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| 25 |
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| .parts damaged Replace .part(s) loose Tighten | .3 |
| .part(s) Loose/damaged | .3 |
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| .mandrel blade Replace | .2 |
| .mandrel blade Bent | .2 |
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| .bolt blade Tighten .blade Replace | .1 |
| .blade loose or bent Worn, | .1 | vibration Excessive | |
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| .center/department service authorized an Contact | .15 |
| .adjustment of out valves Engine | .15 |
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| .section |
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| Adjustments Service in Carburetor” Adjust “To See | .14 |
| .adjustment of out Carburetor | .14 |
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| .wiring all Check | .13 |
| .wiring damaged or Loose | .13 |
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| .muffler Clean/replace | .12 |
| .muffler Dirty/clogged | .12 |
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| .screen/fins air engine Clean | .11 |
| .screen/fins air engine Dirty | .11 |
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| .wire plug spark tighten and Connect | .10 |
| .loose wire plug Spark | .10 |
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| .filter fuel replace and gasoline |
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| fresh with tank refill carburetor, and tank fuel Empty | .9 |
| .fuel in Water | .9 |
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| .gasoline clean fresh, with tank refill and tank fuel Empty | .8 |
| .fuel dirty or Stale | .8 |
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| .filter fuel Replace | .7 |
| .filter fuel Dirty | .7 |
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| .plug spark change or regap and Clean | .6 |
| .plug spark Faulty | .6 |
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| .oil level/change oil Check | .5 |
| .oil level/dirty oil Low | .5 |
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| .filter air Clean/replace | .4 |
| .filter air Dirty | .4 |
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| .housing mower of underside Clean | .3 |
| .mower under trash and leaves grass, of | .3 |
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| .control throttle Adjust | .2 |
| .position “CHOKE” in Throttle | .2 |
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| .speed height/reduce cutting Raise | .1 |
| .fast grass/too much too Cutting | .1 | power of Loss | |
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| .starter or solenoid Check/replace | .4 |
| .starter or solenoid Faulty | .4 |
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| .wiring all Check | .3 |
| .wiring damaged or Loose | .3 |
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| .terminals battery Clean | .2 |
| .terminals battery Corroded | .2 | start | |
| .battery replace or Recharge | .1 |
| .battery dead or Weak | .1 | not will but clicks Engine | |
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| .center/department service authorized an Contact | .9 |
| .switch(es) presence operator Faulty | .9 |
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| .starter or solenoid Check/replace | .8 |
| .starter or solenoid Faulty | .8 |
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| .switch ignition Check/replace | .7 |
| .switch ignition Faulty | .7 |
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| .wiring all Check | .6 |
| .wiring damaged or Loose | .6 |
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| .terminals battery Clean | .5 |
| .terminals battery Corroded | .5 |
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| .fuse Replace | .4 |
| .fuse Blown | .4 |
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| .battery replace or Recharge | .3 |
| .battery dead or Weak | .3 |
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| .clutch attachment Disengage | .2 |
| .engaged is clutch Attachment | .2 |
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| .pedal brake Depress | .1 |
| .depressed not pedal Brake | .1 | over turn not will Engine | |
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| .center/department service authorized an Contact | .8 |
| .adjustment of out valves Engine | .8 |
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| .section |
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| Adjustments Service in Carburetor” Adjust “To See | .7 |
| .adjustment of out Carburetor | .7 |
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| .wiring all Check | .6 |
| .wiring damaged or Loose | .6 |
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| .gasoline clean fresh, with tank refill and tank fuel Empty | .5 |
| .fuel dirty or Stale | .5 |
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| .filter fuel Replace | .4 |
| .filter fuel Dirty | .4 |
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| .battery replace or Recharge | .3 |
| .battery dead or Weak | .3 |
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| .plug spark Replace | .2 |
| .plug spark Bad | .2 |
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| .filter air Clean/replace | .1 |
| .filter air Dirty | .1 | start to Hard | |
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| .center/department service authorized an Contact | .11 |
| .adjustment of out valves Engine | .11 |
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| .section |
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| Adjustments Service in Carburetor” Adjust “To See | .10 |
| .adjustment of out Carburetor | .10 |
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| .wiring all Check | .9 |
| .wiring damaged or Loose | .9 |
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| .filter fuel replace and gasoline |
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| fresh with tank refill carburetor, and tank fuel Empty | .8 |
| .fuel in Water | .8 |
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| .filter fuel Replace | .7 |
| .filter fuel Dirty | .7 |
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| .filter air Clean/replace | .6 |
| .filter air Dirty | .6 |
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| .battery replace or Recharge | .5 |
| .battery dead or Weak | .5 |
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| .plug spark Replace | .4 |
| .plug spark Bad | .4 |
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| .start to attempting before minutes several Wait | .3 |
| .flooded Engine | .3 |
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| .section Operation in ENGINE” START “TO See | .2 |
| .properly “CHOKED” not Engine | .2 |
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| .tank fuel Fill | .1 |
| .fuel of Out | .1 | start not Will | |
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| CORRECTION |
| CAUSE | PROBLEM | |||
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POINTS TROUBLESHOOTING