Echo SRM-3020U Operator's Manual
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Echo SRM-3020U Operator's Manual

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Operator's
SRM-3020U
Grass 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.
This product complies with CAN ICES-2/NMB-2.
X7502350202
© 12/2019 ECHO Inc.
Manual

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Summary of Contents for Echo SRM-3020U

  • Page 1 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. X7502350202 © 12/2019 ECHO Inc.

  • Page 2: Table Of Contents

    Table of Contents.......................... 2 Introduction ........................... 3 Servicing Information ........................3 Parts/Serial Number ......................3 Service..........................4 ECHO Consumer Product Support..................4 Product Registration ......................4 Additional Literature......................4 Safety............................4 Manual Safety Symbols and Important Information............. 4 International Symbols ......................5 Personal Condition and Safety Equipment ................

  • Page 3: Introduction

    SERVICING INFORMATION Parts/Serial Number Genuine ECHO 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. For future reference write them in the space provided below.

  • Page 4: Service

    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 5: International Symbols

    Carburetor Warning, See Adjustment - High Operator’s Manual Speed Mixture Wear Eye, Ear Carburetor and Head Adjustment - Idle Protection Speed Carburetor Wear Hand and Adjustment - Low Foot Protection Speed Mixture Safety/Alert Emergency Stop X7502350202 © 12/2019 ECHO Inc.
  • Page 6 Choke Control Choke Control “COLD START” “RUN” Position Position (Choke (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 X7502350202 © 12/2019 ECHO Inc.

  • Page 7: Personal Condition And Safety Equipment

    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. X7502350202 © 12/2019 ECHO Inc.
  • Page 8 Hearing/Ear Protection ECHO recommends wearing personal 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 9 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 10 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. X7502350202 © 12/2019 ECHO Inc.
  • Page 11 Do not over reach. • Keep cutting attachment below waist. • Keep all body parts away from rotating cutting attachment Avoid Hot Surfaces • Keep exhaust area clear of flammable debris. Avoid contact during and immediately after operation. X7502350202 © 12/2019 ECHO Inc.

  • Page 12: Equipment

    ECHO INC. Read and comply with all safety instructions. Do not attempt to modify this product. Serious injury can ◆...

  • Page 13: Emission Control (Exhaust & Evaporative)

    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). X7502350202 © 12/2019 ECHO Inc.
  • Page 14 The 50 or 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emissions output meets applicable emissions regulations, provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual. X7502350202 © 12/2019 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: 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...

  • Page 17: Assembly

    Install as shown: A - U-handle clamps B - Drive shaft bracket C - Flat washer D - U-handle bolt Route throttle linkage and ignition lead assembly (E) along shaft and clip as shown. X7502350202 © 12/2019 ECHO Inc.

  • Page 18: Throttle Linkage And Ignition Leads

    Blades must be selected for type of cutting being performed. See “Blade Selection.” You must install the U-handle and all blade conversion parts shown in the following instructions before operating this unit with a metal blade, otherwise serious injury may result. X7502350202 © 12/2019 ECHO Inc.

  • Page 19: Install Blade Shield And Blade

    (B) and bottom of gear case flange. Install three bolts (C) and three lock nuts (D). Tighten all shield hardware. Install upper plate with pilot on splined power take off shaft, pilot side out. X7502350202 © 12/2019 ECHO Inc.

  • Page 20: Shield With Cutoff Knife And Nylon Line Head Installation

    Note: Your nylon line head may appear different than nylon line head shown. Remove blade, blade mounting hardware, and shield without cutoff knife and retain for future use with blade conversions. X7502350202 © 12/2019 ECHO Inc.

  • Page 21: To Advance Trimmer Line

    Remove locking tool (E). To Advance Trimmer Line See Maintenance Section for nylon line replacement. Note: To advance trimmer line, tap trimmer head against the ground while the head is turning at normal operating speed. X7502350202 © 12/2019 ECHO Inc.

  • Page 22: Balance And Adjust 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. X7502350202 © 12/2019 ECHO Inc.

  • Page 23: Operation With Blades

    Harness Upper Plate & Upper/Lower Blade Plates Flat Washer Hex Nut New Cotter Pin *ANSI standards require brush cutters be equipped with a barrier bar or restrictive harness. U-Handle ensures a higher safety factor. X7502350202 © 12/2019 ECHO Inc.

  • Page 24: Blade Selection

    SRM-3020U 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.
  • Page 25 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. X7502350202 © 12/2019 ECHO Inc.

