Super SCC - INSPECTION STANDARDS FOR SCC; SCC-W; Body; Screw

INSPECTION STANDARDS FOR SCC / SCC-W
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Inspection method Limit of use Remedy
Item
Body
Visually check or use color
dyes to find cracks.
Measure for wear or
deformation of holes of
shackle and screw .
Measure the jaw opening.
Screw
Ratedcapacity 
(ton)
Diameter
(mm)
0.3W
19.3
0.5
17.3
1
29.3
6
43.7
1.5
29.3
3
34.2
3W
34.2
1W
29.3
Ratedcapacity 
(ton)
0.3W 0.5 1 61.5 3 3W1W
13.5
18.0
128
13.5
17.0
51.5
15.5
27.5
35.7
19.5
27.5
113.4
19.5
27.5
37.8
23.5
32.3
58.8
23.5
32.3
85.1
34.5
41.8
85.1
D1(mm)
D2(mm)
L(mm)
When found visually.
When the diameter of any one part of
circumference of hole (D1/D2) exceeds the
respective size in the table below.
When the displacement of the center of
Screw and Pad exceeds 2 mm.
Discard
Replace
Visually check or use color
dyes to find cracks.
Visually check for bending
and scratches.
Measure for wear of threads.
When found visually.
When the displacement of the screw center
exceeds 2mm.
When the movement is not smooth.
When the diameter of any circumference of
threads becomes smaller than the respective
size in the below table.
When Jaw opening (L) exceeds the respective
size in the table below.
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