
2
1 Equipment Check
1.1 Follow plant safety regulations prior to equipment disassembly:
•Lockoutmotor.
•Weardesignatedpersonalsafetyequipment.
•ConsultplantMSDSlesforhazardousmaterialregulations.
1.2 AttherstinstallationofanXLCbearingdisassemblefanshaftassembly
inaccordancewithequipmentmanufacturer’sinstructionsandremove
upper bearing arrangement. Retain upper bearing mounting bolts and/or
nutsforXLCbearinginstallation.
1.3 Checkbearingassemblydrawingforanymodicationsrequiredtothe
equipmentbeforeinstallationandactaccordingly.
1.4 CheckshaftOD,distancetotherstobstruction,andbearinghousing
boltingtoensuretheyaredimensionallywithinthetolerancesshownon
thebearingassemblydrawing.Checkboltlengthtoensureadequate
threadengagementfortheactualbearinghousing.
1.5 Thoroughlyinspectandcleanthemountingplateandshaftorshaft
sleeve.Inspectforcorrosionoranydefects.Removeallburrs,nicksor
scratches,andsharpedgesfromtheshaftand/orsleeveinthebearing
area.Removesharpedgesfromkeywaysandthreads.Replaceworn
shaftorshaftsleeve.
1.6 CheckequipmentrequirementsasdescribedinFigure1.Anyreading
greaterthanwhatisallowedmustbebroughtwithinspecications.
Mounting Requirements Figure 1
102mm(4.0inch)
torstobstruction
Sleeveorshaftnishtobe
0.4 mmm (16 minch)R
a
or better
Faceofmountingplatetobesquare
totheaxisoftheshaftwithin
2.5°ofperpendicular
•Maximumshaftrunoutatmountingplaste=0.05mm(0.002inch)FIM
•Maximumdynamicshaftdeectionatmountingplate=0.05mm(0.002inch)FIM
ShaftorsleeveOD
+0.000mm(+0.000inch)
-0.050mm(-0.002inch)
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