Echo SRM-3020T Operator's Manual
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Echo SRM-3020T Operator's Manual

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x7722271404 / x772000164
SRM-3020T
GRASS TRIMMER
/ BRUSH CUTTER
Operator's Manual
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.
Note: This product complies with CAN ICES-2/NMB-2.
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.
X7502350100
© 04/2018 ECHO Inc.

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  • Page 1 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. X7502350100 © 04/2018 ECHO Inc.

  • Page 2: Table Of Contents

    Table of Contents ..................2 Introduction ....................4 Servicing Information .................. 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 ................
  • Page 3 Nylon Line Head Disassembly Instructions ........39 Nylon Line Replacement ..............40 Sharpening Metal Blades ..............41 Troubleshooting ..................43 Storage ..................... 44 Long Term Storage (Over 30 Days)........... 44 Specifications ................... 46 Product Registration ................. 48 Notes ......................50 X7502350100 © 04/2018 ECHO Inc.

  • Page 4: Introduction

    Service Service of this product during the warranty period must be performed by an Authorized ECHO Service Dealer. For the name and address of the Authorized ECHO Service Dealer nearest you, ask your retailer or call: 1-800-432-ECHO (3246). Dealer information is also available on our Web Site www.echo-usa.com.

  • Page 5: Echo Consumer Product Support

    Register your ECHO equipment on-line at www.echo-usa.com or by filling out the product registration sheet included in this manual. Registering your product confirms warranty coverage and provides a direct link to ECHO if we find it necessary to contact you.

  • Page 6: International Symbols

    Operator’s Manual High Speed Mixture Wear Eye, Ear and Carburetor Adjustment - Head Protection Idle Speed Wear Hand and Foot Carburetor Adjustment - Protection Low Speed Mixture Safety/Alert Emergency Stop Hot Surface Fuel and Oil Mixture X7502350100 © 04/2018 ECHO Inc.
  • Page 7 Choke Control “COLD Choke Control “RUN” START” Position (Choke Position (Choke Open) Closed) Keep Feet Away Rotating Cutting From Blade Attachment Keep Bystanders and Helpers Away 15 m (50 ft.) Thrown Objects Direction of Blade X7502350100 © 04/2018 ECHO Inc.

  • Page 8: Personal Condition And Safety Equipment

    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 X7502350100 © 04/2018 ECHO Inc.
  • Page 9 Hearing/Ear Protection ECHO recommends wearing hearing protection whenever unit is used. Breathing Protection Operators who are sensitive to dust or other common airborne allergens may need to wear a dust mask to prevent inhaling these materials while operating unit.
  • Page 10 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.
  • Page 11 All over head electrical conductors and communications wires can have electricity flow with high voltages. This unit is not insulated against electrical current. Never touch wires directly or indirectly, otherwise serious injury or death may result. X7502350100 © 04/2018 ECHO Inc.

  • Page 12: Equipment

    • Keep exhaust area clear of flammable debris. Avoid contact during and immediately after operation. Equipment Use only ECHO attachments. Serious injury may result from the use of a non-approved attachment combination. ECHO, INC. will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO.
  • Page 13 Check wiring and 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. Checkwire terminals for secrure connections. ◆ X7502350100 © 04/2018 ECHO Inc.

  • Page 14: Emission Control (Exhaust & Evaporative)

    Maintenance Section of this manual. X7502350100 © 04/2018 ECHO Inc.

  • Page 15: Description

    Locate the safety decal(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. The safety decal is for example only. Your label may appear slightly different.
  • Page 16 11. Spark Plug 12. Arm Rest 13. Recoil Starter Handle 14. Spark Arrestor Muffler Or Spark Arrestor Muffler With Catalyst 15. Fuel Tank 16. Fuel Tank Cap 17. Choke 18. Air Cleaner 19. Purge Bulb X7502350100 © 04/2018 ECHO Inc.

  • Page 17: Contents

    Due to packaging restrictions, some assembly 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. Power Head / Drive Shaft Assembly Operator’s Manual...

