Echo SRM-410X Operator's Manual
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Echo SRM-410X Operator's Manual

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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.
X7502168400
© 11/20 ECHO Incorporated
Operator's
Manual
SRM-410X

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Summary of Contents for Echo SRM-410X

  • 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. X7502168400 © 11/20 ECHO Incorporated...

  • 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 STOP Switch X7502168400 © 11/20 ECHO Incorporated...
  • Page 6 Away 15 m (50 ft.) Thrown Objects Direction of Blade DO NOT USE DO NOT USE LINE HEADS - BLADES - Line Blades Only Heads Only Note: Not all symbols will appear on your unit. X7502168400 © 11/20 ECHO Incorporated...

  • 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. X7502168400 © 11/20 ECHO Incorporated...
  • Page 8 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 personal protective equipment 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 can result. X7502168400 © 11/20 ECHO Incorporated...
  • 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. X7502168400 © 11/20 ECHO Incorporated...

  • Page 12: Equipment

    Incorporated will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO Incorporated. Read and comply with all safety instructions. Do not attempt to modify this product. Serious injury can ◆...

  • Page 13: Emission Control (Exhaust & Evaporative)

    “B”, “C”, “K”, or “T”, the emission control system is EM and TWC (3-way catalyst). The fuel tank/fuel line emission control system is EVAP (evaporative emissions). Evaporative emissions for California models are only applicable to fuel tanks and fuel feed lines. X7502168400 © 11/20 ECHO Incorporated...
  • 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. X7502168400 © 11/20 ECHO Incorporated...

  • 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 Operator’s Manual...

  • Page 17: Assembly

    (B) using screws (C) and nuts (D). Support handle (A) must be at least 10 in. (250 mm) from center of rear handle grip. Adjust support handle (A) position for comfortable operation, and tighten screws (C) securely. X7502168400 © 11/20 ECHO Incorporated...

  • Page 18: Shield Installation

    Secure shield with bolt (I) and nut (J). Changing Shields Remove bolt (I) and nut (J). Press tab (K) and slide shield with cut off knife off shield base. Install shield without cutoff knife as in previous section. X7502168400 © 11/20 ECHO Incorporated...

  • Page 19: Line Head Installation

    (N) Thread line head (O) onto PTO shaft by turning it counterclockwise until head is tight against fixing plate. Balance and Adjust Unit Loosen harness clamp screw. Put on harness and attach unit to harness. X7502168400 © 11/20 ECHO Incorporated...

  • Page 20: Operation

    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. X7502168400 © 11/20 ECHO Incorporated...

  • Page 21: Operation With Blades

    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.

  • Page 22: Blade Selection

    13 mm (0.5 in.) diameter. 22 Tooth Clearing Blade is designed for dense thickets and saplings up to 64 mm (2.5 in.) diameter. A trimmer-brushcutter with a metal blade can cause serious injuries if handled improperly. X7502168400 © 11/20 ECHO Incorporated...
  • Page 23 Make sure the warning sign on the back of the shoulder harness can be read easily. Note: In case of Emergency, disconnect the trimmer from the harness. X7502168400 © 11/20 ECHO Incorporated...

  • Page 24: Fuel

    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. 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.
  • Page 25 AVOID inhaling oil mists or vapors. ◆ ECHO branded 2-stroke oils may be mixed at 50:1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals. Handling Fuel Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury will result.
  • Page 26 • Empty the fuel tank prior to storing the unit. Return unused fuel to an approved fuel storage container. Stored two-stroke fuel can separate. ALWAYS shake fuel container thoroughly before each use. Used oil and gasoline, and soiled towels are hazardous waste materials. Disposal laws vary by locality. X7502168400 © 11/20 ECHO Incorporated...

  • Page 27: Starting Cold Engine

    START ( ) position. 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. Press decompression device X7502168400 © 11/20 ECHO Incorporated...

  • Page 28: Starting Warm Engine

    The attachment should not move at idle, otherwise serious personal injury may result. Note: If attachment moves, readjust carburetor according to “Carburetor Adjustment” instructions in this manual or see your dealer. Press decompression device. X7502168400 © 11/20 ECHO Incorporated...
  • Page 29 Firmly grip throttle handle and throttle trigger lockout with left hand. Rapidly pull recoil starter handle/rope (E) until engine fires. Note: If engine does not start after 2-3 pulls, use Cold Start Procedure. X7502168400 © 11/20 ECHO Incorporated...

