Post on 16-Feb-2021
April 201078-8130-1910-2-G
3M™ Fiber Optic Splice Closure 2178-L/S Series with Gasket
Instructionsfor:
3M™FiberOpticSpliceClosures2178-L/SSeries3M™FlameRetardantFiberOpticSpliceClosures2178-L/S/FR3M™CableAdditionKit2181-L/S3M™FlameRetardantCableAdditionKit2181-L/S/FR
3
2
Contents1.0 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.0 Specifications3M™FiberOpticSpliceClosurefor2178-L/SSeries. . . . . . . . . . . . . . . . . . . . . . . 3
3.0 3M™FiberOpticSpliceClosureConfigurationsandCapacityfor2178-L/SSeries. . . . . . . . . . . 5
4.0 KitContents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5.0 CablePreparation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6.0 RemovetheTraySupport. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.0 CableInstallation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
8.0 Cable/PortSealAssembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
9.0 BufferTube/FiberManagement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
10.0 SpliceClosureAssembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
11.0 SpliceClosureReentry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
12.0 3M™CableAdditionKit2181-LSand2181-LS/FRInstallation. . . . . . . . . . . . . . . . . . . . . . . . . 19
14.0 ClosureAccessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3
1.0 General1.1 Thisinstructionbulletindetailstheinstallationofthe3M™FiberOpticSpliceClosures2178-L/SSeries.
1.2 TheLclosuresconsistoftwoseries:the2178-LSSeriesclosureforoutsideplantapplicationsandthe2178-LS/FRSeriesclosureforinsidebuildingapplications(Seebelowforapplicationdetails).Theproductcanbeusedforbutt,inlineorbranchsplicingconfigurations.
2178-LS Series Closure Locations
2178-S Smallfiberopticspliceclosure Black closures for outdoor applications: underground (manhole, handhole), buried (pedestal), direct buried and aerial.
2178-LS Largefiberopticspliceclosure
2178-LL Extralargefiberopticspliceclosure
2178-SL Smallfiberopticclosurewithextrastoragearea
2181-LS Cableadditionkit
2178-LS/FR Series
2178-S/FR Smallflame-retardantfiberopticspliceclosure Gray closures for indoor flame retardant applications: vault and building ONLY.2178-LS/FR Largeflame-retardantfiberopticspliceclosure
2178-LL/FR Extra-largeflame-retardantfiberopticspliceclosure
2181-LS/FR Flameretardantcableadditionkit
2.0 Specificationsfor2178-LSClosuresSeriesMaximumcablediameter 1.0"(25mm)
Minimumcablediameter 0.2"(5mm)
Closurelength 21.9"(55.7cm)
2178-Sclosureheight 4.7"(11.9cm)
2178-LSclosureheight 8.0"(20.3cm)
2178-LLclosureheight 11.3"(28.7cm)
2178-SLclosureheight 8.0"(20.3cm)
Availablesplicechamberspace:length 16.4"(41.6cm)
Availablesplicechamberspace:width 5.5"(14cm)
2178-Sheight 1.2"(3cm)
2178-LSand2178-LLheight 3.7"(9.4cm)
2181-LSheight(1) 1.5"(3.8cm)
2181-LSheight(2) 3.0"(7.6cm)
2181-LSheight(3) 4.5"(11.4cm)
2181-SLheight 1.2"(3cm)
4
2.1 3M™ Fiber Optic Splice Tray Capacities2524SpliceTray2524-FTSpliceTray
243M™Fibrlok™Splices24FusionSplices(3.0mmx60mmHeatShrinkSleeves)
2523SpliceTray 24FibrlokSplices123M™Fibrlok™Multi-FiberSplices*(12fiberseach)48DiscreteFusionSplices(3.0mmx60mmHeatShrinkSleeves)12MassFusionSplices(12fiberseach)
2522SpliceTray 12FibrlokSplices8FibrlokMulti-FiberSplices*(12fiberseach)24DiscreteFusionSplices(3.0mmx60mmHeatShrinkSleeves)10MassFusionSplices(12fiberseach)
2543SpliceTray 24DiscreteFusionSplices(2.4mmx60mmHeatShrinkSleeves)24DiscreteFusionSplices(3.0mmx60mmHeatShrinkSleeves)18MassFusionSplices(12fiberseach)
