Specifications
CO Guardian LLC Document No. 01-2510-02
1951 E. AIRPORT DRIVE Date: 11/23/02
TUCSON, AZ. 85706 REV A
7.0 MAINTENANCE INSTRUCTIONS
The carbon monoxide detector and associated equipment consist of certain
parts, which do not require periodic scheduled servicing or periodic scheduled
preventive maintenance. At every power up the system will go through a self-
diagnostic check and will show a green light within 10 seconds if the unit is
working properly.
WARNING: If the model 452 unit shows a blinking Amber light
approximately each second and a flashing Amber external remote light
every 4 seconds, return the unit to CO Guardian for repair or replacement.
No Field repair or service is allowable other than to the aircraft wiring
harness and circuit breaker.
The aircraft wiring harness and circuit breaker shall be included in general visual
inspections for system integrity, security, corrosion and chaffing.
8.0 CARBON MONOXIDE DETECTOR SCHEDULED MAINTENANCE
Scheduled Maintenance Program tasks to be added to the aircraft operator's
appropriate airplane maintenance program are as follows:
a. Recommended Periodic Scheduled Servicing Tasks: None Required.
b. Recommended Periodic Scheduled Preventative
Maintenance test/checks to determine system condition
and/or latent failures:
Note:
Be sure vents on the faceplate are free of obstructions.
Any failures of the system are evident to the pilot
through a blinking Amber light approximately very 1
second and a flashing Amber external light (if
connected) approximately every 4 seconds.
AT EVERY TIME THE UNIT IS TURNED ON.
c. Recommended Periodic Inspections: None Required.
d. Recommended Periodic Structural Inspections None Required.
e. Required CO Sensor replacement and calibration. Every SEVEN (7) YEAR interval.
NOTE
The unit must be returned to the manufacturer for sensor
replacement and recalibration every seven calendar years.
NO FIELD SERVICE OR OVEHAUL of Model 452 IS ALLOWED.
MODEL 452 INSTALLATION AND OPERATIONAL MANUAL Page 14 of 17










