GPL 750 Weekly Examination Check the odorizer for alarms (e.g., injection rate, solenoid life alarm) Assess the number of Auto Clears used. If half of the Auto Clears were used, search for the [...]
The GPL 750 odorizer is a simple system requiring minimal maintenance; here are the instructions on calibrating the optical comparator.
Instructions on how to calibrate the Servo on the GPL Z9000 natural gas odorization system. Video and manual are available here.