Failure to follow the guidelines of this instruction for use
may cause serious consequences such as risk of injury.
• Read and understand these instructions before use.
USER'S GUIDE
PCA-1260, PCA-1259, PCA-1258, PCA-1350
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2
ENGLISH IS THE ORIGINAL WRITING LANGUAGE OF THIS DOCUMENT
Portable Winch Co.
All rights reserved
Published in Canada
ROUND SLINGS / WEBBING SLINGS
UG_SLINGS_R00
WARNING
- 1 - Use of round slings and webbing slings in adverse
conditions or hazardous applications
1.1 The material from which slings are manufactured has selective
resistance to chemicals. Polyester (PES) is resistant to most mineral acids
but is damaged by alkalis; Solutions of acids or alkalis which are harmless
can become sufficiently concentrated by evaporation to cause damage.
Contaminated slings should be taken out of service at once, soaked in cold
water, dried naturally, and referred to a competent person for examination.
1.2
Slings are suitable for use and storage in the following temperature ranges
for polyester: -40°C to 100°C (-40°F to 212°F). At low temperatures ice formation
will take place if moisture is present. This may act as a cutting agent and an abrasive
causing internal damage to the sling. Further, ice will lessen the flexibility of the sling,
in extreme cases rendering it unserviceable for use. These ranges vary in a chemical
environment, in which case the advice of the manufacturer or supplier should be
sought.Limitedindirectambientheating,withintheseranges,isacceptablefordrying.
1.3 The man-made fibres from which the slings are produced are susceptible
to degradation if exposed to ultra-violet radiation. Slings should not be stored in
direct sunlight or sources of ultraviolet radiation.
-2-
Inspection of Round Slings and Webbing Slings in Service
2.1 Before using the sling for the first time, it must be ensured that the sling
corresponds exactly to that specified on the order.
2.2 Before each use, the sling should be inspected for defects and to ensure
that the identification and specification are correct. A sling that is unidentified or
defective should never be used but should be referred to a competent person for
examination.
2.3 During the period of use, frequent checks should be made for defects or
damage, including damage concealed by soiling, which might affect the continued
safeuseofthesling.Thesechecksshouldextendtoanyfittingsandliftingaccessories
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 for examination by a competent person.
Any damage evident in the cover (round sling) indicates potential damage to the
load-bearing core.
Thefollowingare examples ofdefectsor damagelikelytoaffectthefitnessof slings
for continued safe use:
a) In normal use, some chafing will occur to the surface fibres of the cover (round
sling).This isnormal and has littleeffect.Anysubstantialchafe,particularlylocalized,
shouldbeviewedcritically.Localabrasion,asdistinctfromgeneralwear,canbecaused
by sharp edges whilst the sling is under tension, and can lead to the cover (round
sling) becoming cut, or/and cause serious loss of strength.
b) Round sling: Cuts. Cross or longitudinal cuts in the cover, or any damage to the
stitching, raise serious doubts as to the integrity of the core. Webbing sling: Cross
or longitudinal cuts, cuts or chafe damage to selvedges, cuts to stitching or eyes.
c) 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 a chemical attack on the cover raise serious doubts as to the integrity of
the core (round sling).
d)Heatorfrictiondamage,thisisindicatedbythefibresofthecover/surfacematerial
taking on a glazed appearance and in extreme cases, fusion of the fibres can occur,
indicating a weakening of the core (round sling).
