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ADDITIONAL PROBLEMS
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
Clogged air filter.
Clogged fuel filter.
Lean fuel/air mixture.
Idle speed set too low.
Switch turned off.
Refuel. See Fuel section of manual.
Replace fuel filter.
Drain; replace with clean fuel. See Fuel
section of manual.
Clean or replace spark plug. Check
the Specifications page in this manual
for the proper spark plug for your unit.
Tighten the terminal.
Replace the ignition unit.
Consult with an authorized
servicing dealer
Test and replace as required.
Idle engine until cool. Replace the spark
plug. Check the Specifications page in this
manual for the proper spark plug for your
unit.
Clean or replace the air filter.
Replace the fuel filter.
Consult with an authorized
servicing dealer.
Reset the switch and re-start.
Overheated engine.
Engine idle too high.
Broken clutch spring or worn clutch
spring boss.
Loose attachment holder.
Poor acceleration.
Engine stops abruptly.
Engine difficult to shut
off.
Cutting attachment moves
at engine idle.
Attachment will not move.
Idle engine until cool.
Replace spring/shoes as required.
Inspect and re-tighten holders securely.
Shaft not installed in powerhead or
gearcase.
Broken shaft.
Damaged gearcase.
Inspect and reinstall as required.
Consult with a authorized
servicing dealer.
Troubleshooting Guide (continued)
What To Check Possible Cause Remedy
Warped or damaged attachment.
Loose gearcase.
Excessive vibration.
Inspect and replace attachment
as required.
Tighten gearcase securely.
Bent main shaft/worn or damaged
bushings.
Inspect and replace as necessary.
Engine will not idle down.
Engine idle is set too high.
Engine has air leak.
Consult with a authorized
servicing dealer.
Adjust idle. Check Specifications page
for correct idle speed.
Adjust idle. Check Specifications page
for correct idle speed.
Adjust idle. Check Specifications page
for correct idle speed.
Trimmer line not wound properly on
spool.
Rewind trimmer line.