This article features a selection of common foam equipment related problems along with the cause and solution. Make sure your equipment is operating correctly and you are getting the best quality and yield from your foam.
SYMPTOM | CAUSE | SOLUTION |
---|---|---|
White spray and/or soft foam | Restriction | If high pressure on Isocyanate pressure gauge check between gun and console |
Starvation | Check from console to material supply system | |
Alternate white bursts and/or soft foam | Intermittent starvation | Check pumps on Isocyanate side |
SYMPTOM | CAUSE | SOLUTION |
---|---|---|
Dark spray and/or brittle foam | Restriction | If high pressure on Polyol pressure gauge check between gun and console |
Starvation | Check from console to material supply system | |
Alternate dark bursts and/or brittle foam | Intermittent starvation | Check pumps on Polyol side |
SYMPTOM | CAUSE | SOLUTION |
---|---|---|
Stream of material not a spray and/or foam not fully expanded | Incorrect setting | Increase as necessary |
Electrical fault | Troubleshoot electrically |
SYMPTOM | CAUSE | SOLUTION |
---|---|---|
Popcorn appearance on foam surface | Incorrect setting | Reduce as necessary |
Electrical fault | Troubleshoot electrically |
SYMPTOM | CAUSE | SOLUTION |
---|---|---|
Large droplets, small spray pattern and/or Foam not fully expanded | Incorrect setting | Increase pressure at proportioning unit |
Starvation | Check from console to material supply system | |
Pump fault | Repair as necessary |