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Bair Hugger Security Systems Service Manual - Symbol Definitions
Bair Hugger Model 505 Service Manual
28
Symbol Definitions
ON/STANDBY
ON (used on isolation switch)
OFF (used on isolation switch)
ON/OFF push button switch
Temperature Control
Equipotentiality plug (Ground)
Fuse
Attention (see appropriate documents)
Dangerous Voltage
Type BF Equipment (patient applied)
Voltage, Alternating Current (AC)
Special Refuse, discard separately
Protective earth ground
No free hosing
!
VAC
V
Summary of Security Systems
Page 1
Warning: electrical shock hazard. There are electrically live parts within the warming unit when it is connected to a power source, even when the switches are in the off or standby position. Please forward to biomedical engineering department vorsicht : gefährliche elektrische spannung. In einem an ...
Page 2: Deutsch 29
Deutsch 29 français 61 english 1 bair hugger * model 505 warming unit service manual.
Page 3: Table Of Contents
Table of contents introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 description of the total temperature management* system . . . . . . . . . . . . . . . . . . . . . . . . . 1 indications . . . . . . . . . . ....
Page 4: Introduction
Introduction description of the total temperature management* system the bair hugger brand total temperature management system consists of a bair hugger forced-air warming unit and disposable components, including bair hugger forced-air blankets and the 241* blood/fluid warming set, and bair paws* p...
Page 5
Warnings do not leave patients with poor perfusion unmonitored 1. During prolonged warming therapy sessions. Thermal injury may result. The bair hugger temperature management unit has been 2. Designed to operate safely only with arizant healthcare* disposable components. Use with other products may ...
Page 6
Cautions except for specific blanket models, bair hugger blankets are 1. Not sterile and are all intended for single patient use only. Placing a sheet between the bair hugger blanket and the patient does not prevent contamination of this product. Monitor the patient’s temperature and cutaneous respo...
Page 7
Read before servicing equipment the repair, calibration, and servicing of the warming unit requires the skill of a qualified medical equipment service technician who is familiar with good practice for medical device repair. If service is designated as not requiring manufacturer’s attention, the tech...
Page 8: Service Procedures
Service procedures cabinet cleaning tools/equipment soft cloth, lightly dampened with water and mild detergent. Method disconnect the warming unit from the power source. 1. Wipe the exterior of the warming unit clean. 2. Caution: do not use a dripping wet cloth when cleaning the warming unit. Moistu...
Page 9
Power entry module (see detail) power fuse replacement the power fuses are located in the power entry module. A spare fuse is located in the fuse carrier (see figure 2). Tools/equipment phillips-head screwdriver small slotted screwdriver method disconnect the warming unit from the power source. 1. R...
Page 10
Control board fuse replacement control board fuses are located on the control board. (see figure 3.) the internal fuses on the model 505 are for control board functions only. The power fuses are located in the power entry module. Instructions for power fuse replacement can be found in the power fuse...
Page 11
Figure 3. Location of control board fuse control board fuse flip the top cover to access the control board phillips screws control board fuse replacement hook the retainer bracket onto the front of the top cover. 8. Place the top cover back into position. Replace all screws. 9. Note: it may be neces...
Page 12
Air filter hour meter air filter replacement the air filter is mounted in the bottom of the warming unit (see figure 4). Tools/equipment phillips-head screwdriver service frequency every 6 months or 500 hours of use. Method disconnect the warming unit from the power source. 1. Remove the m6 x 25 pan...
Page 13
Over heat alarm testing warning: perform all testing and adjustments of warming unit temperature with a calibrated model 221 temperature test kit or a model 22110 temperature test unit. Arizant healthcare inc. Assumes no responsibility for the reliability, safety, or performance of the bair hugger s...
Page 14
Over heat alarm testing method the over heat alarm test panel is located on the back panel of the model 505 (see figure 5). Insert the open hose end from the warming unit in the port 1. On the temperature test device (see figure 6). Note: do not block the rear air vents on the test device. Figure 5....
