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Echo SRM-225, Operator'S Manual

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Echo SRM-225 Operator'S Manual Download Page 1

X7722279402

© 2/2016 ECHO Inc.

Operator’s Manual

Specifications, descriptions and illustrative material in this literature are as 

accurate as known at the time of publication, but are subject to change 

without notice. Illustrations may include optional equipment and 

accessories, and may not include all standard equipment.

x7722271404 / x772000164

SRM-225

GRASS TRIMMER / 

BRUSH CUTTER

Burn Hazard

The muffler or catalytic muffler and surrounding cover may 
become extremely hot.
 Always keep clear of exhaust and muffler area, otherwise 
serious personal injury may occur.

The engine exhaust from this product contains chemicals known to the 
State of California to cause cancer, birth defects or other reproductive 
harm.

Summary of Contents for SRM-225

Page 1: ...uipment and accessories and may not include all standard equipment x7722271404 x772000164 SRM 225 GRASSTRIMMER BRUSH CUTTER Burn Hazard The muffler or catalytic muffler and surrounding cover may become extremely hot Always keep clear of exhaust and muffler area otherwise serious personal injury may occur The engine exhaust from this product contains chemicals known to the State of California to ca...

Page 2: ...formation 4 Parts Serial Number 4 Service 4 Echo Consumer Product Support 5 Product Registration 5 Additional or Replacement Manuals 5 Safety 5 Manual Safety Symbols and Important Information 5 International Symbols 6 Personal Condition and Safety Equipment 8 Equipment 12 Emission Control Exhaust Evaporative 13 CARB And EPA Emissions Control Information 13 Description 14 Contents 17 Assembly 18 Sh...

Page 3: ... Fuel Filter 30 Spark Plug 31 Cooling System 31 Exhaust System 33 Carburetor Adjustment 34 Lubrication 35 Nylon Line Head Disassembly Instructions 36 Nylon Line Replacement 37 Sharpening Metal Blades 38 Troubleshooting 40 Storage 41 Long Term Storage Over 30 Days 41 Specifications 43 Notes 45 Product Registration 46 Notes 48 ...

Page 4: ... take to insure safe operation SERVICING INFORMATION Parts Serial Number Genuine ECHO Parts and ECHO REPOWER Parts and Assemblies for your ECHO products are available only from an Authorized ECHO Dealer When you do need to buy parts always have the Model Number and Serial Number of the unit with you You can find these numbers on the engine housing For future reference write them in the space provi...

Page 5: ...lacement Manuals Replacement Operator Safety Manuals and Parts Catalogs are available from your ECHO dealer or at www echo usa com or by contacting ECHO Inc 400 Oakwood Road Lake Zurich IL 60047 800 673 1558 Always check the ECHO Web Site for updated information Safety Videos are available from your Echo dealer A 5 00 shipping charge will be required for each video SAFETY Manual Safety Symbols and...

Page 6: ...es tips for use care and maintenance of the unit CIRCLE AND SLASH SYMBOL This symbol means the specific action shown is prohibited Ignoring these prohibitions can result in serious or fatal injury International Symbols Symbol Description Symbol Description Warning See Operator s Manual Carburetor Adjustment High Speed Mixture Wear Eye Ear and Head Protection Carburetor Adjustment Idle Speed Wear H...

Page 7: ...on DO NOT Allow Flames or Sparks Near Fuel Ignition ON OFF DO NOT Smoke Near Fuel Primer Bulb Choke Control RUN Position Choke Open Choke Control COLD START Position Choke Closed Keep Feet Away From Blade Rotating Cutting Attachment Keep Bystanders and Helpers Away 15 m 50 ft Thrown Objects Direction of Blade Symbol Description Symbol Description ...

Page 8: ...ld may be worn over safety glasses or goggles to provide protection from sharp branches or flying debris Hand Protection Wear sturdy no slip rubber work gloves to improve your grip on the handles Gloves also provide protection against cuts and scratches cold environments and reduce the transmission of machine vibration to your hands Hearing Ear Protection ECHO recommends wearing hearing protection...

Page 9: ...terfere with some pacemakers To reduce the risk of serious or fatal injury persons with pacemakers should consult with their physician and the pacemaker manufacturer before operating this machine In the absence of such information ECHO does not recommend the use of this machine by anyone who has a pacemaker Extended Operation Extreme Conditions Prolonged exposure to cold and or vibration may resul...

Page 10: ... may put you at a high risk for developing a Repetitive Stress Injury RSI An extreme RSI condition is Carpal Tunnel Syndrome CTS which could occur when your wrist swells and squeezes a vital nerve that runs through the area Some believe that prolonged exposure to vibration may contribute to CTS CTS can cause severe pain for months or even years To reduce the risk of RSI CTS do the following Avoid ...

