Dräger PSS User Manual

3360273 (A3-D-P)
i
PSS
®
is a registered trade mark of Dräger
1 For your safety
1.1 General safety statements
● Beforeusingthisproduct,carefullyreadtheAssemblyInstructions.
● StrictlyfollowtheAssemblyInstructionsandtheappropriateInstructions
for Use. The user must fully understand and strictly observe the
instructions. Use the product only for the purposes specied in the
IntendedUsesectionofthisdocument.
● UseonlygenuineDrägersparepartsandaccessories,ortheproper
functioningoftheproductmaybeimpaired.
● Do not use a faulty or incomplete product, and do not modify the
product.
● NotifyDrägerintheeventofanycomponentfaultorfailure.
1.2 Denitionsofalerticons
Alert iconsareused in this document to provide and highlight text that
requiresagreaterawarenessbytheuser.Adenitionofthemeaningof
eachiconisasfollows:
WARNING
 Indicatesapotentiallyhazardoussituationwhich,ifnotavoided,
couldresultindeathorseriousinjury.
CAUTION
 Indicatesapotentiallyhazardoussituationwhich,ifnotavoided,could
resultinphysicalinjuryordamagetotheproductorenvironment.It
mayalsobeusedtoalertagainstunsafepractices.
NOTICE
 Indicatesadditionalinformationonhowtousetheproduct.
2 Description
2.1 Productoverview
TheDrägerPSSPneumaticUpgradekitallowsthepneumaticsystemof
PSS 90 series and PSS 100 series self-contained breathing apparatus
(SCBA)tobeupgradedtothePSS7000seriesofpneumatics.
Twomainvariantsareavailable:areducer-onlykitandapre-assembled
reducer and hose kit. If the breathing apparatus label (located on the
backplate)doesnotstate“EN137:2006Type2”,thebreathingapparatus
is compatible with a reducer and hose kit only. Breathing apparatus
approvedtoEN137:2006Type2iscompatiblewithallkitvariants.
2.1.1 Reducer-onlykit
The reducer-only kit is suitable for upgrading the reducer on PSS 90
andPSS100breathingapparatusapprovedtoEN137:2006Type2and
comprisesthefollowingparts:
● 1PSS7000pressurereducer(witheitherastandardhandwheelor
quick-connectcoupling)
● 2Retentionstaples
● 2M3Torxsocketpanheadscrews
● 1PSS90reducermountingbracket
 (PSS100bracketavailableseparately)
● 1Reducermountingblockbase
● 1Reducermountingblocktop
● 1M5shoulderbolt
● 1M6atwasher
● 1M5atwasher
● 1M5selflockinghexagonnut
● 1Upgradeapprovallabel
● 1Hoseloop
2.1.2 Reducerandhosekit
Thereducerandhosekitissuitableforupgradingboththereducerand
pneumatic hoses on PSS 90 and PSS 100 series breathing apparatus
manufacturedafter2002.Itcomprisesthecomponentslistedabovewith
theadditionofthefollowingparts:
● 1Medium-pressurehosewithquickcoupling
● 1Dual-pressurehoseandpressuregauge
Inthereducerandhoseskitthehoses,Torxscrewsandretentionstaples
arepre-ttedtothereducer.
2.2 Intended use
ThePSSPneumaticUpgradekitisusedtoreplacethepneumaticsystem
onPSS90seriesorPSS100seriesbreathingapparatus(contactDräger
forafulllistofcompatiblebreathingapparatus).Itisintendedtoupgrade
tothePSS7000pressurereducertypeduringscheduledoverhaulusing
theDrägerRepairandExchangeservice(REX).
3 Assemblyinstructions
WARNING
 Fitting the PSS Pneumatic Upgrade kit may only be carried
out by trained personnel (attendance at an appropriate Dräger
maintenancecourse is required). Fitting by untrained personnel
couldmakethebreathingequipmentunsafeforuse.
3.1 Removingtheexistingpneumaticsystem
1. Referring to the breathing apparatus Instructions for Use, place
equipmentdowncarefullyonaatsurface.Ventallairfromthesystem
andthenremovethecylinder.
2. Unscrew andremovethe locking nut(Fig1, Item 1)andwasher (2).
Slide the locking bolt (3) out from the mounting block to release the
reducer(4).
3. Openallhoseloopstoreleasethehosesandremovethepneumatic
assemblyfromthebackplateandharness.
4. Removetherubberbootfromthebottomofthebackplate.
5. Unclipthemountingbracket(5)fromthebackplate.
6. Discardthemountingbracketandxingsastheyarenolongerrequired.
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3.2 Replacingthepneumatichoses
3.2.1 Disconnectingthehosesfromexistingpressurereducer
Ifthe newreducer is pre-tted with the hoses goto Section3.3. Ifany
pneumatic accessory or a secondary supply hose is installed see the
appropriateInstructionsforUsefordetailsoftheirremoval.
1. Unscrewandremovethe2screws(Fig2,Item1)fromthereducer.
Removetheretainingcap(2)andthenremovetheretentionstaple(3).
2. Removethemedium-pressurehose(4)fromtheoutletport.
3. Repeattheabovestepstodisconnectthedual-pressurehose.
Componentpartsofthehoseendsshouldnotberemoved.
3.2.2 Connectinghosestoreplacementpressurereducer
1. Check the condition of the medium-pressure hose. Ensure that the
O-ring (Fig 3, Item 1), O-ring retainer (2) and spring (3) are clean,
undamagedandinpositiononthehoseend.
2. Align and insert the medium-pressure hose (Fig 4, Item 1) into the
port, pressing and holding it against the compression spring. Insert
