Introduction - CAIRE HELiOS Plus Technical & Service Manual

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Maintenance
Unit Serial Number:
Step 10 Year Service Life
1 LOX Purged From Reservoir (Repair Procedure RP3)
2 Inpection for Damaged/Missing Parts
3 Contents Indicator Reads Empty and Spring Scale Moves
Freely
4 Remove Cover (Repair Procedure RP4)
5 Perform Liquid Leak Detector Test (Repair Procedure
RP2)
6 Perform PRV Test (Repair Procedure RP7)
7 Perform SRV Test (Repair Procedure RP8)
8 Liquid Contents/Level Indicator Test (Repair Procedure
RP6)
Contents Indicator Window Shows No Green When
Empty And Completely Green When Full
9 Pressure Retention Test (Repair Procedure RP12)
10 Replace Case (Repair Procedure RP5)
11 Flow Rate Test (Repair Procedure RP19)
(C=continuous; D=demand)
12 Inspect for Cold or Sweaty condition/ Excessive Venting
from RV
13 Perform NER Test (Repair Procedure RP22)
14 Empty Contents from Portable (Repair Procedure RP3)
15 Clean and/or Disenfect Outside of Unit
Schedule A (Biennial) Maintenance Checklist
Performed or Verified By/Date
Performed or Verified By/Date
Performed or Verified By/Date
Performed or Verified By/Date
Performed or Verified By/Date
Performed or Verified By/Date
PRV Crack Pressure
PRV Reseat Pressure
Performed or Verified By/Date
SRV Crack Pressure
SRV Reseat Pressure
Performed or Verified By/Date
Performed or Verified By/Date
Internal Pressure after 10 Minutes
Internal Pressure after 60 Minutes
Performed or Verified By/Date
Performed or Verified By/Date
H300
Flow Rate at: OFF
Flow Rate at: 0.12 (C)
Flow Rate at: 0.25 (C)
Flow Rate at: 0.5 (C)
Flow Rate at: 0.75 (C)
Flow Rate at: 1.0 (D)
Flow Rate at: 1.5 (D)
Flow Rate at: 2.0 (D)
Flow Rate at: 2.5 (D)
Flow Rate at: 3.0 (D)
Flow Rate at: 3.5 (D)
Flow Rate at: 4.0 (D)
Performed or Verified By/Date
Performed or Verified By/Date
NER Results
Performed or Verified By/Date
Performed or Verified By/Date
Year 2 Year 4
H850
Off
1.0 (C)
2.0 (C)
3.0 (C)
4.0 (C)
5.0 (C)
6.0 (C)
1.5 (D)
2.0 (D)
2.5 (D)
3.0 (D)
4.0 (D)
HELiOS Portables Technical Service Manual • PN 20562190 Rev E
Year 6 Year 8 Year 10
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