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Instruction Manual
IB-106-340C Rev. 4.1
July 2004
V-DEFLECTOR
CERAMIC
DIFFUSER
CELL FLANGE
ASSEMBLY
6. Remove tube clamps (33). Carefully
pull the CAL and REF gas silicon tubes
(34) from the CAL and REF gas ports.
7. Remove gas port fittings (29) from the
CAL, REF, and VENT ports.
8. See Figure 9-8. Grasp the wire loop
and carefully slide the heater strut
assembly (32, Figure 9-3) out of the
probe tube.
9. When replacing the strut, orient the
probe so that the small calibration gas
tube lays at the 6 o'clock position of the
probe tube. Align the slot on the heater
plate with the calibration gas line in the
probe tube. Slide the strut into the
probe tube. It will turn to align the hole
on the back plate of the strut with the
calibration gas line. When the hole and
the calibration gas line are aligned cor-
rectly, the strut will slide in the rest of
the way.
9-14
Maintenance and Service
Hazardous Area Oxymitter 4000
CERAMIC SUPPORT ROD
HEATER
Figure 9-8. Heater Strut Assembly
Rosemount Analytical Inc. A Division of Emerson Process Management
10. As the strut installation nears comple-
tion, install the guide rod into the cali-
bration gas tube to assist in guiding the
calibration gas tube through the hole in
the end of the strut.
11. Push down on the back plate of the
strut to make sure you have spring
tension and then install the strut pres-
sure clamp (34) on the back plate.
12. Install gas port fittings (29) in the CAL,
REF, and VENT ports.
13. Replace the CAL and REF gas silicon
tubes (34) and tube clamps (33).
14. Install the entire electronics per para-
graph 9-4b, steps 4 and 5.
15. Follow the instructions in paragraph
2-1b to install the Hazardous Area
Oxymitter 4000 into the stack or duct.
WIRE
LOOP
27540007
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