2527-48-DFSpliceTray 48DiscreteFusionSplices(3.0mmx60mmHeatShrinkSleeves)
2527SpliceTray 12FibrlokSplices24DiscreteFusionSplices(3.0mmx60mmHeatShrinkSleeves)12MassFusionSplices(12fiberseach)
*Varieswithribbonsize
5
3.0 3M™FiberOpticSpliceClosureConfigurationsandCapacityfor2178-L/SSeries
3.1 PortConfigurations
Closure Size (L x W x H )Splice
ApplicationMax Cable Entry Ports
Main Branch
2178-S 21.9"x8.5"x4.7"(556x216x119mm)
ButtorInline
2Butt/2Inline 0Butt/2Inline
2178-Swithone2181-LS
21.9"x8.5"x6.2"(556x216x157mm) 2Butt/2Inline 2Butt/6Inline
2178-Swithtwo2181-LS
21.9"x8.5"x7.7"(556x216x196mm) 2Butt/2Inline 4Butt/10Inline
2178-Swiththree2181-LS
21.9"x8.5"x9.2"(556x216x234mm) 2Butt/2Inline 6Butt/14Inline
2178-LS 21.9"x8.5"x8.0"(556x216x203mm) 2Butt/2Inline 0Butt/2Inline
2178-LSwithone2181-LS
21.9"x8.5"x9.5"(556x216x241mm) 2Butt/2Inline 2Butt/6Inline
2178-LSwithtwo2181-LS
21.9"x8.5"x11.0"(556x216x279mm) 2Butt/2Inline 4Butt/10Inline
2178-LSwiththree2181-LS
21.9"x8.5"x12.5"(556x216x318mm) 2Butt/4Inline 6Butt/14Inline
2178-LL 21.9"x8.5"x11.3"(556x216x287mm) 2Butt/2Inline 0Butt/2Inline
2178-LLwithone2181-LS
21.9"x8.5"x12.8"(556x216x325mm) 2Butt/2Inline 2Butt/6Inline
2178-LLwithtwo2181-LS
21.9"x8.5"x14.3"(556x216x363mm) 2Butt/2Inline 4Butt/10Inline
2178-LLwiththree2181-LS
21.9"x8.5"x15.8"(556x216x401mm) 2Butt/4Inline 6Butt/14Inline
2178-SL SameasLS 2Butt/2Inline 0Butt/2Inline
Note: 2181-LS cable addition kits may be added to increase cable entry ports OR splice capacity.
6
4.0 KitContents Note: 3M™ Fiber Optic Splice Closure 2178 L/S-FR
Series is gray in color.
4.1 3M™FiberOpticSpliceClosure2178-Sand2178-S/FRKitContents(Figure1):
4.2 3M™FiberOpticSpliceClosure2178-LSand2178-LS/FRKitContents(Figure2):
4.3 3M™FiberOpticSpliceClosure2178-LLand2178-LL/FRKitContents(Figure3):
a) Closureassemblyincludestraysupport,gasket,airvalve,bolts,andcablestrainrelief
b)Sealingwashertrees............................6ea.c) Plugs....................................................2ea.d)Cableties,blueandgreen...................4ea.e) Sheathscuff.........................................1f) Hoseclamp..........................................3ea.g)Scotch®LinerlessRubber
SplicingTape130C.............................1rollh)Siliconegrease(5cctube)..................2ea.i) Smallallenwrench..............................1j) 3M™DualLock™ReclosableFasteners
(fortraysupport)............................. ....4k)Brassnutandwasher..........................2ea.(varies)l) Tapecollargauge................................1m)Traystrap............................................1n)Backcoverclip....................................4ea.o)K-connector(large).............................3ea.p)Screw(large).......................................3ea.q)K-connector(small)............................3ea.r) Screw(small)......................................3ea.Transitiontubetie-downbracket(notshown)..............................................1
a
bcd
e
f
g
h
i
jk
l m
n
op
qr
Figure 1
a
e
bcd
f
g
h
i
j
l
k
m
n
op
qr
Figure 2
a
e
bcd
f
g
h
i
j
l
k
m
n
op
qr
Figure 3
7
4.4 3M™SpliceClosure2178-S+81KitContents(Figure4):
4.5 3M™SpliceClosure2178-LS+81and2178-LS/FR+81KitContents(Figure5):
a)Closureassemblyincludestraysupport,gasket,airvalve,bolts,andcablestrainrelief
b)Sealingwashertrees............................6ea.c) Plugs....................................................6ea.d)Cableties,blueandgreen...................4ea.e) Sheathscuff.........................................1f) Hoseclamp..........................................3ea.g)Scotch®LinerlessRubber
