TROUBLESHOOTING CHART
Troubleshooting Chart - Gasoline Powered Pressure Washers Only
| Symptom |
| Possible Cause(s) |
| Corrective Action(s) |
|
|
|
|
|
|
| Engine will not start | 1. | No gasoline in fuel tank or | 1. | Fill the tank with gasoline,open fuel |
| or is hard to start |
| carburetor |
| shut off valve. Check fuel line and |
|
| 2. | Low oil |
| carburetor |
|
| 2. | Check oil level. Fill if necessary | ||
|
| 3. | Start/Stop switch in stop position | 3. | Move switch to start position |
|
| 4. | Water in gasoline or old fuel | 4. | Drain fuel tank and carburetor. Use new |
|
| 5. | Dirty air cleaner filter |
| fuel and dry spark plug |
|
| 5. | Remove and clean or replace | ||
|
| 6. | Spark plug dirty, wrong gap or | 6. | Clean, adjust the gap, or replace |
|
|
| wrong type |
|
|
|
| 7. | Spray gun closed | 7. | Trigger spray gun |
|
| 8. | Other causes | 8. | See engine owner’s manual |
|
|
|
|
|
|
| Engine misses or | 1. | Partially plugged air cleaner filter | 1. | Remove and clean or replace |
| lacks power | 2. | Spark plug dirty, wrong gap or | 2. | Clean, adjust the gap, or replace |
|
|
| wrong type | 3. | Drain fuel and carburetor. Use new |
|
| 3. | Bad Fuel |
| fuel. |
|
|
|
|
|
|
| Low pressure and/or | 1. | Worn or wrong size tip | 1. | Replace with tip of proper size |
| pump runs rough | 2. | Inlet filter on pump clogged | 2. | Clean. Check more frequently |
|
| 3. | Worn water seals, abrasives in | 3. | Check filter. Replace water seals. See |
|
|
| water, or natural wear |
| service center |
|
| 4. | Fouled or dirty inlet or discharge | 4. | Clean inlet and discharge valve |
|
|
| valves |
| assemblies. Check filter |
|
| 5. | Restricted inlet | 5. | Check garden hose, may be collapsed or |
|
| 6. | Worn inlet or discharge valves |
| kinked. Check inlet water flow |
|
| 6. | Replace worn valves | ||
|
| 7. | Leaking high pressure hose | 7. | Replace high pressure hose |
|
| 8. | Pump drawing in air | 8. | Ensure hoses and fittings are tight |
|
| 9. | Unloader valve seat faulty or worn | 9. | Check and replace |
|
| 10. | Inlet water temperature too high | 10. | Check water temperature; may not |
|
|
|
|
| exceed 100° F / 38° C |
|
|
|
| ||
| Water leakage from | Worn water seals | Install new water seals. See service center | ||
| under pump |
|
|
|
|
| manifold |
|
|
|
|
|
|
|
|
|
|
| Water in pump | 1. | Humid air condensing inside | 1. | Change oil as specified in maintenance |
| crankcase (milky oil) |
| crankcase |
| schedule |
|
| 2. | Oil seals leaking | 2. | Install new oil seals. See service center |
|
| 3. | Water seals leaking | 3. | Install new water seals. See service |
|
|
|
|
| center |
|
|
|
|
|
|
| Frequent or | 1. | Scored damaged or worn plungers | 1. | Install new plungers. See service center |
| premature failure of | 2. | Abrasive material in the fluid | 2. | Install proper filtration on pump inlet |
| the pump water |
|
|
| plumbing |
| seals | 3. | Inlet water temperature too high | 3. | Check water temperature; may not |
|
| 4. | Overpressurizing pump |
| exceed 100° F / 38° C |
|
| 4. | DO NOT modify any factory set | ||
|
| 5. | Excessive pressure due to partially |
| adjustments |
|
| 5. | Clean or replace tip | ||
|
|
| plugged or damaged tip |
|
|
|
| 6. | Pump running too long without | 6. | NEVER run pump more than 2 minutes |
|
|
| spraying |
| without spraying |
|
| 7. | Pump running dry | 7. | DO NOT run pump without water |
|
|
|
| ||
| Strong surging at | Foreign particles in the inlet or | Clean or replace valves. See service center | ||
| the inlet and low | discharge valve or worn inlet and/or |
|
| |
| pressure | discharge valves |
|
| |
20 — English