  • Page 30: Stopping Engine

    Feed 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. X7502168400 © 11/20 ECHO Incorporated...

  • Page 31: Operating Techniques - Metal Or Plastic Blade

    • Do not scythe back and forth as the grass may scatter and kickback may occur easily. • Tilt blade left by 5 to 10 degrees so that cut grasses will push left, making progress easier. • Move forward with each arc to cut a swath. X7502168400 © 11/20 ECHO Incorporated...

  • Page 32: Reaction Forces

    The greater the cutting force or the amount of resistance, the greater the reactive force. X7502168400 © 11/20 ECHO Incorporated...
  • Page 33 • 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 X7502168400 © 11/20 ECHO Incorporated...

  • Page 34: Blade Cutting Problems

    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. Allow unit to cool before performing service. Wear gloves to protect hands from sharp edges and hot surfaces. X7502168400 © 11/20 ECHO Incorporated...

  • Page 35: 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 36: Air Filter

    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. X7502168400 © 11/20 ECHO Incorporated...

  • Page 37: Fuel Filter

    Keep air nozzle 6 - 8 inches away from filter to prevent damage to filter. Install air filter in case, and replace cover. Fuel Filter Level 1. Parts Required: Tune Up Kit. X7502168400 © 11/20 ECHO Incorporated...

  • Page 38: 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 150-170 kgf•cm (130-150 in•lbf). X7502168400 © 11/20 ECHO Incorporated...

  • Page 39: Cooling System

    DO NOT use a metal scraper to remove dirt from the cylinder fins. Use brush to remove dirt from the cylinder fins. Remove grass and leaves from the grid between the recoil starter and fuel tank. Assemble components in reverse order. X7502168400 © 11/20 ECHO Incorporated...

  • Page 40: Exhaust System

    Parts Required: As needed: Heat Shield 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. X7502168400 © 11/20 ECHO Incorporated...

  • Page 41: Carburetor Adjustment

    330 m (1100 ft.) above sea level (ASL) (96.0 kPa). To maintain proper engine operation above 330 m (1100 ft.) ASL the carburetor may need to be adjusted by an authorized service dealer. X7502168400 © 11/20 ECHO Incorporated...

  • Page 42: 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. X7502168400 © 11/20 ECHO Incorporated...

  • Page 43: 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. X7502168400 © 11/20 ECHO Incorporated...

  • Page 44: 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. X7502168400 © 11/20 ECHO Incorporated...
  • Page 45 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. X7502168400 © 11/20 ECHO Incorporated...

  • Page 46: 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. X7502168400 © 11/20 ECHO Incorporated...

  • Page 47: Troubleshooting

    - wire See your dealer Interlock switch Incorrect gap - Adjust to No spark Covered with 0.65 mm Spark at carbon - Fouled (0.026 in.) plug with fuel - Plug Clean or replace defective plug X7502168400 © 11/20 ECHO Incorporated...
  • Page 48 See your dealer problem crank Fuel vapors are extremely flammable and can cause fire and/or explosion. Never test for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury can result. X7502168400 © 11/20 ECHO Incorporated...

  • Page 49: Storage

    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. X7502168400 © 11/20 ECHO Incorporated...

  • Page 50: Specifications

    28.0 mm (1.1 in.) aluminum tube Drive Shaft 8 mm (0.31 in.) steel shaft Gear Case Ratio 1.33 Rotating Direction Counterclockwise; viewed from top ® Speed Feed 450 LH nylon line head, line capacity Cutter Head 7.6 m (25 ft.) X7502168400 © 11/20 ECHO Incorporated...
  • Page 51 SRM-410X SPECIFICATIONS MODEL SRM-410 Handle Front – loop, rear handle Shoulder Harness Included Idle Speed 2,900 RPM Clutch Engagement Speed 3,700 RPM Wide Open Throttle Speed 10,200 RPM X7502168400 © 11/20 ECHO Incorporated...

  • 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, 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.
  • Page 53 SRM-410X PRODUCT REGISTRATION X7502168400 © 11/20 ECHO Incorporated...

  • Page 54: Notes

    NOTES SRM-410X NOTES X7502168400 © 11/20 ECHO Incorporated...
  • Page 55 SRM-410X NOTES X7502168400 © 11/20 ECHO Incorporated...
  • Page 56 U46212001001 -U46212999999 ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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