TROUBLESHOOTING
Problem |
| Cause |
| Remedy |
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Engine fails to start | 1. | Spark plug wire disconnected. | 1. | Connect wire to spark plug. |
| 2. | Fuel tank empty or stale fuel. | 2. | Fill tank with clean, fresh gasoline. |
| 3. | Throttle control lever not in | 3. | Move throttle lever to FAST position. |
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| correct starting position. |
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| 4. | Choke not in CHOKE position. | 4. | Move choke to CHOKE position. |
| 5. | Engine not primed. | 5. | Prime engine. |
| 6. | Blocked fuel system. | 6. | See Sears Service Center to have fuel |
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| system cleaned. |
| 7. | Faulty spark plug. | 7. | Clean, adjust gap, or replace. |
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Engine runs erratic | 1. | Spark plug wire loose. | 1. | Connect and tighten spark plug wire. |
| 2. | Unit running on CHOKE. | 2. | Move choke lever to OFF position. |
| 3. | Dirt in fuel system | 3. | See Sears Service Center to have fuel |
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| system cleaned. |
| 4. | Stale fuel. | 4. | See Sears Service Center to have fuel |
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| system cleaned. Fill tank with clean, fresh |
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| gasoline. |
| 5. | Dirty air cleaner. | 5. | Clean or replace air cleaner. |
| 6. | Carburetor out of adjustment. | 6. | See authorized service dealer. |
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Too much vibration | 1. | Loose parts or damaged | 1. | See Sears Service Center. |
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| impeller. |
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| 2. | Blade(s) damaged or not | 2. | Replace or sharpen blade(s). |
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| properly sharpened. |
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Engine overheats | 1. | Engine oil level low. | 1. | Fill crankcase with proper oil. |
| 2. | Dirty air cleaner. | 2. | Clean or replace air cleaner. |
| 3. | Carburetor not adjusted | 3. | See Sears Service Center. |
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| properly. |
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Occasional skip | 1. | Spark plug gap too narrow. | 1. | Adjust gap to.030” (0.76 mm) |
(hesitates) at high |
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speed |
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Unit does not | 1. | Discharge chute clogged. | 1. | Stop engine immediately and disconnect |
discharge |
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| spark plug wire. Clean shredder screen and |
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| inside of discharge opening. |
| 2. | Foreign object lodged in | 2. | Stop engine and disconnect spark plug wire. |
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| reduction chamber. |
| Remove lodged object. |
| 3. | Low engine RPM. | 3. | Always run engine at full throttle. |
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Rate of discharge | 1. | Low engine RPM. | 1. | Always run engine with the throttle in the |
slows considerably or |
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| FAST position. |
composition of | 2. | Chipper blades or shredder | 2. | Replace blades or see your Sears Service |
discharged material |
| blade dull. |
| Center. |
changes. |
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NOTE: For repairs beyond the minor adjustments listed above, please contact your local Sears Service Center.
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