Blitz VERSA DZH 400/350 Owner's manual

Brand: Blitz

Model: VERSA DZH 400/350

Category: Air compressors

Type: Owner's manual

Type

Serial number Date

Operating Instruction

VERSA piston compressors

VERSA booster compressors up to 35 bar

Rev E 102619 05/2019

EC Declaration of Conformity

according to EC directive 2006/42/EC on machinery

(Annex II A)

Name and address of the manufacturer

BlitzRotary GmbH

Hüfinger Str.55

78199 Bräunlingen, Germany

This declaration relates exclusively to the machinery in the state in which it was placed on the market, and excludes

components which are added and/or operations carried out subsequently by the final user. The declaration is no more valid,

if the product is modified without agreement.

Herewith we declare, that the machinery described below

product denomination Piston Compressor

model / type

VARIS VDZ; VDZH; VDZS; VDZHS; VDZD; VDZHD; VGZ; VGZH; VZ; VZH

VERSA DZ; DZH; DZS; DZHS; GZ; GZH; DZHP; GZHP; HV; NV;

DZNT; DZNDT; GZNT; GKTE; GKTZ; GKTZH

TWIN Airmobil; Airstation; Hobby; Maximat; Maximat Pro; Kitty II; Whisper; Medicus; VX

DKD; DET; DEDT; GET; BKE; BKZ; BKES; BKZS; GKE; GKZ

FORMULA 28M; 36M; 57M; 38H; 52H; 65H; 38V; 52V; 65V

TOURING GT30H; GT42H; GT50H; GT32V; GT42V; GT50V;

machinery- / serial number .............................................

Year of manufacture .............................................

is complying with all essential requirements of the Machinery Directive 2006/42/EC.

In addition the partly completed machinery is in conformity with the EC Directives 2014/30/EU relating to electromagnetic

compatibility and 2014/35/EU relating to electrical equipment (Protection objectives have been met in accordance with Annex

I No. 1.5.1 of the Machinery Directive 2006/42/EC)

In addition the partly completed machinery is in conformity with the EC Directives 2014/29/EU relating to simple pressure

vessels directive.

Harmonised Standards used

Compressors and vacuum pumps - Safety requirements

Safety of machinery - Electrical equipment of machines

EN 1012-1:2011-02

EN 60204-1:2014-10

EN ISO 12100:2011-03 Safety of machinery - Basic concepts

Other technical standards and specifications used:

The person authorised to compile the relevant technical documentation:

BlitzRotary GmbH; Hüfinger Str. 55, 78199 Bräunlingen

Place : Bräunlingen

Date : 01.05.2019

______________________

Doris Wochner-McVey

Managing Director

Hier Typenschild einkleben

Typ

Baujahr

Seriennummer

102619 05/19

Operating Instruction

Component overview

Fig.1: Component overview

1 Testange

2 Pressuregauge

3 Pressureswitch(operatingswitch)

4 Safetyvalve-ultimatepressure

5 Motor

6 Beltguard

7 Suctionlter

8 Compressoraggregate

9 Safetyvalve-intermediatepressure

10 Compressedairoutlet

11 Compressed-airreservoir

12 Condensationwaterdrain

102619 05/19

Operating Instruction

Index

1 Fundamental safety instruc-

tions

1.1 Designateduse

Thecompressorsystemisintendedexclusively

forthegenerationofcompressedair.Anyother

useshallbeconsideredanundesignateduse.

1.2 Fundamentalmeasures

• Neverpointcompressedairatpersons.

• Observetheseoperatinginstructions.

• Keeptheseoperatinginstructionsavailable

atthelocationofuseatalltimes.

• Observetheregularmaintenancedead-

lines(cf.chapter6“Maintenanceplan”).

• UseoriginalBLITZpartsandapproved

operatingmaterialonly.

• Donotusecompressedairforbreathing

withoutcorrespondingtreatment.

• Donotmodifythesystem.

• Usemountingpartsanddevices

downstreamfromthecompressorwhich

havebeendesignedforthemaximumope-

ratingoverpressureofthecompressor.