SplicingTape130C.............................1rollh)Siliconegrease(5cctube)..................2ea.i) Smallallenwrench..............................1j) 3M™DualLock™ReclosableFasteners(fortraysupport).................................4k)Brassnutandwasher..........................2ea.(varies)l) Tapecollargauge................................1m)Traystrap............................................1n)Backcoverclip....................................4ea.o)K-connector(large).............................3ea.p)Screw(large).......................................3ea.q)K-connector(small)............................3ea.r) Screw(small)......................................3ea.s) 3M™CableAdditionKit2181............1Transitiontubetie-downbracket(notshown)..............................................1
c
a
b
d
e
g
hij
k
f
l
mnopqr
s
Figure 4
c
a
b
d
e
g
hij
k
f
l
mnopqr
s
Figure 5
4.6 3M™CableAdditionKit2181-LSand2181-LS/FRContents(Figure6):
a) Adapterwithgasket............................1b)Sealingwashertrees............................6ea.c) Plugs....................................................4ea.d)Cableties,blueandgreen...................4ea.e) Sheathscuff.........................................1g)Scotch®LinerlessRubber
SplicingTape130C.............................1rollg)Siliconegrease(5cctube)..................2ea.h)Smallallenwrench..............................1i) Bolts....................................................10ea.j) Tapecollargauge................................1k)K-connector(large).............................2ea.l) Screw(large).......................................2ea.m)K-connector(small)............................2ea.n)Screw(small)......................................2ea.o)Buffertuberetention...........................2
c
a
b
de
g
h
i
j
k fl
mn
o
Figure 6
Note: 3M™ Fiber Optic Splice Closure L/S-FR Series is gray in color.
8
4.7 AdditionalMaterialsRequired:
• 3M™CableCleaner4415 • #6AWGgroundwireorequivalent • Splicetray/organizer
• 3M™Scotchlok™ShieldBondConnector4460-Dor4460-D/FO,ifusingshieldedcables
• Cableties
4.8 ToolsRequiredforClosureAssembly
• 3/8"(10mm)hexdriver • 1/2"(13mm)hexdriver • 7/16"(12mm)hexdriver
• Snips• Torquewrench• Phillips-headscrewdriver
4.9 ToolsRequiredforCablePreparation
• Tapemeasure • Electrician’spliers
• Snips• Splicer’sknife
5.0 CablePreparationNote: For clarity, the 3M™ Fiber Optic Splice Closure 2178-S has been shown. Installation procedures are the
same for all combinations of the 2178-L/S series of splice closures.
Note: When removing cable sheathing, do not cut, kink or damage underlying layers. If damage occurs, cut back sheath to adequately inspect and repair.
5.1 Remove96"(244cm)ofoutercablesheath(andshieldorarmor,ifpresent).Removesuccessivesheathlayersandwrappingtoexposebuffertubesprotectingfibers.Staggerlayersasrecommendedbycablemanufacturerorperstandardpractice.
5.2 Removeallcablegrease.Cleanallbuffertubesanddielectricstrandswithapprovedcleaner.
Note: Carefully follow health, safety and environmental instructions as given on Material Safety Data Sheet or container label for cable cleaner solvent being used.
5.3 Trimoffanysolidfillertubesanddiscard.
Note: Strength member may be trimmed back to no less than 3" (76 mm).
5.4 Scuff5"(127mm)ofeachcablesheathendusingthesuppliedsheathscuff.
Note: All cables must be scuffed.
Figure 7
9
6.0 RemovetheTraySupport6.1 Removethetraysupportbylooseningthe
captivescrews,thenslidingthetrayforwardandliftingstraightupfromclosurebase.Thereisnoneedtofullyremovethescrews.
