3M Bair Hugger 505, Service Manual

Page 1: ...che Technik weiterleiten Mise en garde Risque d électrocution Certaines pièces sont électriquement chargées dans les appareils de réchauffement lorsque ceux ci sont connectés à une source d alimentation et ce même si l appareil est en position OFF arrêt ou STANDBY attente A transmettre au Service d ingénierie biomédicale 3 Bair Hugger Model 505 Warming Unit Service Manual Tot al Temperat ur e Mana...

Page 2: ...Check the 3MTM Bair HuggerTM therapy website to ensure you have the most recent version of this document www bairhugger com reorder 202430A ...

Page 3: ... Deutsch 59 English 1 3 Bair Hugger Model 505 Warming Unit Service Manual Check the 3MTM Bair HuggerTM therapy website to ensure you have the most recent version of this document www bairhugger com reorder 202430A ...

Page 4: ...t 9 Air Filter Replacement 11 Over Heat Alarm Testing 12 Over Heat Alarm Thermostat Adjustment 15 Normal Operating Temperature Testing 17 Normal Operating Temperature Adjustment 19 Troubleshooting 21 Call Technical Support for Replacement Parts 21 Technical Support and Customer Service 22 When You Call for Technical Support 22 In Warranty Repair and Exchange USA 22 Worldwide 22 Returning Units for...

Page 5: ...e patient For fluid warming applications the Model 241 blood fluid warming set is inserted in the warming unit hose When the unit is turned ON and a temperature setting is selected warm air flows over the Model 241 tubing and warmed fluid exits from the distal end of the tubing For additional information on Bair Hugger blankets Bair Paws gowns the 241 warming set or other accessories visit us onli...

Page 6: ...ction between electrical equipment and the potential equalization busbar of the electrical installation Please consult IEC 60601 1 2005 for requirements Fuse CAUTION Dangerous Voltage Type BF Equipment patient applied VAC V Voltage Alternating Current AC This system is subject to European WEEE Directive 2002 96 EC This product contains electrical and electronic components and must not be disposed ...

Page 7: ... sessions Thermal injury may result 2 The Bair Hugger temperature management unit has been designed to operate safely ONLY with 3M Patient Warming disposable components Use with other products may cause thermal injury To the full extent permitted by law the manufacturer and or importer declines all responsibility for thermal injury resulting from the unit being used in conjunction with non 3M Pati...

Page 8: ...s voltage and fire keep power cord visible and accessible at all times The plug on the power cord serves as the disconnect device The wall socket outlet shall be as close as practical and shall be easily accessible use only the power cord specified for this product and certified for the country of use do not allow the power cord to get wet do not use the warming unit when it appears the warming un...

Page 9: ...ping catheter site trauma and patient injury 6 Electrical shock hazard Do not disassemble the temperature management unit unless you are a qualified service technician There are electrically live parts within the unit when it is connected to a power source even when the unit is in Standby mode 7 To reduce the risks associated with environmental contamination follow applicable regulations when disp...

Page 10: ...Perform all repairs and maintenance in accordance with the instructions in this service manual Safety Inspection Perform a safety inspection after making repairs to the Bair Hugger warming unit and before returning the warming unit to service A safety inspection should include a test of the operating temperatures described in this service manual the Over Heat alarm system as well as a leakage curr...

Page 11: ...a dripping wet cloth when cleaning the warming unit Moisture may seep into the electrical contacts and damage the components Also do not use alcohol or other solvents to clean the cabinet Solvents may damage the labels and other plastic parts Hose Replacement Method 1 Press the tab on the blower outlet to release the existing hose 2 Attach the replacement hose by inserting the flange end at a 45 a...

Page 12: ...ate the fuse carrier in the center of the power entry module see Figure 2 4 Use the small screwdriver to remove the fuse carrier from the power entry module 5 Remove the blown fuse s from the fuse carrier 6 Place the new fuse s as marked into the fuse carrier CAUTION Replace only with the fuse capacity and type that is indicated on the adjacent label 7 Replace the fuse carrier into the power entry...

Page 13: ... warming unit from the power source 2 Turn the Model 505 unit over so that the bottom panel is facing up 3 Using the Phillips head screwdriver remove the screw from each of the 2 front feet bumpers and remove the feet 4 Remove the Phillips head screw from the center of the upper rear panel 5 Remove the 2 Phillips head screws located under the bed hooks on the upper rear panel Turn the unit right s...

Page 14: ... NOTE It may be necessary to remove the air filter to correctly position the lower portion of the retainer bracket inside the unit 10 Reconnect the warming unit to the power source 11 Record the maintenance action taken and the hours of operation read from the hour meter in the Maintenance Log section Figure 3 Location of Control Board Fuse Control board fuse Flip the top cover to access the contr...

Page 15: ... the power source 2 Remove the M6 x 25 pan head screw on the bottom of the unit The filter should slide out easily 3 Record the hour meter reading and date on the new air filter label The hour meter is located in the lower left corner of the top warning label see Figure 4 4 Slide the new filter into the base of the unit 5 Replace the M6 x 25 pan head screw on the bottom of the unit 6 Reconnect the...

Page 16: ... Warming assumes no responsibility for the reliability safety or performance of the Bair Hugger system if warming unit temperature testing or adjustments are made in any other manner than that described here Improper measurement or adjustment of the warming unit s over heat alarm setting could result in patient exposure to temperatures outside of the indicated range and may lead to patient injury ...

Page 17: ...eat test 3 Using the Phillips head screwdriver remove the screw on the alarm test panel The unit will go into an over heat condition when the test panel is loose 4 When the over heat alarm activates both visually and audibly note the maximum temperature achieved Let the alarm operate for at least 1 minute or until the temperature test kit read out is approximately 38 C 100 F then press Standby the...

Page 18: ...limits adjust the over heat thermostat See the Over Heat Alarm Thermostat Adjustment section 7 If the results of the test did meet specified limits turn the warming unit to STANDBY and disconnect the warming unit from the power source 8 Remove the hose end from the port on the Temperature Test Unit 9 Retighten the screw on the over heat alarm test panel 10 Record the maintenance action taken and h...

Page 19: ... 22110 does not need to be calibrated The meter it is connected to must be calibrated Follow the calibration instructions in the meter service manual or follow standard facility calibration schedules When in doubt contact 3M Patient Warming Technical Support for assistance in temperature adjustment Tools Equipment Temperature Test Kit Model 22110 Small slotted screwdriver Phillips head screwdriver...

Page 20: ...the screwdriver COUNTERCLOCKWISE to lower the alarm temperature 6 Fine tune the adjustment until the warming unit alarms at the specified temperature 7 Manually turn the warming unit to STANDBY then ON again This manual reset constitutes one cycle 8 Retest the alarm temperature to verify correct adjustment at least 2 times Allow the warming unit to cycle before each test 9 When the warming unit al...