TROUBLESHOOTING
NOTICE: See parts list to identify parts referred to in these Troubleshooting steps.
| Defective Pattern | Likely Cause | Suggested Remedy |
A. |
| Dried material is clog- | Soak |
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| ging | clean clog. DO NOT poke any |
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| causing | opening with hard objects. |
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| to blow spray towards |
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| the clogged side |
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B. |
| Dried material at fluid | Remove air nozzle. Wipe off fluid |
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| nozzle “C” restricts air | tip using a cloth soaked in thinner |
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| flow | or by soft brush |
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| Loose air nozzle | Fasten nozzle securely |
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| Air pressure set too | Reduce air pressure |
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| high |
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C. | Spitting, irregular | Fluid nozzle cracked or worn | Tighten or replace |
| or fluttering spray | Leak at thread of fluid nozzle | Tighten fluid nozzle |
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| Leak at fluid needle | Tighten compression nut |
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| assembly or replace needle |
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| packing |
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| Needle packing worn out | Replace packing |
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| Insufficient fluid in cup | Fill cup with fluid |
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| Vent hole in container cover | Clean Out |
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| clogged |
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D. | Split spray pattern | Air pressure too high | Turn pattern control knob |
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| clockwise to decrease fan width. |
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| Turn fluid needle adjusting nut |
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| counterclockwise to increase fluid |
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| flow |
E. | Unatomized or | Material too heavy | Thin material or use larger orifice |
| spattered spray |
| fluid nozzle set |
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| Insufficient air pressure | Increase pressure to within limit |
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| Fluid pressure too high | Reduce pressure |
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| Dried material on tip of fluid noz- | Clean |
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| zle or air jets of air cap |
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F. | Inadequate air de- | Air needle partially closed | Open control knob |
| livery | Dried material in air jets or air cap | Clean |
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| Obstruction in air line |
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G. | Excessive fog | Air pressure to high for viscosity | Remove obstruction |
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| of fluid | Reduce air pressure and/or open |
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| fluid control knob |
H. | Material leaking | Loose cup or foreign substances | Tighten and clean or replace it |
| from fluid inlet of | on/between cup thread and fluid |
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| cup. | inlet |
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I. | Material leaking | Worn fluid needle | Replace |
| from nozzle when | Dried material in tip of nozzle | Clean |
| trigger is released | Loose packing nut | Tighten needle packing nut by |
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| turning counterclockwise |
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D25799 | 6- ENG |