CAIRE HELiOS Plus Technical & Service Manual page 24

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Maintenance
Schedule B (Continuous Pre and Post Fill Inspection) Maintenance Checklist
Unit Serial Number:
1 Cracking, Discoloration or Warping
2 QDV Deformation
3 Liquid Contents/Level Indicator Functionality
4 Cryogenic Reservoir Damage (Dents,Dings)
5 Visible Dirt or Contamination
6 Presence of All Required Labels
If LOX is present in Unit, Inspect for Heavy Frost or Condnesation on
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the Exterior of the Unit
Vent Valve Functionality Ensuring that All Parts are Present and the
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Valve Functions as it Should
9 FCV knob moves smoothly and encounters a detent at each setting.
1 QDV Poppet is Closed and Not Leaking
2 Vent Valve is Not Leaking
3 No Heavy Frost or Condensation is Present on the Exterior of the Unit
4 Liquid Level Contents/Indicator Reads the Accurate Amount
Pre Fill Visual Inspection
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Post Fill Visual Inspection
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HELiOS Portables Technical Service Manual • PN 20562190 Rev E
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