Echo U29515001001 Operator'S Manual Download Page 34 | Manualshive

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MAINTENANCE

SRM-2320T

34

X7732278302

© 07/21 ECHO Incorporated

IMPORTANT NOTE

- Time intervals shown are maximum. Actual use and

your experience will determine the frequency of required maintenance.

MAINTENANCE PROCEDURE NOTES:

1

Apply lithium based grease every 25 hours of use.

2

Apply lithium based grease every 50 hours of use.

3

Low evaporative fuel tanks DO NOT require regular maintenance to

maintain emission integrity.

* Replacement is recommended based on the finding of damage or wear

during inspection.

Air Filter

Level 1.

Parts Required: Tune-Up Kit.

1.

Close choke (COLD START [

] position). This prevents dirt from

entering the carburetor throat when the air filter is removed. Brush

accumulated dirt from air cleaner area.

2.

Remove air filter cover. Brush

dirt from inside cover.

3.

Remove foam pre-filter (B) and

air filter (C) and clean as

indicated below:

4.

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.

Air Filter

• Lightly brush debris from filter. Replace filter if it is damaged, fuel

soaked, very dirty, or the rubber sealing edges are deformed.

5.

Assemble components in reverse order.

C

B

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33
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Summary of Contents for U29515001001

Page 1: ...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 This product complies with CAN ICES 2 NMB 2 ...

Page 2: ...bly 18 Support Handle Installation 18 Operation 18 Operation with Blades 19 Blade Selection 20 Fuel 22 Starting Cold Engine 25 Starting Warm Engine 26 Stopping Engine 27 Applications 28 Operating Techniques Nylon Line Head 28 Operating Techniques Metal or Plastic Blade 29 Reaction Forces 30 Blade Cutting Problems 31 Maintenance 32 Skill Levels 33 Maintenance Intervals 33 Air Filter 34 Fuel Filter ...

Page 3: ...llustrative 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 Read and understand all provided literature Literature contains specifications and information for safety operation maintenance storage and assembly specific to th...

Page 4: ...ation operation or maintenance of this product call the ECHO Consumer Product Support Department at 1 800 432 ECHO 3246 from 8 00 a m to 5 00 p m Central Standard Time Monday through Friday Before calling please know the model and serial number of your unit Product Registration Register your ECHO equipment on line at www echo usa com or by filling out the product registration sheet included in thi...

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 might lead to minor or moderate personal injury if not avoided The enclosed message provides informatio...

Page 6: ...ar and Head Protection Carburetor Adjustment Idle Speed Wear Hand and Foot Protection Carburetor Adjustment Low Speed Mixture Safety Alert STOP Switch 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 Purge Bulb H T L STOP Ignition OFF ON ...

Page 7: ...rol 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 DO NOT USE LINE HEADS Blades Only DO NOT USE BLADES Line Heads Only Symbol Description Symbol Description ...

Page 8: ...ed 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 r...

Page 9: ...her plant 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 ...

Page 10: ...is 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 ...

Page 11: ...n 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 stop using all power equipment and consult a doctor if you feel tingling num...

Page 12: ... 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 with thumbs and fingers tightly encircling the handles Keep a Solid Stance M...

Page 13: ...tachment 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 amputat...

Page 14: ...d 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 ...

Page 15: ...el 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 se...

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 3 4 6 7 5 2 8 9 10 11 12 13 15 14 16 17 18 19 20 ...

Page 17: ...nts list to check for missing parts 1 Air Filter 2 Purge Bulb 3 Spark Plug 4 Top Guard 5 Spark Arrestor Muffler or Spark Arrestor Muffler with Catalyst 6 Fuel Tank 7 Fuel Tank Guard 8 Fuel Tank Cap 9 Recoil Starter Handle 10 Choke 11 Power Head 12 Throttle Handle For Right Hand 13 Throttle Trigger Lockout 14 Throttle Trigger 15 Stop Switch 16 Support Handle For Left Hand 17 Drive Shaft Assembly 18...

Page 18: ...op before removing obstructions clearing debris or servicing unit Engine exhaust IS HOT and contains Carbon Monoxide CO a poison gas Breathing CO can cause unconsciousness serious injury or death Exhaust can cause serious burns ALWAYS position unit so that exhaust is directed away from your face and body Operation of this equipment may create sparks that can start fires around dry vegetation This ...

Page 19: ...a barrier bar or restrictive harness U Handle ensures a higher safety factor Do Not install blades on GT Curved Shaft model trimmers Use only ECHO approved parts Failure to use the correct parts can cause the blade to fly off Seriously injury to the operator and or bystanders can occur Arbor diameter of upper blade plate must match arbor diameter of blades Pro Maxi Cut Grass Weed Blade Tri Cut Gra...

Page 20: ...used MUST be matched to the type and size of material cut An improper or dull blade can cause serious personal injury Blades MUST be sharp Dull blades increase the chance of kick out and injury to yourself and bystanders Never use an edging blade circular saw blade or any other type of unapproved blade 3 Tooth Grass Weed Blades may be used wherever the nylon line head is used DO NOT use this blade...

Page 21: ...der 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 t...

Page 22: ...ECHO branded fuel is recommended 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 ...

Page 23: ...osen 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 leak...

Page 24: ...re the use of automatic fuel shut off containers to reduce fuel spillage Storage Fuel storage laws vary by locality 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 ...

Page 25: ... 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 l...

Page 26: ...ls 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 ...

Page 27: ...ovable 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 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...

