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18

1.

Remove spark plug lead (A).

2.

Remove air filter cover (B).

3.

Remove one (1) muffler cover screw and muffler cover (C).

4.

Remove two (2) screw and engine cover (D).

IMPORTANT
DO NOT use a metal scraper to remove dirt from the cylinder fins.

5.

Use brush to remove dirt from the cylinder fins.

6.

Remove grass and leaves from the grid between the recoil starter
and fuel tank.

7.

Assemble components in reverse order.

A

B

C

EXHAUST

 

SYSTEM

Spark Arrestor Screen

Level 2.

Tools Required: Cross Head Screwdriver, Soft Metal Brush,

4 mm Hex Wrench

Parts Required: Spark Arrestor Screen, Gasket

1.

Remove spark plug lead.

2.

Remove one (1) muffler cover screw and muffler cover.

3.

Place piston at Top Dead Center (TDC) to prevent carbon/dirt from
entering cylinder.

4.

Remove spark arrestor screen cover (A), gaskets (B), and screen
(C) from muffler body.

5.

Clean carbon deposits from muffler components.

6.

Replace screen if it is cracked, plugged or has holes burned
through.

7.

Assemble components in reverse order.

D

A

B

C

Summary of Contents for GT-251E

Page 1: ...lesforsafeoperationandinstructionscarefully ECHOprovidesan Operator sManualandaSafetyManual Bothmustbereadandunderstoodfor properandsafeoperation Grass Trimmer Operator s Manual MODELS GT 251E X750202...

Page 2: ...NTENTS Introduction 2 The Operator s Manual 2 The Safety Manual 2 Safety 3 Manual Safety Symbols and Important Information 3 International Symbols 3 Personal Conditions and Safety Equipment 3 Equipmen...

Page 3: ...RIPTION APPLICATION SYMBOL FORM SHAPE SYMBOL DESCRIPTION APPLICATION SYMBOL FORM SHAPE Read and understand Operator s Manual WEAR EYES EARS AND HEAD PROTECTION FUEL AND OIL MIXTURE FINGER SEVERING SAF...

Page 4: ...ng can increase operator fatigue which may lead to heat stroke Schedule heavy work for early morning or late afternoon hours when temperatures are cooler Vibration and Cold It is believed that a condi...

Page 5: ...petitive movement Do exercises to strengthen the hand and arm muscles Immediately stop using all power equipment and consult a doctor if you feel tingling numbness or pain in the fingers hands wrists...

Page 6: ...MENT Check unit for loose missing nuts bolts and screws Tighten and or replace as needed Inspect fuel lines tank and area around carburetor for fuel leaks DO NOT operate unit if leaks are found Inspec...

Page 7: ...le and that you understand and follow the instructions on them If a decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDER INGinstructionsforspecificinformation 10 1 2 3 4...

Page 8: ...flecting debris produced during the trimming operation 9 THROTTLETRIGGER Springloadedtoreturntoidlewhenreleased Duringacceleration presstriggergradually for best operating technique 10 SHOULDER HARNES...

Page 9: ...n line head plastic debris shield and mounting hardware shown in the contents list are pre assembled to the unit Only the front handle may need to be re positioned for comfortable operation ____ Trimm...

Page 10: ...lockwise and tighten securely IMPORTANT Remember to remove the locking tool C B A A B C D E ASSEMBLY Tools Required LockingTools 2 Wrench17x14 5 9 16in Parts Required Rapid LoaderTM Head Large washer...

Page 11: ...ter of recess NOTE Insert cutting line ends to center of head recess to insure easy removal of used lines FRONT LOOP HANDLE NOTE Label shows minimum spacing for front handle location NOTE Front handle...

Page 12: ...s Gasoline Use 89 Octane R M 2 mid grade or higher gasoline known to be good quality Gasoline may contain up to 15 MTBE methyl tertiary butyl ether Gasohol containing methyl wood alcohol is NOT approv...

Page 13: ...n a flat area and keep movable attachment parts clear of all obstacles Firmly grasp right hand grip with left hand and fully depress throttle trigger to wide open position Rapidly pull recoil starterh...

Page 14: ...er to wide open position WARNING DANGER The attachment should not move at idle otherwise serious personal injury may result NOTE If attachment moves readjust carburetor according to Carburetor Adjustm...

Page 15: ...R A E Y 0 0 6 S R U O H s e r u d e c o r P e c n a n e t n i a M r e l a e D o h c E d e d n e m m o c e R t r o P t s u a h x E r e d n i l y C n o b r a c e D n a e l C t c e p s n I 3 C I s e r u...

Page 16: ...the air filter cavity is installed with the original side out NOTE Carburetor adjustment may be needed after air filter cleaning replacement See Carburetor Adjustment Section FUEL FILTER Level1 Tools...

Page 17: ...COOLING SYSTEM Level2 Tools required 3 4mmHexWrench 25or50mm 1or2in cleaning brush Parts Required None if you are careful IMPORTANT To maintain proper engine operating temperatures cooling air must pa...

Page 18: ...reverse order A B C EXHAUST SYSTEM Spark Arrestor Screen Level2 Tools Required Cross Head Screwdriver Soft Metal Brush 4mmHexWrench Parts Required Spark Arrestor Screen Gasket 1 Remove spark plug lead...

Page 19: ...retor adjustments can be made During the break in period your engine performance will increase and exhaust emissions will stabilize Idle speed can be adjusted as required High Altitude Adjustment High...

Page 20: ...vent exceeding emission limits and over rich adjustment but not over lean adjustment which can cause engine failure Do not exceed recommended HI speed engine R P M during operation or for long periods...

Page 21: ...ve plastic shield 2 Loosen bearing housing locating screw A at the top of the housing remove mounting screw B 3 Pull the flexible drive shaft C from the housing wipe clean and re coat with a thin coat...

Page 22: ...u l P n i 6 2 0 0 m m 5 6 o t t s u j d A e c a l p e r r o n a e l C e c a l p e r r o n a e l C g u l p e c a l p e R s n u r e n i g n E r o s e i d t u b t o n s e o d e t a r e l e c c a y l r e...

Page 23: ...open flame or spark 2 Place the stop switch in the OFF position 3 Remove accumulation of grease oil dirt and debris fromexteriorofunit 4 Perform all periodic lubrication and services that are required...

Page 24: ...o 50 1 two stroke air cooled engine oil Gasoline 89 Octane unleaded DO NOT use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Oil PowerBlendTM PremiumUniversal2 StrokeOil Fuel Ta...

Page 25: ...GRASS TRIMMER OPERATOR S MANUAL 25 NOTES...

Page 26: ...26 NOTES...

Page 27: ...GRASS TRIMMER OPERATOR S MANUAL 27 NOTES...

Page 28: ...UPPORT If you require assistance or have questions concerning the application operation or maintenance of this product you may call the ECHO ConsumerProductSupportDepartmentat1 800 673 1558from8 30am...

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