• Inyourcapacityasproprietor,pleaseensu-

rethatallsafetyregulationsareobserved

bytheoperatingstaff.

• Donotusethecompressorasaclimbing

aid.

1.3 Descriptionofsymbolsandno-

tes

Danger

Mortaldangerandriskofinjury.

Caution

Damagetoproperty..

Informationandtips.

Index

1 Fundamental safety instructions ..... 3

1.1 Designateduse ................................... 3

1.2 Fundamentalmeasures ...................... 3

1.3 Descriptionofsymbolsandnotes ....... 3

2 Transport and storage ...................... 4

2.1 Transport

............................................. 4

2.2 Storage ................................................ 4

3 Mounting ............................................ 4

3.1 Mountingconditions ............................ 4

3.2 Compressed-airport ........................... 5

3.3 Electricalconnection ........................... 5

4 Operation ........................................... 7

4.1 Safetyinstructions ............................... 7

4.2 Switching the unit on ........................... 7

4.3 Dailycheck-ups ................................... 7

4.4 Switchingtheunitoff ........................... 7

4.5 OriginalBLITZaccessories ................. 7

5 Inspection and servicing .................. 8

5.1 Safetyinstructions ............................... 8

5.2 Checkingandtoppinguptheoillevel . 8

5.3 Changingtheoil .................................. 9

5.4 Drainingthecondensationwater ......... 9

5.5 Checkingandchangingthe

suctionltercartridge .......................... 9

5.6 Tighten the screw connections. ........... 9

6 Maintenance schedule .................... 10

7 Trouble shooting ..............................11

Technical annex

102619 05/19

Operating Instruction

Transportandstorage

2 Transport and storage

2.1 Transport

Danger

Mortaldangercausedbyincorrect

transport.

• Neverliftthecompressorbythefan

cover.

• Onlyusesuitableliftinggearwith

thecorrespondingweight-bearing

capacity(fordataonweight,please

refertochapter“Technicalannex”).

• Fastenandsecurethesystemwith

beltsatthecorrespondingpoints.

• Secureswivellingandlooseparts.

• Transportthecompressorbymeans

ofcranehooks,fork-lifttruckand

elevatingtruckonly.

• Neverremainundersuspended

loads.

• Depressurisethecompressorprior

toanytransport.

2.2 Storage

Storethecompressorinadrylocationprotec-

tedagainstweatherinuence.Ambienttempe-

rature:-10°Cto+50°C.

PleaseordertheBLITZconservationinstruc-

tionsincaseofstorageofoversixmonths.

3 Mounting

3.1 Mountingconditions



Checkthecompressorfordamageduring

transport.

Ambientconditions

Danger

Mortaldangerandexplosionhazard

whencaustic,inammableorpoisonous

gasesaredrawnin.

• Donotoperatethecompressorin

explosivesurroundingsorinthe

vicinityofopenamesandying

sparks.

Caution

Wrongmountingwillcausedamageto

the compressor.

• Ensuresufcientventilationofthe

compressor room.

• Donotoperatethecompressorin

the open.

Thespacebetweenthecompressorandthe

wallhastobeatleast40cm(cf.Fig.2:Locati-

on).Thecompressorhastobeeasilyaccessib-

lefromallsides.Theambienttemperaturehas

tobebetween5°Cand40°C.

Fig.2:Location

> 40 cm

+5°C - +40 °C

102619 05/19

Operating Instruction

Mounting

Ground



Placethecompressoronahorizontaland

planesurface.

Thegroundhastohaveasuitableload-bea-

ringcapacity.BLITZoffersspecialsolutionsfor

inclinedsurfaces.

BLITZrecommendstheuseofrubber-metal

connectionstopreventvibrations.

3.2 Compressed-airport

Theconnectiontothecompressed-airduct-

worksystemmaybecarriedoutonlybytrained

expertsorbystaffmembersofBLITZCompa-

ny.

Danger

Dangerofinjurybypressureinthepi-

pes.

• Ventthepipestowhichthecom-

pressorisconnected.

