Wire Rope Slings
·
Wear leather
gloves at all times when handling wire rope
·
Check the SWL, it
should be clearly marked on the ferrule.
·
Make sure the
sling is color-coded.
·
Always examine
the sling before using it. Damaged
slings should not be used if:
1. There are broken wires
2. Severe localized abrasion or
scraping.
3. Kinking, crushing,
bird-caging, or any other damage causing distortion.
4. Evidence of heat damage.
5. End attachments are cracked,
deformed, or excessively worn.
6. Bent or opened hooks.
7. Severe corrosion.
·
Avoid crushing
forces on wire rope at all times to minimize damage to cores and hidden wires.
·
Care should be
taken, when using basket hitches, that slings do not slip on the object being lifted.
·
Exposure of wire
rope to dirt, grit, water or corrosive material should be avoided.
·
Each sling shall
bear a permanent manufacturer's identification stating the safe working load
(SWL) in tons and serial number.
Synthetic
Webbing Slings
These
are manufactured from woven man-made fiber. They offer numerous advantages such
as: will conform to regular shapes, won’t rust, non-sparking, lightweight,
preclude hand cuts, resist crushing and will not harm the surface being lifted.
·
Synthetic web
slings shall be marked with a stitched in label to show:
(a) Name or trademark of manufacturer
(b) Rated capacity for each type of hitch
(c) Type of material
·
These slings must
not be subjected to point loading, and sharp edged objects.
·
Nylon web slings
should not be used where fumes, sprays, vapors, mists, or liquid of acids are
present.
·
Polyester web
slings should not be used where fumes, sprays, vapors, mists, or liquid of
caustics are present.
·
Synthetic web
slings shall be immediately removed from service if any of the following
conditions are present:
1.
Acid or caustic
burns
2.
Melting or
charring of any part of the sling surface
3.
Punctures, tear,
or cuts
4.
Broken or worn
stitches
·
The use of
repaired slings is prohibited.
