4Operation
Studytheinstructionscarefullyandpayspecialattentiontowarnings!Always Always
Always
checktheAgitatorbeforeoperation(see
chapter3.3Pre-usecheck).
AlfaLavalrecommendasoftstarterorafrequencyconverterfortheAgitatortoreducetheloadontankandAgitator.For
operationinstructionsfromsuppliers(seechapter8Appendix).
4.1Operation/Control
Ifdeviationfromnormaloperationandintendeduseshowninchapter2.3Intendeduse,immediatelyswitchofftheAgitatorand
findthecauseoffailure(seechapter4.2Troubleshooting).
TheAgitatorisdesignedtomax5startsperhour.
Inspect Inspect
Inspect
the the
the
Agitator Agitator
Agitator
r r
r
egularly egularly
egularly
Inspect Inspect
Inspect
/ /
/
Clean Clean
Clean
/ /
/
Lubricate Lubricate
Lubricate
Supplier Supplier
Supplier
instruction instruction
instruction
W W
W
eekly eekly
eekly
Monthly Monthly
Monthly
Half Half
Half
- -
-
yearly yearly
yearly
Drive Drive
Drive
unit unit
unit
Motor Motor
Motor
x
-Cleansurfaces-toavoidoverheating
x
Gear Gear
Gear
x
-Cleanventscrew(ifany)
x
-Checkforoilleakage
x
Flange Flange
Flange
Cleandrain
x
Sealing Sealing
Sealing
Mechanical Mechanical
Mechanical
seal seal
seal
-NOTflushed:S1,S2,S3
x
-Flushed:DC,D
x
Bearing Bearing
Bearing
frame frame
frame
CleanPreVentscrew
x
Checkspiderclearance
x
Checkgaskets
x
Lubricateradialseals
x
Impeller Impeller
Impeller
device device
device
Sticky Sticky
Sticky
media media
media
-Cleanimpellerdevice
x
Abrasive Abrasive
Abrasive
media media
media
-Checkbladethickness*
x
Checkfasteningofpointedsetscrews
x
*Ifanysuspicionofreductioninbladethickness,contactAlfaLavalandinformserialnostatedonthenameplate.
27