Useaexiblehosetoconnectthecom-

pressortothesupplynetwork.Thus,

stresscracksandsoundbridgesare

prevented.

Observethetechnicaldatafortheconnection

ofcompressedair(cf.chapter“Technicalan-

nex”).

3.3 Electricalconnection

Theconnectiontotheelectricalpowersystem

maybecarriedoutonlybyadequatelytrained

expert.

Danger

Mortaldangercausedbyelectricvolta-

ge.

Compressorsystemshavetobettedwitha

powerswitchoraplugconnectiontointerrupt

thepowersupply.Compressorsystemswitha

motorcapacityofmorethan3kWor16Amps

havetobettedwithalockablepowerswitch

andupstreamfuses.

Inthisrespect,pleaserefertothecircuit

diagraminthechaptertitled“Technical

annex”orintheswitchcabinetaswell

astothefollowingconnectionconditi-

ons.

Checkingtherotatingdirection

Caution

Firehazardanddamagetocompres-

sorincaseofwrongpolarisationofthe

motor.

• Carryoutthecheckoftherotating

directionasdescribedbelow:



Pleaserefertochapter4.2titled“Switching

theuniton”.



Brieyswitchtheoperatingswitchonand

off.Thecorrectrotatingdirectionofthefan

hasbeenmarkedbyanarrowonthefan

cover.



Changethepolesoftheelectricconnection

ofthemotorincaseofawrongrotating

direction.

102619 05/19

Operating Instruction

Mounting

Electricalconnectionconditions

Theconnectiontotheelectricalpowersystem

maybecarriedoutonlybyadequatelytrained

expert.

Caution

Neitherovervoltagenorundervoltageshouldbeexceededby10%.

Thisunitisintendedforoperationonapowersupplynetworkwithamaximumsystem

impedanceZmaxattheinterconnectionpoint(houseserviceline),whichislistedinthe

tablebelowindependenceoftheperformance.Theusershallhavetoensurethattheunit

isoperatedonlyonapowersupplynetworkwhichmeetstheserequirements.Ifandwhen

necessary,thelocalpowersupplycompanycanprovideinformationonthesystemimpe-

dance.

400V-50Hz3Ph. 230V-50Hz1Ph.

Motor out-

put

Nominal

motor cur-

rent

Protection

–star-delta

start

Protection

–direct

start

Power

supply

lead

Fuse Power

supply

lead

Maximum

system

Impedance

Zmax

kW A A A mm² A mm² Ω

1,1 2,6 6 4G2,5 16 3G2,5

1,5 3,5/4,1 10 4G2,5 16 3G2,5 -/0,254

2,2 5,0/6,0 16 4G2,5 16 3G2,5 0,127/

0,143

3,0 6,6/8,1 16 4G2,5 0,118/

0,106

4,0 8,5 16 20 4G2,5/

5G2,5

0,072

5,5 11,5 20 5G2,5 0,102

7,5 15,5 25 5G4

11,0 22,5 35 5G6

15,0 30,0 50 5G10

18,5 36,0 50 5G10

22,0 43,0 63 5G16

30,0 58,0 80 5G25

Tab.1:Characteristicvaluefortheelectricalconnection

Theconductorcrosssectionsmentionedareguidelinevaluesforamaximumleadlengthof50m

atatemperatureof30°C.Useatime-lagfusesor“glfuses”.

• 220/240Vsystemsrequireathree-core1P/N/PEcable.

• 380/400Vsystemsrequireafour-core3P/PEcablefordirectstart.

• 380/400Vsystemsrequireave-core3P/N/PEcableforstar-deltastart.

102619 05/19

Operating Instruction

Operation

4 Operation

4.1 Safetyinstructions

• Neverpointcompressedairatpersons.

• Donotusecompressedairforbreathing

withoutcorrespondingtreatment.

• Usemountingpartsanddevices

downstreamfromthecompressorwhich

havebeendesignedforthemaximumope-

ratingpressureofthecompressor.

• Donotreachintotherotatingwheelswhen

thecompressorisoperational.

