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SRM-266

MAINTENANCE

X7502028004

43

© 

02/21

 ECHO Incorporated

Nylon Line Replacement

Wear gloves or personal injury may result:

Cutoff knife is sharp.

Gearcase and surrounding area may be hot.

Never use wire or wire-rope that can break off and become a 
dangerous “projectile”. Serious injury can occur.

1.

Cut one piece of line to
recommended length.
2.0 mm (0.080 in.) diameter
6 m (20 ft.).
2.4 mm (0.095 in.) diameter
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
head.

Summary of Contents for SRM-266

Page 1: ... Trimmer Brushcutter The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Read and understand all provided literature before use Failure to do so could result in serious injury ...

Page 2: ...mission Control Exhaust Evaporative 15 CARB And EPA Emissions Control Information 15 Description 16 Contents 17 Assembly 18 Nylon Line Head Installation 18 To Advance Trimmer Line 19 Remove Nylon Line Head 19 Support Handle Installation 19 Operation 20 Operation With Blades 20 Blade Selection 22 Fuel 24 Starting Cold Engine 27 Starting Warm Engine 28 Stopping Engine 29 Applications 30 Operating Te...

Page 3: ...ture 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 Read and understand all provided literature Literature contains specifications and information for safety operation maintenance storage and assembly specific to this product Scan QR codes for more i...

Page 4: ...om When presenting your unit for Warranty service repairs proof of purchase is required ECHO Consumer Product Support If you require assistance or have questions concerning the application operation or maintenance of this product call the ECHO Consumer Product Support Department at 1 800 432 ECHO 3246 from 8 00 am to 5 00 pm Central Standard Time Monday through Friday Before calling please know th...

Page 5: ...nal injury or death if not avoided The safety alert symbol accompanied by the word WARNING calls attention to an act or condition which CAN lead to serious personal injury or death if not avoided The safety alert symbol accompanied by the word CAUTION calls attention to an act or condition which may lead to minor or moderate personal injury if not avoided The enclosed message provides information ...

Page 6: ...ar Eye Ear and Head Protection Carburetor Adjustment Idle Speed Wear Hand and Foot Protection Carburetor Adjustment Low Speed Mixture Safety Alert Emergency Stop Hot Surface Fuel and Oil Mixture AVOID KICKOUT Keep Bystanders At Least 15 m 50 ft Away Beware Thrown Objects Wear Eye Protection DO NOT Allow Flames or Sparks Near Fuel Ignition ON OFF DO NOT Smoke Near Fuel Primer Bulb H T L ...

Page 7: ...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: ... improperly and or safety precautions are not followed Proper clothing and safety gear must be worn when operating unit Physical Condition Your judgment and physical dexterity may not be good If you are tired or sick If you are taking medication If you have taken alcohol or drugs Operate unit only if you are physically and mentally well Eye Protection Eye protection that meets ANSI Z87 1 or CE req...

Page 9: ...ant matter such as pollen Make sure the mask does not impair your vision and replace the mask as needed to prevent air restrictions Proper Clothing Wear snug fitting durable clothing Pants should have long legs shirts should have long sleeves DO NOT WEAR SHORTS DO NOT WEAR TIES SCARVES JEWELRY or clothing with loose or hanging items that could become entangled in moving parts or surrounding growth...

Page 10: ... believed that a condition called Raynaud s Phenomenon which affects the fingers of certain individuals may be brought about by exposure to vibration and cold Exposure to vibration and cold may cause tingling and burning sensations followed by loss of color and numbness in the fingers The following precautions are strongly recommended because the minimum exposure which might trigger the ailment is...

Page 11: ...o the following Avoid using your wrist in a bent extended or twisted position Instead try to maintain a straight wrist position Also when grasping use your whole hand not just the thumb and index finger Take periodic breaks to minimize repetition and rest your hands Reduce the speed and force with which you do the repetitive movement Do exercises to strengthen the hand and arm muscles Immediately ...

Page 12: ...a risk of injury from thrown objects Bystanders should be encouraged to wear eye protection If you are approached stop the engine and cutting attachment When a bladed unit is used there is the added risk of injury to bystanders being struck with the moving blade in the event of a blade thrust or other unexpected reaction of the blade Keep A Firm Grip Always hold throttle handle and support handle ...