Figure 8
Figure 9 Tray support in 3M™ Fiber Optic Splice Closure
2178-S & 2178-SL
Figure 10 Tray support in 3M™ Fiber Optic Splice Closure
2178-LS & 2178-LL
7.0 CableInstallation7.1 Takethecableandplaceitintothecableport,
aligningtheendofthecablesheathwiththecablestrainreliefbracketasshown.Thecablesheathshouldendapproximately1/4"(6mm)beyondthehoseclamptied-down.
Figure 11
10
7.2 Markboththecutoffsonthestrainreliefbracketandtheplacementofthewashers.
Figure 12
Figure 13
7.3 Cutthestrengthmembers.
7.4 Selectthesealingwashers.Usethesmallestinsidediametersealingwasherthatwillfitontothecable.
Proper size washer
Figure 14
7.5 Formidspan,expressorloop-throughapplications,splitthewasherusingsnipsandplaceonthecable.
Figure 15
11
7.6 Thesetscrewswhichholdthecabletiedownbracketsarefactoryinstalled.Onesetscrewmayberemoved.Removethecablestrainreliefbracketusingtheallenwrenchincludedinthekit.Itisrecommendedtotapetheallenwrenchtotheinsideoftheclosureforlateruse.
Note: SET SCREW MUST NOT EXTEND ABOVE PLASTIC “U” CHANNEL.
Figure 16
For Dielectric Cables:
7.7 For cables with no central strength member:Benddownorbreakoffthecenterlegandtietownoutsidestrengthmembersasshown.
Slidestrengthmembersunderretentionlugsandtightenboltsto40in./lbs.±5in./lbs.(4.6N•m±0.6N•m).
Installhoseclamparoundcableandthroughslotinstrainreliefbracket.Tightento40in./lbs.±5in./lbs.(4.6N•m±0.6N•m).
Note: Tighten first then remove prongs Figure 17
7.8 For cables with central strength member: Assemblestrengthmemberclampontostrainreliefbracketasshown.Markandcutthecentralstrengthmemberatendofstrengthmemberclamp.Benddownorbreakoffoutsidelegs.
Slidecentralstrengthmemberunderretentionlugandtightenboltto40in./lbs.±5in./lbs.(4.6N•m±0.6N•m).
Installhoseclamparoundcableandthroughslotinstrainreliefbracket.Tightento40in./lbs.±5in./lbs.(4.6N•m±0.6N•m).
Figure 18
Figure 19: Prongs being bent Figure 20: Prongs being broken off
12
7.9 Ifsecuringthestrengthmemberisnotrequired,thefronthalfofthesheathretentioninsertcanberemovedasshown.
7.10 Reinstallsetscrews.
Figure 21
Figure 22
For Armored Cables:
7.11 Installa3M™Scotchlok™ShieldBondConnector4460-Dundercableshieldpercompanypractice.Installgroundbraidpercompanypractice.
Note: Refer to vendor instructions for shield bond connector installation.
Figure 23
7.12 Installonegreencabletieonthe“FeederCable”andtrim.Installonebluecabletieoneach“DistributionCable”andtrim.
13
3M™ Multiport Grommet 4-Port (1.0") Installation
7.13 Orientthegrommetasshownwithonedropportpositionedattop.Insertthetwostrengthmembersfromthetopdropcableandtheupperstrengthmembersfromthedropcablesoneitherside(fourtotal)intothecenterlargeK-connector.InserttheremainingstrengthmembersintothesmallK-connectorsoneitherside.
7.14 Securethecablestrainreliefbrackettothegrommetwiththehoseclampasshown.Tightenthehoseclampto40in.-lbs.±5in.-lbs.(4.6N•m±0.6N•m).
Note: Ensure that the extruded retention feature of strain relief has sufficient contact with surface of grommet.
Extruded Retention Feature
7.15 TightenthethreeK-connectornutsto40in.-lbs.±5in.-lbs.(4.6N•m±0.6N•m)each.
14
7.16 Placecablestrainreliefandthe3M™MultiportGrommetAssemblyintotheclosure.
7.17 Placecabletiesaroundmultiportgrommetassemblyinsideandoutasshown.
Note: White cable ties are shown for clarity.
7.18 Followclosureinstructionsforallotherpreparationleadinguptoandincludingsealingclosure.
3M™ Fiber Optic Splice Closure 2178-S3M™ Fiber Optic Splice Closure 2178-LS3M™ Fiber Optic Splice Closure 2178-LL
For Flat Cables:
7.19 Installflatcablesin3M™Multi-portGrommetperinstructions78-8135-4313-5.
7.20 Placecablestrainreliefonthegrommetsothatthehoseclampcenterisapproximately1"(25mm)fromtheendofthegrommet.
1" (26 mm) approx.
