Probler P2 Trouble Shooting
This article features a selection of common problems applicators have experienced with the Probler P2 spray gun along with the cause and solution.
| SYMPTOM | CAUSE | SOLUTION |
|---|---|---|
| Gun does not actuate when triggered | Air switch assembly is closed | Open |
| Plugged exhaust | Clean air ports in handle | |
| Damaged trigger spool o-rings | Replace |
| SYMPTOM | CAUSE | SOLUTION |
|---|---|---|
| There is no fluid spraying when the gun is fully actuated | Closed fluid valves | Open |
| Plugged impingement ports | Clean | |
| Plugged check valves | Clean |
| SYMPTOM | CAUSE | SOLUTION |
|---|---|---|
| Gun actuates slowly | Plugged exhaust | Clean air ports in handle |
| Damaged piston o-rings | Replace | |
| Dirty air valve, or damaged o-rings | Clean air valve or replace o-rings |
| SYMPTOM | CAUSE | SOLUTION |
|---|---|---|
| There is a leakage between flat tip and mixing chamber | Tip is not seated properly | Reassemble |
| Damaged or missing seal | Replace |
| SYMPTOM | CAUSE | SOLUTION |
|---|---|---|
| There is a pressure imbalance | Plugged impingement ports | Clean |
| Plugged check valves | Clean | |
| Viscosities are not equal | Adjust temperature to compensate |
| SYMPTOM | CAUSE | SOLUTION |
|---|---|---|
| There is A and/or B side fluid in the gun air section | Damaged side seals | Replace |
| Damaged mixing chamber | Replace | |
| Damaged side seal o-rings | Replace |
| SYMPTOM | CAUSE | SOLUTION |
|---|---|---|
| Fluid mist from mix chamber or air cap | Damaged side seals | Replace |
| Damaged mix chamber | Replace | |
| Damaged side seal o-rings | Replace |
| SYMPTOM | CAUSE | SOLUTION |
|---|---|---|
| The fluid does not shut off when fluid valves are closed | Damaged fluid valves | Tighten packing or replace |
| SYMPTOM | CAUSE | SOLUTION |
|---|---|---|
| Burst of air from muffler when gun is triggered | Normal | No action required |
| SYMPTOM | CAUSE | SOLUTION |
|---|---|---|
| Steady air leakage from muffler | Damaged air valve o-rings | Replace |
| Damaged piston o-rings | Replace |
