Micromeritics ASAP 2020 Confirm Operator's Manual page 407

Appendix D
3. Closely inspect the valve seat area for any debris which may cause another leak.
4. Reassemble the valve.
• Reopen the helium supply if you are repairing the helium inlet valve.
• Turn on the vacuum pump system if you are repairing a vacuum valve.
5. Open and close the repaired valve approximately 20 to 30 times; this allows the valve to
seat properly.
6. Evacuate the analyzer until the outgas rate is less than 0.7 mHg per minute. Refer to
Testing Individual Valves
202-42811-01 - Mar 2011
for detailed instructions.
, page D-1
ASAP 2020 Confirm
Gasket
Plunger
D-9