Bair Paws Model 875 Warming Unit Service Manual
16
Check the 3M
TM
Bair Paws
TM
system website to ensure you have the most recent version of this document.
www.bairpaws.com reorder #202036A
6� Insert a flat-headed, 2-mm screwdriver into the calibration access hole to a depth of
approximately 1/2 inch (see Figure 10)� Turn the pot very slowly until the steady state
temperature reading is 43°C� Wait at least 5 minutes to ensure steady state (43�0±0�5°C)�
7� Proceed to the next section to test the Over-temperature (OT) circuit�
Testing the Over-temperature (OT) Circuit
Service Frequency
Test every 6 months�
Tools/Equipment Needed
•
Model 90055 Temperature Test Kit (thermocouple included)�
•
Small screwdriver�
•
Medium Phillips screwdriver�
•
Calibrated thermometer�
CAUTION
•
Perform all over-temperature circuit testing of the Model 875 warming unit using a
Model 90055 Temperature Test Kit�
•
Perform all over-temperature circuit testing at an ambient temperature similar to the
area where the Model 875 warming unit will be used�
•
The Model 875 warming unit is intended for use in an ambient environment between
18 and 26°C (65 and 79°F)�
Figure 10� Calibration access hole to adjust pot�
