Datex-Ohmeda Aespire 7900, User'S Reference Manual

Page: 51 / 118

3 User Maintenance
1009-0633-000
3-3
Datex-Ohmeda
approved
service
Monthly • 100% O
2
calibration (circuit O
2
sensor).
• Put Krytox (or a lubricant approved for use with 100%
O
2
) on all tee handle threads.
During cleaning
and setup • Inspect the parts for damage. Replace or repair as
necessary.
Annually • Replace the external o-rings on the vaporizer ports.
As necessary • Install new cylinder gaskets on cylinder yokes.
• Empty the water reservoir and replace the absorbent
in the canister.
• Empty the overflow trap on the optional suction
regulator.
• Replace the circuit O
2
sensor.
(Under typical use the sensor meets specifications for
1 year.)
• Replace the disposable flow sensors (plastic).
(Under typical use the sensor meets specifications for
a miminum of 3 months.)
• Replace the autoclavable flow sensors (metal).
(Under typical use the sensor meets specifications for
a minimum of 1 year.)
• Replace the receiver filter (active gas scavenging
only).
Minimum
Frequency
Maintenance
Minimum
Frequency
Planned Maintenance
12 months Have a qualified service person complete the scheduled
service maintenance checks, tests, calibrations and parts
replacement as defined in the service manual.
N N
N Nooo otttteeee::::
This is the minimum level of maintenance recommended by
Datex-Ohmeda. Local regulations may contain additional
maintenance requirements. Datex-Ohmeda advocates
compliance with local regulations which meet or exceed this
minimum level of maintenance.