 |
| TROUBLE |
POSSIBLE CAUSES |
POSSIBLE SOLUTIONS |
| 37.
Cratering.
|
1.
Contamination with other powder (based on other raw materials).
|
1.
Clean up the installation; if necessary contact your powder supplier.
|
| |
2.
Bad pretreatment with e.g. remaining greases. |
2.
Check pretreatmet and if necessary contact pretreatment supplier.
|
| |
3.
Contamination with incompatible materials from the spraying area as e.g. silicones. |
3.
Check the presence of incompatible materials; if necessary clean up the installation and contact your powder supplier.
|