• Touchthecompressorsystemattheon

andoffswitchonlyduringandshortlyafter

operation.Hotsurfacecancausesevere

injuries.

• Switchthecompressoroffimmediatelyin

caseoffaults.

• Keepcombustiblematerialsawayfromthe

compressorsystem.

• Operatethecompressoronlywithsuction

lterandclosedfancowland/orbeltguard.

• Operatethecompressoronlyattheper-

missibleoperatingpressureofthepressure

reservoir.

• Tightenthescrewconnectionsofthepres-

sure pipes.

• Weartight-ttingworkclothswhenhandling

the compressor.

• Weargogglesandearmuffswhenworking

withcompressedair.

• Wearahairnettoprotectlonghairand

removeanylosejewellery.

• Checkthecablesfordamageinregular

intervals.

• Keepdomesticanimalsandchildrenaway

fromthecompressorsystem.

• Switchthecompressoroffwhennotnee-

ded.

• Whenoperatingthecompressorwithan

engine,pleaseobservetheadditionalsafe-

tyinstructionsintheoperatinginstructions

enclosed.

4.2 Switching the unit on



Checktheoillevelthroughtheoillevel

inspectionglassandtopuptheoil,ifand

whennecessary(cf.chapter5.2“Checking

andtoppinguptheoillevel”).



Setthepowerswitchtoonorpluginthe

powerplug.



Settheoperatingswitchtoposition1(cf.

Fig.1:Componentoverview).

Thecompressorwillstartupautomatically

whenthepressureinthenetworkislowerthan

thecut-inpressureset.Theunitwillstopauto-

maticallywhentheoperatingpressureismade

inthenetwork.

Incaseoffaults,pleaserefertochapter7titled

“Troubleshooting”formorehelp.

4.3 Dailycheck-ups

• Drainthecondensationwateratthecom-

pressed-airreservoir(cf.chapter5.4“Drai-

ningthecondensationwater”).

• Checktheoillevelofthecompressor(cf.

chapter5.2“Checkingandtoppingupthe

oillevel”).

4.4 Switchingtheunitoff



Settheoperatingswitchtoposition0(cf.

Fig.1:Componentoverview).



Setthepowerswitchtoofforremovethe

powerplug.

4.5 OriginalBLITZaccessories

BLITZoffersyouthefollowingaccessories:For

moreinformation,pleaserefertotheBLITZ

pricelistordirectlytoBlitzRotary.

Compressed-airlter

Tocleanthecompressedairforspecialappli-

cations.

Coldorabsorptiondrier

Topreventfaultsofthecompressedairduct-

worksystem,compressed-airtools,instru-

mentsandcontrolscausedbyhumidair.

Automaticcondensationwaterdrain

Tospareyouthedailydrainingofcondensation

water.

102619 05/19

Operating Instruction

Inspectionandservicing

Oilandwaterseparator

Istteddownstreamofthecondensationwater

drain.Theseparatedwatercanberemoved

directlyintothesewersystem.

Rubber-metalconnection

Toreducevibrations.

Sound-absorbinghood

Toreducenoiseemissions.

Formoreinformationontheseand

otherpneumaticaccessories,pleasere-

fertoBLITZ.Ouraddressisonthelast

pageoftheseoperatinginstructions.

5 Inspection and servicing

5.1 Safetyinstructions

Theinspectionandservicingmaybecarried

outbyexpertsortrainedpersonsonly.

• Switchthecompressoroffforallservicing

work,andprotecttheunitagainstunintenti-

onaloperation.

• Priortoanyservicingworksetthepower

switchtoofforremovethemainsplug.

• UseoriginalBLITZpartsandapproved

operatingmaterialonly.

• Afterhavingcompletedtheservicingwork

tightenallscrewsagain.

• Depressurisethecompressorpriortoany

servicingwork.

• Touchthecompressorsystemattheon

andoffswitchonlyduringandshortlyafter

operation.Permitthecompressortocool

downpriortoanyservicingwork.Hotsur-

facescancausesevereinjuries.

