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Examinations should include the following:
Category
Inspection method
Visually check or use
colour dyes to find
cracks.
Check for wear or
deformation of
shackle and screw
holes.
Body
Measure the jaw
opening.
Visually check or use
colour dyes to find
cracks.
Visually check for
bending.
Visually check for
wear or damage.
Visually check or
Screw
measure the degree of
wear.
Visually check or use
colour dyes to find
cracks at the teeth
bottom.
Visually check for
broken teeth
Limit of use
When found visually.
When the diameter of any one part of circumference of
any hole exceeds the size in the table below:
Rated capacity (t)
0.5
D1(mm)
27.5
D2(mm)
27.5
D3(mm)
34.5
When the difference of "A" and "B" exceeds 5% (5mm or
more against 100mm in depth.)
When the displacement of the centre of the screw and
cam exceed 2 mm.
When found visually.
When the movement is not smooth, or when the
displacement of the Screw centre exceeds 2mm.
When thread part on circumference exceeds the size in
the below table.
Rated capacity (t)
0.5
Diameter (mm)
23.3
When the degree of wear exceeds 0.5mm.
When found visually.
When any broken tooth is found.
1.0
2.0
3.2
6.3
32.5
36.5
45.5
51.0
32.5
32.5
35.5
41.5
42.5
44.5
46.5
58.5
1.0
2.0
3.2
6.3
29.3
29.3
34.2
37.3
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Instruction Guide Tiger CSS En 202201 v2.0
Remedy
Discard
Replace
Page 7 of 14
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