Troubleshooting Guide (continued)

ADDITIONAL PROBLEMS

 

What To Check

Possible Cause

 

Remedy

 

 

 

 

 

Clogged air filter.

 

Clean or replace the air filter.

 

 

 

 

 

 

 

 

 

 

 

 

Replace the fuel filter.

 

Poor acceleration.

 

 

Clogged fuel filter.

 

 

 

 

 

 

 

 

 

Consult with an authorized

 

 

 

Lean fuel/air mixture.

 

 

 

 

 

 

 

 

 

 

 

 

 

servicing dealer.

 

 

 

 

 

 

 

 

 

 

 

 

Idle speed set too low.

 

Adjust idle. Check Specifications page for

 

 

 

 

 

 

 

 

 

 

 

 

 

correct idle speed.

 

 

 

 

 

 

 

 

 

 

 

 

 

Switch turned off.

 

Reset the switch and re-start.

 

 

 

 

 

 

 

 

 

 

 

Fuel tank empty.

 

Refuel. See Fuel section of manual.

 

 

 

 

 

 

 

Engine stops abruptly.

 

 

Clogged fuel filter.

 

Replace fuel filter.

 

 

 

 

 

 

 

Water in the fuel.

 

Drain; replace with clean fuel. See Fuel

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

section of manual..

 

 

 

 

 

Shorted spark plug or loose terminal.

 

Clean or replace spark plug. Check the

 

 

 

 

 

 

 

 

 

 

 

 

 

Specifications page in this manual for the

 

 

 

 

 

 

 

proper spark plug for your unit. Tighten

 

 

 

 

 

 

 

the terminal.

 

 

 

 

 

 

 

 

 

 

 

 

Ignition failure.

 

Replace the ignition unit.

 

 

 

 

 

 

 

 

 

 

 

Piston seizure.

 

Consult with an authorized

 

 

 

 

 

 

 

 

 

 

 

 

 

servicing dealer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ground (stop) wire is disconnected or

 

Test and replace as required.

 

 

 

 

 

switch is defective

 

 

 

Engine difficult to

 

 

 

Overheating due to incorrect spark plug

 

Replace the spark plug. Check the

 

 

shut off.

 

 

 

Specifications page in this manual for the

 

 

 

 

 

 

 

proper spark plug for your unit.

 

 

 

 

 

Overheated engine.

 

Idle engine until cool.

 

 

 

 

 

 

 

 

Top of engine is getting dirty and oily.

Valve cover is leaking.

Consult with an authorized servicing dealer.

 

Engine will not

 

 

 

Idle set too high.

 

Adjust idle. Check Specifications page for

 

 

 

 

 

 

 

 

 

 

 

 

correct idle speed.

 

 

 

 

 

 

 

 

 

 

 

 

idle down.

 

 

 

 

 

 

 

 

 

 

 

 

Engine has an air leak.

 

 

 

Consult with an authorized servicing dealer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine idle too high.

 

Adjust idle. Check Specifications page for

 

 

 

 

 

 

 

 

 

 

 

 

Cutting attachment

 

 

 

 

 

 

 

correct idle speed.

 

 

 

Broken clutch spring or worn clutch

 

Replace spring/shoes as required,

 

 

moves at engine idle.

 

 

 

spring boss.

 

check idle speed.

 

 

 

 

 

Loose attachment holder.

 

Inspect and re-tighten holders securely.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Warped or damaged attachment.

 

Inspect and replace attachment

 

 

 

 

 

 

 

 

 

 

 

 

 

Excessive vibration.

 

 

 

 

 

 

 

as required.

 

 

 

 

 

 

 

 

 

 

 

 

Loose gearcase.

 

Tighten gearcase securely.

 

 

 

 

 

 

Bent main shaft/worn or damaged

 

Inspect and replace as necessary.

 

 

 

 

 

 

 

 

 

 

 

bushings.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Shaft not installed in powerhead or

 

Inspect and reinstall as required.

 

 

 

 

 

 

 

 

 

 

 

 

Cutting attachment will

 

 

gearcase.

 

 

 

 

 

 

Broken shaft.

 

Consult with a authorized

 

 

 

not move.

 

 

 

 

 

Damaged gearcase.

 

servicing dealer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19

Page 19
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Shindaiwa 89310, AH2510/EVC manual Additional Problems, What To Check Possible Cause Remedy

89310, AH2510, AH2510/EVC specifications

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