SVC 4-56
Clean Anode (ECD Cell Weldment) (G1223A/G1224AVersions)
HAZARDOUS VOLTAGES ARE PRESENT IN THE INSTRUMENT WHEN THE POWER
CORD IS CONNECTED. AVOID A POTENTIALLY DANGEROUS SHOCK HAZARD BY
DISCONNECTING THE POWER CORD BEFORE WORKING ON THE INSTRUMENT.
NOTE
This procedure may only be performed by “Specific License” owners.
1. Set the main power line switch to the off position.
2. Disconnect the power cable from its receptacle.
3. Allow time for the oven and heated zones to cool.
4. When the heated zones are cool, turn off all gas
supplies.
5. Lift the hinged top cover at its front edge,
exposing the detector area.
6. Using a Pozidriv screwdriver, remove the screw
securing the detector top cover to the thermal
strap.
7. Remove the detector top cover.
8. Disconnect the cell anode lead from the PCB
interconnect by sliding it off the end of the
anode.
9. Loosen the locking screw on the ECD cover
10. Slide the locking tab on the ECD cover back,
freeing the cover from the anode shaft of the
cell weldment.
11. Carefully slide the ECD cover over the anode
shaft and anode, and remove it from the detec-
tor.
TOP COVER
ECD COVER
CELL WELDMENT
ANODE
OFF ON
RED O VISIBLE
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