Positive Low-Pressure Leak Test - GE 9100c Technical Reference Manual

WARNING
3.9.2 Positive low-
pressure leak test
CAUTION
With ACGO
M1207026
M1207027
Reproduced from the electronic master in MATRIX
Agent mixtures from the low-pressure leak test stay in the
system. Always flush the system with O
pressure leak test (1 L/min for one minute).
Turn off all vaporizers at the end of the low-pressure leak
test.
7. Flush the system with O
• Set the O flow to 1 L/min.
2
• Continue the O
• Turn the O flow control fully clockwise (closed).
2
Do the positive pressure leak test at the common gas
outlet only.
1. Set the ACGO selector switch to ACGO.
2. Turn all flow controls fully clockwise (closed).
3. Using the positive pressure leak test adapter, connect the
positive low-pressure leak test device to the ACGO outlet. Push
the adapter into the ACGO outlet throughout the test to get a
good seal.
Leak Test Adapter
Test Device
(Top View)
4. Keep the flowmeter of the test device vertical for accurate results.
5. Fully open the needle valve on the test device
(counterclockwise).
004 MANUAL−DOC, Technical Reference Manual, Technical Reference Manual for 9100c, English
3 Checkout Procedure
after the low-
2
:
2
flow for one minute.
2
Test Adapter
(Front View)
3-15