6
Trouble
Shooting
For repairs beyond the minor adjustments 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 with | 4. | Prime engine as instructed in “Operat- | |
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| primer). |
| ing 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 do | |
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| not prime. | |
| 8. | Fuel valve (if equipped) closed. | 8. | Open fuel valve. See engine manual. | |
| 9. | Engine not choked (if equipped w/choke). | 9. | Choke engine. See engine manual. | |
Engine runs erratic | 1. | Spark plug wire loose. | 1. | Connect and tighten spark 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 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. | |
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Excessive | 1. | Cutting blade loose or unbalanced. | 1. | Tighten blade and adapter. Balance | |
Vibration |
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| 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 (If |
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| until later to cut. | |
2. | Excessively high grass. | 2. | Mow once at a high cutting height, | ||
Equipped) | |||||
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| then mow again at desired height or | ||
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| make a narrower cutting path. | |
| 3. | Dull blade. | 3. | Sharpen or replace blade. | |
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Uneven cut | 1. | Wheels not positioned correctly. | 1. | Place all four wheels in same | |
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| height position. | |
| 2. | Dull blade. | 2. | Sharpen or replace blade. | |
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Mower will not | 1. | Belt not installed properly. | 1. | Check belt for proper pulley installation | |
self propel |
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| and movement. | |
2. | Debris clogging drive operation. | 2. | Stop engine, disconnect spark plug | ||
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| wire and clean out debris. | |
| 3. | Damaged or worn belt. | 3. | Inspect and replace belt. | |
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12