Page 11: ...pment with the Operator s Manual and Safety Manual for instructions on Safe Operation Clear the Work Area Spectators and fellow workers must be warned and children and animals prevented from coming nearer than 15 m 50 ft while the unit is in use Keep a Firm Grip Always hold throttle handle and support handle with thumbs and fingers tightly encircling the handles Keep a Solid Stance Maintain footin...

Page 12: ...e and harness if included are adjusted for safe comfortable operation See Assembly Section for proper adjustment Moving parts can amputate fingers or cause severe injuries Keep hands clothing and loose objects away from all openings ALWAYS stop engine disconnect spark plug and make sure all moving parts have come to a complete stop before removing obstructions clearing debris or servicing unit DO ...

Page 13: ...nk fuel line emission control system is EVAP evaporative emissions Evaporative emissions for California models are only applicable to fuel tanks An Emission Control Label is located on the engine This is an EXAMPLE ONLY information on label varies by engine FAMILY Product Emission Durability Emission Compliance Period The 50 or 300 hour emission compliance period is the time span selected by the m...

Page 14: ...al s on your unit Make sure the decal s is legible and that you understand and follow the instructions on it If a decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDERING instructions for specific information 11 12 13 14 15 16 17 18 19 1 2 5 6 8 9 10 4 3 7 ...

Page 15: ...AD 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 8 CUT OFF KNIFE Automatically trims line to the correct length 13 cm 5 inches 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 oc...

Page 16: ...uel filter 16 FUEL TANK CAP Covers and seals fuel tank opening 17 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 18 AIR CLEANER Contains replaceable filter element 19 PURGE BULB Pumping purge bulb before starting engine draws fresh fuel from the fuel tank purging a...

Page 17: ...ssembly may be necessary After opening the carton check for damage Immediately notify your retailer or ECHO Dealer of damaged or missing parts Use the contents list to check for missing parts _____ 1 Power Head Drive Shaft Assembly _____ 1 Operator s Manual _____ 1 Safety Manual _____ 1 Warranty Statement _____ 1 Safety Glasses _____ 1 Echo Power Blend XTM 2 Stroke Oil Sample ...

Page 18: ...t 1 Place the shield on the bottom of the bearing housing flange 2 Place shield plate B on shield align holes Install three 3 screws from bottom through plate and shield into gear case 3 Assemble adapter plate C onto PTO shaft Nylon Line Head Installation Wear Gloves or personal injury may result Cutoff knife is sharp Gearcase and surrounding area may be hot Parts Required Debris Shield Shield Pla...

Page 19: ...locking tool D Semi automatic nylon line heads must be used only with debris shield with cut off knife Using nylon line heads with debris shield without cutoff knife can result in trimmer damage caused by operation with excessive line length Note Your nylon line head may appear different than nylon line head shown To Advance Trimmer Line See Maintenance Section for nylon line replacement Note To a...

Page 20: ...position support handle for comfortable operation and securely tighten screws OPERATION Moving parts can amputate fingers or cause severe injuries Keep hands clothing and loose objects away from all openings Always stop engine disconnect spark plug and make sure all moving parts have come to a complete stop before removing obstructions clearing debris or servicing unit Engine exhaust IS HOT and co...

Page 21: ... bar or U handle and harness can result in serious personal injury Follow installation instructions DO NOT INSTALL BLADES ON GT CURVED SHAFT MODEL TRIMMERS Arbor Diameter of Upper Blade Plate must match arbor diameter of blades New cotter pin required each time blade is installed PARTS REQUIRED FOR THESE BLADES Pro Maxi Cut Grass Weed Blade Rigid Plastic Tri Cut Grass Weed Blade Metal Blade Suppor...

Page 22: ...de can cause serious personal injury Blades MUST be sharp Dull blades increase the chance of kick out and injury to yourself and bystanders Plastic Nylon Grass Weed Blades may be used where ever the nylon line head is used DO NOT use this blade for heavy weeds or brush 8 Tooth Weed Grass Blade is designed for grass garden debris and thick weeds up to 19 mm 3 4 in diameter DO NOT use this blade for...

Page 23: ...k and unintended machine operation including but not limited to improper clutch engagement Diesel or alternative fuels may also cause premature deterioration of fuel lines gaskets carburetors and other engine components Fuel Requirements Gasoline Use 89 Octane R M 2 mid grade or higher gasoline known to be good quality Gasoline may contain up to 10 Ethanol grain alcohol or 15 MTBE methyl tertiary ...

