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Instruction Manual
IM-106-880, Rev 1.0
January 2007
OCX 8800
6-18
3. If pre-heater (7) is to be removed, clamp flats of sensor holder (4) in vise
jaws with plug (8) pointing up. Remove plug. Unclamp sensor holder
and pour stainless steel balls (9) into a container.
NOTE
Pre-heater should only be removed when pre-heater or sensor holder is
damaged. If removal is not required, leave the pre-heater installed in the
sensor holder.
4. Unthread and remove pre-heater (7).
5. Use a cleaning solvent to thoroughly clean stainless steel balls (9) and
pre-heater chamber in sensor housing (4). Refer to applicable MSDS
sheet for solvent handling precautions.
Sensor Housing
Assembly
Assemble COe Sensor Assembly
1. If pre-heater (7, Figure 6-13) was removed, apply pipe thread sealant
(Loctite #567) to the external pipe threads of pre-heater (7) and plug (8).
Do not apply sealant to the first turn of the pipe threads.
2. Clamp flats of sensor holder (4) in vise jaws with pre-heater port
pointing up.
3. Install and tighten pre-heater (7). Align pre-heater to flat of sensor
holder (4) as shown in Figure 6-14.
4. Invert sensor holder (4, Figure 6-13) in vise and pour stainless steel
balls (9) into plug port. Press down on stainless steel balls and tap
sensor holder with plastic hammer to compact balls in pre-heater
chamber.
5. Install and tighten plug (8).
6. Lubricate and install COe sensor gasket (5). Apply anti-seize compound
to threads of screws (1).
Always remove the stainless steel balls (approximately 200) from sensor holder before
removing or installing pre-heater. Turning pre-heater in the sensor holder with the stainless
steel balls in place will cause permanent damage to the pre-heater.
Always remove the stainless steel balls (approximately 200) from sensor holder before
removing or installing pre-heater. Turning pre-heater in the sensor holder with the stainless
steel balls in place will cause permanent damage to the pre-heater.
Use care when installing the combustibles (COe) sensor. The RTD elements are fragile and
correct alignment in sensor holder is required for proper OCX operation.