GEK-91696D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1150HPACDrillingMotor,Model5GEB22

 

 

 

PARTNUMBERTABLE7OF.HUBHUBRISETEMPERATUREADVANCE,INDEGREESINCHABOVE(MM)SHAFTTEMPERATEMPERATURERISE

93A41

 

 

 

 

3

048

—3.302)048

 

 

 

 

 

 

 

 

 

1A237799

 

 

 

 

 

 

387°F(215°C)

 

 

 

 

 

84B519250P1

 

 

.1201—.1302(2.794

 

 

fdegresabove

6.

Heatthehubinanovenuntilithasreached

uniform

 

 

 

(thedsirednumbr

 

shafttemperature).Forexample,iftheshafttemperatur

is77°F(25°C),thehubisheatedto(ambient)77°F

 

(25°C)+(heatrise)387°F(215°C)=464°F(240°C)hubtemperature,whichismaximumallowablehubtem-

7.

prat .

thetemperatureoftheshaftandthehubwiththesameinstrument.Anaccuratemeodmust

Measure

 

beprovidedformeasuringhubandshafttemperaturesquicklybeoremontingthehub.Thiscanbestbe

8.

done

ahandpyrometer.Inusingthepyrometer,placepointInformationthegaugeinsidethebreofthehubto

Insurewithatthehubboreandtheshaft

arecleanpriortoassmblingtheheatedhub

 

therotorshaft.

 

obtainthefittemperature.

 

 

ggemewiththetaprfit(notinactualcntac),snapitorcibly

 

aswhencold.Whenthehubisnearlyin

 

Then,using

handprotction,quickly

theh

thehothubon

shaftinthesameangularp

 

placewithadequatequickpush.Itisimporta

 

 

hubbeinstantlysnappedintoposito

beforesitionhas

9.

intocoled;otherwise,itwillfreezetotheshafndcataperthatmountotbeadjust

further.

 

alongthe

Check

hotorshrunk−on

 

ofthehub

the

 

 

.Theadvancefromcoldtohot

 

 

locatedinthesamrelativepositionasusedConfidentialtomesureshafthecoldpositioninStep3(asshownpositionFigure14).

 

axisoftheshaft

ustbe

ldwhithelimitsindicted.

 

cktheactualadvancewithanindcatorgauge,

10.

 

Proprietary

 

 

 

 

 

 

 

 

 

 

 

 

 

Iftheadvanceisnotwithinspecifiedlimits,removethehubandrepeattheassemblyprocedure.

43

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Image 43
GE 5GEB22 manual Prat, Done, Alongthe, 93A41