Bair Hugger Model 750 Temperature Management Unit Service Manual
12
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Service Procedures
caution
Auto tester must not interrupt the voltage during unit on power reset or an error 053/054 may result�
Calibrating the Operating Temperatures
caution
Perform all temperature testing of the temperature management unit with a 3M Patient Warming Model
22110 Temperature Test Unit�
3M Patient Warming assumes no responsibility for the reliability, safety, or performance of the Bair Hugger
system if temperature tests or adjustments are made in any manner other than those described here�
Improper measurement or adjustment of the temperature management unit’s normal operating temperature
could result in patient exposure to temperatures outside of the indicated range and may lead to patient
injury�
Service frequency
Every 6 months or 500 hours of use, or whenever service is performed�
Tools/equipment
Model 22110 Temperature Test Unit
NOTES:
• The Model 22110 Temperature Test Unit simulates the operating characteristics of
Bair Hugger blankets when used with Bair Hugger temperature management units�
• When using the Model 22110 Temperature Test Unit, take temperature readings using a calibrated
thermometer that can accept a male, subminiature connector and read a “K” style thermocouple
(e�g�, a Fluke Model 52 K/J Thermometer)� If the test unit’s connector does not fit your thermometer,
remove the connector from the test unit and attach a connector that fits your meter� Be certain to
observe polarity�
