Shindaiwa DH230 Manual Del Propietário página 21

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Troubleshooting Guide (continued) / Additional Problems
Symptom
Poor acceleration.
Engine stops abruptly.
Engine difficult to shut off.
Cutting attachment rotates at
engine idle.
Excessive vibration.
Possible Cause
Clogged air filter.
Clogged fuel filter.
Carburetor mixture too lean.
Idle speed set too low.
Switch turned off.
Fuel tank empty.
Clogged fuel filter.
Water in the fuel.
Shorted spark plug or loose terminal.
Ignition failure.
Piston seizure.
Ground (stop) wire is disconnected, or switch is
defective.
Overheating due to incorrect spark plug.
Overheated engine.
Engine idle too high.
Broken clutch spring or worn clutch spring
boss.
Warped or damaged guide bar or cutters.
Damaged gearcase.
Shoulder bolts/cutters worn or out of
adjustment.
Remedy
Clean the air filter.
Replace the fuel filter.
Return trimmer to the dealer.
Adjust: 3000 ( 250) rpm (min
-1
Reset the switch and re-start.
Refuel.
Replace filter.
Drain; replace with clean fuel.
(See page 9).
Clean and replace spark plug, tighten the
terminal.
Replace the ignition unit.
Consult with an authorized Shindaiwa dealer.
Test and replace as required.
Clean and regap to 0.024"
Correct plug; NGK BMR6A
Idle engine until cool.
Set idle: 3000 ( 250) rpm (min
-1
Replace spring/shoes as required, check idle
speed.
Inspect and replace as required.
Consult with an authorized Shindaiwa dealer.
Adjust or replace replace as required.
)
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