manual

Reference Only
Manitowoc Published 07-19-16, Control # 249-01 4-17
2250 SERVICE/MAINTENANCE MANUAL BOOM
4
Strap Replacement Specifications
Any strap not within the specifications listed in Table 4-2
must be replaced.
Table 4-2. Strap Specifications
WARNING
Falling Attachment Hazard!
Operating the crane with a damaged strap can cause
structural failure or collapse of the boom, jib, mast, or
other crane components, which can cause death or
serious injury.
If the damage to the strap exceeds that allowed within the
specifications, do not operate the crane until the strap has
been replaced.
Condition Reference
Allowable
Tolerance or
Deviation
Corrective Action
Dent
Figure 4-12
< 3 mm
(0.12 in)
Monitor the condition.
≥ 3mm
(0.12 in)
Remove the strap
from service.
Kink
Figure 4-13
None
Remove the strap
from service.
Crack or
Break
Figure 4-14
None
Remove the strap
from service.
Corrosion or
Abrasion
Figure 4-15
<6% of strap
thickness
Sandblast and paint to
maintain a continuous
protective coating.
≥6% of strap
thickness
Remove the strap
from service.
Straightness
(gradual or
sweeping
bend)
Figure 4-16
Varies
depending on
strap length
Remove the strap
from service if the
deviation exceeds the
maximum allowed.
Flatness
(includes
twisted
straps)
Figure 4-17
Varies
depending on
strap length
Remove the strap
from service if the
deviation exceeds the
maximum allowed.
Elongated
Holes
Figure 4-18
None
Remove the strap
from service.
Length
Figure 4-19
None
Remove the strap
from service.
< = less than
≥ = equal to or greater than
Dent
Depth
of Dent
A1086
FIGURE 4-12
Dent
Kink
Do not straighten or bend into
alignment. Remove from service.
A1086
FIGURE 4-13
Kink
Do not weld. Strap cannot be
repaired. Remove from service.
Crack or
Break
A1086
FIGURE 4-14
Crack or Break

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English