Troubleshooting | 9 |
| |
|
|
Problem |
| Cause |
| Remedy |
|
|
|
|
|
|
|
|
|
|
Engine Fails to start | 1. | Blade control disengaged. | 1. | Engage blade control. |
| 2. | Spark plug boot disconnected. | 2. | Connect wire to spark boot. |
| 3. | Fuel tank empty or stale fuel. | 3. | Fill tank with clean, fresh gasoline. |
| 4. | Engine not primed (if equipped with primer). | 4. | Prime engine as instructed in the Operation |
|
|
|
| section. |
| 5. | Faulty spark plug. | 5. | Clean, adjust gap, or replace. |
| 6. | Blocked fuel line. | 6. | Clean fuel line. |
| 7. | Engine flooded. | 7. | Wait a few minutes to restart, but do not |
|
|
|
| prime. |
| 8. | Fuel valve (if equipped) closed. | 8. | Open fuel valve. See engine manual. |
| 9. | Engine not choked (if equipped with choke). | 9. | Choke engine. See engine manual. |
| 10. Burnt fuse. (Electric Start only) | 10. Replace fuse (see Service Section). | ||
|
|
|
|
|
Engine runs erratic | 1. | Spark plug boot loose. | 1. | Connect and tighten spark plug boot. |
| 2. | Blocked fuel line or stale fuel. | 2. | Clean fuel line; fill tank with clean, fresh |
|
|
|
| gasoline. |
| 3. | Vent in gas cap plugged. | 3. | Clear vent. |
| 4. | Water or dirt in fuel system. | 4. | Drain fuel tank. Refill with fresh fuel. |
| 5. | Dirty air cleaner. | 5. | Refer to engine manual. |
| 6. | Unit running with CHOKE (if equipped) | 6. | Push CHOKE knob in. |
|
| applied. |
|
|
|
|
|
|
|
Engine overheats | 1. | Engine oil level low. | 1. | Fill crankcase with proper oil. |
| 2. | Air flow restricted. | 2. | Clean area around and on top of engine. |
|
|
|
|
|
Occasional skips | 1. | Spark plug gap too close. | 1. | Adjust gap to .030”. |
(hesitates) at |
|
|
|
|
high speed |
|
|
|
|
|
|
|
|
|
Idles poorly | 1. | Spark plug fouled, faulty, or gap too wide. | 1. | Reset gap to .030” or replace spark plug. |
| 2. | Dirty air cleaner. | 2. | Refer to engine manual. |
|
|
|
|
|
Excessive Vibration | 1. | Cutting blade loose or unbalanced. | 1. | Tighten blade and adapter. Balance blade. |
| 2. | Bent cutting blade. | 2. | See an authorized service dealer. |
|
|
|
|
|
Mower will not | 1. | Wet grass. | 1. | Do not mow when grass is wet; wait until |
mulch grass |
|
|
| later to cut. |
| 2. | Excessively high grass. | 2. | Mow once at a high cutting height, then |
|
|
|
| mow again at desired height or make a |
|
|
|
| narrower cutting path. |
| 3. | Dull blade. | 3. | Sharpen or replace blade. |
|
|
|
|
|
Continued on next page
22