A1 = 19.1 mm ; Dp = 5.09 mm ; P = 15.875 mm ; S = 2.04 mm ; Hi =
12.83 mm
Elongation:
Measurement of chain slightly tightened on straight sections 1/5 to
1/15 of the total length. Maximum elongation allowed: 2% along the
most worn section.
Wear of plate profiles:
Where the phenomenon is most noticeable: maximum permitted
height reduction of 2.5% on one side only, 4% if on two sides, in
relation to the initial height.
Wear on the side of the chain:
Replace the chain if the protruding part of the pin heads is worn down
by more than 25% or if the outer side is worn down by more than 20%
of its thickness.
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