| No Drip Rate | Oil adjustment knob fully
clockwise | Readjust knob. |
| Low oil level | Check oil level. |
Airflow through lubricator too
low | Use smaller size lubricator.
Remove bowl and sight feed
adjustment dome and clear
syphon tube. |
| Blocked oil filter screen | Remove sight feed adjustment
dome and clean or replace
screen located in dome
assembly. |
| Air leaks | Check bowl, filler plug and
sight dome seals. Tighten if
necessary. |
| Oil Foaming | Over aeration | Check bowl seals for slight
leaks. |
| Oil Emulsified | Water in lubricator | Fit filter immediately upstream. |
| Drip Rate changes after setting | Fade | Readjust drip rate. |