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. X7502341701 © 3/2018 ECHO Inc.
TABLE OF CONTENTS SRM-2620 TABLE OF CONTENTS Table of Contents ........................................................................................ 2 Introduction ................................................................................................. 4 Servicing Information .................................................................................. 4 Parts/Serial Number ............................................................................ 4 Service..............................
SRM-2620 TABLE OF CONTENTS Specifications ........................................................................................... 42 Product Registration ................................................................................. 44 Notes ........................................................................................................ 46 ENGLISH X7502341701 © 3/2018 ECHO Inc.
INTRODUCTION SRM-2620 INTRODUCTION 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. This product was designed and manufactured to provide long life and onthe-job dependability. Read and understand all provided literature. Keep manuals in a safe place for future reference.
SRM-2620 SAFETY Service ECHO Consumer Product Support If you require assistance or have questions concerning the application, operation, or maintenance of this product, call the ECHO Consumer Product Support Department at 1-800-673-1558 from 8:00 am to 5:00 pm (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.
SAFETY SRM-2620 The safety alert symbol accompanied by the word “DANGER” calls attention to an act or condition which WILL lead to serious personal 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 may lead to minor or moderate personal injury if not avoided.
SRM-2620 Symbol SAFETY Description Symbol Description Emergency Stop 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 Primer Bulb Choke Control “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.
SAFETY SRM-2620 Personal Condition and Safety Equipment Cancer and Reproductive Harm www.P65Warnings.ca.gov 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. Users of this product risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. Proper clothing and safety gear must be worn when operating unit.
SRM-2620 SAFETY Eye Protection ◆ Hand Protection Wear sturdy, no-slip, rubber work gloves to improve your grip on the handles. 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 hearing protection whenever unit is used.
SAFETY SRM-2620 Heavy protective clothing can increase operator fatigue, which may lead to heat stroke. Schedule heavy work for early morning or late afternoon hours when temperatures are cooler. The components of this machine generate an electromagnetic field during operation, which may interfere with some pacemakers. 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.
SRM-2620 SAFETY • If you experience discomfort, redness, and swelling of the fingers followed by whitening and loss of feeling, consult your physician before further exposing yourself to cold and vibration. Repetitive Stress Injuries (RSI) ENGLISH It is believed that overusing the muscles and tendons of the fingers, hands, arms, and shoulders may cause soreness, swelling, numbness, weakness, and extreme pain in those areas.
SAFETY SRM-2620 Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death. Read Manuals • Provide all users of this equipment with literature for instructions on safe operation. Clear The Work Area • Always clear the work area of foreign objects, and check for any hidden hazards. spectators and fellow workers must be warned, and children and animals prevented from coming nearer than 50 ft.
SRM-2620 ◆ ◆ ◆ Inspect shield for damage and ensure that shield is properly installed, and that that the cut-off knife is securely in place. Replace if either is damaged or missing. Check that the cutting attachment is firmly attached and in safe operating condition. Assure that throttle trigger, throttle trigger lockout, and stop switch all work properly. Check that handle and harness (if included) are adjusted for safe, comfortable operation. See Assembly Section for proper adjustment.
EMISSION CONTROL SRM-2620 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 use unit, otherwise serious personal injury or property damage may occur. Have unit repaired by an authorized servicing dealer before using.
SRM-2620 DESCRIPTION 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. 11 12 13 18 6 5 8 9 17 14 4 16 3 2 15 10 1 2 10 Shaft Label Hot Label X7502341701 © 3/2018 ECHO Inc.
CONTENTS SRM-2620 1. POWER HEAD 2. THROTTLE HANDLE - FOR RIGHT HAND 3. THROTTLE TRIGGER LOCKOUT 4. STOP SWITCH 5. SUPPORT HANDLE - FOR LEFT HAND 6. DRIVE SHAFT ASSEMBLY 7. NYLON CUTTER HEAD 8. CUT-OFF KNIFE 9. DEBRIS SHIELD with CUT-OFF KNIFE 10. THROTTLE TRIGGER 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.
SRM-2620 ASSEMBLY ASSEMBLY Support Handle Installation 1. ENGLISH Note: Label shows minimum spacing for support handle location. If necessary, position support handle for comfortable operation and securely tighten screws. MINIMUM SPACING OPERATION Moving parts can amputate fingers or cause severe injuries. Keep hands, clothing and loose objects away from all openings.