Page 24: ...ine is HOT or RUNNING DO NOT fill fuel tanks indoors ALWAYS fill fuel tanks outdoors over bare ground DO NOT overfill fuel tank Wipe up spills immediately Securely tighten fuel tank cap and close fuel container after refueling Inspect for fuel leakage If fuel leakage is found do not start or operate unit until leakage is repaired Move at least 3 m 10 ft from refueling location before starting the ...

Page 25: ... approved airtight container Store in a well ventilated unoccupied building away from sparks and flames Stored fuel ages Do not mix more fuel than you expect to use in thirty 30 days ninety 90 days when a fuel stabilizer is added Stored two stroke fuel may separate ALWAYS shake fuel container thoroughly before each use Starting Cold Engine The attachment will operate immediately when the engine st...

Page 26: ... the RUN open position Firmly grasp throttle handle and throttle trigger lockout with left handandfullydepressthrottle trigger to wide open position Pull starter handle rope until engine starts and runs Release throttle trigger and allow unit to warm up atidle for several minutes Note If engine does not start with choke in RUN position after 5 pulls repeat instructions 2 5 6 Throttle Trigger After...

Page 27: ... STOP position 2 Purge Bulb Pump purge bulb C until fuel is visible in the Clear fuel return line Pump bulb an additional 4 or 5 times 3 Recoil Starter Lay the unit on a flat area and keep movable attachment parts clear of all obstacles Firmly grip throttle handle and throttle trigger lockout with left hand Rapidly pull recoil starter handle rope D until engine fires Note If engine does not start ...

Page 28: ... before removing obstructions clearing debris or servicing unit Allow unit to cool before performing service Wear gloves to protect hands from sharp edges and hot surfaces Your ECHO unit is designed to provide many hours of trouble free service Regular scheduled maintenance will help your unit achieve that goal If you are unsure or are not equipped with the necessary tools you may want to take you...

Page 29: ...enance to maintain emission integrity COMPONENT SYSTEM MAINTENANCE PROCEDURE REQ D SKILL LEVEL Daily or Before Use Air Filter Inspect Clean 1 Choke Shutter Inspect Clean 1 Fuel System Inspect 3 1 Cooling System Inspect Clean 2 Recoil Starter Rope Inspect Clean 1 Screws Nuts Bolts Inspect Tighten Replace 1 Every Refuel Fuel System Inspect 3 1 3 Months Air Filter Replace 1 Fuel Filter Inspect 1 Fuel...

Page 30: ...Soak heavily soiled filters in water detergent solution to loosen dirt then brush lightly Rinse with clean water and allow to dry completely before reuse 4 Install air filter in air filter case 5 Install air filter cover Fuel Filter Level 1 Fuel is VERY flammable Use extreme care when mixing storing or handling or serious personal injury may result 1 Use a clean rag to remove loose dirt from aroun...

Page 31: ...placement part Spark Plug Level 2 Use only NGK BPM 8Y spark plug BPMR 8Y in Canada otherwise severe engine damage may occur 1 Remove spark plug and check for fouling worn and rounded center electrode 2 Clean the plug or replace with a new one DO NOT sand blast to clean Remaining sand will damage engine 3 Adjust spark plug gap by bending outer electrode 4 Tighten spark plug to 150 170 kgf cm 130 15...

Page 32: ... the engine and prevents the heat from leaving Removal of cooling passage blockages or cleaning of cooling fins is considered Normal Maintenance Any failure attributed to lack of maintenance is not warranted 1 Remove spark plug lead 2 Remove air cleaner cover A 3 Remove engine cover B DO NOT use a metal scraper to remove dirt from the cylinder fins 4 Use brush to remove dirt from the cylinder fins...

Page 33: ... carbon dirt from entering cylinder 3 Remove spark arrestor screen cover C gaskets D E and screen F from muffler body 4 Clean carbon deposits from muffler components Note When cleaning carbon deposit be careful not to damage the catalytic element inside muffler 5 Replace screen if it is cracked plugged or has holes burned through 6 Assemble components in reverse order Exhaust Port Cleaning Level 2...

Page 34: ...all engine cover and attach spark plug lead 8 Start engine and warm to operating temperature 9 Stop engine and re tighten mounting bolts or nuts to specifications Carburetor Adjustment Level 2 Engine Break In New engines must be operated a minimum duration of two tanks of fuel break in before carburetor adjustments can be made During the break in period your engine performance will increase and ex...

Page 35: ... adjustments other than idle speed must be performed by an authorized ECHO dealer 1 Check idle speed and reset if necessary If a tachometer is available idle speed screw A should be set to the specifications found on Specifications page of this manual Turn idle screw A clockwise to increase idle speed counterclockwise to decrease idle speed When carburetor adjustment is completed the cutting attac...

