Service manual

Bair Hugger Model 775 Temperature Management Unit Service Manual
20
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TM
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Replacing the Hose
Service frequency
As needed�
Tools/equipment
• Replacement hose
• Needle-nose pliers
• Strap wrench (optional)
Method
Detaching Hose
1� Disconnect the temperature management unit from the power source before replacing hose�
2� Unscrew the hose collar�
3� Slide the hose out of the temperature management unit� e hose will still be attached to the unit by
a cable
4� By hand or using a needle-nose pliers, carefully detach the cable connector from the header plug
located inside the hose connector (see "Figure 3� Hose replacement")�
Figure 3. Hose replacement
Reattaching Hose
1� Attach the cable connector of the new hose to the header plug, making sure that the protrusions on
the connector align with the corresponding slots on the header
2� Align the at section of the hose end with the corresponding at part of the units hose connector and
slide the replacement hose into the temperature management unit�
3� Firmly screw the hose collar back into place�
4� Reconnect the temperature management unit to a grounded power source�
5� Calibrate operating temperature settings� See page 12
6� Perform over-temperature detection system test� See page 14