Bruker BPHG 90 - How to Fill the Cooling Circuit; Figure 9.1 Coolant Reservoir; Figure 9.2 Coolant Drain

Maintenance
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Figure9.1:CoolantReservoir
1 Coolantreservoir
2 Coolanthighlevel
4. Tocollecttheliquid,placeacontainerofatleast1litervolumeunderthedrainandplug
thedraintubewithitsfittinginthepluglabelled“Coolantdrain”(seethefigurebelow).
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Theflowofcoolantwillstartautomatically.
Figure9.2:CoolantDrain
Seealso
2
HowtoDraintheCoolingSystem[}58]
9.2.2.2 HowtoFilltheCoolingCircuit
Theprocedureissimilartothedrainageprocedure:
1.
Stopthegeneratoroperationandpoweroffthedevice.Disconnectthepowercord.
2. Removethecoverontherearpaneltogainaccesstothecoolantreservoir(useaPhilips
screwdriver).
3. Removethecapofthecoolantreservoir.
4. Fillthereservoirwithcoolantuptohighlevel(approx.2cmfromtop).Ifsomecoolantis
spilled,cleananddrythoroughlytheinnersurfacesofthegeneratorbeforeswitchingon
thegenerator.
5. Poweruptheunitandcheckifthecoolantreturnsintothereservoirwhenthepumpison.
Thecoolantpumpisonwheneverthecryocoolerisinoperation.