| 1. |
Feeder |
- Foreign
matter or contamination in the forehearth channel
- Cold
glass on the feeder plunger or channel walls
- Not
enough heat around the plunger
- Plunger
too low or too high over the orifice ring
- Plunger
rubbing on the sides of the orifice ring
- Shears
cutting too close to the plunger
- Orifice
ring too large for the gob weight
- Point
of the plunger is worn
|
|
| 1. |
Feeder |
- Drain
the forehearth channel
- Increase
the fire in the spout
- Raiser
or lower plunger height and correct gob weight and shape
(may need to change orifice ring)
- Centralize
the plunger
- Lower
the shear height
- Change
orifice ring to a smaller one
- Change
the feeder plunger
|
|