Test Peep Valve - GE Aespire 7100 Technical Reference Manual

4.10.12
Test PEEP Safety
Valve
4 Tests and Calibration
Th is test requires an active drive gas supply.
To TesU
fJ
e PEEP Safety Valve the
so伽are
opens the PEEP Safety Valve and checks the
output ofthe Supply Pressure Switch.
•
Ifthe Supply Pressure Switch detects pressure , the PEEP Safety Valve test
pa臼es.
• If the Supply Pressure Switch does not detect
pressure ，由 e
PEEP Safety Valve
testfails.
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Remarks A failure can be caused either by the control circuit or a PEEP Safety Valve malfunction.
Mll10140 08/07
To check the control circuit
,
1. Go to the .Valves - Tes
tT
ool" menu.
\lat.-
es -
Te拭 Tool
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2. Set the PEEP Safety Valveω.Open" and listen for a .click" in the area ofthe
pneumatic engine.
3. If you do not hear a .click" each time the PEEP Safety Valve is opened , the control
circuit to the PEEP Safety Valve is open or the PEEP Safety Valve is defective.
4. Measure the resistance between 由e open terminals of the PEEP Safety Valve
(white). A multimetershould read 10
:t
1 ohm.
牛37