Fillpipe Restrictor: Testing and Inspection
Fill Pipe Restrictor:
Use dowel gauge to check restrictor opening [1].
Inspect for; tampering, broken flapper, excessive wear etc..
Remarks
[1] N&W Manufacturing part number ---> FRG-95, or equivalent, (must be made of non-sparking material, 1552 alloy suggested).
- Minimum tool diameter 0.9375"
- Maximum tool diameter 0.9500"