Maintenance Procedures - CAIRE Companion 5 Technical Manual

Maintenance Procedures

The following section lists procedures that are necessary to
maintain the Companion 5. Service should only be performed by
a qualified technician. To perform periodic maintenance, the only
tools that should be necessary are:
• Magnetic tip long-stem #2 Phillips
• Wire-cutting pliers
• Small cable ties
• ESD Mat or approved ESD system
• Flat head screwdriver
• Flow Meter/Oxygen Analyzer
• 3/32" Allen wrench
• 5/32" Allen wrench
• Adjustable Pliers
• Needle Nose Pliers
• Ohmmeter/Multi-Meter
• Replacement Filters
WARNING:
Disconnect all power supplies going to the unit
prior to performing the following steps
HEPA Filter
1. Press the power switch in the "OFF" position and unplug the
electrical cord.
2. Use a long-stem Phillips to remove the 6 screws from the
back case.
Oxygen Concentrator
3. Separate the front case from the back case.
4. Disconnect the HEPA filter from the outlet barb tubing.
5. Disconnect the HEPA filter from flow meter tubing.
6. Remove the filter.
7. To replace, reverse steps 1–7.
• Direction of flow on the filter is indicated by
the text "IN". Bacteria filter is flow direc-
Note:
tional.
• In the picture above, "IN" should be facing
down or opposite of the flow control valve.
WARNING: DO NOT use any petroleum based or other lubri-
cants. A spontaneous and violent ignition may
occur if oil, grease or other petroleum substances
come into contact with oxygen under pressure.
Keep these substances away from the oxygen con-
centrator, tubing and connections and any other
oxygen source.
Always cut the heads of cable ties to avoid damag-
Note:
ing the tubing.
Bacteria Filter
PN 14940837 B — 21