5.2 Checkingandtoppinguptheoil

level

Fig.3:Compressoraggregate

1 Oilinspectionglass

2 Oildrainplug

3 Oilllerneck

Checkingtheoillevel



Usetheoilinspectionglass1tocheckthe

oillevel.



Theoillevelhastobewithintheredcircle

intheoilinspectionglass.



Checkwhethertheoilhasamilkydiscolo-

rationorcontainswaterdrops(formeasu-

res,pleaserefertochapter7titled“Trouble

shooting/Milkycolouroftheoil,water

dropsintheoil”).

102619 05/19

Operating Instruction

Inspectionandservicing

Toppingupoil

Donotmixdifferenttypesofoil.Ex-

clusivelyusetypesofoilspeciedby

BLITZ.



Switchthecompressoroffanddepressu-

rise.



Unscrewtheoilllerneck3(cf.Fig.3:

Compressoraggregate).



Slowlylltheoiluntiltheoillevelinoilin-

spectionglass1iswithintheredcircle.



Screwontheoilllerneck.

Typesofoil

Innormalmountingconditions(see3.1„Mount-

ingConditions“)upto16bar,llwithGroup

VDLmineralcompressoroilofviscosityclass

VG100.

Innormalmountingconditions(see3.1„Mount-

ingConditions“)over16bar,llwithGroup

VDLsyntheticcompressoroilofviscosityclass

VG150.

BLITZwillprovideinformationonoilforspecial

applications.

5.3 Changingtheoil

Danger

Scaldinghazardbydraininghotoil.

• Slowlyopentheoilllerneck.

• Avoidskincontactwithhotoil

Usedoilhastobedisposedofaccord-

ingtothelocalenvironmentalregula-

tions.



Switchthecompressoroffanddepressu-

rise.



Unscrewtheoilllerneck3(cf.Fig.3:

Compressoraggregate).



Undooildrainplug2inoperationallywarm

condition.



Draintheoilintoasuitablecontainer.



Closetheoildrainplug.



Slowlyllnewoil(cf.chapter5.2“Typesof

oil”)untiltheoillevelinoilinspectionglass

1iswithintheredcircle.



Screwontheoilllerneck.

5.4 Drainingthecondensationwater

Requiredonlyincaseofcompressorswith

compressed-airreservoir.

Thecondensationwatercontainsoil

andhastobedisposedofaccordingto

thelocalenvironmentalregulations

Draincondensationwatereveryday,ifnoau-

tomaticcondensationwaterdrainagesystem

hasbeentted(cf.chapter4.5“OriginalBLITZ

accessories”).



Switchthecompressoroffanddepressuri-

se.



Placeasuitablecollectingpanbelowthe

condensationwaterdrainonthelowerside

ofthecompressed-airreservoir(cf.Fig.1:

Componentoverview).



Opencondensationwaterdrain.



Closethecondensationwaterdrainwhen

noliquidescapesanymore.

5.5 Checkingandchangingthesuc-

tionltercartridge



Removethecoverofthesuctionlter(cf.

Fig.1:Componentoverview).



Incaseofseveresoiling,immediately

replacethesuctionlter(cf.listofBLITZ

sparepartsinthechaptertitled“Technical

annex”).



Retthecoverofthesuctionlter.

5.6 Tighten the screw connections.



Tightenallscrewconnectionsinregular

intervals.



Tightenthescrewsofthecylinderhead

aftertherstonehundredoperatinghours.



Indoingso,observethetorque(cf.Tab.:3:

Torques).

Screw Maximumtorque

M 8 25Nm

M 10 50Nm

M 12 85Nm

Tab.2:Torques

102619 05/19

Operating Instruction

Maintenanceschedule

Theintervalsmentionedareexperimen-

talvalues.Theycandifferconsiderably

dependingontheapplicationconditi-

ons.

6 Maintenance schedule

Application

Interval

daily

annualy

100 h

1000 h

2000 h

3000 h

4000 h

5000 h

6000 h

7000 h

8000 h

9000 h

10000 h

11000 h

12000 h

Checktheoillevel(cf.chapter

5.2).

