| Usually
caused by |
Cured
by |
|
Air pressure too high. |
Adjust air pressure. |
|
Wax pot low on wax. |
Add wax. Be sure that wax pot
is more than ½ full. |
|
Wax too hot or cold. |
Adjust temperature and stir wax to
release trapped air. |
|
Mould held at wrong angle to
nozzle. |
Hold mould on same plane as nozzle. |
|
|
|