Shindaiwa DH231, X7502863800 manual Poor acceleration, Engine stops abruptly

Page 18

Troubleshooting Guide (continued)

ADDITIONAL PROBLEMS

Symptom

Poor acceleration.

Possible Cause

Clogged air filter.

Clogged fuel filter.

Lean fuel/air mixture.

Idle speed set too low.

Remedy

Clean the air filter.

Replace the fuel filter.

Consult with an authorized Shindaiwa servicing dealer.

Adjust idle. Check Specifications page for correct idle speed.

Engine stops abruptly.

Ignition switch turned off.

Fuel tank empty.

Water in the fuel.

Clogged fuel filter.

Shorted spark plug or loose terminal.

Ignition failure.

Piston seizure.

Reset the switch and re-start.

Refill with fresh, clean unleaded gasoline with a pump octane of 89 or higher mixed with an air cooled engine oil that meets or exceeds ISO-L-EGD and/or JASO FD classified oils at 50:1 gasoline/oil ratio.

Replace fuel filter.

Clean or replace spark plug. Check the Specifications section for the correct plug and gap for your unit. Tighten

the terminal.

Replace the ignition unit.

Consult with an authorized Shindaiwa servicing dealer.

 

 

 

 

 

 

 

Ground (stop) wire is disconnected,

 

Test and replace as required.

Engine difficult to shut off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

or switch is defective.

 

 

 

 

 

 

 

 

 

Overheating due to incorrect spark plug.

 

Replace the spark plug. Check the Specifications section for

 

 

 

 

 

 

 

 

 

the correct plug and gap for your unit. Restart.

 

 

 

 

 

 

 

Overheated engine.

 

Idle engine until cool.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Idle set too high.

 

Adjust idle. Check Specifications page for correct

 

 

 

 

 

 

 

 

Engine will not idle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

idle speed.

 

 

 

 

 

 

down.

 

 

 

 

 

 

Engine has an air leak.

 

Consult with an authorized Shindaiwa servicing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

dealer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine idle too high.

 

Adjust idle. Check Specifications page for correct idle

 

 

 

 

 

 

 

 

Cutting attachment

 

 

 

 

 

 

 

 

speed.

 

 

 

 

 

 

Broken clutch spring or worn clutch

 

Replace spring/shoes as required, check idle speed.

moves at engine idle.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

spring boss.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Excessive vibration.

Loose attachment holder.

Warped or damaged attachment.

Loose gearcase.

Bent main shaft/worn or damaged bushings.

Inspect and re-tighten holders securely.

Inspect and replace attachment as required.

Tighten gearcase securely. Inspect and replace as necessary.

Cutting attachment will not move.

Shaft not installed in powerhead or gearcase. Broken shaft.

Damaged gearcase.

Inspect and reinstall as required.

Consult with an authorized Shindaiwa servicing dealer.

18

Image 18
Contents DH231 Hedge Trimmer Contents Safety and operation labelsIntroduction Work Safely SafetyOperating Precautions Stay AlertCutter Blades Blade Cover Operating the Hedge Trimmer Specifications Product DescriptionEmission Control Exhaust & Evaporative Mixing FuelExamples of 501 mixing quanti- ties After use Filling the Fuel TankMixing Instructions Minimize the Risk of FireStarting the Engine Before starting the engineStarting the Engine Maintenance Stopping the engineOperation Muffler Spark PlugFasteners Every 20 and 100 hours Gearcase lubrication Hour maintenance More frequently in dusty conditions10 15 hour maintenance Remove and clean the spark plug Every 20 hoursHour maintenance Throttle free play adjustmentRemove and replace fuel filter element Cutter blade adjustment Long Term Storage Idle Speed AdjustmentClean external parts thoroughly To do soTroubleshooting Guide Engine is knocking Poor acceleration Engine stops abruptlyExceptions 99922201031 02/05/2010 99922201033 Page Page Servicing Information T09213001001/T09213999999