Troubleshooting
Troubleshooting
Problem | Cause | Solution | |
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Gas engine pulls hard | Hydraulic pressure is too high. | Turn hydraulic pressure knob counterclockwise to | |
(won't start). |
| lowest setting. | |
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Engine won't start. | Engine switch is OFF. | Turn engine switch ON. | |
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| Engine is out of gas. | Refill gas tank. Honda Engines Owner's Manual. | |
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| Engine oil level is low. | Try to start engine. Replenish oil, if necessary. | |
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| Honda Engines Owner's Manual. | |
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| Spark plug cable is disconnected or damaged. | Connect spark plug cable or replace spark plug. | |
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| Cold engine. | Use choke. | |
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| Fuel shutoff lever is OFF. | Move lever to ON position. | |
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| Oil is seeping into combustion chamber. | Remove spark plug. Pull starter 3 to 4 times. | |
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| Clean or replace spark plug. Start engine. Keep | |
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| sprayer upright to avoid oil seepage. | |
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Engine operates, but dis- | Pump valve is OFF. | Turn pump valve ON. | |
placement pump does |
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Pressure setting is too low. | Turn pressure adjusting knob clockwise to | ||
not operate. | |||
| increase pressure. Manual 311018. | ||
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| Fluid filter (11) is dirty. | Clean filter. | |
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| Tip or tip filter is clogged. | Clean tip or tip filter. Manual 311254. | |
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| Displacement pump piston rod is stuck due to | Repair pump. Manual 311845. | |
| dried paint. |
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| Belt worn, broken or off pulley. | Replace. | |
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| Hydraulic fluid too low. | Shut of sprayer. Add fluid*. | |
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| Hydraulic motor not shifting. | Set pump valve OFF. Turn pressure down. Turn | |
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| engine OFF. Pry rod up or down until hydraulic | |
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| motor shifts. | |
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* Check hydraulic fluid level often. Do not allow it to become too low. Use only Graco approved hydraulic fluid, page 7.
8 | 313776G |