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Instruction Manual
IM-106-880, Rev 1.0
January 2007
OCX 8800
6-8
2. Loosen screws (11, Figure 6-3) and rotate heater clamps (12) to release
heater rods (13). One heater clamp secures each heater rod.
3. Slide sample block heater rods (13) out of housing (8).
Remove COe Sensor Assembly
1. Disconnect COe heater, thermocouple, and sensor wires from terminal
blocks. Refer to Figure 6-5.
2. Remove insulator (1, Figure 6-6).
Figure 6-5. COe Sensor,
Thermocouple, and Heater
Connections
O2
RED
T/C O2
T/C CO
T/C SB
EXC
CJC
COe Sensor Wires
COe Heater Wires
COe Sensor
Assembly
CO REF
CO ACT
Sensor HousingTerminals
+
-
HTR 02
HTR SB
2
2
1
+
-
+
-
+
-
+
-
+
-
+
YEL
-
+
37390018
HTR 02
2
1
HTR CO
1
WHT
BLU
RED
RED
WHT
COeThermocouple Wires
-
EXC
RED
BLU
CJC Sensor
NOTE: All wires
at these terminals
are in the CJC
current loop.