Description

1.  Assess Sampling System’s General Health/Functionality

• Pressures, Temperatures, Flows
• Diluter Orifice Check
• Leak Check
• Ambient Check
• Dilution Factor 1 Check
• Assessment of each Sampling System State
• AVL APC and Micro Soot Sensor Aviation Instrument checks
• Dilute CO2 analyzer (ABB, CAI) zero/span check

2. Preventative Maintenance

• Clean Diluter Orifice
• Replace fan filters
• Replace Back End Box (BEB) Mass Flow controller (MFC)
• Clean/Replace MFC filter
• Calibrate Pressure Sensors and Thermocouples
• ABB/CAI CO2 Linearity Check
• Dilution Factor 1 Check
• AVL APC Preventative Maintenance
• AVL Micro Soot Sensor Preventative Maintenance
• Customer Provides

◊ AVL Specific Parts and PM Kits

◊ Calibrated Reference Pressure Sensors & Thermal Well

◊ Gas divider and NIST traceable CO2 calibration gas (± 1%)

3. Troubleshoot & Repair Sampling System Failures