Page 36: ...m drive shaft housing 2 Pull flexible cable from the drive shaft housing wipe clean and re coat with a thin coating 15 ml 1 2 oz of grease 3 Slide the flexible cable back in the drive housing DO NOT get dirt on the flex cable 4 Install the gear housing and shield assembly Flat edge of washers D must be against drive shaft Nylon Line Head Disassembly Instructions Note For normal use Speed Feed head...

Page 37: ...acement For more information scan the QR code Wear Gloves or personal injury may result Cutoff knife is sharp Gearcase and surrounding area may be hot 1 Cut one piece of line to recommended length 2 0 mm 080 diam 6 m 20 ft 2 4 mm 095 diam 6 m 20 ft 2 Align arrows on top of knob with openings in eyelets 3 Insert one end of trimmer line into an eyelet and push line equal distance through trimmer hea...

Page 38: ...Three styles of metal blades are approved for use on the ECHO Brush Cutter The 8 tooth blade can be sharpened during normal maintenance The clearing blade and 80 tooth blade require professional service Before sharpening CLOSELY inspect blade for cracks look at the bottom of each tooth and the center mounting hole closely missing teeth and bending If ANY of these problems are discovered replace th...

Page 39: ... the flat file The radius must remain A sharp corner will lead to a crack and blade failure If an electric grinder is used use care not to overheat teeth do not allow tips tooth to glow red or turn blue DO NOT place blade in cooling water This will change the temper of the blade and could result in blade failure 3 After sharpening teeth check each tooth radius for evidence of a square sharp corner...

Page 40: ... Echo dealer Fuel at cylinder No fuel at cylinder Carburetor See your Echo dealer Muffler wet with fuel Fuel Mixture too rich OPEN choke Clean replace air filter Adjust car buretor See your Echo dealer Spark at end of plug wire No spark Stop switch OFF Electrical prob lem Interlock switch Turn switch to ON See your Echo dealer See your Echo dealer Spark at plug No spark Spark gap incorrect Covered...

Page 41: ... protective storage maintenance which includes the following 1 Store unit in a dry dust free place out of the reach of children Engine runs but dies or does not acceler ate properly Air filter Air filter dirty Normal wear Clean or replace Fuel filter Fuel filter dirty Contaminants residues in fuel Replace Fuel vent Fuel vent plugged Contaminants residues in fuel Clean or replace Spark Plug Plug di...

Page 42: ...lb 6 7 times to remove remaining fuel from carburetor then drain the tank again Close choke start and run the engine until it stops due to lack of fuel 7 a Allow engine to cool then remove the spark plug and pour 7 cc 1 4 oz of fresh clean two stroke engine oil into the cylinder through the spark plug hole b Pull the recoil starter handle 2 3 times to distribute the oil inside the engine c Observe...

Page 43: ...TM or ECHO Red Armor ISO L EGD ISO CD 13738 and J A S O M345 FD two stroke air cooled engine oil Gasoline Use 89 Octane unleaded Do not use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Do not use alternative fuels such as E15 or E85 Oil Power Blend XTM or ECHO Red Armor Premium Universal 2 Stroke Oil Fuel Tank Capacity 0 44 L 14 9 US fl oz Starter System Automatic Rewind St...

Page 44: ...SPECIFICATIONS SRM 225 44 X7722279402 2 2016 ECHO Inc Clutch Engagement Speed 3 850 RPM Wide Open Throttle Speed W O T 8 700 RPM MODEL SRM 225 ...

Page 45: ...X7722279402 45 2 2016 ECHO Inc SRM 225 NOTES NOTES ...

Page 46: ...oduct on line It s FAST and EASY NOTE your information will 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 consideration If you do not have access to the Internet you can complete the form below and mail to ECHO Inc Product Registration PO Box 1139 Lake Zur...

Page 47: ...X7722279402 47 2 2016 ECHO Inc SRM 225 PRODUCT REGISTRATION ...

Page 48: ...NOTES SRM 225 48 X7722279402 2 2016 ECHO Inc NOTES ...

Page 49: ...X7722279402 49 2 2016 ECHO Inc SRM 225 NOTES ...

Page 50: ...NOTES SRM 225 50 X7722279402 2 2016 ECHO Inc ...

Page 51: ...X7722279402 51 2 2016 ECHO Inc SRM 225 NOTES ...

Page 52: ...ECHO INCORPORATED 400 Oakwood Road Lake Zurich IL 60047 www echo usa com T74414001001 T74414999999 T74514001001 T74514999999 T79914001001 T79914999999 ...

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