ALTANA Heavy-Duty Impact Tester - Manual (Page 9)


!SSEMBLY
!SSEMBLY
¬ )NSERT¬GUIDE¬TUBE¬INTO¬BASE¬OF¬INSTRUMENT¬AND¬¬
¬ TIGHTEN¬SET¬SCREW¬SUFlCIENTLY¬TO¬HOLD¬THE¬TUBE¬IN¬¬
¬ PLACE¬
¬ )NSERT¬PUNCH¬INTO¬PUNCH¬HOLDER¬
¬ !DJUST¬PUNCH¬HOLDER¬HEIGHT¬SO¬TIP¬OF¬PUNCH¬¬
¬ PROTRUDES¬ABOUT¬v¬INTO¬DIE¬HOLE¬-AKE¬SURE¬¬
¬ PUNCH¬IS¬CENTERED¬IN¬DIE¬
¬ )NSERT¬EITHER¬WEIGHT¬INTO¬THE¬TUBE¬AND¬INSERT¬¬
¬ KNURLED¬LIFTING¬SCREW¬THROUGH¬TUBE¬SLOT¬INTO¬THE¬¬
¬ HOLE¬IN¬THE¬WEIGHT¬4HE¬WEIGHT¬MUST¬BE¬INSERTED¬¬
¬ WITH¬ITS¬ROUNDED¬END¬FACING¬DOWNWARDS¬!LLOW¬¬
¬ THE¬WEIGHT¬TO¬COME¬TO¬REST¬ON¬THE¬PUNCH¬
¬ 0LACE¬A¬SPECIMEN¬ON¬THE¬ANVIL¬2EST¬THE¬PUNCH¬¬
¬ ON¬THE¬SPECIMEN¬AND¬THE¬WEIGHT¬ON¬THE¬PUNCH¬¬
¬ ,OOSEN¬THE¬GUIDE¬TUBE¬AND¬ADJUST¬IT¬UP¬OR¬DOWN¬¬
¬ TO¬MAKE¬THE¬LIFTING¬SCREW¬PROTRUDE¬THROUGH¬¬
¬ THE¬TUBE¬SLOT¬AT¬THE¬ZERO¬MARK¬4HIS¬ADJUSTMENT¬¬
¬ CALIBRATES¬THE¬INSTRUMENT¬AND¬MINIMIZES¬THE¬¬
¬ CHANCES¬THAT¬THE¬LIFTING¬SCREW¬WILL¬STRIKE¬THE¬¬
¬ BOTTOM¬END¬OF¬THE¬TUBE¬SLOT¬4HE¬LIFTING¬SCREW¬¬
¬ MAY¬STILL¬STRIKE¬THE¬BOTTOM¬OF¬THE¬SLOT¬IF¬SUFlCIENT¬¬
¬ IMPACT¬IS¬USED¬TO¬CAUSE¬THE¬PUNCH¬TO¬¬
¬ COMPLETELY¬PENETRATE¬THE¬SPECIMEN¬
¬ 3INCE¬THIS¬CONDITION¬CAN¬ALSO¬LEAD¬TO¬PREMATURE¬¬
¬ FAILURE¬OF¬OTHER¬MAJOR¬COMPONENTS ¬CARE¬SHOULD¬¬
¬ BE¬TAKEN¬TO¬DESIGN¬A¬TEST¬SO¬COMPLETE¬¬
¬ PENETRATION¬IS¬THE¬EXCEPTION¬RATHER¬THAN¬THE¬RULE¬
¬¬'ENTLY¬TIGHTEN¬THE¬SET¬SCREW¬TO¬SECURE¬THE¬TUBE¬¬
¬ INTO¬THIS¬POSITION
#AUTION¬
6%29¬,)44,%¬&/2#%¬)3¬2%15)2%$¬4/¬02%6%.4¬¬
4(%¬45"%¬&2/-¬3,)00).'¬$/7.¬/6%24)'(
4%.).'¬-!9¬#!53%¬4(%¬"!3%¬4/¬#2!#+¬