PUMP CONDITION EVALUATIONBEARINGSPUMP SHAFTBEARING FRAMEREAR
COVER IMPELLERPUMP CASE
PUMP CONDITION EVALUATIONVibration - Imperfections on
rollers/balls will cause seal face chatterEnd Play - Closing force
on the seal faces will varyRun OutSeal faces will not run in a
concentric pathSeal faces will not run parallelVibration will
occur
BEARINGS
CHECKING BEARING RELATED END PLAYTotal Indicator Readingshould
not exceed.010
CHECKING BEARING RELATED END PLAYTIR should not exceed.010
CHECKING BEARING RELATED RUN OUTTIR should not exceed.002
CHECKING BEARING RELATED RUN OUTTIR should not exceed.002
PUMP CONDITION EVALUATIONBent ShaftRun OutVibrationBearing
FitsRun OutEnd PlayShaft Sleeve Fit - Run OutImpeller Thread/Fit -
Vibration
PUMP SHAFT
CHECKING SHAFT RELATED RUN OUTTIR should not exceed.001 per 2
distance from bearing
CHECKING SHAFT RELATED RUN OUTTIR should not exceed.001 per 2
distancefrom bearing
PUMP CONDITION EVALUATIONOutboard Bearing Housing fit in
FrameBearing FitsRun OutBearing SpinVibrationBEARING FRAME
PUMP CONDITION EVALUATIONSeal chamber / Gland fit - Gland Boss
must be perpendicular to the pump shaftImperfections or wear on the
impeller side of the rear cover will effect the performance of pump
out vanes which in turn, effects seal chamber conditionsStuffing
box pressurefluid turbulenceREAR COVER
CHECKING GLAND BOSS FOR PERPENDICULARITYTIR should not
exceed.005 up to 5 Dia. (+.001"/in. >5)
PUMP CONDITION EVALUATIONExcessive wear will effect pump
performance which will effect stuffing box conditionsImpeller fit
on shaft must be trueWith open impeller pumps, proper impeller /
case clearance is a must for optimum pump performance and must be
done before installing a new sealIMPELLER & PUMP CASE
