 |
| TROUBLE |
POSSIBLE CAUSES |
POSSIBLE SOLUTIONS |
| 31.
Insufficient wrap-around.
|
1.
Poor electrostatic charging of the powder.
|
1a.
Adjust level of electrostatic kilovoltage. (Increase). If not possible, check equipment and guns according to instructions of the equipment supplier. |
| |
|
1b.
Check for broken electrodes on the spray gun. If found, replace electrodes. |
| |
|
1c.
Check for possible frictional transport through powder hose. If evident, consult powder supplier for hose material recommendation. |
| |
2.
Insufficient ground contact. |
2.
Check the ground contacts using a suitable resistance measuring device. Correct and insure sufficient earth to ground control. |
| |
3.
Output of powder too low. |
3.
Refer to problem A.
|
| |
4.
Using an unsuitable powder type. |
4.
Contact your powder supplier. |