Echo SRM-2620U Operator's Manual
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Echo SRM-2620U Operator's Manual

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x7722271404 / x772000164
GRASS TRIMMER / BRUSH
Operator's Manual
The muffler or catalytic muffler and surrounding cover may
become extremely hot.
Always keep clear of exhaust and muffler area, otherwise
serious personal injury may occur.
The engine exhaust from this product contains chemicals known to the
State of California to cause cancer, birth defects or other reproductive
harm.
Users of this equipment risk injury to themselves and others
if the unit is used improperly and/or safety precautions are
not followed. ECHO provides an operator's manual and a
safety manual. Both must be read and understood for
proper and safe operation. 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.
X7502341900
© 10/2016 ECHO Inc.
SRM-2620U
CUTTER
Burn Hazard

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Summary of Contents for Echo SRM-2620U

  • Page 1 Users of this equipment risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. ECHO provides an operator’s manual and a safety manual. Both must be read and understood for proper and safe operation. Failure to do so could result in serious injury.

  • Page 2: Table Of Contents

    The Safety Manual................4 Servicing Information .................. 4 Parts/Serial Number ................4 Service....................5 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 ........42 Nylon Line Replacement ..............42 Sharpening Metal Blades ..............44 Troubleshooting ..................45 Storage ..................... 46 Long Term Storage (Over 30 Days)........... 46 Specifications ................... 48 Product Registration ................. 50 X7502341900 © 10/2016 ECHO Inc.

  • Page 4: Introduction

    INTRODUCTION SRM-2620U INTRODUCTION Welcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-the-job dependability. Read and understand this manual and the SAFETY MANUAL. You will find both easy to use and full of helpful operating tips and SAFETY messages.

  • Page 5: 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.

  • Page 6: 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 X7502341900 © 10/2016 ECHO Inc.
  • Page 7 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 X7502341900 © 10/2016 ECHO Inc.

  • Page 8: Personal Condition And Safety Equipment

    Eye protection that meets ANSI Z87.1 or CE requirements ◆ must be worn whenever you operate the unit. For additional safety, a full-face shield may be worn over ◆ safety glasses or goggles to provide protection from sharp branches or flying debris. X7502341900 © 10/2016 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 Never touch wires directly or indirectly, otherwise serious injury or death may result. Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death. X7502341900 © 10/2016 ECHO Inc.

  • Page 12: Equipment

    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: 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. X7502341900 © 10/2016 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. X7502341900 © 10/2016 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. X7502341900...
  • Page 16 Using the strap reduces operator fatigue. 12. DEBRIS SHIELD without CUT-OFF KNIFE - Required when unit is equipped with blades. Do not operate unit without shield. 13. SPARK PLUG - Provides spark to ignite fuel mixture. X7502341900 © 10/2016 ECHO Inc.
  • Page 17 Pump purge bulb an additional 4 or 5 times. - Contains Stop THROTTLE HANDLE - FOR RIGHT HAND Switch, Throttle Lockout, and Throttle Trigger. 23. SUPPORT HANDLE - FOR LEFT HAND. X7502341900 © 10/2016 ECHO Inc.

  • Page 18: 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. _____ 1 - Power Head / Drive Shaft Assembly _____ 1 - U-handle Assembly _____ 1 - Operator’s Manual...

  • Page 19: Assembly

    Assure throttle wire retaining clip remains in place as shown when removing or installing air filter cover. Check throttle for freedom of movement and that wide open throttle / low idle extremes are adjusted properly. X7502341900 © 10/2016 ECHO Inc.

  • Page 20: Blade Installation

    ASSEMBLY SRM-2620U Note: The throttle linkage must be adjusted by moving the adjustment nut (D). Consult with your Echo Dealer for correct adjustment procedure. Tighten nut (E). Connect 2 ignition stop leads (F, G) from throttle cable assembly to 2 ignition leads (F, G) on engine.
  • Page 21 Install (3) bolts (L) and (3) lock nuts (M). Tighten all shield hardware. Install Blade Parts Required: Upper Plate with pilot, Lower Plate, 10 mm Nut with Left Hand threads, 2 x 25 mm Cotter Pin, Blade. X7502341900 © 10/2016 ECHO Inc.

  • Page 22: Shield Installation

    Shield with cutoff knife is for use with the Nylon Line Head only. Install shield without cutoff knife when using plastic or metal blades, or serious injury may result. Remove blade, blade mounting hardware, and shield without cutoff knife and retain for future use with blade conversions. X7502341900 © 10/2016 ECHO Inc.

  • Page 23: Nylon Line Head Installation

    Semi-automatic nylon line heads must be used only with debris shield with cut-off knife. Using nylon line heads with debris shield without cutoff knife can result in trimmer damage, caused by operation with excessive line length. X7502341900 © 10/2016 ECHO Inc.

  • Page 24: To Advance Trimmer Line

    Keep hands, clothing and loose objects away from all openings. 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. X7502341900 © 10/2016 ECHO Inc.