OPERATION ◆ ◆ SRM-2620 Always be alert for changes in operation of unit. Always shut engine off before transporting unit to new location. Operation With Blades Metal blades are very sharp and can cause severe injuries, even if engine is off and blades are not moving. 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.
SRM-2620 OPERATION • A new cotter pin is required each time a blade is installed. • Brushcutters over 7.5 kg (16.5 lbs.) dry weight (without fuel) require a double shoulder harness. Blade Selection The type of blade 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.
OPERATION SRM-2620 A trimmer-brushcutter with a metal blade can cause serious injuries if handled improperly. Always use extreme care when carrying or handling the equipment to avoid contact with the cutting edges of the blade. Use the optional blade cover (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.
SRM-2620 OPERATION Fuel Fuel Requirements Gasoline - Use 89 Octane [R+M/2] (mid grade or higher) gasoline known to be good quality. Gasoline may contain up to 10% Ethanol (grain alcohol) or 15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol (wood alcohol) is NOT approved. ECHO Red Armor™ Fuel (Power Fuel™) is 93 octane, ethanol-free fuel premixed with ECHO Red Armor™ engine oil at 50:1 ratio.
OPERATION ◆ ◆ SRM-2620 AVOID repeated or prolonged skin contact AVOID inhaling oil mists or vapors. ECHO brand 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 may result. ◆ Use an approved fuel container. Mark fuel containers as containing 2-stroke mixture fuel. ◆ DO NOT smoke near fuel.
SRM-2620 Mixing Instructions 1. Fill an approved fuel container with half of the required amount of gasoline. Add the proper amount of 2-stroke oil to gasoline. 3. Close container and shake to mix oil with gasoline. 4. Add remaining gasoline, close fuel container, and remix. Fuel to Oil Mix – 50:1 Ratio US Metric Gas Oil Gas Oil gal. fl.oz. L cc 1 2.6 5 100 2 5.2 10 200 5 13 25 500 ENGLISH 2. OPERATION Spilled fuel is a leading cause of hydrocarbon emissions.
OPERATION SRM-2620 Used oil and gasoline, and soiled towels are hazardous waste materials. Disposal laws vary by locality.Starting Cold Engine The attachment will operate immediately when the engine starts, and could result in possible serious injury. Keep movable parts of the attachment away from objects that could become entangled or thrown, and surfaces that could cause loss of control. 1. Stop Switch Move stop switch button (A) forward, away from the STOP position. 2.
SRM-2620 OPERATION Lay the unit on a flat area and keep movable attachment parts clear of all obstacles. Firmly grasp throttle handle and throttle trigger lockout with left hand and fully depress throttle trigger to wide open position. Rapidly pull recoil starter handle/rope (D) until engine fires (or maximum five [5] pulls). Choke After engine fires (or 5 pulls), move choke to the RUN ( ) (open) position.
OPERATION 2. SRM-2620 Purge Bulb Pump purge bulb (B) until fuel is visible in the “Clear” fuel return line. Pump bulb an additional 4 or 5 times. 3. B Recoil Starter Lay the unit on a flat area and keep movable 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. D Note: If engine does not start after 5 pulls, use Cold Start Procedure. Stopping Engine 1.
SRM-2620 MAINTENANCE MAINTENANCE 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 may result. Your 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 a Servicing Dealer for maintenance.
MAINTENANCE SRM-2620 For information about maintenance kits.
SRM-2620 MAINTENANCE Air Filter Level 1 Parts Required:Tune Up Kit. 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. Assure throttle wire retaining clip (A) remains in place as shown when removing or installing air filter cover. A 3. 4.
MAINTENANCE SRM-2620 Assure air filter is assembled with pleats oriented vertically. Fuel Filter Level 1. Parts Required:Tune Up Kit. Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result. 1. Use a clean rag to remove loose dirt from around fuel cap and empty fuel tank. 2. Pull the fuel filter from the fuel tank. Do not damage fuel line while removing fuel filter from tank. 3. 30 Remove the filter from the line and install the new filter.
