|
Cause
|
Comments
|
Recommendations
|
Location
|
|
Excess nonvolatile material
|
Grease, oil, tar, fatty acids, dye, etc. |
Add sufficient filter aids and/or distill on the basis of 4 to 6 gals/100 lbs of clothes cleaned |
Rinse solvent
|
|
Activated carbon
|
May be due to a hole in the filter screen, improper precoating, or a defective cartridge
|
Circulate solvent inventory through repaired and properly coated filter elements. Replace cartridge. |
Rinse solvent
|
| Excess moisture See Excess Water |
High relative humidity of water leaks in equipment |
Make needed repairs. To rid system of excess moisture run load of dried cottons through cleaning cycle. |
Wash solvent |
| Inadequate classification |
Affects cotton the most, wool and silk the least |
Clean light cottons with either light colored silk or wools |
|
|
Low detergent concentration
|
Not checked recently |
Check detergent concentration and adjust
|
Wash solvent
|
|
Plugged filter
|
Usually caused by excess moisture, nonvolatile material, and/or inadequate or infrequent additions of filter powder |
Drop cake and recoat filter elements. Replace cartridge . |
Rinse solvent
|
|
Poor solvent circulation
|
See Insufficient Flow of Solvent
|
See Insufficient Flow of Solvent
|
Rinse solvent
|
|
Static
|
Attracts certain types of soil
|
See Graying
|
|
