User Manual


InstallationInstructionsforControlflexSingleDisc
ClampCouplings
1.ToolsRequired:
 Torquewrenchwithhexsocketforclamphub
socketheadcapscrews.
 Laseralignmenttoolordialindicator
(recommended).Ifnotavailableastraightedge
andfeelergauges.
 Caliper
2.Theseinstructionsareforstandardseriescouplings
withnormalrunningconditions.Specialcouplingsmay
havedifferentinstructionsordrawings.

3.Wheninitiallymountingthecoupling,the
misalignmentmaybeoneandonehalftimesthe
maximumpermissiblemisalignmentshowninthe
catalog.Inspecthubbores,shafts,andkeyways
makingsuretherearenoburrs.Cleanhubboresand
shafts.Standardcontrolflexcouplinghubsaresupplied
withslightclearance
fit(seecatalog).


Control flex Double Disc
Clamp Hub
Coupling
4.Installthecouplingontotheshafts.Itisrecom‐
mendedthattheendsofbothshaftsbeflushwiththe
endofeachhub.Iftheshaftextendspastthehubface
verifythereisenoughclearancebetweenshaftandflex
discthattheshaftwillnotcontacttheflexdiscduring
operation.Tightenoneclamphubsocketheadcap
screwtolockthehubontotheshaft.Seethetablefor
thepropertighteningtorque.

5.Adjusthubseparationtodimension“C”specifiedin
theTableanddiagram.TightenSecondhubtotheshaft.

6.Aligntheshaftswithinthelimitsforparalleland
angularmisalignmentspecifiedonpagetwo.Forbest
alignmentresults,usealaseralignmenttoolordial
indicator.

Note:Aligningtheshaftsascloselyaspossibleatthe
timeofinitialinstallationwillreducenoiseandallowthe
couplingextracapacityformisalignmentsandloads
whichwilloccurduringoperationoverthelifeofthe
connectedequipment.Installingandoperatingcoupling
athigherdegreesofmisalignmentispossible(see
catalogratings),butwillgenerallyreducethelifeofthe
flexdisc.

Couplingandshaftalignmentshouldbechecked
periodicallyduetofoundationsettling,equipment
shifting,etc.Alignmentshouldbere‐checkedafterthe
firstseveralhoursofoperation.
Caution:Rotatingequipmentispotentially
dangerousandshouldbeproperlyguarded.Itisthe
responsibilityofthemachinebuilder,user,oroperator
tofollowallapplicablesafetycodesandprovidea
suitableguard.Makesurethemachineis“lockedout”
andcannotbeaccidentlystartedduringinstallationor
maintenanceofcoupling.
C2xxP-0708-1
13200SixthAvenueNorthPlymouth,MN55441‐5509PHONE(763)546‐4300FAX(763)546‐8260
TOLLFREE1‐800‐533‐1731www.zero‐max.com

