Troubleshooting & Repair Procedures - CAIRE HELiOS Plus Technical & Service Manual

XI 1
Troubleshooting & Repair Procedures
Table of Contents
A. Introduction ----------------------------------------------------------------------------------------- 20
B. Troubleshooting Charts ------------------------------------------------------------------------21-27
C. Repair Procedures
RP1 General --------------------------------------------------------------------------------- 31
RP2 Liquid Leak Detector Test ----------------------------------------------------------- 31
RP3A Emptying the Unit (H300) ----------------------------------------------------------- 33
RP3B Emptying the Unit (H850) ----------------------------------------------------------- 33
RP4 Cover Removal ------------------------------------------------------------------------ 34
RP5A Front Cover R/R ---------------------------------------------------------------------- 34
RP5B Rear Cover R/R ----------------------------------------------------------------------- 35
RP6 Contents Indicator Test -------------------------------------------------------------- 35
RP7 Primary Relief Valve Test ----------------------------------------------------------- 36
RP8 Secondary Relief Valve Test -------------------------------------------------------- 37
RP9A Economizer Test (H300) ------------------------------------------------------------- 38
RP9B Economizer Test (H850) ------------------------------------------------------------- 38
RP10 R/E Valve R/R ------------------------------------------------------------------------ 39
RP11 SRV R/R ------------------------------------------------------------------------------- 39
RP12 Pressure Hold Test -------------------------------------------------------------------- 40
RP13A Liquid Withdrawl Warming Coil R/R (H300) ------------------------------------ 40
RP13B Liquid Withdrawl Warming Coil R/R (H850) ------------------------------------ 41
RP14A Gas Withdrawl Warming Coil R/R (H300) --------------------------------------- 42
RP14B Gas Withdrawl Warming Coil R/R (H850) --------------------------------------- 42
RP15A Vent Valve Assembly R/R (H300) ------------------------------------------------- 42
RP15B Vent Valve Assembly R/R (H850) ------------------------------------------------- 43
RP16 Vent Valve Disassembly & Repair ------------------------------------------------- 43
RP17A QDV Assembly R/R (H300) -------------------------------------------------------- 44
RP17B QDV Assembly R/R (H850) -------------------------------------------------------- 45
RP18 QDV Lip Seal R/R -------------------------------------------------------------------- 45
RP19 Demand Flow Control Valve Test -------------------------------------------------- 46
RP20 Demand FCV R/R -------------------------------------------------------------------- 48
RP21 Demand FCV Filter Screen Replacement ----------------------------------------- 48
RP22 Normal Evaporation Rate (NER) Test --------------------------------------------- 49
RP23 Oxygen Supply Line Quick Connect R/R ----------------------------------------- 49
RP24 Inline Check Valve R/R -------------------------------------------------------------- 49
RP25 Compression Fitting (Nut & Ferrule) Replacement ------------------------------ 50
RP26 Flexible Tubing Replacement ------------------------------------------------------- 50
RP27 CPC Connector Kit Installation ----------------------------------------------------- 50
Introduction
1. These procedures are designed to be performed only by qualified personnel with proper equipment.
2. Any failure during routine maintenance checks will refer you to this section. See troubleshooting chart for appropriate
procedure.
HELiOS Portables Technical Service Manual • PN 20562190 Rev E
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