theretainingstaple(2)throughtheholesinthereducer,ensuringthe
correctlocationintothegrooveinthehoseend.Checkthatthehose
issecurelyretainedbygentlypullingthehoseawayfromthereducer.
3. Insert and tighten the screw (3). Dräger recommend tightening the
screwtoatorqueof1.2Nm.
4. Checktheconditionofthedual-pressurehose.EnsurethattheO-rings
(Fig5, Items 1and 2),backup ring (3)and lterelement(s) (4) are
clean,undamagedandinpositiononthehoseend.
5. Insertthedual-pressurehose(Fig6,Item1)intotheport.Insertthe
retainingstaple(2)throughtheholesinthereducer,ensuringthatit
tsintothegrooveinthehoseend.Checkthatthehoseissecurely
retainedbygentlypullingthehoseawayfromthereducer.
6. Insertandtightenthescrew(3)toatorqueof1.2Nm.
CAUTION
 If installing a secondary supply hose, ensure that the hose is
routedasshowninFig7.Thiswillpreventthesecondarysupply
hosefromprotrudingbeyondthebackplatewhereitcouldsustain
damageorpresentasnagginghazard.
3.3 Fittingtheupgradedpneumaticsystem
1. Toinstallthereducermountingbracket:
 ○ PSS90–Hook the mountingbracketaround the bottom ofthe
backplate(see Fig 8). Pivot the mounting bracket into the slots
inthebackplate.Applygentlepressuretothebracketuntilitclips
securelyintoplace.
 ○ PSS100–Lineupandinsertthemountingbracketintotheslots
inthebackplate.
2. Rettherubberboottothebottomofthebackplate.
3. Placetheequipmentdowncarefullyonaatsurface.Slotthemounting
blockbase(Fig9,Item1)andtop(2)intothegrooveinthebackplate
asshown.
4. Placethe reducer (5) into theslot inthe mounting block. Place the
M6washer(4)overtheshoulderbolt(3)andslidethemthroughthe
reducer and mounting block. Note that the mounting bolt can only
be inserted fully through the reducer and mounting block from the
directionshowninFig9.SlidetheM5washer(7)overtheendofthe
boltandhand-tightenthelockingnut(6)toholdthereducerinplace.
5. Securelytightenthelockingnutandbolt.Donotovertighten.
NOTICE
 Anassemblytool (part number3360746) available fromDräger
maybeusedtosecurelytightenthelockingnutandboltifrequired.
6. AlignthehosesandrethoseloopsasshowninFig10(PSS90)or
Fig11(PSS100).Addtheadditionalhoseloop(Fig10,Item1)inthe
fourthpositionfromthetopoftheshoulderstrapifupgradingaPSS90
seriesbreathingapparatus.
3.4 Labellingtheupgradedproduct
1. Recordonthenewapprovallabel:
 ○ Whatupgradekitwastted(e.g.reducerandhoses).
 ○ Whatthebreathingapparatuswasbeforetheupgrade,including
anyvariantmarkings(e.g.PSS90D).
2. Ensurethebackplateisfreefromdirtandgrease.
3. Fixthenewapprovallabeltothebackplateasfollows:
 ○ ForPSS90,xthelabeltotheinsideofthebackplate(Fig10,
Item2).
 ○ ForPSS100,xthelabelbeneaththeanchorpeg(Fig11,Item1).
3.5 Functionaltesting
WARNING
 Failureofthebreathingapparatustomeetanyofthestandards
orparametersdescribedinthefunctionaltestsindicatesasystem
fault. Report the fault to trained service personnel or contact
Dräger.Donotusethebreathingapparatusuntilthefaultcondition
isrectied.
Preparetheequipmentforuseandcarryoutthefullfunctionaltestingas
detailedintheappropriateInstructionsforUse.
4 Usingthemodiedequipment
The instructions for using and caring for the modied equipment (use,
maintenance, cleaning, storage, etc.) are contained in the appropriate
InstructionsforUse.
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PSS
®
PneumaticUpgradekit
AssemblyInstructions
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0333
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0228
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1
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432
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3838
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3826
D
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2137
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WRAH-1653
COMPRESSED AIR
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100
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COMPRESSED AIR
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WRAH-1653
COMPRESSED AIR
bar
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COMPRESSED AIR
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PSS 90
PSS 100
3828
3360273
©DrägerSafetyUKLimited
Edition03–April2013(Edition01–October2011)
Subjecttoalteration
DrägerSafetyAG&Co.KGaA
Revalstraße Tel +49451882-0
D-23560 Fax +49451882-2080
Lübeck
Germany Internethttp://www.draeger.com
DraegerSafetyUKLimited
UllswaterClose Tel +441670352891
RiversideBusinessPark Fax +441670356266
Blyth
NorthumberlandNE244RG Internethttp://www.draeger.com

Dräger PSS Specifications

General

Application	Firefighting, industrial
Operating Pressure	300 bar
Cylinder Capacity	6.8 liters
Cylinder	Composite or steel
Backplate	Yes
Backplate Material	Composite
Approval	EN 137
Certification	CE