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CRANE SAFETYSLINGS SAFETY
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The Users Responsibilities
Rigger
CraneOperator
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Rigging Equipment Slings
Types of slings inlu!e "lloy steel h"in# $ire rope#
met"l mesh# n"tur"l or syntheti fiber rope# "n!
syntheti $eb%
Ch"in &ire rope 'et"l mesh Syntheti
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OSHA Office of Training & 8
Sling Inspetion
Inspet slings(
E"h !"y before use
&here ser)ie on!itions$"rr"nt
Remo)e them from ser)ie if!"m"ge! or !efeti)e
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OSHA Office of Training & 9
A!"pts to sh"pe of the lo"!C"n !"m"ge by su!!ensho*s+est hoie for hoisting )ery
hot m"teri"ls&hen one lin* in " h"in f"ils#the lo"! $ill ome !o$n%'ust h")e "n "ffi,e! t"gst"ting si-e# gr"!e# r"te!"p"ity# "n! slingm"nuf"turer
Alloy Steel Ch"ins
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'"r*ingsAlloy Steel Ch"in
It must be marked with grade or manufacturer's mark
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Inspetion of Ch"in
'ust be )isu"lly inspete! prior to use%
."y spei"l "ttention to "ny strething
/"ny elong"tion from the origin"l length% The !i"meter of the $orn h"in lin* shoul!
be me"sure! "t the point of the gre"test
$e"r "n! omp"re $ith minimum
"llo$"ble !i"meters in t"bles%
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OSHA Office of Training & 13
Ch"in Sling &e"r Ch"rtCh"in Si-e
/inhes0
'inimumAllo$"bleCh"in Si-e/Inhes0
Ch"in Si-e
/inhes0
'inimumAllo$"bleCh"in Si-e/Inhes0
1
234
5
634
7
834
963:;
9
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&ire Rope Slings
Use! to hoist m"teri"ls
Seletion onsi!er"tions(
strength
"bility to ben! $ithoutr"*ing
"bility to $ithst"n! "br"si)e$e"r
"bility to $ithst"n! "buse
Wire roe
Strand
!enter
Wire!ore
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OSHA Office of Training & 18
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Inspections
Each day before use, the sling, allfastenings and attachments must beinspected by a competent person
Additional inspections performed duringuse, where conditions warrant
Damaged slings must be removed fromservice
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Co)er or blunt protru!ing en!s of str"n!s
.rotru!ing En!s
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OSHA Office of Training & 23
&ire Rope Clips
&hen using U>bolt
$ire rope lips to
form eyes# ensure
the ?U? setion is in
ont"t $ith the
!e"! en! of the
ropeThis is the orret metho!
@e"! En!
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Lubri"tion
Regul"rly lubri"te ropes "n! h"ins
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&ire Rope SlingsRemo)e From Ser)ie
If these happen, remove the wire rope sling from service
Crushing
in*ing+ir! C"ging
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Remo)e From Ser)ie
Imme!i"tely remo)e !"m"ge! or
!efeti)e slings from ser)ie
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Type of &ire &ire Rope Sling
@"m"ge
Birdcage damage
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Remo)e From Ser)ie &hen
: bro*en $ires in 9 l"y
2 in one str"n!
Buter $ire !i"meter $orn 932origin"l !i"meter
+ir! "ge! # rushe!# *in*e!
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One complete wrap of a strand around the core
"oe #a$Rope Lay
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@"m"ge! $ire rope
+ro*en Str"n!s
@"m"ge! $ire rope must be t"*en out of ser)ie
Crushe! Rope
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'"r* or o!e tosho$(
N"me or tr"!em"r*
of m"nuf"turer
R"te! "p"ities for
the type of hith
Type of m"teri"l
Syntheti &eb Sling'"r*ings
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Fittings must be(
At le"st "s strong
"s th"t of the sling
Free of sh"rp
e!ges th"t oul!
!"m"ge the
$ebbing
Syntheti &eb Slings
Fittings
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Stithing is the only metho! "llo$e! to "tt"hen! fittings to $ebbing# or to form eyes
Syntheti &eb SlingStithing
Stithing
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Remo)e from ser)ie if"ny of these "re present(
Ai! or "usti burns
'elting or h"rring of"ny p"rt
Sn"gs# puntures# te"rsor uts
+ro*en or $orn stithes
@istortion of fittings
Syntheti &eb Slings >Remo)e from Ser)ie
e"t @"m"ge
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Sling Configur"tions
Sling Angles
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Sling Angles
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Note:A good operating practice is to keep sling angles
from going below 60 degrees
1000 LBS 1000 LBS 1000 LBS 1000 LBS
500
LBS
500
LBS
577
LBS
577
LBS
707L
BS70
7LBS
1000 LBS 1000 LBS
90 60 45 30
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