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20

Troubleshooting Guide

Vaporlock.

Valve adjustment.

Engine hot/heat soaked.

Low fuel quality.

Valve clearance too tight.

Valve clearance too loose.

Let cool completely and restart.

Refi ll 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 classifi ed oils 

at 50:1 gasoline/oil ratio.

Consult with an authorized Shindaiwa
servicing dealer. Adjust valves. 

What To Check

Possible Cause

Remedy

ENGINE DOES NOT START OR HARD TO START

NO

NO

NO

NO

Does the engine crank?

Good compression?

Does the tank contain fresh 

fuel of the proper grade?

Is fuel visible and moving 

in the return line when 

priming?

Is there spark at the spark 

plug wire terminal?

Check the spark plug.

Faulty recoil starter.

Fluid in the crankcase.

Internal damage.

Loose spark plug.

Excess wear on cylinder, 

piston, rings.

Fuel incorrect, stale, or

 contaminated; mixture incorrect.

Check for clogged fuel fi lter

and/or vent.

Priming pump not functioning properly.

The ignition switch is in

“O” (OFF) position.

Shorted ignition ground.

Faulty ignition unit.

If the plug is wet, excess

fuel may be in the cylinder.

The plug is fouled or improperly

 gapped.

The plug is damaged internally 

or of the wrong size.

Consult with an authorized Shindaiwa servicing dealer.

Tighten and re-test.

Consult with an authorized Shindaiwa

servicing dealer.

Refi ll 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 classifi ed oils 

at 50:1 gasoline/oil ratio.

Replace fuel fi lter or vent as required.

Re-start.

Consult with an authorized Shindaiwa

servicing dealer.

Move switch to “I” (ON) position

and re-start.

Consult with an authorized Shindaiwa

servicing dealer.

See "Starting a Flooded Engine"

Clean and gap the spark plug. Check the Specifi cations 

section for the correct plug and gap for your unit. Restart.

Replace the spark plug. Check the Specifi cations section for 

the correct plug and gap for your unit. Restart.

NO

YES

What To Check

Possible Cause

Remedy

ENGINE DOES NOT START

YES

YES

YES

YES

Содержание T254

Страница 1: ...NER S OPERATOR S MANUAL WARNING Minimize the risk of injury to yourself and others Read this manual and familiarize yourself with the contents Always wear eye and hearing protection when operating thi...

Страница 2: ...formation that should be acted upon to prevent serious injury or death ECHO Inc reserves the right to make changes to products without prior notice and without obligation to make alterations to units...

Страница 3: ...and protective covers are properly assembled to unit NEVER reach into any opening while the engine is running Moving parts may not be visible through openings ALWAYS inspect unit before each use Repla...

Страница 4: ...st high Wear appropriate footwear non skid boots or shoes do not wear open toed shoes or sandals Never work barefooted Keep a proper footing and do not overreach Maintain your balance at all times dur...

Страница 5: ...feet radius Outside this radius there is still a risk of injury from thrown objects ALWAYS clear your work area of trash or hidden debris that could be thrown back at you or toward a bystander When op...

Страница 6: ...ont and rear refer to directions as viewed by the operator during normal operation Engine Outer tube assembly Cutting attachment shield Cutting Attachment Cutting attachment shield mounting plate and...

Страница 7: ...1 Align locking hole in upper plate with notch in edge of gear housing and insert head locking tool D 2 Remove line head E by turning it clockwise until head is completely off of shaft 3 Remove locki...

Страница 8: ...ailure to use an ISO L EGD ISO CD 13738 and J A S O M345 FD certified oil will void the engine warranty Front handle installation NOTE Label shows minimum spacing for front handle location 1 Position...

Страница 9: ...sh fuel 4 Reinstall the fuel filler cap and tighten firmly 5 Wipe away any spilled fuel before starting engine CAUTION Slowly remove the fuel cap only after stopping the engine After use DO NOT store...

Страница 10: ...e primer system only pushes fuel through the carburetor Repeatedly pressing the primer bulb will not flood the engine with fuel 3 Press the primer bulb until fuel can be seen flowing in the transparen...

Страница 11: ...of this manual 6 When the engine starts slowly move the choke lever to the OPEN position If the engine stops after the initial start close the choke and restart 7 Operating the throttle will automatic...

Страница 12: ...h broken or damaged equipment Checking Unit Condition NEVER allow the engine to run at high RPM without a load Doing so could damage the engine NEVER operate a unit with worn or damaged fasteners or a...

Страница 13: ...s trimmer head from left to right Keep the trimmer head horizontal Engine Operating Speeds Operate at full throttle while cutting grass Trimming and Mowing Grass Edging Tilt the handle about 100 to th...

Страница 14: ...a at base of crankcase Remove all debris Dirt build up in these areas can lead to engine overheating fire or premature wear Daily maintenance Clean any debris or dirt from the cutting attachment Remov...

Страница 15: ...Use a hooked wire to extract the fuel filter from inside the fuel tank Inspect the fuel filter element If it shows signs of contamination replace with a genuine Shindaiwa replacement fuel filter eleme...

Страница 16: ...ew clockwise tighter counterclockwise looser until feeler gauge is almost snug Back off just enough to allow gauge to slip out with limited resistance 5 While holding the adjustment screw in place wit...

Страница 17: ...ized Shindaiwa dealer IMPORTANT If the engine is adjusted for operation above 1 100 feet ASL the carburetor must be re adjusted when operating the engine below 1 100 feet ASL otherwise severe engine d...

Страница 18: ...ust idle Check Specifications page for correct idle speed Loading Trimmer Line 1 Cut one piece of line to recommended length 2 Align arrows on top of knob with openings in eyelets 3 Insert one end of...

Страница 19: ...linder through the spark plug hole Slowly pull the recoil starter 2 or 3 times so oil will evenly coat the interior of the engine Reinstall the spark plug Before storing the unit repair or replace any...

Страница 20: ...lter and or vent Priming pump not functioning properly The ignition switch is in O OFF position Shorted ignition ground Faulty ignition unit If the plug is wet excess fuel may be in the cylinder The p...

Страница 21: ...d oils at 50 1 gasoline oil ratio Clean repair or replace as necessary Consult with an authorized Shindaiwa servicing dealer Service the air cleaner element Tighten or replace the spark plug Check the...

Страница 22: ...red Replace the spark plug Check the Specifications section for the correct plug and gap for your unit Restart Idle engine until cool Symptom Possible Cause Remedy Engine stops abruptly Engine difficu...

Страница 23: ...oncerning Shindaiwa s Warranty Statement you can contact our Consumer Product Support Department at 1 800 673 1558 or contact us through the web at WWW SHINDAIWA COM PRODUCT WARRANTY PERIOD homeowner...

Страница 24: ...he operator s manual is the customer s responsibility Failures due to improper set up pre delivery service or repair service by anyone other than authorized Shindaiwa servicing dealer during the warra...

Страница 25: ...never be sold or misused by ECHO Inc Registering your purchase enables us to contact you in the unlikely event of a service update or product recall and verifies your ownership for warranty considera...

Страница 26: ...26 NOTES...

Страница 27: ...27 NOTES...

Страница 28: ...7 986 7783 Dealer information is also available on WWW SHINDAIWA USA COM When presenting your unit for War ranty service repairs proof of purchase is required Consumer Product Support If you require a...

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