Page 13: ...is firmly attached and in safe operating condition Manufacturer recommended flexible non metallic line is installed in the trimmer head Assure that throttle trigger throttle trigger lockout and stop switch all work properly Check that handle and harness if included are installed and adjusted for safe comfortable operation See Assembly Section for proper adjustment Moving parts can amputate fingers...

Page 14: ... connectors for nicks cuts exposed wire or other damage and repair or replace as needed Exposed wire or connectors can cause shocks sparks and risk of fire or explosion resulting in serious injury Check wire terminals for secure connections Periodically Check fuel system fuel lines vent grommet fuel tank and fuel cap for leaks especially if the unit is dropped If damage or leaks are found do not u...

Page 15: ...l line emission control system is EVAP evaporative emissions Evaporative emissions for California models are only applicable to fuel tanks and fuel feed lines 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 sel...

Page 16: ... 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 Safety label is for example only Your label my appear slightly different 1 2 3 4 5 6 7 8 9 10 15 14 13 12 11 19 18 17 16 ...

Page 17: ...e contents list to check for missing parts 1 Power Head 2 Throttle Handle For Right Hand 3 Throttle Trigger Lockout 4 Stop Switch 5 Support Handle For Left Hand 6 Drive Shaft Assembly 7 Nylon Cutter Head 8 Cut off Knife 9 Debris Shield With Cut off Knife 10 Throttle Trigger 11 Spark Plug 12 Arm Rest 13 Recoil Starter Handle 14 Spark Arrestor Muffler Or Spark Arrestor Muffler With Catalyst 15 Fuel ...

Page 18: ...earcase and surrounding area may be hot 1 Be sure adapter plate C remains on PTO shaft A 2 Align locking hole in upper plate with notch in edge of gear housing and insert head locking tool D 3 Thread line head E onto shaft by turning it counterclockwise until head is tight against adapter plate 4 Remove locking tool D Parts Required Nylon Line Head C A D E D ...

Page 19: ...ylon line replacement Note To advance trimmer line tap trimmer head against the ground while the head is turning at normal operating speed Remove Nylon Line Head Note Do not disassemble nylon line head 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 lock...

Page 20: ... your face and body Operation of this equipment may create sparks that can start fires around dry vegetation This unit is equipped with a spark arrestor to prevent discharge of hot particles from the engine Metal cutters can also create sparks if the cutter strikes rocks metal or other hard objects Contact local fire authorities for laws or regulations regarding fire prevention requirements Operat...

Page 21: ...th either blade conversion kit or U handle kit and verify blade is secured properly A new cotter pin is required each time a blade is installed Brushcutters over 7 5 kg 16 5 lbs dry weight without fuel require a double shoulder harness Note The barrier bar is used to restrict rearward movement of the unit The barrier bar is not a handle and should not be gripped when using or carrying the unit Pro...

Page 22: ...unapproved blade 3 Tooth Grass Weed Blades may be used wherever 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 0 75 in diameter DO NOT use this blade for brush or heavy woody growth 80 Tooth Brush Blade is designed for cutting brush and woody growth up to 13 mm 0 5 in diameter 22 To...

Page 23: ...er Waist Harness Use of the shoulder waist harness is recommended for ALL Trimmer brushcutter use not just blade operation The shoulder waist harness when used in a trimming operation with nylon line head suspends the trimmer from the operator s shoulder and reduces operator fatigue During blade operation the same fatigue reduction is achieved Safety to the operator is also enhanced by reducing th...

Page 24: ...nded to extend engine life in all air cooled 2 stroke and 2 4 stroke hybrid engines Two Stroke Oil A two stroke engine oil such as ECHO branded 2 stroke oils meeting ISO L EGD ISO CD 13738 and J A S O FD Standards must be used ECHO branded 2 stroke oils meet these standards Engine problems due to inadequate lubrication caused by failure to use an ISO L EGD ISO CD 13738 and J A S O M345 FD certifie...

Page 25: ...en fuel caps slowly allowing pressure to equalize NEVER refuel a unit when the engine 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 leakag...

