Unscrew and remove securing nuts on side of compressor casing. Remove
valve body from compressor body.
Replacement is reverse of above procedure.
Note that the compressor can be replaced as a complete assembly if required.
Disconnect the silencer bag outlet tubes from the four-way connector.
Disconnect the compressor electrical leads from the terminal block main PCB.
4.6
General Checks
Check in the pump:
a)
Base is free from any form of debris
b)
Filter sponge position
c)
Compressor seating position
d)
Electrical connections are secure and completely insulated
e)
Pressure control knob is tight
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 correctly
4.7
Electrical Safety Checks
After carrying out any major repair work or after servicing the equipment, the
following test procedures should be carried out.
4.7.1
Ground continuity test
If applicable, check the integrity of the bond between the ground pin on the cord
plug and grounded dead metal parts in the pump.
The bond resistance should be not more than 0.2 ohms.
4.7.2
Leakage current test
Measure the risk currents in accordance with the AAMI American National
Standard “Safe Current Limits for Electromedical Apparatus” or as specified in
UL 544.
247901
4-7
Issue 1
March 1998
Содержание Flowtron AC550
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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...
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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 35: ...5 10 Pressure Control Assembly 247901 5 5 Issue 1 March 1998...
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