Problem |
| Cause |
| Remedy |
|
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|
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|
Engine fails to start | 1. | Choke not in ON position. | 1. | Move choke to ON position. |
| 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. | 4. | Prime engine as instructed in |
|
|
|
| “Operating Your Snow Thrower”. |
| 5. | Faulty spark plug. | 5. | Clean, adjust gap, or replace. |
|
|
| ||
| 6. | Blocked fuel line. | 6. | Clean fuel line. |
|
|
| ||
| 7. | Safety key not in ignition on engine. | 7. | Insert key fully into the switch. |
|
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| ||
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|
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|
|
Engine runs erratic | 1. | Unit running on CHOKE. | 1. | Move choke lever to OFF position. |
| 2. | Blocked fuel line or stale fuel. | 2. | Clean fuel line; fill tank with clean, |
|
|
|
| fresh gasoline. |
| 3. | Water or dirt in fuel system. | 3. | Drain fuel tank. Refill with |
|
|
|
| fresh fuel. |
| 4. | Carburetor out of adjustment. | 4. | Contact MTD Service Center. |
|
|
|
|
|
Engine overheats | 1. | Carburetor not adjusted properly. | 1. | Contact MTD Service Center. |
|
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|
|
|
Excessive | 1. | Loose parts or damaged auger. | 1. | Stop engine immediately and |
Vibration |
|
|
| disconnect spark plug wire. Tighten |
|
|
|
| all bolts and nuts. If vibration |
|
|
|
| continues, have unit serviced by a |
|
|
|
| MTD Service Center. |
|
|
|
|
|
Loss of power | 1. | Spark plug wire loose. | 1. | Connect and tighten spark plug |
|
|
|
| wire. |
| 2. | Gas cap vent hole plugged. | 2. | Remove ice and snow from gas |
|
| cap. Be certain vent hole is clear. | ||
|
|
|
| |
| 3. | Exhaust port plugged. | 3. | Contact MTD Service Center. |
|
|
| ||
|
|
|
|
|
Unit fails | 1. | Drive control cable in need of adjust- | 1. | Adjust drive control cable. Refer to |
to propel itself |
| ment. |
| “Making Adjustments”. |
| 2. | Drive belt loose or damaged. | 2. | Replace drive belt. |
|
|
|
|
|
Unit fails | 1. | Chute assembly clogged. | 1. | Stop engine immediately and |
to discharge snow |
|
|
| disconnect spark plug wire. Clean |
|
|
|
| chute assembly and inside of auger |
|
|
|
| housing with |
|
|
|
| stick. |
| 2. | Foreign object lodged in auger. | 2. | Stop engine immediately and |
|
|
|
| disconnect spark plug wire. |
|
|
|
| Remove object from auger with |
| 3. | Auger control cable in need of adjust- |
| |
| 3. | Refer to “Auger Control Test” on | ||
|
| ment. | ||
|
|
| page 11. | |
| 4. | Auger belt loose or damaged. |
| |
| 4. | Refer to Maintenance section. | ||
| 5. | Shear pin(s) sheared. | ||
| 5. | Replace with new shear pin(s). | ||
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| ||
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8
Trouble-
Shooting
NOTE: This section addresses minor service issues. For further details, contact a MTD authorized service center or call
1(800) 800-7310 for assistance.
19
