Repair

Flushing Flushing

Flushingthe the

theDiaphragm Diaphragm

DiaphragmValve Valve

Valve

Thisprocedurecanbeperformedwiththecomponent
stillmountedinthepanel.
Iflarge-gritabrasiveorotherforeignmatterbecome
lodgedinthediaphragmvalve,itwillbecome
necessarytoushthevalve.Thisisasimple
procedure;however,itdoescausethereleaseofa
largevolumeofairtoescapethroughthereleased
quickcoupling.Youneedtobepreparedforthe
releaseofairbypullingthequickcouplergrommet
outofitsgroovesothatitdoesnotgetlost.
1.OperatetheunitinWASH(see
UsingtheWashFeature,page17)until
allabrasiveclearsfromtheblasthose.
2.Closetheabrasiveballvalve,thenturnthe
selectorvalvetoRINSE.
3.Disconnectthequickcouplingattheabrasive
ballvalve(notatthebottomofthepot).
4.TurntheselectorvalvetoWASH.Thiswillpump
wateroutofthequickcouplerandallowyou
toreachupinsideandclearallabrasiveand
removethegrommet.
5.Makesurenothingisinthepathoftheopen
quickcoupler,thenengagetheblastcontrol
brieyandseveraltimes.
NOTE: NOTE:
NOTE:Highowairshouldescapethroughthe
cam-lockcoupling.Ifthisdoesnotoccur,the
diaphragmvalveismalfunctioning.Replace
entirediaphragmcanister(EQ5140–EQ600,
EQ5142–EQ300).
6.Holdthemaleendofthequickcouplerupto
thewatercomingfromthecam-lockendofthe
coupler.Cleanoffanydirtorabrasive.
7.TurntheselectorvalvetoRINSEtostoptheow
ofwater.
8.Re-insertthegrommetintoitsinternalgroove
insidethecam-lock.
9.Reconnectthequickcoupler.Ifproperlycleaned
andconnected,thereshouldbenoleaksatthe
couplerduringoperation.
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