ALTANA Abrasion Tester - Manual (Page 18)


-AINTENANCE¬AND¬#ARE¬¬¬¬¬¬¬¬¬
A ¬)NSTABILITY¬
B ¬%XCESSIVE¬WEAR¬
C ¬"INDING
)F¬ANY¬OF¬THESE¬CONDITIONS¬EXIST ¬THE¬PULLEYS¬SHOULD¬
BE¬REPLACED
#/-0/.%.4¬2%0,!#%-%.4
"ELT¬2EPLACEMENT
.O¬TOOLS¬ARE¬REQUIRED¬TO¬EFFECT¬A¬BELT¬CHANGE¬#LEAR¬
ANY¬RESIDUE¬THAT¬MAY¬BE¬PRESENT¬FROM¬THE¬BELT¬FAI
LURE¬0LACE¬THE¬NEW¬BELT¬OVER¬THE¬CHAIN¬DRIVE¬PULLEY¬
HOLDING¬THE¬BELT¬IN¬POSITION¬AROUND¬THE¬PULLEY¬7ITH¬
THE¬BELT¬FULLY¬EXTENDED ¬START¬THE¬BELT¬ENGAGEMENT¬
BY¬SLIPPING¬THE¬BELT¬OVER¬THE¬LEADING¬EDGE¬OF¬THE¬
MOTOR¬DRIVE¬PULLEY¬2OTATE¬THE¬DRIVE¬MOTOR¬PULLEY¬
COUNTERCLOCKWISE ¬AS¬VIEWED¬FROM¬THE¬REAR¬OF¬THE¬
MOTOR ¬WHILE¬PULLING¬THE¬BELT¬TOWARDS¬THE¬MOTOR¬
UNTIL¬IT¬IS¬CENTERED¬ON¬THE¬MOTOR¬DRIVE¬PULLEY
4HE¬TENSION¬OF¬THE¬BELT¬SHOULD¬BE¬ADJUSTED ¬IF¬
NECESSARY ¬SO¬THAT¬WITH¬NORMAL¬lNGER¬PRESSURE¬AP
PROXIMATELY¬ONE¬POUND ¬THE¬MOVEMENT¬OBSERVED¬IS¬
¢¬INCH¬ONE¬INCH¬TOTAL ¬)F¬NOT ¬ADJUST¬THE¬MOTOR¬
POSITION¬SO¬THAT¬THE¬CORRECT¬TENSION¬IS¬OBTAINED¬
4HIS¬IS¬ACCOMPLISHED¬BY¬LOOSENING¬THE¬FOUR¬MOTOR¬
MOUNTING¬SCREWS¬4HE¬MOTOR¬IS¬RETAINED¬BY¬THESE¬
FOUR¬BOLTS¬WHICH¬PASS¬THROUGH¬SLOTS¬IN¬THE¬BASEPLA
TE¬PERMITTING¬ADJUSTMENT¬ALONG¬THE¬BELT¬AXIS¬!FTER¬
THE¬ADJUSTMENT¬IS¬COMPLETE¬AND¬THE¬PROPER¬TENSION¬
IS¬ACHIEVED ¬TIGHTEN¬THE¬BOLTS¬SECURELY
#LOSE¬AND¬SECURE¬THE¬COVER ¬CONNECT¬THE¬INSTRU
MENT¬TO¬THE¬MAINS¬VOLTAGE¬AND¬START¬THE¬UNIT¬!FTER¬
¬CYCLES¬STOP¬THE¬INSTRUMENT ¬REMOVE¬IT¬FROM¬THE¬
MAINS¬VOLTAGE ¬OPEN¬THE¬COVER¬AND¬INSPECT¬THE¬BELT¬
FOR¬PROPER¬TENSION¬AND¬POSITION¬#LOSE¬AND¬SECURE¬
THE¬COVER