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Teledyne API Model M201E NH
3
Analyzer Operator Manual Maintenance Schedule
05206H DCN5910 37
4.3 REPLACING THE THERMOCOUPLE
The following instructions provide the necessary information to replace the
existing thermocouple. Figure 4-2 is provided for reference.
You must obtain the following replacement parts kit from T-API:
010820000 , Type K thermocouple
You will need the following tools:
Nutdriver,
5
/
16
Nutdriver,
11
/
32
Diagonal Cutter
Philips head Screwdriver #2
CAUTION
Avoid damage to the unit: use only Type K thermocouple in
the M501 NH
3
, converter. It can be distinguished by its wire
colors: red and yellow. If you have any other thermocouple,
do NOT install it; call T-API to obtain the correct part.
Figure 4-2. Thermocouple Location
Once you have the right tools and parts, replace the thermocouple as follows:
1. Ensure power is removed from the
M501 NH
3
, Converter. If the Converter has
been operational you will need to wait for at least 2 hours for the Converter oven to
cool before continuing with the replacement of the thermocouple.