20180719 LT site visit

Alarms:
42C (top) NO-NO2-NOx alarm:
1. Converter temp low, 0 C/300 C minimum
42i-TL NO-NO2-NOx alarms:
1. Low pressure: 147 mmHg/200 mmHg minimum
2. Low flow: 0.702 L/min / 0.750 L/min minimum
42C (bottom) NO-NO2-NOx alarms:
1. Converter temp low, 0 C/300 C minimum
2. Sample flow low: 0.156 LPM/ 0.200 LMP minimum

Cylinder pressures:
CO2: 2.076%, 2000 psig
NO: 4.95 ppm, 500 psig
CO: 25.90 ppm, 1750 psig
NO2: 4.91ppm, 1740 psig

-Changed particle sample filers
-Cleaned cooling fan filters
-Checked the compressor drain
-Checked anemometer for bad bearings
-Checked vacuum pumps for chafing tubing
-Checked that molybdenum NOy converter temp is holding at 320 C
-Replaced IR sensor in CO instrument
-Replaced O3 flow sensor