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1.

POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter.

2.

THROTTLE TRIGGER LOCKOUT - This lever must be held during starting. Operation of the throttle trigger is

prevented unless throttle trigger lockout lever is engaged.

3.

STOP SWITCH - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing.  Move switch FORWARD to

RUN, BACK to STOP.

4.

THROTTLE TRIGGER -  Controls engine speed.  Spring loaded to return to idle when released.  During acceleration,

press trigger gradually for best operating technique.

5.

DRIVE SHAFT ASSEMBLY - Includes the Rear (right hand) Handle assembly, Gear Housing assembly, Front (loop,

left hand) Handle assembly, steel drive shaft and Safety Decal.

6.

BLADE - Circular blade for grass, weed or brush cutting applications.  Harness, metal shield & U-handles required for

blade operation.

7.

METAL BLADE SHIELD - Required when unit is equipped with blades.  Do not operate unit without shield.

8.

U-HANDLE - Required for metal blade operation.

9.

HIP PAD - Used to protect hip/leg and clothing when using U-handle equipped unit.

10. SHOULDER HARNESS- An adjustable strap that suspends the unit from the operator.  Using the strap reduces

operator fatigue and restricts rearward movement of unit.

11. PLASTIC DEBRIS SHIELD ASSEMBLY - Included in plastic bag (co-pack).   MUST be installed on unit before use,

see Assembly Instructions.  Shield assembly includes the Cut-Off Knife. Mounts on the Gear Housing Assembly just

above the cutting attachment. Helps protect the operator by deflecting debris produced during the trimming opera-

tion.  This shield must be replaced with the steel shield for blade use.

12. CUT-OFF KNIFE - Automatically trims line to the correct length: 5" after head is tapped on the ground. If trimmer is

operated without a cut-off knife, the line will become too long, the engine will overheat, and engine damage may

occur.

13. NYLON CUTTER HEAD - Contains replaceable nylon trimming line that advances when the trimmer head is tapped

against the ground while the head is turning at normal operating speed.

14. SPARK PLUG - Provides spark to ignite fuel mixture.

15. ARM REST - Provides arm rest during operation and protects arm from the hot engine.

16. SPARK ARRESTOR - CATALYTIC MUFFLER / MUFFLER -The muffler or catalytic muffler controls exhaust noise

and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep

exhaust area clear of flammable debris.

17. FUEL TANK - Contains fuel and fuel filter.

18. RECOIL STARTER HANDLE - Pull handle slowly until starter engages, then quickly and firmly.  When engine

starts, return handle slowly.  DO NOT let handle snap back or damage to unit will occur.

19. FUEL TANK CAP - Covers and seals fuel tank opening.

20. PURGE BULB - Pumping purge bulb before starting engine draws fresh fuel from the fuel tank, purging air from the

carburetor.  Pump purge bulb until fuel is visible and flows freely in the clear fuel tank return line.  Pump purge bulb

an additional 4 or 5 times.

21. AIR CLEANER - Contains replaceable filter element.

22. CHOKE - The choke control is located at the rear of the air cleaner housing.  Move choke lever  to Cold Start (

) to

close choke for cold start. Move choke lever to "Run" (

) position to open choke.

Summary of Contents for SRM - 230U

Page 1: ...perator s Manual MODEL SRM 230U WARNING DANGER Readrulesforsafeoperationandinstructionscarefully ECHOprovidesan Operator sManualandaSafetyManual Bothmustbereadandunderstoodfor properandsafeoperation X...

Page 2: ...Important Information 3 International Symbols 3 Personal Condition and Safety Equipment 4 EquipmentCheck 6 EmissionControl 8 Description 7 Contents 9 Assembly 10 Plastic Shield Installation 10 Nylon...

Page 3: ...safety alerts and helpful information messages preceded by symbols or key words The following is an explanation of those symbols and key words and what they mean to you INTERNATIONAL SYMBOLS Hot Surf...

Page 4: ...tures are cooler WARNING DANGER Users of this product risk injury to themselves and others if the unit is used improperly and or safety precautions are not followed Proper clothing and safety gear mus...

Page 5: ...scles and tendons of the fingers hands arms and shoulders may cause soreness swelling numbness weakness and extreme pain in those areas Certain repetitive hand activities may put you at a high risk fo...

Page 6: ...that front loop handle and shoulder strap or shoulder waist harness are adjusted for safe comfortable operation See Assembly Section for proper adjustment An Emission Control Label is located on the e...

Page 7: ...structions on them If a decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDER INGinstructionsforspecificinformation 17 19 20 21 22 18 15 16 14 P N 89022809560 P N 8901605...

Page 8: ...flecting debris produced during the trimming opera tion This shield must be replaced with the steel shield for blade use 12 CUT OFF KNIFE Automatically trims line to the correct length 5 after head is...