Page 15
Over heat alarm testing allow the warming unit to cycle 2 times more after the first 5. Satisfactory reading. When the alarm activates, note the alarm temperature read-out. See table 1 for specified limits. Note: the first over heat cycle temperature may be slightly higher when started from a cold s...
Page 16
Over heat alarm thermostat adjustment warning: improper adjustment of the warming unit’s over heat alarm setpoint could result in patient exposure to temperatures outside of the indicated range, and may lead to patient injury. • closely follow instructions for thermostat adjustment. • dangerous volt...
Page 17
Figure 7. Location of over heat alarm thermostat over heat alarm thermostat access (detail) over heat alarm thermostat adjustment locate the over heat adjustment thermostat (see figure 7). 4. Note: adjustment of the over heat alarm thermostat is most easily done while the temperature read-out is cli...
Page 18
At high, nominal temperature on test kit (°f) ambient room temperature (°c) at high, nominal temperature on test kit (°c) 45 44 43 42 15 16 17 18 19 20 21 22 23 24 25 26 27 normal operating temperature testing warning: perform all testing and adjustments of warming unit temperature with a calibrated...
Page 19
Normal operating temperature testing after correcting for ambient temperature, the tested normal 5. Operating temperature should meet the limits specified in table 2. If the high temperature setting is not within specified 6. Limits, adjust the normal operating temperature. See the normal operating ...
Page 20
Normal operating temperature adjustment warning: improper adjustment of the warming unit’s normal operating temperature could result in patient exposure to temperatures outside of the indicated range, and may lead to patient injury. • closely follow instructions for temperature adjustment. • always ...
Page 21
Figure 9. Location of operating temperature adjustment potentiometer normal operating temperature adjustment insert the slotted screwdriver in the potentiometer access 3. Hole. You must access the potentiometer blindly, so carefully move the screwdriver until it fits into the slot of the potentiomet...
Page 22: Specifications
Specifications physical characteristics dimensions 13 in. High x 10 in. Deep x 11 in. Wide (33 cm high x 25 cm deep x 28 cm wide) weight 11.5 lb (5.2 kg) safety system thermostat bulb and capillary type over heat warning if the temperature gets too high, the over heat warning light on the front pane...
Page 23: Key To Figure 10
Key to figure 10 1 bulb type thermostat 2 hour meter 3 control board 4 thermocouple 5 cabinet 6 top cover 7 base 8 filter, 0.2 micron 9 v- bumper 10 heater housing 11 motor 115v, 60hz 12 heater 120v 14 handle 15 top warning label 16 control board fuse 200ma 17 overtemp switch 18 electrical shield 19...
Page 24
Figure 10. Exploded drawing detail of control board j1 j2 bair hugger model 505 service manual 21.
Page 25
Technical support and customer service united states, worldwide within europe technical service tel: 1-952-947-1200 technical service tel: +49-4154-9934-0 1-800-733-7775 fax: +49-4154-9934-20 order placement tel: 1-952-947-1200 toll-free in germany 0800-100-1236 1-800-733-7775 order placement (usa) ...
Page 26
Figure 11. Service carton returning units for service tools/equipment • arizant healthcare* service carton • tape dispenser • shipping label • marking pen method call technical support (see inside front cover for phone 1. Number) to get a return authorization (ra) number and a service carton. Open t...
Page 27: Troubleshooting
Bair hugger model 505 service manual 24 troubleshooting call technical support for replacement parts problem possible cause remedy; service procedure the warming unit does not turn on. Damaged or unplugged power cord. Replace the cord or plug in the warming unit. Blown power fuses replace the blown ...
Page 28: Maintenance Log
Maintenance log date maintenance action performed hour meter bair hugger model 505 service manual 25.
Page 29
Maintenance log date maintenance action performed hour meter bair hugger model 505 service manual 26.
Page 30
Maintenance log date maintenance action performed hour meter bair hugger model 505 service manual 27.
Page 31: Symbol Definitions
Bair hugger model 505 service manual 28 symbol definitions on/standby on (used on isolation switch) off (used on isolation switch) on/off push button switch temperature control equipotentiality plug (ground) fuse attention (see appropriate documents) dangerous voltage type bf equipment (patient appl...