Cengar JSZ Manuale utente



ECDeclaraonofConformity



Cengar.Ltd.

SpringﬁeldWorks,SaddleworthRoad

Halifax,EnglandHX48LZ



Wetheundersigned,declareunderoursoleresponsibilitythatthe

followingapparatus:‐



Machinedescripon:CengarAirSaw

MachineType: JSZ



IsinconformitywiththefollowingrelevantEClegislaon:



MachineryDirecve 2006/42/EC

AtexDirecve 94/9/EC



BasedonthefollowingHarmonisedStandards:



EN13463‐1:2009



Andthereforecomplieswiththeessenalrequirementsofthose

direcves.



AddionalInformaon:



ATEXCoding II2GT5

CerﬁcateNo. TRAC09ATEX21236X

TechnicalFileNo.CEEX‐0803



AuthorisedSignature:

Date:   15/12/09

TitleofSignatory: GeneralManager‐CengarLtd.

SPECIFICATIONS

Speed

Stroke

AirConsumpon

AirPressure

Weight

Length

Height

Width

VibraonLevelaveraged

SoundPressureLevel

SoundPowerLevel

400/600strokesperminute

57mm

0.168m3/minute

5‐6Bar

5.5Kgs.

448mm.

141mm.

54mm.

1.38m/s2

80.5 db.

89.9 db.

CengarAirSawModelJSZ

Werecommendnormalsafeworkingpracces

shouldbefollowedaspertheHealthandSafetyat

WorkAct,ortheappropriateNaonalandState

Laws.Werecommendthateyeproteconbeworn

CENGARSAWS



arehandheldreciprocangsawsdesignedtocutmetalsandplascsin

produconenvironmentsandcanbeusedinAtexzonedareaswhere

appropriate.Theyshouldonlybeusedbytrainedoperatorswhoare

responsibleforthesafetyofthemselvesandothersinthevicinity.Saw

bladesarecapableofcausingseriousinjury

Thinksafe Actsafe Besafe



LUBRICATION



UseCengarGreenOilwithlongerlasngcoangproperesforbest

results.CengarGreenOilisspeciallypreparedto:‐



1 Emulsifythewatergenerallyfoundincompressedairlines.

2 Giveperfectmistlubricaon.

3 Remainﬂuidatthelowworkingtemperatureofcompressedairtools.

4 Containscorrosionandoxidaoninhibitors.



Incorrectoilsifusedwillsoon“breakdown”formingasludgewhichwill

slowandeventuallystoptheaconofthesaw.Seemaintenancedetails.



INSTALLATIONOFBLADES.



Beforeaempngtoinsertorchangeablade,ensurethattheairsupplyis

isolatedbydisconnecngtheairline.Loosentheretaininggrubscrews

withthekeyprovided,insertbladethroughnosepiecesothattheteeth

arecungonthepullstroke.



Locatethebackscrewintheholeintheendoftheblade,foraposive

drive,thefrontscrewcanthenbeghtenedtogripthebladeﬁrmly.



BLADES



Cengar“Shaerproof”Bi‐Metalbladesarespeciallypreparedforusewith

Cengarsaws,towithstandthehighoperangspeeds,andgivemaximum

cunglife.



Choosetheteethperinchtosuitthecharacteriscsofthematerialbeing

cut.

Choosepitchtoensurethatatleast3or4teetharecungatthesame

me.



Alwaysremovethesawfromtheairlinebeforecommencingany

OPERATINGTHESAW



Werecommendthateyeproteconbeworn,andnormalsafe

workingpraccesobservedaspertheHealthandSafetyatwork

act,andtheappropriateNaonalandStateLaws.

TheJSZshouldbeusedinconjunconwiththepipeclampwhere

possible.

Connecttheairsupply,restthebladeonthematerialtobecut

withthenosepieceﬁrmlyabuedtotheworkpiece,withforward

handpressure,topreventjudder.AllowtheCengarSawtocut

underitsownweight,withjustaslightdownwardhandpressure

tokeeptheteethengagedinthecut.Itisnotnecessarytoput

excessivedownwardpressureonthesaw,thisonlyaccelerates

bladewear,andpreventsthesawfromoperangeﬃciently.

Normalairlinepressureof5to6Barisrequired,anyhigher

pressureonlyacceleratesinternalwearofthemachine.



USEINHAZARDOUSAREAS



Westronglyadvisethatthecontactareaofthebladeonthework

piecebequenchedwithcoolantorwaterduringcungto

dissipateanyheatwhichmaybecreatedbythecungprocess.

An‐stacconducveairhosemustbeused,withadequate

earthbondconnuity(resistancebelow1ohm),togroundany

electrostaccharges.



MAINTENANCEANDGENERALHINTS



Alwaysensuresuﬃcientoilinthetool,especiallywhenthesawis

inconstantuse.



Thevalveunitpartno.8308isavitalcomponentmanufacturedto

closetolerances,andwillnottolerateabusivetreatment.

Lubricaonisessenal.Anyneglectwillseriouslyaﬀect

performanceofthesaw,causingthesawtostallintermiently,or

stopcompletely.