  • Page 18: Operation With Blades

    Avoid contact with blades. Wear gloves to protect hands. Blade use demands specific brush cutter configuration. Operation without specified shield, barrier bar or U-handle, and harness can result in serious personal injury. Follow installation instructions. X7502350100 © 04/2018 ECHO Inc.

  • Page 19: Blade Selection

    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. X7502350100 © 04/2018 ECHO Inc.
  • Page 20 (A) when unit is not in use. Keep blades in protective packaging until ready to install. Store blades safely after removal to prevent injury from accidental contact. Use blade protectors to protect blade teeth during unit transportation. X7502350100 © 04/2018 ECHO Inc.

  • Page 21: Fuel

    Fuel Diesel fuels and alternative fuels, such as E-15 (15% ethanol), E -85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2-stroke gasoline engines. Use of diesel or alternative fuels may cause...
  • Page 22 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 certified oil, such as ECHO brand 2-stroke oils, will void the two- stroke engine warranty. 2-Stroke engine oil contains petroleum distillates and other additives that may be harmful if swallowed.
  • Page 23 Add the proper amount of gal. fl.oz. 2-stroke oil to gasoline. Close container and shake to mix oil with gasoline. Add remaining gasoline, close fuel container, and remix. X7502350100 © 04/2018 ECHO Inc.

  • Page 24: Starting Cold Engine

    If a protective blade cover is used, ALWAYS remove blade cover before starting equipment. X7502350100 © 04/2018 ECHO Inc.
  • Page 25 Release throttle trigger and allow unit to warm up at idle for several minutes. Note: If engine does not start with choke in “RUN” position after 5 pulls, repeat instructions 2 - 5. Throttle Trigger X7502350100 © 04/2018 ECHO Inc.

  • Page 26: Starting Warm Engine

    Move stop switch button (A) forward away from the STOP position. Purge Bulb Pump purge bulb (B) until fuel is visible in the “Clear” fuel return line. Pump bulb an additional 4 or 5 times. X7502350100 © 04/2018 ECHO Inc.

  • Page 27: Stopping Engine

    STOP position. If engine does not stop when stop switch is moved to STOP position, close choke - COLD START position - to stall engine. Have your ECHO dealer repair stop switch before using unit again. Applications Nylon line heads may be used for trimming, scything, edging, and scalping...

  • Page 28: Operating Techniques

    The reactive force is in the opposite direction of blade rotation at the contact point, regardless of where the contact is being made. These types of reactive forces are also called “Blade Thrust. X7502350100 © 04/2018 ECHO Inc.

  • Page 29: Blade Cutting Problems

    Use caution when releasing the tree to avoid being struck by spring-back or falling. X7502350100 © 04/2018 ECHO Inc.

  • Page 30: Maintenance

    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, we recommend that you take your unit to an ECHO Servicing Dealer for maintenance.

  • Page 31: Maintenance Intervals

    SRM-3020T MAINTENANCE Level 3 = See your dealer. Click HERE or go to http://www.echo-usa.com/products/maintenance-kit for information on Maintenance Kits. Maintenance Intervals MAINTENANCE SKILL COMPONENT/SYSTEM PROCEDURE LEVEL Daily or Before Use Air Filter Inspect/Clean* Choke Shutter Fuel System Inspect Cooling System...

  • Page 32: Air 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 X7502350100 © 04/2018 ECHO Inc.

  • Page 33: Fuel Filter

    Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result. Use a clean rag to remove loose dirt from around fuel cap and empty fuel tank. Pull the fuel filter from the fuel tank. X7502350100 © 04/2018 ECHO Inc.

  • Page 34: Spark Plug

    Clean the plug or replace with a new one. DO NOT sand blast to clean. Remaining sand will damage engine. 0.65 mm (0.026 in.) Adjust spark plug gap by bending outer electrode. Tighten spark plug to 102-153 kgf•cm (89-133 in•lbf). X7502350100 © 04/2018 ECHO Inc.

  • Page 35: Cooling System

    Remove spark plug lead. Remove muffler cover (A). Remove engine cover (B). DO NOT use a metal scraper to remove dirt from the cylinder fins. Use brush to remove dirt from the cylinder fins. X7502350100 © 04/2018 ECHO Inc.

