6
Trouble
Shooting
For repairs beyond the minor adjustments listed here, contact an authorized service dealer.
Problem |
| Cause |
| Remedy | |
Engine fails to start | 1. | Throttle lever not in correct starting | 1. | Move throttle lever to FAST or | |
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| position. |
| START position. | |
| 2. | Spark plug wire disconnected. | 2. | Connect wire to spark plug. | |
| 3. | Choke not in CHOKE position (if | 3. | Move choke lever to CHOKE | |
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| equipped). |
| position. | |
| 4. | Fuel tank empty or stale fuel. | 4. | Fill tank with clean, fresh gasoline. | |
| 5. | Engine not primed (if equipped). | 5. | Prime engine as instructed in | |
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| Engine Manual. | |
| 6. | Faulty spark plug. | 6. | Clean, adjust gap, or replace. | |
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| 7. | Safety switch not depressed. | 7. | Safety switch must be depressed | |
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| by the front tab on the bag handle | |||
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| 8. | Safety switch wire is not connected to |
| when securing the bag. | |
| 8. | Connect safety switch wire to | |||
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| engine or not properly grounded. | |||
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| engine connector and ground to | ||
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| mounting bracket. | |
Engine runs erratic | 1. | Spark plug wire loose. | 1. | Connect and tighten spark | |
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| plug wire. | |
| 2. | Unit running on CHOKE (if equipped). | 2. | Move choke lever to OFF position. | |
| 3. | Blocked fuel line or stale fuel. | 3. | Clean fuel line; fill tank with clean, | |
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| fresh gasoline. | |
| 4. | Low engine RPM. | 4. | Always run engine at full throttle. | |
| 5. | Water or dirt in fuel system. | 5. | Drain fuel tank. Refill with | |
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| fresh fuel. | |
| 6. | Dirty air cleaner. | 6. | Refer to engine manual. | |
| 7. | Carburetor out of adjustment. | 7. | See authorized service dealer. | |
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Engine overheats | 1. | Engine oil level low. | 1. | Fill crankcase with proper oil. | |
| 2. | Dirty air cleaner. | 2. | Refer to engine manual. | |
| 3. | Carburetor not adjusted properly. | 3. | See authorized service dealer. | |
Occasional skips | 1. | Spark plug gap too close. | 1. | Adjust gap to .030”. | |
(hesitates) at | 2. | Carburetor idle mixture adjustment | 2. | See authorized service dealer. | |
high speed |
| improperly set. |
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| |
Excessive Vibration | 1. | Loose parts or damaged impeller. | 1. | See authorized service dealer. | |
Unit does not | 1. | Discharge area clogged. | 1. | Stop engine immediately and | |
discharge |
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| disconnect spark plug wire. Clean | |
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| flail screen and inside of discharge | ||
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| opening. | |
| 2. | Foreign object lodged in impeller. | 2. | Stop engine and disconnect spark | |
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| plug wire. Remove lodged object. | |
| 3. | Low engine RPM. | 3. | Always run engine at full throttle. | |
| 4. | Vacuum bag is full. | 4. | Empty bag. | |
Rate of discharge | 1. | Low engine RPM. | 1. | Always run engine at full throttle. | |
slows considerably | 2. | Chipper blade dull. | 2. | Replace chipper blade or see your | |
or composition of |
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| authorized service dealer. | |
discharged material |
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changes |
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Unit fails to propel itself | 1. | Drive control cable out of adjustment. | 1. | Follow adjustment procedure | |
or slips when drive |
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| in Servicing Your Yard Vacuum | |
control is engaged | 2. | Drive belt worn or damaged. |
| section of manual. | |
2. | See authorized service dealer. | ||||
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18
