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Troubleshooting
309856P 31
Loss of round pattern. Dirty CeramTip (40). Clean, page 26.
Too little cleanoff air. Readjust, page 13.
Loss of flat pattern. Plugged CeramTip (40). Clean in compatible solvent.
Worn CeramTip (40). Replace, page 34.
Pressure imbalance. Plugged impingement ports. Clean, page 23. Reinstall mix mod-
ule, page 38.
Plugged check valves (36). Clean, page 41.
Viscosities not equal. Adjust temperature to compensate.
Fluid mist from CeramTip. Worn mix module (39). Replace, page 38.
Worn front rod seal (46). Replace, page 40.
Excessive overspray. Too much cleanoff air. Reduce, page 13.
Rapid buildup of material on air cap. Too little cleanoff air. Increase, page 13.
Fluid does not shut off when fluid
valves are closed.
Damaged fluid valves (12b). Replace.
Reduced cleanoff air. Plugged air passage. Open.
Air leakage around fluid housing. Damaged or missing o-ring (20). Replace.
Air leakage from piston safety lock. Damaged or missing o-rings (18). Replace, page 42.
Burst of air from muffler when gun is
triggered.
Normal. No action required.
Steady air leakage from muffler. Damaged air valve o-rings (24) Replace, page 44.
Damaged piston o-rings (16, 19). Replace, page 42.
Air leakage from front air valve. Damaged air valve o-rings (24). Replace, page 44.
Component B (resin) leak from fluid
housing.
Worn rear rod seal. Adjust Rear Rod Seal, page 29.
PROBLEM CAUSE SOLUTION