Troubleshooting | 9 |
| |
|
|
Problem |
| Cause |
| Remedy |
|
|
|
|
|
Engine fails to start | 1. | PTO engaged. | 1. | Place PTO knob in disengaged (OFF) position. |
| 2. | Parking brake not engaged. | 2. | Engage parking brake. |
| 3. | Spark plug wire(s) disconnected. | 3. | Connect wire(s) to spark plug(s). |
| 4. | Throttle control lever not in correct starting | 4. | Place throttle lever in the fast position. |
|
| position. |
|
|
| 5. | Fuel tank empty, or stale fuel. | 5. | Fill tank with clean, fresh (less than 30 days |
|
|
|
| old) gas. |
| 6. | Blocked fuel line. | 6. | Clean fuel line and replace fuel filter. |
| 7. | Air or Water is in the fuel sytem. | 7. | Pump the manual prime on the fuel pump. |
| 8. | Faulty spark plug(s). | 8. | Clean, adjust gap or replace plug(s). |
| 9. | Defective starter solenoid. | 9. | Replace the solenoid. |
| 10. Engine flooded. | 10. Crank engine with throttle in FAST position. | ||
|
|
|
|
|
Engine difficult to start | 1. | Plugged fuel filter. | 1. | Clean the fuel filter. |
| 2. | Engine oil viscosity too heavy. | 2. | Replace the oil with the proper viscosity. |
| 3. | Loose or corroded electrical connections. | 3. | Tighten and/or clean electrical connections. |
| 4. | Stale or improper fuel. | 4. | Fill tank with clean, fresh (less than 30 days |
|
|
|
| old) gas. |
|
|
|
|
|
Engine misses under load | 1. | Stale or dirty fuel. | 1. | Fill tank with clean, fresh (less than 30 days |
|
|
|
| old) gas. |
| 2. | Plugged fuel filter. | 2. | Clean the fuel filter. |
|
|
|
|
|
Engine vapor locks | 1. | Poor quality fuel. | 1. | Fill tank with clean, fresh (less than 30 days |
|
|
|
| old) gas. |
| 2. | Fuel tank vent plugged. | 2. | Clear tank vent. |
| 3. | Dirt in fuel filter. | 3. | Clean and/or replace fuel filter. |
|
|
|
|
|
Engine runs unevenly | 1. | Loose electrical connections. | 1. | Tighten electrical connections. |
| 2. | Throttle cable sticking. | 2. | See an authorized service dealer. |
| 3. | Fuel line or fuel filter plugged. | 3. | Clear the fuel line and/or clean the fuel filter. |
| 4. | Stale or dirty fuel. | 4. | Fill tank with clean, fresh (less than 30 days |
|
|
|
| old) gas. |
| 5. | Improper fuel. | 5. | Replace the fuel with the proper fuel. |
| 6. | Air cleaner clogged. | 6. | Clean or replace the air cleaner. |
|
|
|
|
|
Engine overheats | 1. | Engine oil level low. | 1. | Fill crankcase with proper amount and |
|
|
|
| weight of oil. |
| 2. | Air flow restricted. | 2. | Clean grass clippings and debris from around |
|
|
|
| the engine’s cooling fins and blower housing. |
|
|
|
|
|
Engine hesitates at high | 1. | Spark plug(s) gap too close. | 1. | Remove spark plug(s) and reset the gap. |
RPM |
|
|
|
|
|
|
|
|
|
41