  • Page 36: Exhaust System

    Note: When cleaning carbon deposit, be careful not to damage the catalytic element inside muffler. Replace screen if it is cracked, plugged, or has holes burned through. Assemble components in reverse order. Exhaust Port Cleaning Level 2. Parts Required: As needed: Heat Shield X7502350100 © 04/2018 ECHO Inc.

  • Page 37: Carburetor Adjustment

    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 exhaust emissions will stabilize. Idle speed can be adjusted as required. X7502350100 © 04/2018 ECHO Inc.
  • Page 38 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. X7502350100 © 04/2018 ECHO Inc.

  • Page 39: Lubrication

    However, if circumstances require disassembly, follow these instructions. Press top of locking tabs (A) on ® both sides of Speed Feed head to release cover (B) from eyelet carrier (C). Remove cover from eyelet carrier. X7502350100 © 04/2018 ECHO Inc.

  • Page 40: Nylon Line Replacement

    2.4 mm (0.095 in.) diameter 7.6 m (25 ft.). Align arrows on top of knob with openings in eyelets. Insert one end of trimmer line into an eyelet, and push line equal distance through trimmer head. X7502350100 © 04/2018 ECHO Inc.

  • Page 41: Sharpening Metal Blades

    Sharpening Metal Blades Several styles of metal blades are approved for use on the Brush Cutter. The 8-tooth blade can be sharpened during normal maintenance. The clearing blade and 80-tooth blade require professional service. X7502350100 © 04/2018 ECHO Inc.
  • Page 42 This will change the temper of the blade and could result in blade failure. After sharpening teeth, check each tooth radius for evidence of a square (sharp) corner. Use the round (rat tail) file to renew the radius. X7502350100 © 04/2018 ECHO Inc.

  • Page 43: Troubleshooting

    - Inter- wire start dealer lock switch No spark Incorrect gap - Adjust to 0.65mm Covered with (0.026 in.) Spark at carbon - Fouled plug Clean or replace with fuel - Plug plug defective X7502350100 © 04/2018 ECHO Inc.

  • Page 44: Storage

    Do not store your unit for a prolonged period of time (30 days or longer) without performing protective storage maintenance which includes the following: Store unit in a dry, dust free place, out of the reach of children. X7502350100 © 04/2018 ECHO Inc.
  • Page 45 Observe the piston location through the spark plug hole. Pull the recoil handle slowly until the piston reaches the top of its travel and leave it there. 10. Install the spark plug. Connect the spark plug lead to the spark plug. X7502350100 © 04/2018 ECHO Inc.

  • Page 46: Specifications

    Spark Plug NGKCMR7H Gap 0.6 mm (0.026 in.) Fuel Mixed (Gasoline and Two-stroke Oil) 50 : 1 Power Blend X or ECHO Red Armor ISO- Fuel/Oil Ratio L-EGD (ISO/CD 13738) and J.A.S.O. M345- FD, two-stroke, air-cooled engine oil. Use 89 Octane unleaded. Do not use fuel containing...
  • Page 47 SRM-3020T SPECIFICATIONS MODEL SRM-3020T Handle Front - loop, Rear handle Shoulder Harness Optional Idle Speed 2,900 RPM Clutch Engagement Speed 3,700RPM Wide Open Throttle Speed 10,200 RPM (W.O.T.) X7502350100 © 04/2018 ECHO Inc.

  • Page 48: Product Registration

    Please go to http://www.echo-usa.com/Warranty/Register-Your-ECHO to register your new 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.
  • Page 49 SRM-3020T PRODUCT REGISTRATION X7502350100 © 04/2018 ECHO Inc.

  • Page 50: Notes

    NOTES SRM-3020T NOTES X7502350100 © 04/2018 ECHO Inc.
  • Page 51 SRM-3020T NOTES X7502350100 © 04/2018 ECHO Inc.
  • Page 52 U09815001001 -U09815999999 ECHO, INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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