Manitowoc Published 09-05-14, Control # 226-02 4-11
14000 SERVICE MANUAL BOOM
Flatness
See Figure 4-13 for following procedure.
1. Lay strap on a flat surface. Do not block; strap may
sag
2. Stretch a line (string or wire) across top surface of strap
from pin storage hole at one end of strap.
3. Stretch line as tight as possible and tie it off at other end.
4. Check that line touches top surface of strap at all points
along its length.
5. If string does not touch strap, measure distance from
line to strap.
If deviation from straight is greater than maximum
allowed, remove strap from service.
6. Remove line. Turn strap over.
7. Repeat steps 1-5 above.
Elongated Hole
See Figure 4-14 for following procedure.
1. Insert pin into hole.
2. Push pin tight against edge of hole along horizontal
center line. Measure dimension between pin and hole
(View A).
3. Push pin tight against edge of hole along vertical center
line. Measure dimension between pin and hole (View B).
If dimensions A and B are not identical, hole is
elongated. Remove strap from service.
If two dimensions are identical, but greater than 0.030 in
(0,8 mm), contact the Manitowoc Crane Care Lattice
Team.
FIGURE 4-13
Distance between
Line and Strap
Line
A1086
Flatness (includes twisted straps)
Strap Length
(L)
ft (m)
Maximum Deviation Allowed
1 to <2 in (25.4 to
<50.8 mm) Thick
2 to <4 in (50.8 to
<101.6 mm) Thick
<3 (<0.9) 0.17 (4.3) 0.50 (12.7)
3 to <4
(0.9 to <1.2)
0.63 (15.9) 0.56 (14.3)
4 to <5
(1.2 to <1.5)
0.75 (19.1) 0.70 (17.5)
5 to <6
(1.5 to <1.8)
0.80 (20.6) 0.75 (19.1)
6 to <7
(1.8 to <2.1)
0.88 (22.2) 0.75 (19.1)
7 to <8
(2.1 to <2.4)
0.94 (23.8) 0.75 (19.1)
8 to <9
(2.4 to <2.7)
1.0 (25.4) 0.75 (19.1)
9 to <10
(2.7 to <3.0)
1.0 (25.4) 0.88 (22.2)
10 to <12
(3.0 to <3.7)
1.0 (25.4) 1.0 (25.4)
≥12 (≥3.7)
Deviation not to exceed 1 in (25.4 mm)
in any 12 ft (3.7 m) length of strap
< = less than
≥ = equal to or greater than
Pin
Strap
Pin
Strap
B
View A
View B
A
A1086
FIGURE 4-14
Elongated Holes
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