Figure 24
7.21 Tightenthehoseclamparoundgrommetandcablestrainreliefto20in.-lbs.±5in.-lbs.(2.3N•m±0.6N•m).
Note: Ensure that the extruded retention feature of strain relief has sufficient contact with the surface of the grommet.
Figure 25
15
8.0 Cable/PortSealAssemblyNote: For installation into 3M™ Multiport Grommet, use the instructions provided in grommet kit.
8.1 Therubbergasketisfactoryinstalledinall3M™FiberOpticSpliceClosures2178-L/SSeries.Ifthegasketbecomesdamaged,replaceusingthe3M™GasketKit2178-LS/GSKT.
Figure 26
8.2 UsetheScotch®LinerlessRubberSplicingTape130Cincludedwiththeclosuretobuildthecableseals.Checktheplacementofthetapebypositioningthestrengthmemberclampwhereitwillbeanchored.
Figure 27
8.3 Wrapthetapearoundthecable,ensuringthattheedgesstayevenandflushwiththesealingwashers.
Figure 28
16
8.4 Thetapeshouldbewrappedto1.05"(27mm)outsidediameter.Usethetapecollargaugetodeterminetapewrap.Wrapallcablestoproperdiameter.
1.05"end
1.45"end
forusein1.0"ports
forusein1.4"portsNotusedin2178-L/SSeries
Figure 29
8.5 Applyathinlayerofthesuppliedsiliconegreasetothebottomsideofthegasketintheportarea.
Figure 30
8.6 Applysiliconegreasetotheoutsideoftheportareaonthegasket,theareabetweentheports,andtothetopofthegasketalongthesidesoftheclosure.
Note: Carefully follow health, safety and environmental instructions as given on Material Safety Data Sheet for the silicone grease.
Figure 31
17
8.7 Applysiliconegreasetothesplitorcutedgeofthegasket.
Note: Reinstall bracket with assembled cables using set screws.
Note: Carefully follow health, safety and environmental instructions as given on Material Safety Data Sheet for the silicone grease.
Figure 32
8.8 Applythesiliconegreasetothetapecollarbetweenthewashersandtotheoutsideofthesealingplugs,ifany.Plugsshouldbeplacedinsidegasketattheunusedentryports.
Note: The grease allows the cables and gasket to slide into place and helps seal the cable port area.
Note: Carefully follow health, safety and environmental instructions as given on Material Safety Data Sheet for the silicone grease.
8.9 Placecablesinsidetheportareaonthegasket.Ensurethattherubbertapesealsareinsidethegasketports.Thetwowashersshouldbeplacedintheportgroovesontheclosurewithonewasheroneachsideofthegasket.
Note: Be sure that both washers are perpendicular (90°) to cable.
8.10 Applyathincoatofthegreasetothetopofthegasketaroundtheentireclosureperimeter.
Figure 33
8.11 Installbackcoverclipswithcableties(notprovided)untilsnug.
Figure 34
18
9.0 BufferTube/FiberManagement9.1 Gatherallbuffertubesfrom“FeederCable”and
installonegreencabletie.Installonebluecabletieonthe“DistributionCable”buffertubes.Installtwobluecabletieson“BranchCable”buffertubes.
9.2 Coilbuffertubebundlesinsideclosurebasepercompanystandard.
9.3 Forribbontransitiontotrayapplications,securethetransitiontubetothebracketmountedinthebaseasshown.
Figure 35
9.4 Installtraysupportintoslotsontheclosurebase,slideintoplace,andtightenscrewsuntilsnug.
9.5 Installsplicetraysandsplicespercompanystandardandinstallationinstructions.
Figure 36
9.6 Whenthetraysupportandtrayareinplace,mounttheotherendofthetransitiontubetothetray.Ensurebuffersortransitiontubeskeepthelargestpossibebendradiuswhenroutedintheclosure.
Note: 3M™ Fiber Optic Splice Tray 2543 shown for illustration purposes. Refer to individual tray instructions for more information.