Page 26: ...ty Contact your local government for the laws affecting your area As a precaution store fuel in an approved airtight container Store in a well ventilated unoccupied building away from sparks and flames Empty the fuel tank prior to storing the unit Return unused fuel to an approved fuel storage container Stored fuel ages Do not mix more fuel than you expect to use in 30 days 90 days when a fuel sta...

Page 27: ...button A forward away from the STOP position 2 Choke Move choke lever B to COLD START position 3 Purge Bulb Pump purge bulb C until fuel is visible and flows freely in the clear fuel tank return line Pump bulb an additional 4 or 5 times 4 Recoil Starter Lay the unit on a flat area and keep movable attachment parts clear of all obstacles Firmly graspthrottlehandleandthrottle trigger lockout with le...

Page 28: ...s repeat instructions 2 5 6 Throttle Trigger After engine warm up grip throttle handle and support handle Depress the throttle trigger lockout and gradually depress throttle trigger to increase engine RPM to operating speed Starting Warm Engine The starting procedure is the same as Cold Start except DO NOT close the choke and do not hold throttle trigger fully depressed The attachment should not m...

Page 29: ...igger lockout with left hand Rapidly pull recoil starter handle rope D until engine fires Note If engine does not start after 5 pulls use Cold Start Procedure Stopping Engine 1 Throttle Release throttle trigger and allow engine to return to idle before shutting off engine 2 Stop Switch Move stop switch button A backward to STOP position If engine does not stop when stop switch is moved to STOP pos...

Page 30: ...perator Scything Scything Swing the cutting head in a level arc gradually feeding the line into the material being cut Move forward with each arc to cut a swath Width of cutting swath depends on arc Use a larger arc for a wider swath or a smaller arc for a narrow swath Keep line head tilted to direct cutting debris forward or away from you Operating Techniques Debris flows in direction of line hea...

Page 31: ...the contact point regardless of where the contact is being made These types of reactive forces are also called Blade Thrust As shown in the illustration a blade turning counterclockwise will cause the equipment to pull away from the operator if the point of cutting resistance is on the left side of the blade If the point of cutting resistance is on the right side of the blade the equipment will pu...

Page 32: ...und in the cut stop the engine and support the trimmer or brushcutter to keep stress off the blade Push the tree away from the entry point of the cut to open the cut and pull the blade directly away from the cut in a straight line motion Use caution when releasing the tree to avoid being struck by spring back or falling Inspect the blade for damage before proceeding Sharpen teeth if dull or replac...

Page 33: ... 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 we recommend that you take your unit to a Servicing Dealer for maintenance To help you decide whether you want to DO IT YOURSELF or have the Dealer do it each maintenance task has been graded If the task is not...

Page 34: ... recommended based on the finding of damage or wear during inspection COMPONENT SYSTEM MAINTENANCE PROCEDURE SKILL LEVEL Daily or Before Use Air Filter Inspect Clean 1 Choke Shutter Fuel System Inspect 3 Cooling System Inspect Clean 2 Recoil Starter Rope Inspect Clean 1 Screws Nuts Bolts Inspect Tighten Replace Every Refuel Fuel System Inspect 3 1 3 Months Air Filter Replace 1 Fuel Filter Inspect ...

Page 35: ...elow 5 Foam Pre filter Clean foam filter in water detergent solution and rinse with clean water Wrap the filter in a clean dry cloth and squeeze do not wring dry Allow to dry completely before reuse Do not oil Dual Layer Air Filter Lightly brush debris from filter Soak heavily soiled filters in water detergent solution to loosen dirt then brush lightly Rinse with clean water and allow to dry compl...

Page 36: ... fuel filter with the fingers on one hand and the fuel line with the other hand Pull and twist slightly to separate 4 Install the new filter with the reverse action Note Federal EPA regulations require all model year 2012 and later gasoline powered engines produced for sale in the United States to be equipped with a special low permeation fuel supply hose between the carburetor and fuel tank When ...

Page 37: ...g gap by bending outer electrode 4 Tighten spark plug to 150 170 kgf cm 130 150 in lbf Cooling System Level 2 To maintain proper engine operating temperatures cooling air must pass freely through the cylinder fin area This flow of air carries combustion heat away from the engine Overheating and engine seizure can occur when Air intakes are blocked preventing cooling air from reaching the cylinder ...

