What type of servicing did this Fisher guys to the Fisher Valve?
- Collect the machining coupling from the machine shop
 - Remove actuator
 - Install new actuator on the valve
 - Set the tubing and fittings
 - Valve calibration
 - Mount the volume tank near to the wall support
 - Perform calibration and fine tuning on the volume booster
 - Result satisfactory. Stroking speed up to 2 seconds
 
This is the thing they puton their report. Looks weired.... Mmm... Anyway, the valve can operate smoothly.