Vermes MDS 3200A - System Adjustment Procedure

VTK‐VS‐BA‐004e‐B|UserManualMDS3200A | Initial Operation
31
5.4 TheAdjust
Thefollowingsegmentsexplaintheadjust.Thedescriptionassumesyouarecontrollingthe
adjustmentproceduredirectlyviaMDC.ItisalsopossibletodoitremotelyviatheRS‐232C
interface.Therelevantinformationforthismethodcanbefoundinchapter7.1.2.
5.4.1 Purpose
Thesystemisunabletoperformaregularrepeatableprocess,ifthenozzleinsertisnot
properlypositionedinrelationtothetappetpriortodispensing.Thereforeyouhavetoper‐
formageneraladjustmentprocedure(simplycalled“adjust”)duringinitialoperationandaf‐
tereachexchangeofthenozzleunit.
Thisisespeciallyimportanttoavoidanyleakageduring
dispensing.
5.4.2 Procedure
CAUTION!(cleaningbeforeadjust)
Thesystemhastobecleanedthoroughlybeforetheadjust.Thepresenceofdirtpar‐
ticlesjammedbetweenthetappetsurfaceandthenozzleinsertwouldcompromise
theresults.

Step1: Firstunscrewthenozzleunitfromthefluidbox.
Step2: Initiatetheprocedurebypressing
the[adj]key.
Step3: UsetoolMDT302(oralternativelyMDT301,ifnecessaryforspatialreasons)to
rotatethenozzleunittowardsthefluidbox,untiltheredcontrolLEDislit.Thein‐
dicatedvaluedisplayedshouldamountto1100orslightlyabove.

IMPORTANTNOTE!(limit)
Maximum
admissibledisplayvalueis1250,otherwisethetappetcanbreakafterwards.

IMPORTANTNOTE!(carefulinstallation)
Screwthenozzleunitontothefluidboxcarefully.Avoidtiltingthenutbytiltingthe
nozzleunit.Thisprocedurerequiressufficientconcentration.Ifthetappetguidance
includingthenozzleinserthasnotbeeninstalled
correctly,theadjustmayfail(see
page27).

Step4: Rotatethenozzleunitcounterclockwise,untilthegreenLEDislit.
Thedisplayedvalueshouldbeintherangebetween1030and1040.

IMPORTANTNOTE!(unstablevalues)
Thewholeprocedurehastoberepeated,ifthevaluefluctuatesordecreases
withina
shortperiodoftime(ca.5sec),startingfromstep1.

Step5: Attheend,confirmtheadjustbypressing[enter].

INFORMATION!(abortprocedure)
 Theprocedurecanbeabortedanytimebypressing[esc].
 Aftertheadjustthegreenlampdimswithin5
sec.

