KENCO Mechanical Grapple Operation Manual
10
170 State Route 271
Ligonier, PA 15658
1-800-653-6069
Section VII.
Inspection Criteria
THE MECHANICAL GRAPPLE UNIT AND ALL OF ITS ASSOCIATED
COMPONENTS SHALL BE REMOVED FROM SERVICE AND TAGGED
APPROPRIATELY UNTIL RECERTIFICATION BY A QUALIFIED
INDIVIDUAL IN ANY OF THE FOLLOWING CONDITIONS:
A.
General
1.
Cracking in any component or member
2.
Cracking in any weld.
3.
Visible distortion in any member.
4.
Visible distortion in any Bolt/Pin/Shaft.
B.
Specific
1.
Lift Bail
a.
The lift bail shall be replaced if a
20% loss in cross-sectional area
from the original member(s) can be
demonstrated. Note: cross section of
welds, “mushroomed” wear faces,
and burrs are not accounted for as
cross-sectional area. (See ill.)
2.
Holes.
a.
Any members through which bolted or pinned connections pass shall be
replaced if a 10% loss in cross-sectional area from the edge of the hole to
any edge of the profile can be demonstrated. Note: cross section of welds,
“mushroomed” wear faces, and burrs are not accounted for as cross-
sectional area.
3.
Pins/Bolts.
a.
Any visible deformation of a pin, shaft or bolt shall require replacement of
that part.
