|
| Troubleshooting | |
|
|
| |
Problem | Cause | Solution | |
|
|
| |
|
|
| |
Material runs out of bottom of sprayer | RotoFlex HD Pump worn out | Replace hose. | |
|
|
| |
| Loose fittings | Check and retighten all fittings. | |
|
|
| |
No air from compressor | Gun air valve closed | Open gun air valve. | |
|
|
| |
| Gun needle plugged | Clean needle and retry. | |
|
|
| |
| Lines not connected | Check all quick disconnect connec- | |
|
| tions to gun and hoses. | |
|
|
| |
| Damaged hose | Replace hose. | |
|
|
| |
| Worn compressor | Service compressor. Contact a quali- | |
|
| fied Graco Service Center. | |
|
|
| |
Speed of application too slow | Material too thick | Thin material. | |
|
|
| |
| Nozzle too small | Change nozzles to a larger size. See | |
|
| Operation Manual, Recommended | |
|
| Nozzle Selection Chart, page 20. | |
|
|
| |
Speed of application too slow (cont.) | Flow control set too low | Increase flow control setting | |
|
|
| |
| Plugged or dirty gun | Relieve Pressure, page 7. Clean | |
|
| gun. | |
|
|
| |
| Kinked hose | Unkink hose. | |
|
|
| |
| Gun fluid flow adjustment set too low | Increase flow adjustment with flow | |
|
| adjustment nut. | |
|
|
| |
Intermittent flow/sputtering or air in | Hopper connection not tight | Check gasket. TIghten connection. | |
material |
|
| |
Debris in system | Clean | ||
| |||
|
|
| |
Air quick disconnect does not stay | Dirty or corroded fitting | Clean thoroughly. Soak in oil. Apply a | |
connected. |
| few drops of light oil. | |
|
|
| |
Gun will not shut off | Worn nozzle or needle. | Relieve Pressure, page 7. Replace | |
|
| worn parts. | |
|
|
| |
| Debris in needle passage | Relieve Pressure, page 7. Clean. | |
|
|
| |
Fluid leaking at Flow Adjustment Nut | Damaged seal. | Relieve Pressure, page 7. Replace | |
|
| seal. | |
|
|
| |
Needle adjustment won’t adjust | Dirty threads | Clean threads | |
|
|
| |
| Nozzle not on gun | Put nozzle on gun | |
|
|
| |
| Flow nut set to maximum adjustment | Turn flow nut adjustment the other | |
|
| way | |
|
|
|
28 | 310645H |