Changing Or Cleaning The No Converter - Teledyne T200 User Manual

C
HANGING OR
The NO converter is located in the center of the instrument, see Figure 2-3 for the location
2
and Figure 5-10 for the assembly.
The converter is designed for replacement of the cartridge only; the heater with built-in
thermocouple is to be reused.
Power OFF the instrument.
Remove the instrument cover and allow the converter to cool.
Remove the converter assembly cover as well as the Moly insulation (top layer
and corner cut out layers) until the Moly converter assembly can be seen.
Remove the tube fittings from the Moly converter assembly.
Disconnect the power and the thermocouple from the Moly converter assembly.
Unscrew the steel cable clamp (for the power leads) from the converter housing
with a Phillips-head screw driver.
Remove the Moly converter assembly (converter cartridge and band heater)
from the converter housing.
•
Unscrew the band heater and loosen it.
Remove the old converter cartridge.
122 Teledyne API T200 NO/NO
C
LEANING THE
CAUTION! PERSONAL SAFETY HAZARD
Wear gloves prior to changing the NO
that the fiberglass insulation does not come into contact with
your skin.
CAUTION! HOT SURFACE HAZARD
The converter operates at 315º C. Severe burns can result if
the assembly is not allowed to cool.
Do not handle the assembly until it is at room temperature.
This may take several hours.
Make a note of the orientation of the tubes relative to the heater cartridge.
/NO Analyzer with NumaView™ Software
2 x
NO C
ONVERTER
2
2
Converter to ensure
083730200A DCN7962