Figure 37
19
10.0SpliceClosureAssembly10.1 Beforeplacingtheclosurecoveroneitherthe
closurebaseorthe3M™CableAdditionKit2181-LSor2181-LS/FR(topadapter),ensurethattheairvalvematchesupwith“AIR VALVE END”noteonthebaseortopadapter.
10.2 Screwallboltsuntiltheyhavebeenthreadedseveralcompleteturnsintothreadedinserts.
Note: If 3M™ Universal Aerial Hanger Bracket 2183 or 2197 is to be used, follow its practice prior to splice closure assembly.
Figure 38
10.3 Hand-tightentenboltsinsequenceshown.
Note: See numbers on splice closure.
Finaltighteningshouldbedonewithatorquewrenchinsequenceto240in/lbs.(27.12N•m)torque.Closure leakage may occur if procedure is not followed.
10.4 Tocheckforleaks,flashtestthespliceclosurebyapplyingairto10psi(0.67bar)MAXIMUM, THEN RELEASE PRESSURE.
Note: Use only clean, dry air or nitrogen from your company-approved source.
Note: Use only E-pressure testing solution or diluted dish washing soap for flash testing.
9 6 2 4 8
3 1 5 710
Figure 39
3M™FiberOpticSpliceClosure2178-L/SSeriesNotesNote: Information on accessories available for the 2178-L/S and FR Series closures can be found in the back
of this instruction document.
Note: If wall mount bracket is required for the 3M™ Fiber Optic Splice Closure 2178-S, 2178-S/FR, 2178-LS or 2178-LS/FR use the 3M™ Mounting Bracket Kit 2198. Attach brackets to base (as shown) prior to cable preparation.
Tighten bracket screws securely.
Figure 40
20
Note: If wall mount bracket is required for the 3M™ Fiber Optic Splice Closure 2178-LL, 2178-LL/FR, 2178-S, 2178-S/FR, 2178-LS or 2178-LS/FR, use the 3M™ Mounting Bracket Kit 2199. Attach brackets to base (as shown) prior to cable preparation.
Figure 41
Tighten bracket screws securely.
Figure 42
Note: Proper sealing of the 3M™ Fiber Optic Splice Closure 2178-L/S and 2178-L/S-FR Series depends on strict adherence to these instructions and the use of specified materials. Deviations can cause leakage or closure damage. Maintain clean sealing surfaces to ensure proper sealing.
11.0SpliceClosureReentry11.1 Removethetenboltsholdingthespliceclosurehalvestogether.Thecovercaneasilybeseparatedfrom
thebasebyhand.
11.2 Whenresealingtheclosure,reapplysiliconegreasetothegasket.
11.3 Followsteps10.3–10.4toresealclosure.
12.03M™CableAdditionKit2181-LSand2181-LS/FRInstallation12.1 Installationproceduresforthe2181-LScableadditonkitarethesameasthe2178-L/Sseriessplice
closureswiththefollowingexceptions:ForSINGLEcableadditonkitinstallation,replacealltenboltsinsertedintheclosurecoverwiththetenboltssuppliedwiththe2181-LSor2181-LS/FRcableadditionkit.ForDOUBLEcableadditonkitinstallation,replacealltenboltsinsertedintheclosurecoverwiththetenlongerboltssuppliedwiththe3M™ Double Adapter Bolt Kit 2181-B.ForTRIPLEcableadditonkitinstallation,replacealltenboltsinsertedintheclosurecoverwiththetenlongerboltssuppliedwiththe3M™ Triple Adapter Bolt Kit 2181-C.
Note: The 2181-B and the 2181-C kits contain only the longer bolts. These are needed for two and three cable addition kits repectively.
21
12.2 Thetraysupportcanbeinstalledintheclosurebaseoranyofthecableadditionkits.Installthetraysupportontothedesiredlevelbyplacingitintotheslotsonclosurebaseoradapter,andtighteningthescrewsuntilsnug.
12.3 The following steps are for all adapters installed:
a. Topreventbuffertubesandfibersfrombeingdamagedorpinchedbetweenadaptersandtheclosure,theadaptersmustbepulleddownintoplacebeforetheclosurecoverisinstalled.
Figure 43
b. Addbuffertuberetentionintoeachadapterbeinginstalled.
c. Fordoubleandtripleapplications,removeallcornerinsertsonthelowerleveladapter(s).Ascrewdrivercanbeusedtotakeoutthecornerinserts.
