Teledyne Pet Fence M201E User Manual

Page of 51
Teledyne API Model M201E NH
Analyzer Operator Manual
 
Maintenance Schedule
 
05206H DCN5910
 
37
 
4.3  R
EPLACING THE 
T
HERMOCOUPLE
 
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.