Burkert 2300 - Page 37

37
Maintenance, cleaning
WARNING!
Risk of injury from parts jumping out!
Whenthespindleopeningisexposed,theindividualpartsof
thepackingglandarepressedoutatanundenedspeedwhen
thepilotairportsispressurized.
▶ Beforepressurizingwithcontrolair,safeguardtheambientarea
ofthedischargeopening(e.g.placespindleonarmbase).
1
2
Pilotairport
Pilotairport
Fig. 33: Connections
→ Pressoutpackinggland:
Control function A and IPressurizepilotairport1with6–8
bar.
Control function BPressurizepilotairport2with6–8bar.
→ Greasetheindividualpartsofthenewpackingglandwiththe
uppliedlubricant.
→ Connecttheindividualpartstothespindleinthespecied
directionandsequence(asillustratedin“Fig.34”or“Fig.
35”).
→ Pushpackingglandintothepackingglandtube.
If the valve featuresa PEEK spindle guide (series pro-
ductionstatusuptoApril2012),werecommendreplacing
itwithaVAspindleguide(see“Tab.25:VAspindleguide
forpackinggland”,page42)
→ Greasethreadofthespindleguide(KlüberpasteUH1
96-402).
→ Screwspindleguidebackinusingtheinstallationtool.
Observetorque(see“Tab.19:Tighteningtorquesofspindle”)!
Insertiondirectionfor
packingglandparts
Supportring
Upper
chevronseals
Upper
pressurering(s)
Pressure
spring
Lower
pressurering
Lower
chevronseals
Spindlediameter10mm Spindlediameter14mm
Fig. 34: Seal set for packing gland SP10 / SP14
english
Type 2300