Oxygen Concentrator
PN 14940837 B — 30
Repair and Testing Procedures
The following test and repair procedures have been developed to
allow for both performance verification of the CAIRE Companion
5 as well as proper removal and replacement of defective parts. If
a unit fails any given test, refer to the Troubleshooting section of
the manual.
Please carefully read and understand the following safety adviso-
ries before performing repair procedures.
WARNING:
• Verify that the power switch is in the “OFF”
position and the electrical cord is unplugged
before performing any repairs unless other-
wise noted.
• Make sure your hands are free of oils and
greases.
CAUTION
Do not allow liquid leak detector to come in con-
tact with electrical parts.
Note:
• All replacement parts must be factory ap-
proved. They should be marked “Cleaned
for Oxygen Service” and should be stored in
sealed plastic bags.
• Use only replacement parts authorized by
CAIRE, Inc.
• Service of the CAIRE Companion 5 should be
performed by authorized personnel only.
Outer Case
WARNING:
• Keep hands out of moving parts
• Disconnect power before removing the unit
cover.
• ESD Safety procedure must be in place.
CAUTION
• The Companion 5 contains electrostatic sensi-
tive components. Do not open or handle
except at a static free workstation. Do not
remove cover without ESD protection.
• Avoid possible eye injury by wearing protec-
tive eye wear or shielding the eyes from pos-
sible flying debris.
1. Use a long-stem Phillips to remove the 6 screws from the
back case.
2. Separate the front case from the back case.
3. Using pliers to remove the spring clamps holding the braided
tubing to the 4-way solenoid.
4. Disconnect the braided tubing from the 4-way solenoid.