Verylilemaintenanceisrequiredifthecorrectoilisused,but

JSZExplodedView

ItemPartNo.DescriponNumber

PerTool

ItemPartNo.DescriponNumber

Pertool

18301Handle1198313Screwforabove1

250034ValveinHandle1208319Conn.RodGuide1

38303Trigger&Catch1218320SilencerGuard1

  1228324Nosepiece1

59334ASpring12354160Screws—nosepiece2

651834Pinsfortrigger32454034Screws2

78306OilPlug&Seal12553034Screws4

88307FFilter1268310Piston2

98308ValveUnitComplete1278310LSPistonSeal2

108307Gasket2288312LingtoPistons1

118309ZBody1298318ConnecngRod1

128314SpeedRegulator13055516BladeGripScrews2

135012‘O’Ring23151114PinstoPiston2

145006‘O’Ring13251114PintoConnRod1

158315ASpring1330291‘O’Ring1

168315ClampSecuringPin13454134Screws—Handle6

178314CRegulatorretainer1358316FrontendBracket1

1855161CentreSha 1369332CDétenteBall1

IF THE SAW DOES NOT OPERATE

1 Checkthattheairsupplyisswitchedon.

2 Checkairsupplyiscorrect.

3 Valveinhandle(partno.50034)couldbewornand/orthesealis

broken,blockinganairpassage.Checkandreplaceifnecessary.

4 Valveunit(PartNo.8308)maybestuck.ITISIMPERATIVETOREMOVE

THESAWFROMTHEAIRLINEBEFORECOMMENCINGTHISCHECK.

Removethetwohexagonalnuts,pushoutvalvepistonwithapencil,

keepingnotewhichendistop.Cleanwithoilonly,NEVERUSE

ABRASIVE.Cleanvalveborewithoil,re‐ﬁtpistonfromtop,keepingthe

sealatthetopend.Tightennutsandreconnectsawtoairsupply.

REPLACEMENTOFPISTONSEALS

1 Eachsealconsistsoftworings,replacementsmustbeﬁedasfollows:

‐

2 Place the elastic ring in the centre of the piston groove, ensuring it is

not twisted

3 Fit the Stiffer sealing ring on top of the elastic ring, Use some green oil

to ease its passage over the piston.

4 Fitthepistonsintotheboresusingaringcompressor,withacoangof

CengarGreenoil,andensuretheyslidesmoothlyoverthefulltravel

range.



PIPECUTTINGWITHTHEJSZ

1.Fitthepostintotheappropriatesideoftheclamp,thecutlinewillbe

50mm(2”)awayfromthenearestsidefaceofthefoot.

2.Posiontheclamponthepipe,withthechainaround,andghten

withspannerprovided.Ensurethattheclampisperpendiculartopipe

Fig.1

3. Fitthedesiredsawbladewiththeteethuppermost

4. Mountthemachineontothepostoftheclamp,bypullingbackthe

plungeronthetopofthesaw,andslidingontothepostunlthe

plungersnapsback.Ensurethemachinehaslockedonproperly.

5. Whenmountedcorrectly,thebladeshouldbeunderthepipe,such

thattheweightofthemachineappliesthecungforcetotheblade.

(Fig.2)

6. Startthemachine,lockingonthetrigger,andgentlybringtheblade

intocontactwiththework,graduallyreleasetheweightofthe

machineandallowthecuttotakeplacewithoutextraforce.

7. Ifusingalongbladeforlargerdiameterpipes,thebowguidesupplied

canbeusedtoensureastraightcutisachieved.Oncethebladehas

enteredintotheworkenoughtoselfsupport,thebowguideisno

Fig.2



ClampCP1

NEVER



1 NEVERﬁtbreakable“All‐Hard”bladesinCengarsaws,these

canshaercausinginjurytoyourselfandothers.

2 NEVERoperatesawwithoutwearingsafetyglasses

3 NEVERoperatesawwhilstyou,orothersarenearthesaw

blade,whichcancauseseriousinjuryortrapping

4 NEVERuseexcessiveforce,thismayincreasevibraon

abovesafelevels

5 NEVERholdtheCengarsawinavicebythebody,thiswill

distortthebores,renderingthetoolinoperave.

6 NEVERscrewnameplatestothebody,asthescrewsmay

penetrateanairwayorbore.

7 NEVERoperatetheCengarsawwithoutlubricaon.

8 NEVERbetemptedtocleaninternalpartswithanythingother

thanacleanlintfreecloth,andM.S.Cleaner,orCengarGreen

oil.

9 NEVERmodifyCengarsawsorusenonCengarparts,thiswill

invalidateATEXapproval,andwarranty.



ALWAYS



1 ALWAYSuseCengargreenoilforbestresults.Keepingthesaw

cleanandwelloiledwillgiveexcellentreliability,andalong

life.

2 ALWAYSuseCengarBi‐MetalShaerproofblades,forsafety,

andbestcungperformance

3 ALWAYSisolatetheairsupplywhenchangingblades.

4 ALWAYSweareyeproteconwhenusingsawingmachines.

5 ALWAYSkeepthenosepieceabuedtotheworktoprevent

excessivevibraon

6 ALWAYSisolatethemachinewhennotinuse

7 ALWAYSkeepothersawayfromthesawbladetoprevent

injuryortrapping

8 ALWAYShavemachinesvibraontestedannuallytoensure

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