Electrolux T4900 - Replacing Actuator

71
Heating - steam
Service
manual
Replacing actuator
Troubleshooting:
•Fig.1VoltageofscrewterminalsBmustbe
 18VAC,fig.1.
•Dampermustbeadjustedcorrectly,wide
 openorshut.
Dismounting actuator
1.Disconnectthepowertothedryer.
2.LoosentheAllenscrewsA.Thisreleasesthe
dampershaft
Note!Itisa1/8”key,not mm key.
3.Dismountthe3wiresinthescrewterminals
B(markoutthewiringpositions).
4.UnscrewscrewC.
Theactuatorcannowbedismounted.
Mounting new actuator
1.Mountthescrew C
2.Fig.3Turntheactuatorasshownon.
3.Sticktheendoftheshaftthroughthehubat
theAllenscrewsA.
4.Fig.3Releasethedeclutchleverandrotate
thehubuntilitisinthesamepositionas
shownon.
5.InserttherangestoppininpositionD
(suppliedwiththeactuator).(Donotinsert
therangestoppinD untilthehubposition
shownonfig.3hasbeenreached).The
rangestoppinisclippedintoitsfinalposition
onlyafterthepinpassesthroughboth
actuatorplates.Therangestoppinshould
snapintopositionandnotberemovable
manually.
6.TightentheAllenscrewsAintothedamper
shaftwith5Nm.Itispossibletoadjustthe
damperopeningbyturningthemanual
declutchlever
Note!Whentighteningtheendoftheshaft
thedampermustbeopen.
  Tobecontinued
CW COM CCW
CW COM CCW
0
18V 18V
1
B
2
3
B
B
D
A
A
C
5 Nm
A
Manual declutch lever