Page 38: ... to lack of maintenance is not warranted 1 Remove spark plug lead 2 Remove air cleaner cover 3 Remove muffler cover A 4 Remove engine cover B 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 ...

Page 39: ...t inside muffler 6 Replace screen if it is cracked plugged or has holes burned through 7 Assemble components in reverse order Exhaust Port Cleaning Level 2 1 Remove spark plug lead from spark plug and remove engine cover 2 Place piston at top dead center Remove muffler A and heat shield B 3 Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port Never use a metal tool to s...

Page 40: ...and exhaust emissions will stabilize Idle speed can be adjusted as required High Altitude Operation This engine has been factory adjusted to maintain satisfactory starting emission and durability performance up to 1 100 feet above sea level ASL 96 0 kPa To maintain proper engine operation and emission compliance above 1 100 feet ASL the carburetor may need to be adjusted by an authorized ECHO serv...

Page 41: ...wise to increase idle speed counterclockwise to decrease idle speed When carburetor adjustment is completed the cutting attachment should not move at idle otherwise serious personal injury may result Lubrication Level 1 Parts Required Lithium Based Grease Gear Case Gear cases without grease plug A do not require lubrication 1 Clean all loose debris from gear case 2 Remove plug A and check level of...

Page 42: ...oz of grease 3 Slide the flexible cable D back in the drive housing DO NOT get dirt on the flex cable 4 Install the gear housing and shield assembly Nylon Line Head Disassembly Instructions Note For normal use Speed Feed head disassembly is not necessary However if circumstances require disassembly follow these instructions 1 Press top of locking tabs A on both sides of Speed Feed head to release ...

Page 43: ...be hot Never use wire or wire rope that can break off and become a dangerous projectile Serious injury can occur 1 Cut one piece of line to recommended length 2 0 mm 0 080 in diameter 6 m 20 ft 2 4 mm 0 095 in diameter 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 head ...

Page 44: ... smooth or if holes appear replacement of the cover or the entire Speed Feed head is required Sharpening Metal Blades Several styles of metal blades are approved for use on the Brushcutter 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...

Page 45: ...til all teeth are sharp 2 DO NOT file the gullet radius of the tooth with 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 sharp...

Page 46: ...ucted Clean or replace See your dealer Fuel at cylinder No fuel at cylinder Carburetor See your dealer Muffler wet with fuel Fuel mixture too rich OPEN choke Clean or replace air filter Adjust carburetor See your dealer Spark at end of plug wire No spark Stop switch OFF Electrical problem Inter lock switch Turn switch to ON See your dealer Spark at plug Incorrect gap Covered with carbon Fouled wit...

Page 47: ...l filter Fuel filter dirty Contaminants or residue in fuel Replace filter or replace fuel Fuel vent Fuel vent plugged Contaminated fuel Clean or replace Spark plug Plug dirty or worn Normal wear Clean and adjust or replace Carburetor Improper adjustment Vibration Adjust Cooling system Cooling system dirty or plugged Extended oper ation in dirty or dusty locations Clean Spark arrestor screen Spark ...

Page 48: ...sition 3 Remove accumulation of grease oil dirt and debris from exterior of unit 4 Perform all periodic lubrication and services that are required 5 Tighten all the screws and nuts 6 Drain fuel tank completely Press purge bulb 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 Allow engine to cool R...

Page 49: ... 50 1 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 E 15 or E 85 Oil ISO L EGD ISO CD 13738 and J A S O M345 FD two stroke air cooled engine oil Fuel Tank Capacity 0 50 L 16 9 US fl oz Starter System Automatic Rewind Starter Clutch Centrifugal Type Vibration Isolated System Rubber cushion on engi...

Page 50: ...w product 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...

Page 51: ...SRM 266 PRODUCT REGISTRATION X7502028004 51 02 21 ECHO Incorporated ...

Page 52: ...ECHO INCORPORATED 400 Oakwood Road Lake Zurich IL 60047 www echo usa com T47514001001 T47514999999 U54414001001 U54414999999 U54212001001 U54212999999 ...

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