Troubleshooting
Troubleshooting
WARNING
Read Electric Shock Warning, page 3, Burn Hazard Warning, page 4 and Pressure Relief Procedure, page 8.
Problem |
| What To Check | What To Do |
| (If check is OK, go to next check) | (When check is not OK, refer to this column) | |
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Motor Won’t Operate |
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Basic Fluid Pressure | 1. | Pressure control knob setting. | Slowly increase pressure setting to see if motor |
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| Motor will not run if set at mini- | starts. |
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| mum (fully |
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| 2. | Spray tip or fluid filter may be | Relieve pressure, page 8. Then clear clog or |
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| clogged. | clean gun filter. Refer to gun instruction manual, |
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| 309639. |
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Basic Mechanical | 1. | Pump frozen or hardened paint | Thaw sprayer if water or |
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| frozen in sprayer. Place sprayer in warm area to |
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| thaw. Do not start sprayer until thawed com- |
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| pletely. If paint hardened (dried) in sprayer, |
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| replace pump packings. See page 14, Dis- |
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| placement Pump Replacement. |
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| 2. | Displacement pump connecting | Push pin into place and secure with spring |
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| rod pin. Pin must be completely | retainer. See page 14, Displacement Pump |
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| pushed into connecting rod and | Replacement. |
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| retaining spring must be firmly in |
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| groove or pump pin. |
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| 3. | Motor. Remove drive housing | Replace motor if fan won’t turn. See page 27, |
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| assembly. See page 16, Drive | Motor Replacement. |
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| Housing Replacement. Try to |
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| rotate fan by hand. |
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10 | 310824D |