Instruction 0024-9435
34
Fyrite Tech
5.8 CO Sensor Replacement
(Model 60 only)
Be sure to perform all of the checks listed in Section 4.8.9 to ensure that
the CO sensor needs to be replaced.
Material Required:
• CO Sensor, P/N 0024-7265
• CO Sensor Gasket, P/N 0024-1112
• #1 Phillips Screwdriver
Procedure:
1. Disassemble the analyzer as follows:
a. Remove the battery cover and the batteries, uncovering one of the
cover hold-down screw.
b. Remove and set aside all four cover hold-down screws.
c. With the analyzer on its back, remove the front cover, laying it
face down to the left of the body.
d. Remove the battery connector from top of circuit board. Then
carefully remove the circuit board laying it face down in the top
cover.
2. Gently pull CO sensor out of its socket (see Figure 5-4).
3. Properly dispose of the old CO sensor (see the instruction sheet that
comes with the new sensor.
4. It is recommended that the CO sensor gasket be replaced at the
same time as the sensor. Remove the old gasket and discard. Re-
move the paper backing from the new gasket and adhere it to the
case in the same position as the old one.
Important:
Ensure that the new gasket does not restrict the inlet and
exhaust holes in the case.
5. Plug the new CO sensor into its socket.
6. Reassemble the analyzer.