Figure 44
d.Thethreadedinsertsshouldbeinthefourcornersonthetopportionofthetopadapteronly.
e. Priortoplacinganadapterontheclosurebase,ensurethatthenote“AIR VALVE END”ontheadapterisalignedwiththe“AIR VALVE END”noteonthegasketsandtheclosurebase.
f. Ifplacingoneadapteronanotheradapter,makecertainthenote“AIR VALVE END”linesupforalladapters,gasketandtheclosurebase.
g.Setadapter,withtheword“BOTTOM”facingdown,ontopoftheclosure.
Note: It is important to orient the gaskets correctly on each level of the assembly (see Section 6.2 and 6.3).
h.Continueassemblyforeachlevel,followingtheinstructionsfromSection4.0to8.0.
Figure 45
22
i. Aftercableshavebeeninstalledonthelowerlevelsandtopadapterisinplace,inserttheboltsfromunderneathintothefourcornerinserts.Screwthefourboltsuntiltheyhavebeenthreadedseveralcompleteturnsintothecornerinserts.
Figure 46
j. Slowlybringadaptersdownbyworkingfromcornertocorner(asshown)untilsnug.Ensurenobuffertubeshavebeenpinchedbetweentheadaptersandtheclosurebase. 1 3
4 2
Figure 47
12.4 Afterassemblyiscomplete,followtheinstructionsin9.0exceptonlytightenbolts1to6inthesequenceshown.Aftercoverhasbeeninstalledwithsixbolts,removethefourcornerbolts.Usethesefourboltsfortheremainingcoverbolts,usingthesequenceshown.Finaltighteningshouldbedonewithahandwrenchto240in.-lbs.(27.12N.m)torque.Torque -FR Closures to 50 in.-lbs. (5.6 N.m). Closure leakage may occur if procedure is not followed. Tocheckforleaks,flashtestspliceclosurebyapplyingairto10psi(0.67bar)MAXIMUM, THEN RELEASE PRESSURE.
Note: Use only clean, dry air or nitrogen from your company-approved source.
Note: Use only E-pressure testing solution or diluted dish washing soap for flash testing.
9 6 2 4 8
3 1 5 710
Figure 48
13.03M™FiberOpticSpliceClosureRe-entrywithAdapters13.1 Removebolts7,8,9and10.Installthesefour
boltsfromunderneathintothefourcornerinserts.Tightenuntilsnug.Removeremainingbolts.Thecovercanthenbeeasilyremovedbyhand.Thisprocedurewillkeeptheadaptersinplacewhilethecoverisremoved.
23
14.0ClosureAccessories
3M™ Ground Isolation Kit 2178-EGI-External 3M™ Wall Mount Bracket 2199 3M™ Aerial Hanger Kit 2183
3M™ Cable Fanout Kit 2519 and 2519-X 3M™ Mounting Bracket Kit 2198 3M™ Aerial Hanger/Hinge Kit 2197
3M™ Adjustable Aerial Hanger Bracket Kit 2184 3M™ 1.0" O.D. Multiport Grommet 2178-4PGA 3M™ Gasket Kit 2178-LS/GSKT
3M™ Cable Cleaner 4415 3M™ Fiber Optic Splice Tray 2543 3M™ Scotchlok™ Shield Bond Connector 4460-D
3M, Fibrlok, Dual Lock and Scotchlok are trademarks of 3M Company. Scotch is a registered trademark of 3M Company.
Important NoticeAll statements, technical information, and recommendations related to 3M’s products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated with such use. Any statements related to the product which are not contained in 3M’s current publications, or any contrary statements contained on your purchase order shall have no force or effect unless expressly agreed upon, in writing, by an authorized officer of 3M.
Warranty; Limited Remedy; Limited Liability. This product will be free from defects in material and manufacture for a period of one (1) year from the time of purchase. 3M MAKES NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above, your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of the 3M product. Except where prohibited by law, 3M will not be liable for any indirect, special, incidental or consequential loss or damage arising from this 3M product, regardless of the legal theory asserted.
3Communication Markets Division6801 River Place Blvd.Austin, TX 78726-90001-800-462-8688www.3MTelecommunications.com
Please Recycle. Printed in USA.© 3M 2010. All Rights Reserved.78-8130-1910-2-G