Page 28: ...the line gradually into the material you wish to cut avoiding contact with fences or other barriers GT models Tilt cutting head to the left while cutting to direct debris away from the operator 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 ar...

Page 29: ... sections of field grass and weeds swing the cutting head in a level arc gradually feeding the blade into the material being cut Adjust throttle speed according to your work Do not swing the main pipe with arms Turn hips to swing the blade horizontally from right to left and cut weeds on the left side of the blade Do not scythe back and forth as the grass may scatter and kickback may occur easily ...

Page 30: ... of balance or loss of control of the equipment resulting in serious injury to operator and bystanders Understanding what causes these reactive forces may help you to avoid them and can help you to maintain control of the equipment if you experience a sudden reaction during cutting Reactive forces occur when the force being applied by the cutting teeth of a blade meet resistance and some of the cu...

Page 31: ...cutting job Using properly sharpened blades Applying consistent even force to the blade during the cut Avoiding obstacles and ground hazards Using extra care when cutting harder materials such as extremely dry brush saplings and small trees Cutting from a stable secure position Blade Cutting Problems Binding Blades may bind in the cut if dull or forced Binding can damage blade and result in blade ...

Page 32: ...vicing unit Allow unit to cool before performing service Wear gloves to protect hands from sharp edges and hot surfaces Operating a poorly maintained unit can result in serious injuries to operator or bystanders Always follow all maintenance instructions as written otherwise serious personal injury can result Your unit is designed to provide many hours of trouble free service Regular scheduled mai...

Page 33: ...NCE PROCEDURE SKILL LEVEL Daily or Before Use Air Filter Inspect Clean 1 Choke Shutter Fuel System Inspect3 Cooling System Inspect Clean 2 Recoil Starter Rope Inspect Clean 1 Screws Nuts Bolts Inspect Tighten Replace Blade Inspect Replace 1 Every Refuel Fuel System Inspect3 1 3 Months Air Filter Replace 1 Fuel Filter Inspect Fuel Cap Gasket Spark Plug Inspect Clean Replace Muffler Spark Arrestor 2...

Page 34: ...Level 1 Parts Required Tune Up Kit 1 Close choke COLD START position This prevents dirt from entering the carburetor throat when the air filter is removed Brush accumulated dirt from air cleaner area 2 Remove air filter cover Brush dirt from inside cover 3 Remove foam pre filter B and air filter C and clean as indicated below 4 Foam Pre filter Clean foam filter in water detergent solution and rins...

Page 35: ...ve the fuel filter Pinch the 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 ca...

Page 36: ... 3 Adjust spark plug gap by bending outer electrode 4 Tighten spark plug to 150 170 kgf cm 130 150 lbf in 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 rea...

Page 37: ... maintenance is not warranted 1 Remove spark plug lead 2 Close choke COLD START position This prevents dirt from entering the carburetor throat when the air filter is removed 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 a brush to remove dirt from the cylinder fins 5 Remove ignition wires from clip for cleaning B A ...

Page 38: ... s 1 Remove spark plug lead and engine cover 2 Place piston at Top Dead Center TDC to prevent 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 ...

Page 39: ...inder exhaust port C Never use a metal tool to scrape carbon from the exhaust port Do not scratch the cylinder or piston when cleaning the exhaust port Do not allow carbon particles to enter the cylinder 4 Inspect heat shield and replace if damaged 5 Install heat shield and muffler 6 Tighten muffler mounting bolts or nuts to 90 110 kgf cm 80 95 lbf in 7 Install engine cover and attach spark plug l...

Page 40: ... m 1100 ft ASL the carburetor may need to be adjusted by an authorized service dealer If the engine is adjusted for operation above 330 m 1100 ft ASL the carburetor must be re adjusted when operating the engine below 330 m 1 100 ft ASL otherwise severe engine damage may result Note Every unit is run at the factory and the carburetor is set in compliance with emission regulations Carburetor adjustm...

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: ...n 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 toot...

Page 45: ...ntil 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 shar...

Page 46: ...e 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 Interlock switch Turn switch to ON See your dealer Spark at plug Incorrect gap Covered with carbon Fouled with fuel Plug defective Adjust to 0 65 mm 0 026 in Clean or replace plug Engine runs but dies or Engine does not accelerate properly Air fi...

Page 47: ...but dies or Engine does not accelerate properly Spark plug Plug dirty or worn Normal wear Clean and adjust or replace Carburetor Improper adjustment Vibration Adjust Cooling system Cooling systemdirty or plugged Extended operation in dirty or dusty locations Clean Spark arrestor screen Spark arrestor screen plugged Normal wear Replace Engine does not crank N A Internal engine problem See your deal...

Page 48: ...osition 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 ...

Page 49: ...l Ratio 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 E15 or E85 Oil ISO L EGD ISO CD 13738 and J A S O M345 FD two stroke air cooled engine oil Fuel Tank Capacity 0 42 L 14 2 US fl oz Starter System Automatic Rewind Starter Clutch Centrifugal Type Vibration Isolated System Rubber cushion on...

Page 50: ...t on line It s FAST and EASY NOTE your information will never be sold or misused by ECHO Incorporated 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 Incorporated Product Registration PO Box...

Page 51: ...SRM 2320T PRODUCT REGISTRATION X7732278302 51 07 21 ECHO Incorporated ...

Page 52: ...ECHO INCORPORATED 400 Oakwood Road Lake Zurich IL 60047 www echo usa com U29515001001 U29515999999 U58815001001 U58815999999 ...

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