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Inspecciòn de eslingas
de poliester en uso
During the period of use, frequent checks should be made for defects
or damage, including damage concealed by soiling, which might affect
the continued safe use of the sling. These checks should extend
to any fittings and lifting accessories used in association with
the sling. If any doubt exists as to the fitness for use, or if
any of the required markings have been lost or become illegible,
the sling should be removed from service. See also instruction for
use and maintenance.
Examples of defects or damage likely to affect the quality of slings
for continued safe use:
1.
Any damage evident in the cover indicates
potential damage to the loadbearing core. Cross or longitudinal
cuts in the
cover, or any damage to the stitching, raises, serious
doubts
as to the integrity of the core. REMOVE FROM SERVICE.
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2. Local abrasion, as distinct from
general wear, can be caused
by sharp edges while the sling is under tension and causes
serious loss of strength.
REMOVE FROM SERVICE.
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3. In normal use some chafing will
occur to the surface fibres of the cover. Local abrasion
where loadbearing core has been damaged should be REMOVED
FROM SERVICE.
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4.
A knot in the roundsling reduces the load
capacity by 25 to
100 %. Roundslings should never be knotted or twisted.
REMOVE FROM SERVICE.
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5. Cross or longitudinal cuts in the
cover and also damage to the loadbearing core.
REMOVE FROM SERVICE.
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6, 9 Cross or longitudinal cuts, cuts
or chafe damage to edges.
REMOVE FROM SERVICE.
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7.
Chemical attack results in local weakening
and softening of the material. This is indicated by flaking
of the cover surface
which may be plucked or rubbed off. Any signs of chemical
attack to the cover raise serious doubts as to the integrity
of the core. REMOVE FROM SERVICE.
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8.
Cross or longitudinal cuts in the cover
and also damage to the loadbearing core.
REMOVE FROM SERVICE.
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10.
A sling that is unidentified should never
be used. Label and
identification must be Legible. REMOVE FROM SERVICE.
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11.
Hooks and fittings which are too big for
the edge of the sling can destroy the sling. REMOVE FROM
SERVICE and/or
contact the supplier for advice.
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12.
Heat and friction damage is indicated by
the fibres of the cover material taking on a glazed appearance
and in extreme cases, fusion of the fibres can occur,
indicating a weakening
or break of the core.
REMOVE FROM SERVCE. |
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