  • Page 25: Operation With Blades

    Shield w/o cutoff knife Harness Harness Harness Upper Plate & Upper Plate Upper/Lower Flat Washer & Glide Cup Blade Plates Hex Nut Hex Nut Hex Nut New Cotter Pin New Cotter Pin New Cotter Pin X7502341900 © 10/2016 ECHO Inc.

  • Page 26: Blade Selection

    8 Tooth Weed/Grass Blade is designed for grass, garden debris and thick weeds up to 19 mm (3/4 in.) diameter. DO NOT use this blade for brush or heavy woody growth. X7502341900 © 10/2016 ECHO Inc.
  • Page 27 Note: In case of Emergency, pull up on the Quick Release Collar to disconnect the trimmer from the harness. X7502341900 © 10/2016 ECHO Inc.

  • Page 28: Fuel

    ™ Echo premium Power Blend X Universal 2-Stroke Oil 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 may result.
  • Page 29 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. X7502341900 © 10/2016 ECHO Inc.

  • Page 30: Starting Cold Engine

    Pump bulb an additional 4 or 5 times. Note: Lightly place knee on drive shaft to stabilize unit during starting. Do not apply excessive downward force or damage to unit can occur. Recoil Starter X7502341900 © 10/2016 ECHO Inc.

  • Page 31: 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 ECHO Dealer. Stop Switch X7502341900 © 10/2016 ECHO Inc.

  • Page 32: Stopping Engine

    5 pulls, use Cold Start Procedure. Stopping Engine Throttle Release throttle trigger and allow engine to return to idle before shutting off engine. Stop Switch Move stop switch button (A) backward to STOP position. X7502341900 © 10/2016 ECHO Inc.

  • Page 33: Maintenance

    Wear gloves to protect hands from sharp edges and hot surfaces. 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 34: 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. X7502341900 © 10/2016 ECHO Inc.
  • Page 35 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. X7502341900 © 10/2016 ECHO Inc.

  • Page 36: Fuel Filter

    Pull the fuel filter from the fuel tank. Do not damage fuel line while removing fuel filter from tank. Remove the filter from the line and install the new filter. X7502341900 © 10/2016 ECHO Inc.

  • Page 37: Spark Plug

    Level 2. Parts Required: None if you are careful. 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. X7502341900 © 10/2016 ECHO Inc.

  • Page 38: Exhaust System

    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. Exhaust System Spark Arrestor Screen Level 2. Parts Required: Spark Arrestor Screen, Gasket X7502341900 © 10/2016 ECHO Inc.
  • Page 39 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. X7502341900 © 10/2016 ECHO Inc.

  • Page 40: Carburetor Adjustment

    (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 service dealer. If the engine is adjusted for operation above 1,100 feet ASL, the carburetor must be re-adjusted when operating the engine below 1,100 feet ASL, otherwise severe engine damage may result.

  • Page 41: Lubrication

    Pull flexible cable from the drive shaft housing, wipe clean and re-coat with a thin coating [15 ml (1/2 oz.)] of grease. Slide the flexible cable back in the drive housing. DO NOT get dirt on the flex cable. Install the gear housing and shield assembly. X7502341900 © 10/2016 ECHO Inc.

  • Page 42: Nylon Line Head Disassembly Instructions

    Cut one piece of line to recommended length. 2.0 mm (.080) diam. – 6 m (20 ft.) 2.4 mm (.095) diam. – 6 m (20 ft.) Align arrows on top of knob with openings in eyelets. X7502341900 © 10/2016 ECHO Inc.
  • Page 43 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. Wear Indicators X7502341900 © 10/2016 ECHO Inc.

  • Page 44: Sharpening Metal Blades

    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. X7502341900 © 10/2016 ECHO Inc.

  • Page 45: Troubleshooting

    Check Status Cause Remedy Fuel at No fuel at Fuel strainer Clean or replace carburetor carburetor clogged - Fuel - See your Echo line clogged - dealer Carburetor Fuel at No fuel at Carburetor See your Echo cylinder cylinder dealer...

  • Page 46: Storage

    Place the stop switch in the “OFF” position. Remove accumulation of grease, oil, dirt and debris from exterior of unit. Perform all periodic lubrication and services that are required. Tighten all the screws and nuts. X7502341900 © 10/2016 ECHO Inc.
  • Page 47 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 (do not connect ignition cable). X7502341900 © 10/2016 ECHO Inc.

  • Page 48: Specifications

    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 49 SRM-2620U SPECIFICATIONS MODEL SRM-2620U Handle U-Handle Shoulder Harness included Idle Speed 3,000 RPM Clutch Engagement Speed 4,100 RPM Wide Open Throttle Speed 11,300 RPM (W.O.T.) X7502341900 © 10/2016 ECHO Inc.

  • Page 50: 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 51 SRM-2620U PRODUCT REGISTRATION X7502341900 © 10/2016 ECHO Inc.
  • Page 52 T94415001001 - T94415999999 ECHO, INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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