Page 9: ...__ 1 Power Head Drive Shaft Assembly __ 1 PlasticBag co pack __ 1 Operator s Manual __ 1 Safety Manual __ 1 Warranty Registration Card __ 1 LimitedWarrantyStatement __ 1 Plastic shield __ 1 wrench17x...

Page 10: ...te B on shield align holes and install three 3 5x16mmscrews 4 Install upper plate A NYLON LINE HEAD INSTALLATION Use with Plastic Shield Tools Required HeadLockingTool Parts Required NylonLineHead 1 B...

Page 11: ...r Scrench LockingTool Parts Required MetalShield ShieldBracket 3 5 x 15 mm screws w captivated flat and lock washer metal shield to gear housing 2 5 x 8 mm screws 2 5 mm nuts 2 5 mm lock washers brack...

Page 12: ...See debris shield decal Secure blade with LowerPlate C and10mmL H nut B Turnnutcounter clock wise on PTO shaft to tighten 3 Align hole in upper plate with notch in gear housing and insert Locking Tool...

Page 13: ...n position until final adjustments are completed 4 Route throttle linkage and ignition lead assembly along shaft and clip as shown THROTTLE LINKAGE AND IGNITION LEADS 1 Place throttle linkage C throug...

Page 14: ...heground 4 Tighten harness clamp screw 5 Loosen upper U Handle clamp screws K and position U Handle for comfortable operation 6 Tighten U Handle clamp screws and 8 mm clamp bolt securely OPERATION OPE...

Page 15: ...isdesignedfordensethickets and saplings up to 64 mm 2 1 2 in diameter UseShoulder WaistHarness P N99944200200 Useofthe Shoulder Waist Harness is recommended for ALL Trimmer Brush Cutter use not just...

Page 16: ...soline 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 approved T...

Page 17: ...xcessive downward force or damage to unit can occur 4 Recoil Starter Lay the unit on a flat area and keep movable attachment parts clear of all obstacles Firmly grasp right hand grip and throttle trig...

Page 18: ...O Dealer 1 Stop Switch Move stop switch button A away from the STOP position 2 Purge Bulb Pump purge bulb C until fuel is visible and flows freely in the clear fuel tank return line Pump bulb an addit...

Page 19: ...f you are unsure or are not equipped with the necessary tools you may want to take your unit to an ECHO Service Dealer for maintenance To help you decide whether you want to DO IT YOURSELF or have the...

Page 20: ...e R t c e p s n I 2 R I x e l F t f a h S e v i r D s l e d o M e l b a C e s a e r G 2 1 I g n i s u o H r a e G e s a e r G 2 2 I e p o R r e t r a t S l i o c e R n a e l C t c e p s n I 1 C I g u...

Page 21: ...ty or the rubber sealing edges aredeformed 4 If filter can be reused be certain it Fits tightly in the air filter cavity Is installed with the original side out 5 Installairfiltercover FUEL FILTER Lev...

Page 22: ...lb COOLING SYSTEM Level2 Tools required 4mmHexWrench CleaningBrush25or50mm 1or2in Parts Required None if you are careful IMPORTANT To maintain proper engine operating temperatures cooling air must pa...

Page 23: ...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 Asse...

Page 24: ...ust be inspected and cleaned of excess carbon every 3 months or 90 hours of operation in order to maintain this engine within the emissions durability period ECHO strongly recommends that you return y...

Page 25: ...ould not turn at idle otherwise serious personal injury may result LUBRICATION Level1 Tools Required 13mmOpenEndWrench Screwdriver CleanRag Parts Required ECHO LUBETM 8oz P N91014 orLithiumBase Grease...

Page 26: ...one on each side of barrier 3 Wind both lines tightly and evenly one on each side of barrier in the direction of arrow on bottom of spool 4 Place ends of lines into notches in spool leaving 6 in prot...

Page 27: ...nsafe handling due to vibration and can result in blade failure Tool required Flatfile preferred Electricgrinderifspecialcareis used Round rat tail file for gullet radius 1 File each tooth at a 30 deg...

Page 28: ...g 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 e n i g n E s n u r 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...

Page 29: ...r reach an open flame or spark 2 Place the stop switch in the STOP position 3 Remove accumulation of grease oil dirt and debris fromexteriorofunit 4 Perform all periodic lubrication and services that...

Page 30: ...cooled engine oil Gasoline 89 Octane Unleaded Do not use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Oil ECHOHi Performance two strokeaircooledengineoil Fuel Tank Capacity 0 5...

Page 31: ...GRASS TRIMMER BRUSH CUTTER OPERATOR S MANUAL 31 NOTES...

Page 32: ...product you may call the ECHO ConsumerProductSupportDepartmentat1 800 673 1558from8 30am to 4 30 pm Central Standard Time Monday through Friday Before calling please know the model and serial number o...

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