6
Trouble
Shooting
For repairs beyond
the minor adjust- ments listed here, contact an authorized service dealer.
Problem |
| Cause |
| Remedy |
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Engine fails to start | 1. | Blade control disengaged. | 1. | Engage blade control. |
| 2. | Spark plug wire disconnected. | 2. | Connect wire to spark plug. |
| 3. | Fuel tank empty or stale fuel. | 3. | Fill tank with clean, fresh gasoline. |
| 4. | Engine not primed (if equipped). | 4. | Prime engine as instructed in |
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| “Operating Your Lawn Mower”. |
| 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 |
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| do not prime. |
| 8. | Burnt fuse. (Electric Start Only) | 8. | Replace fuse (see Maintenance |
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| section) |
Engine runs erratic | 1. | Spark plug wire loose. | 1. | Connect and tighten spark |
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| plug wire. |
| 2. | Blocked fuel line or stale fuel. | 2. | Clean fuel line; fill tank with clean, |
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| fresh gasoline. |
| 3. | Vent in gas cap plugged. | 3. | Clear vent. |
| 4. | Water or dirt in fuel system. | 4. | Drain fuel tank. Refill with |
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| fresh fuel. |
| 5. | Dirty air cleaner. | 5. | Refer to engine manual. |
| 6. | Carburetor out of adjustment. | 6. | Refer to engine manual. |
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Engine overheats | 1. | Engine oil level low. | 1. | Fill crankcase with proper oil. |
| 2. | Air flow restricted. | 2. | Remove blower housing |
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| and clean. |
| 3. | Carburetor not adjusted properly. | 3. | Refer to engine manual. |
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Occasional skips | 1. | Spark plug gap too close. | 1. | Adjust gap to .030”. |
(hesitates) at | 2. | Carburetor idle mixture adjustment | 2. | Refer to engine manual. |
high speed |
| improperly set. |
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Idles poorly | 1. | Spark plug fouled, faulty or gap | 1. | Reset gap to .030” or replace |
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| too wide. |
| spark plug. |
| 2. | Carburetor improperly adjusted. | 2. | Refer to engine manual. |
| 3. | Dirty air cleaner. | 3. | Refer to engine manual. |
Excessive | 1. | Cutting blade loose or unbalanced. | 1. | Tighten blade and adapter. |
Vibration |
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| Balance blade. |
| 2. | Bent cutting blade. | 2. | See an authorized service dealer. |
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Mower will not | 1. | Wet grass. | 1. | Do not mow when grass is wet; wait |
mulch grass |
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| until later to cut. |
| 2. | Excessively high grass. | 2. | Mow once at a high cutting height, |
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| then mow again at desired height or |
| 3. | Dull blade. |
| make a narrower cutting path. |
| 3. | Sharpen or replace blade. | ||
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Uneven cut | 1. | Dull blade. | 1. | Sharpen or replace blade. |
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Mower will not | 1. | Belt not installed properly | 1. | Check belt for proper pulley instal- |
self propel | 2. | Debris clogging drive operation. |
| lation and movement. |
| 3. | Damaged or worn belt. | 2. | Stop engine, disconnect spark plug |
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| wire, and clean out debris. | ||
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| 3. | Inspect and replace belt. |
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14
