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247901

4-8

Issue 1

March 1998

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Содержание Flowtron AC550

Страница 1: ...247901 Issue 1 Mar 1998 AC550 Flowtron Excel system Service Manual Huntleigh HEALTHCARE...

Страница 2: ...247901 Issue 1 Mar 1998...

Страница 3: ...sions incorporated in this copy of the manual must be recorded below Revision No Issue Date Date Inserted By Signature Remarks 1 03 98 First Issue 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 2...

Страница 4: ...247901 ii Issue 1 March 1998...

Страница 5: ...998 This manual is intended to be used only by qualified Huntleigh Healthcare service technicians In the event that the manual is provided to a customer in response to customer requirements the custom...

Страница 6: ...247901 iv Issue 1 March 1998...

Страница 7: ...NCE 4 1 Servicing Protocol 4 1 Procedure to Remove Top Cover 4 1 General Service Pump 4 2 Pressure Output and Calibration Checks 4 2 Pressure Control Calibration 4 3 Pressure Display Calibration 4 4 C...

Страница 8: ...splay PCB 5 4 Replacing the Electrical Supply On Off Switch 5 4 Replacing the Pressure Control Knob 5 4 Locking Knob Option Part 247087 5 4 Pressure Control Assembly 5 5 Replacing the Pressure Control...

Страница 9: ...2 Operational Maintenance describes both functional and static checks to ensure correct operation during the service life of the system Section 3 Troubleshooting contains tables of fault symptoms pos...

Страница 10: ...econds of deflation The recommended operating pressure is 40 mmHg unless otherwise prescribed by a physician The pump unit is a piece of precision equipment and providing it is handled and properly se...

Страница 11: ...ration and frequency of the garment inflation 3 Pressure Control Valve This sets the maximum pressure that can be delivered to the garments 4 Differential Pressure Transducer This measures the pressur...

Страница 12: ...1 4 Pneumatic Schematic 247901 1 4 Issue 1 March 1998...

Страница 13: ...1 5 Valve Sequence 247901 1 5 Issue 1 March 1998...

Страница 14: ...1 6 Electrical Wiring Schematic 247901 1 6 Issue 1 March 1998...

Страница 15: ...1 7 General Assembly 247901 1 7 Issue 1 March 1998...

Страница 16: ...247901 1 8 Issue 1 March 1998...

Страница 17: ...ting and replace if necessary 3 Check that the control knob is set to the recommended setting of 40 mmHg 4 Check the calibration of the control knob and pressure display In normal operation when the d...

Страница 18: ...247901 2 2 Issue 1 March 1998...

Страница 19: ...ment faults should be checked as below Display Problem Corrective Action 1 Loose fitting garment 2 Hose disconnected at garment 3 Garment leak 4 Low pressure 1 Rewrap snugly 2 Check the hose connectio...

Страница 20: ...will now indicate the actual pressure to 1 mmHg resolution and also display the detailed fault codes Fault codes and counter measures are described in the following table see pages 3 3 and 3 4 3 3 Lo...

Страница 21: ...t connectors Rotary valve failed in the closed position Compressor failure Pressure control valve fault No inflation of both garments 1 normal cycle or power reset F F3 Pressure greater than 72mmHg de...

Страница 22: ...nd period from an initial inflation point of 5 mmHg If 10 similar events are detected in succession on the same output the pump will alarm As each event is detected a Lo message briefly appears on the...

Страница 23: ...using a suitable screwdriver 4 Turn the pump over as one whole unit and then carefully remove the top cover 247901 4 1 Issue 1 March 1998 WARNING Before dismantling the pump unit ensure unit has been...

Страница 24: ...he service record sheet Re assemble pump unit completely run for a minimum of 1 hour and check calibration Adjust if required Note It is important to ensure all tools used for servicing are kept in go...

Страница 25: ...tput port to the same specification 6 Check the air flow of each output Flow specification With control knob set to 40 MmmHg Minimum Flow 6 0 liter per minute free flow With control knob set to Maximu...

Страница 26: ...t service mode as detailed in Section 3 2 This pressure reading will cycle in the same manner as therapy would normally occur Thus the display should show a constantly low reading i e 3 mmHg for appro...

Страница 27: ...and the display changes to C7 7 Apply 70 mmHg to the tubing added earlier and press the Single Leg button ensuring the pump beeps and the display changes to show AS Again wait for approximatley 5 sec...

Страница 28: ...unit upside down on a flat clean surface Remove the rubber feet and unscrew the four self tapping screws Holding the unit in both hands turn it onto its base and carefully remove the lid and place to...

Страница 29: ...f Tubes are fully pushed on and are free from kinks g Tubes and electrical insulation are not damaged h Power switch illuminates i Wiring is tidy j Outlet tubes and connectors are secure and attached...

Страница 30: ...247901 4 8 Issue 1 March 1998...

Страница 31: ...ar Box Assembly This is a sealed unit which cannot be repaired and must be replaced if faulty 1 Remove the main PCB as previously described 2 Unscrew the 2 nylon pillars 3 Disconnect all tubing attach...

Страница 32: ...5 4 Replacing Main PCB or Front Display Panel 247901 5 2 Issue 1 March 1998...

Страница 33: ...5 5 Replacing the Motor Gearbox Assembly 247071 247901 5 3 Issue 1 March 1998...

Страница 34: ...ssure control knob to the maximum position which is the far right of the dial The securing screw is now visible from the bottom access position Unscrew and remove When replacing the knob press down ha...

Страница 35: ...5 10 Pressure Control Assembly 247901 5 5 Issue 1 March 1998...

Страница 36: ...essure control ensuring all tubes are pushed fully onto their mounts 7 Re apply the existing label or apply a new label as appropriate 5 12 Replacing the Connectors Disconnect all tubing from the rele...

Страница 37: ...sounder is firmly attached by applying pressure for 10 seconds Note Sounder clarity and volume are dependant on the quality of this bonding so ensure sounder output is checked by forcing the pump into...

Страница 38: ...247901 5 8 Issue 1 March 1998...

Страница 39: ...2 digit 7 segment red LED that indicates garment pressure in 5 mmHg steps fault conditions HI Lo F Single garment amber LED Power on green illuminated switch and green LED on top panel Fault red LED...

Страница 40: ...247901 6 2 Issue 1 March 1998...

Страница 41: ...t Filter BP044 Filter Inlet 501309 Sponge Strip BP190 Main Printed Circuit Board 247054 Display Printed Circuit Board 247057 Motor Gear Box Assembly 247071 On Off Switch BP006 Connector Assembly 24707...

Страница 42: ...lock BP514 Display Panel 247303 Pressure Control Components Pressure Control Knob 247339 Flowtron Spring PRE028 2 way Mate N Lock Cover 151357 Socket Mate N Lock 151358 Pressure Control Knob locked ve...

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