Chapter 10: maintenance, Overview, Preventive maintenance – RKI Instruments Digester Gas Monitor User Manual
Page 84
78 • Overview
Digester Gas Monitor Operator’s Manual
Chapter 10: Maintenance
Overview
This chapter describes preventive maintenance procedures for the Digester Gas Monitor
and replacement procedures for the sensors, the air filter, the hydrophobic filter, the oil
mist filter, the water trap filter element, and the AC fuses. It includes a troubleshooting
guide for problems you may encounter with the Digester Gas Monitor.
Preventive Maintenance
Preventive maintenance of the Digester Gas Monitor consists of monthly procedures to
ensure that the flow system is operating correctly and quarterly calibrations.
Monthly
1.
Visually inspect the air filter, the hydrophobic filter, the oil mist filter, the water trap filter
element, and the dryer for signs of dirt or particulates.
2.
Visually inspect all flowmeters and ensure that they are reading the appropriate flow
as outlined in Table 5 on page 34.
3.
Visually inspect the sample inlet to be sure that nothing is blocking it or adhering to it.
Quarterly
1.
Perform a calibration as described in “Performing a Calibration” on page 63.