  • Page 26: Fuel

    Gasoline may contain up to 10% Ethanol (grain alcohol) or 15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol (wood alcohol) is NOT approved. Use of ECHO branded fuel is recommended to extend engine life in all air-cooled 2-stroke and 2/4-stroke hybrid engines.
  • Page 27 SRM-3020U OPERATION 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.
  • Page 28 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. X7502350202 © 12/2019 ECHO Inc.

  • Page 29: Starting Cold Engine

    Stop Switch Move stop switch button (A) forward, away from the STOP position. X7502350202 © 12/2019 ECHO Inc.

  • Page 30: Starting Warm 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. X7502350202 © 12/2019 ECHO Inc.
  • Page 31 Pump purge bulb (C) until fuel is visible in the “Clear” fuel return line. Note: Lightly place knee on drive shaft to stabilize unit during starting. Do not apply excessive downward force or damage to unit can occur. X7502350202 © 12/2019 ECHO Inc.

  • Page 32: 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 of grass and light weeds.

  • Page 33: Operating Techniques

    The greater the cutting force or the amount of resistance, the greater the reactive force. X7502350202 © 12/2019 ECHO Inc.

  • Page 34: Blade Cutting Problems

    If a blade binds in a cut, don’t try to get it out by applying “up and down” force to pry the cut open. Applying prying force to the blade can bend the blade, and result in blade failure and injury. X7502350202 © 12/2019 ECHO Inc.

  • Page 35: Maintenance

    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 listed, see your Dealer for repairs. X7502350202 © 12/2019 ECHO Inc.

  • Page 36: Skill Levels

    Level 1 = Easy to do. Common tools may be required. Level 2 = Moderate difficulty. Some specialized tools may be required. Level 3 = See your dealer. Click HERE or go to http://www.echo-usa.com/products/maintenance-kit HERE https://www.shindaiwa-usa.com/you-can.aspx For information about maintenance kits.

  • Page 37: Air Filter

    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. Remove air filter cover. Brush dirt from inside cover. X7502350202 © 12/2019 ECHO Inc.
  • Page 38 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. Assemble components in reverse order. X7502350202 © 12/2019 ECHO Inc.

  • Page 39: Fuel Filter

    Pull and twist slightly to separate. Install the new fuel filter with the reverse action. When the inside of the fuel tank is dirty, rinse the tank out with gasoline to clean it. X7502350202 © 12/2019 ECHO Inc.

  • Page 40: Spark Plug

    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). Cooling System Level 2. X7502350202 © 12/2019 ECHO Inc.
  • Page 41 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. X7502350202 © 12/2019 ECHO Inc.

  • Page 42: Exhaust System

    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 X7502350202 © 12/2019 ECHO Inc.

  • Page 43: 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. X7502350202 © 12/2019 ECHO Inc.

  • Page 44: Lubrication

    Turn idle screw (A) clockwise to increase idle speed; counterclockwise to decrease idle speed. Lubrication Level 1. Parts Required: Lithium Based Grease. Gear Case Gear cases without grease plug (A) do not require lubrication. X7502350202 © 12/2019 ECHO Inc.

  • Page 45: Nylon Line Head Disassembly Instructions

    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. X7502350202 © 12/2019 ECHO Inc.

  • Page 46: 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. X7502350202 © 12/2019 ECHO Inc.
  • Page 47 When the wear indicators located at the bottom of the ® Speed-Feed head are worn smooth, or if holes appear, replacement of the cover or the ® entire Speed-Feed head is required. HDFH line head requires no maintenance. X7502350202 © 12/2019 ECHO Inc.

  • Page 48: Sharpening Metal Blades

    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. X7502350202 © 12/2019 ECHO Inc.

  • Page 49: Storage

    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. X7502350202 © 12/2019 ECHO Inc.

  • Page 50: Specifications

    MTBE. Do not use alternative fuels such as E15 or E85. ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345- FD, two-stroke, air-cooled engine oil. Fuel Tank Capacity 0.71 L (24 US fl. oz.) Starter System Automatic rewind starter X7502350202 © 12/2019 ECHO Inc.
  • Page 51 450 LH nylon line head, line capacity Cutter Head 7.6 m (25 ft.) Handle Front – loop, rear handle Shoulder Harness Optional Idle Speed 2,900 RPM Clutch Engagement Speed 3,700 RPM Wide Open Throttle Speed 10,200 RPM X7502350202 © 12/2019 ECHO Inc.

  • Page 52: 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 53 SRM-3020U PRODUCT REGISTRATION X7502350202 © 12/2019 ECHO Inc.

  • Page 54: Notes

    NOTES SRM-3020U NOTES X7502350202 © 12/2019 ECHO Inc.
  • Page 55 SRM-3020U NOTES X7502350202 © 12/2019 ECHO Inc.
  • Page 56 U09915001001 - U09915999999 U33915001001 - U33915999999 ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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