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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WRAH-1653
COMPRESSED AIR
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100
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COMPRESSED AIR
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WRAH-1653
COMPRESSED AIR
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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

Summary

For Your Safety

General Safety Statements

Key safety guidelines for using the Pneumatic Upgrade kit, including reading instructions and proper usage.

Definitions of Alert Icons

Explains the significance of alert icons (WARNING, CAUTION, NOTICE) used to highlight important information.

Description

Product Overview

Details the PSS Pneumatic Upgrade kit's function and its two main variants for PSS 90/100 SCBA systems.

Reducer-Only Kit

Lists the specific components included in the reducer-only kit for upgrading the PSS 90 and PSS 100 breathing apparatus.

Reducer and Hose Kit

Outlines the components of the reducer and hose kit, suitable for PSS 90/100 SCBA manufactured after 2002.

Intended Use

Specifies the intended use of the PSS Pneumatic Upgrade kit for upgrading PSS 90/100 SCBA pneumatic systems.

Assembly Instructions

Removing the Existing Pneumatic System

Step-by-step guide to remove the existing pneumatic system from the breathing apparatus.

Replacing the Pneumatic Hoses

Instructions for replacing pneumatic hoses, including disconnecting them from the pressure reducer.

Fitting the Upgraded Pneumatic System

Connecting Hoses to Replacement Pressure Reducer

Detailed steps for connecting medium-pressure and dual-pressure hoses to the replacement pressure reducer.

Installing the Reducer Mounting Bracket

Procedure for installing the reducer mounting bracket onto the backplate, including fitting the reducer and locking nut.

Labelling the Upgraded Product

Guidance on correctly applying the new approval label to the backplate after the upgrade.

Functional Testing

Procedure for performing functional tests after the upgrade, and actions to take in case of system faults.

Using the Modified Equipment