SECTION 6: 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 (if so equipped)  | 3.  | Move throttle lever to FAST position.  | 
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  | not in correct starting position.  | 
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  | 4.  | Choke, if so equipped, not in  | 4.  | Move choke to CHOKE position.  | 
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  | CHOKE position.  | 
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  | 5.  | Blocked fuel line.  | 5.  | Clean fuel line.  | 
  | 6.  | Faulty spark plug.  | 6.  | Clean, adjust gap, or replace.  | 
  | 7.  | Safety switch not depressed.  | 7.  | Safety switch must be depressed by the  | 
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  | front tab on the bag handle when  | 
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  | securing the bag.  | 
Engine runs erratic  | 1.  | Spark plug wire loose.  | 1.  | Connect and tighten spark plug wire.  | 
  | 2.  | Unit running on CHOKE.  | 2.  | Move choke lever (if equipped) to OFF  | 
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  | position.  | 
  | 3.  | Blocked fuel line or stale fuel.  | 3.  | Clean fuel line; fill tank with clean, fresh  | 
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  | gasoline  | 
  | 4.  | Water or dirt in fuel system.  | 4.  | Drain fuel tank. Refill with fresh fuel.  | 
  | 5.  | Dirty air cleaner.  | 5.  | Clean or replace air cleaner.  | 
  | 6.  | Carburetor out of adjustment.  | 6.  | See authorized service dealer.  | 
Too much vibration  | 1.  | Loose parts or damaged impeller.  | 1.  | See authorized service dealer.  | 
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 properly.  | 3.  | See authorized service dealer.  | 
Occasional skip (hesitates)  | 1.  | Spark plug gap too close.  | 1.  | Adjust gap to.030”.  | 
at high speed  | 
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Unit does not discharge  | 1.  | Discharge chute clogged.  | 1.  | Stop engine immediately and  | 
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  | disconnect spark plug wire. Clean flail  | 
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  | screen and inside of discharge opening.  | 
  | 2.  | Foreign object lodged in impeller.  | 2.  | Stop engine and disconnect spark plug  | 
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  | 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 slows  | 1.  | Low engine RPM.  | 1.  | Always run engine at full throttle.  | 
considerably or  | 2.  | Chipper blade dull.  | 2.  | Replace chipper blade or see your  | 
composition of discharged  | 
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  | authorized service dealer.  | 
material changes.  | 
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NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer.
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