Combustion Oxygen Monitor
Endura AZ20 Series Probe 6 Dismantling and Reassembly – Transmitter
36 IM/AZ20M–EN Rev. B
6 Dismantling and Reassembly – Transmitter
6.1 Replacing the Transmitter Cartridge
6.1.1 Replacing the Remote Transmitter Cartridge
Referring to Fig. 6.1:
1. Unscrew the 4 (captive) transmitter cover retaining screws
A.
2. Remove the transmitter cover
B.
3. Confirm that the power indicator LED C on the
backplane is not lit.
4. Slacken the 3 cartridge retaining screws
D, lift the
cartridge E away from the housing and discard the
cartridge.
5. Position a new cartridge over the backplane F, align the
cartridge retaining screws
D with the 3 backplane screw
access holes G and push the cartridge in gently to
engage the connectors.
6. Tighten the 3 cartridge retaining screws
D to secure the
cartridge
E to the backplane F.
7. Locate the transmitter cover
B and tighten the 4
transmitter cover retaining screws A.
8. Refer to the transmitter User Guide (IM/AZ20E–EN) to
re-configure the transmitter
Warning.
Before dismantling the transmitter, clean the outer surfaces of the transmitter thoroughly.
Handle internal components carefully, keep them clean and ensure mating surfaces are not damaged during maintenance
procedures.
Do not subject the transmitter to blows from hammers or sharp objects.
Do not reuse damaged parts, use new replacement parts only.
Warning. Isolate the transmitter from power supplies before
removing the cover and label the isolator to prevent
accidental switch on.
Warning. If the power indicator LED C is lit, the
transmitter is still powered-up. Isolate the transmitter
from the power supply before continuing.
Fig. 6.1 Replacing the Cartridge on a Remote Transmitter
To Next Page
Loading...