Changetheoil

Drainthecondensationwater

(cf.chapter5.4).

Checkthesuctionltercart-

ridgeandchange,ifandwhen

necessary

Tighten the screw connections

(cf.chapter5.6).

Checkthecompressorvalves

andreplacethem,ifandwhen

necessary.

Checkthecheckvalve.

ChecktheV-belt.

Measurescarriedouton

(date):

Measurescarriedoutby

(name):

Key::

 Measuretobecarriedout:

 Measurestobecarriedout,iftheoperatinghoursarenotmadewithin

 thetimeinterval.

¹ Checkdailyindustyconditionsandreplace,ifandwhennecessary.

102619 05/19

Operating Instruction

Troubleshooting

7 Trouble shooting

Danger

TroubleshootingmaybecarriedoutonlybytrainedexpertsorbystaffmembersofBLITZ

Company.Inallactions,pleaseobservethefundamentalsafetyinstructions(cf.chapter

1),thesafetyinstructionsforoperation(cf.chapter4),andthesafetyinstructionsformain-

tenance(cf.chapter5).

Thecompressordoesnotstartup.

Potentialreasons Actions

Noconnectiontonetwork. • Checktheconnectiontothemains.

Fusehasblown. • Checktheelectriccable,switchingunits

andthemotor.

• Usetime-lagfusesonly.

• Replacethefuse.

Networkpressureisovercut-inpressure. • Reducethepressureinthenetwork.

Thepressureswitchisdefective. • Replacethepressureswitch.

Themotorhasbrokendown. • Checktheelectricsystemandthecables.

• Replacethemotor.

Theprotectivemotorswitchhasbeentriggered. • SeeTable“Theprotectivemotorswitchhas

beentriggered”.

Theprotectivemotorswitchhasbeen

triggered.

Potentialreasons Actions

Wrongsettingoftheprotectivemotorswitch. • Checkthesettingoftheprotectivemotor

switch.

Faultattheelectricconnection. • Checktheelectricconnectionforundervol-

tageandphasefailure.

• Checktheconductorcrosssection.

Ambienttemperatureistoohigh. • Improvetheroomventilation.

• Selectacoolerlocation.

Damageonthecompressor • Checkvalves,crankmechanismandfanfor

potentialdamage.

Thecompressorisnotrelieved. • Checkthereliefmechanism.

• Checkthecheckvalve,andreplace,ifand

whennecessary.

Motorgetstoohotduetohighswitchingfre-

quency.

• Checkthepressureswitchingpoints.

Thepressureswitchhasbeensetwrongly. • Checkthepressureswitchingpoints.

Theclampingconnectionshavecomelose. • Retightentheclampingconnections.

102619 05/19

Operating Instruction

Troubleshooting

Theswitchingfrequencyofthemotor

is too high.

Potentialreasons Actions

Thecompressed-airreservoiristoosmall. • Usealargercompressed-airreservoir.

Thepressureswitchhasbeensetwrongly. • Checkthepressureswitchingpoints.

Toomuchcondensationwaterinthecom-

pressed-airreservoir/compressed-airductwork

system.

• Drainthecondensationwater(cf.chapter

5.4).

• Asapreventivemeasure,tanautomatic

condensationwaterdrainsystem(BLITZ

accessories).

Lowdelivery–thesetpointpressureis

notmade.

Potentialreasons Actions

Valvesaredefective. • Checkthevalves,andreplace,ifandwhen

necessary.

Thesuctionlterissoiled. • Cleantheltercartridgeandreplace,ifand

whennecessary.

Pipesandttingsareleaking. • Tightenthescrewsandttings.

• Replacetheseals.

Thecylinderheadsealisleaking. • Tightenthecylinderheadscrews.

• Replacethecylinderheadseal.

Thepiston,pistonrings,andthecylinderare

worn.

• Checkthecomponents.

• Replacethewornparts.

Thepressureswitchhasbeensetwrongly. • Checkthepressureswitchingpoints.

Theairdemandishigherthanthedeliveryvolu-

meofthecompressor.

• Checktheairdemand.

• Expandthecompressedairsupply.

The compressor turns too hot.

Potentialreasons Actions

Ambienttemperatureistoohigh. • Improvetheroomventilation.

• Selectacoolerlocation.

Thecoolingairvolumeisnotavailableortoo

low.

• Thespacebetweenfanandwallistosmall

(cf.chapter3.1“Mountingconditions”).

• Checkthefancowlopeningforsoiling,and

clean,ifandwhennecessary.

Wrongrotatingdirectionofthefan. • Checktherotatingdirectionofthefan(cf.

chapter3.3“Checkingtherotatingdirec-

tion”).

Thecompressorvalvesaredefective. • Checkthecompressorvalves,andreplace

them,ifandwhennecessary.

Theultimatepressureistoohigh. • Checkthepressureswitchingpoints.

102619 05/19

Operating Instruction

Troubleshooting

Milkycolourofoil,waterdropsin

theoil.

Potentialreasons Actions

Waterincrankcase(operatingtemperatureis

notmadeduetoshortcut-intimes).

• Changetheoilimmediately.

• Retrotacrankcaseheating,ifpossible.

• Selectwarmerlocation.

• Checkcompressorsetting.

Waterincrankcase(causedbyhumidcondi-

tions).

• Changetheoilimmediately.

• Selectdrylocation.

Theoilconsumptionistoohigh.

Potentialreasons Actions

Thewrongoilhasbeenused. • Checkthetypeofoil(cf.chapter5.2“Types

ofoil”),andreplace,ifandwhennecessary.

Thepistonringsandthecylinderfaceareworn. • Replacethepistonringsandthecylinder,if

andwhennecessary.

• Checkthesuctionltercartridge,andre-

placeit,ifandwhennecessary.

The compressor is too hot. • SeeTable“Compressorturnstoohot”.

Oilescapesthroughcrankcasebreather. • Check/replacecrankcasebreather.

Airescapesthroughreliefpipewhen

thecompressorisatastandstill.

Potentialreasons Actions

Thecheckvalveisleaking. • Checkthecheckvalve,andreplace,ifand

whennecessary.

Airescapesthroughthereliefvalve

duringoperation.

Potentialreasons Actions

Thereliefvalveisdefective. • Replacethereliefvalve.

102619 05/19

Operating Instruction

Troubleshooting

Abnormalnoises

Potentialreasons Actions

“Whistlingsound”causedbyescapingcom-

pressedairatthecylinderhead,inthesupply

network,atthettings,etcetera.

• Remedyleakingpoints.

• Replacetheseals.

• Tightenthescrewconnections.

Thesafetyvalveis“crackling”. • Checkthesettingofthepressureswitch.

• Checkthecompressorvalves,andreplace

them,ifandwhennecessary.

Knockingsounds.

Foreignbodiesinthecylinder.

Fanisknocking.Compressorvalve.

Theconnectingrodbearingisknockedout.

• Removetheforeignbodies;checkthepis-

tonandcylinderfordamage,andreplace,if

andwhennecessary.

• Checkwhetherthefandoesnotscrape.

• Checkthecompressorvalve,andreplaceit,

ifandwhennecessary.

• Sendthecompressortothemanufacturer’s

worksforrepair.

Grindingnoises • Damagedbearings;havethecompressor

repaired.

BlitzRotary GmbH

Hüfinger Straße 55

78199 Br

äunlingen

DEUTSCHLAND

Telefon +49.771.9233.0

Telefax +49.771.9233.99

[email protected]

www.blitzrotary.com

10261905/19 Technicalchangesreserved.BetriebsanleitungVERSAKolben_en_2013_03

Blitz VERSA DZH 400/350 Owner's manual

Brand: Blitz

Model: VERSA DZH 400/350

Category: Air compressors

Type: Owner's manual

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Blitz VERSA DZH 400/350 Owner's manual

Blitz VERSA DZH 400/350 Owner's manual

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