SRM-2620 MAINTENANCE Spark Plug Level 2. Parts Required:Tune Up Kit. Use only NGK CMR7H spark plug otherwise severe engine damage may occur. 1. Remove spark plug and check for fouling, worn and rounded center electrode. 2. Clean the plug or replace with a new one. DO NOT sand blast to clean. Remaining sand will damage engine. 3. Adjust spark plug gap by bending outer electrode. 4. Tighten spark plug to 102-153 kgf•cm (89-133 in•lbf). 0.65 mm (0.026 in.) Cooling System Level 2.
MAINTENANCE SRM-2620 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 reaching the cylinder. • Dust and grass build up on the outside of the cylinder. This build up insulates the engine and prevents the heat from leaving.
SRM-2620 5. Remove grass and leaves from the grid (C) between the recoil starter and fuel tank. 6. Assemble components in reverse order. MAINTENANCE ENGLISH C Exhaust System Spark Arrestor Screen Level 2. Parts Required: Spark Arrestor Screen, Gasket 1. Remove spark plug lead. 2. Remove muffler cover (A). 3. Place piston at Top Dead Center (TDC) to prevent carbon or dirt from entering cylinder. 4. Remove spark arrestor screen cover (B), gasket (C), and screen (D), from muffler body. 5.
MAINTENANCE 1. SRM-2620 Remove spark plug lead from spark plug, and remove muffler cover. 2. Place piston at top dead center. Remove muffler (A) and heat shield (B). 3. Use a wood or plastic scraping tool to clean deposits from cylinder exhaust port (C). B A 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.
SRM-2620 MAINTENANCE Engine Break-In 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. This engine has been factory adjusted to maintain satisfactory starting and durability performance up to 330 m (1100 ft.) above sea level (ASL) (96.0 kPa).
MAINTENANCE SRM-2620 Lubrication Level 1. Parts Required: Lithium Based Grease. Gear Housing 1. Clean all loose debris from gear case. 2. Remove plug (A) and check level of grease. 3. Add grease if necessary. DO NOT over-fill. C A B Drive Shaft 1. Loosen screw (B) and remove locating screw (C). Pull gear case and shield from drive shaft housing. 2. Pull flexible cable from the drive shaft housing, wipe clean and re-coat with a thin coating [15 ml (1/2 oz.)] of grease. 3.
SRM-2620 MAINTENANCE Nylon Line Head Disassembly Instructions Note: For normal use, Speed Feed® head disassembly is not necessary. 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). 2. Remove cover from eyelet carrier. ENGLISH 1. A C B Nylon Line Replacement Wear gloves or personal injury may result: ◆ Cutoff knife is sharp. ◆ Gearcase and surrounding area may be hot.
MAINTENANCE 3. Insert one end of trimmer line into an eyelet, and push line equal distance through trimmer head. 4. Hold trimmer head while turning knob clockwise to wind line onto spool until about 13 cm (5 in.) of each line remains exposed. SRM-2620 Trimmer head is now fully loaded and ready for operation. 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.
SRM-2620 MAINTENANCE Sharpening Metal Blades ENGLISH 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. Before sharpening, CLOSELY inspect blade for cracks (look at the bottom of each tooth and the center mounting hole closely), missing teeth and bending. If ANY of these problems are discovered, replace the blade.
TROUBLESHOOTING 3. SRM-2620 After sharpening teeth, check each tooth radius for evidence of a square (sharp) corner. Use the round (rat tail) file to renew the radius. TROUBLESHOOTING Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result.
SRM-2620 STORAGE ENGINE PROBLEM TROUBLESHOOTING CHART Problem Check Air filter or Engine does not accelerate properly Air filter dirty Cause Normal wear Contaminants Fuel filter Fuel filter dirty or residue in fuel Fuel vent Contaminated Fuel vent plugged fuel Plug dirty or Spark plug worn Normal wear Carburetor Improper Vibration adjustment Cooling Extended operCooling system dirty ation in dirty or system or plugged dusty locations Spark arresSpark arres- tor screen Normal wear tor screen plugged
SPECIFICATIONS SRM-2620 2. Place the stop switch in the “OFF” position. 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.
SRM-2620 SPECIFICATIONS SRM-2620 Fuel/Oil Ratio 50 : 1 Power Blend XTM or ECHO Red Armor® ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345- FD, two-stroke, air-cooled engine oil. 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 Power Blend XTM or ECHO Red Armor® Premium Universal 2-Stroke Oil Fuel Tank Capacity 0.61 L (20.6 US fl. oz.
PRODUCT REGISTRATION SRM-2620 PRODUCT REGISTRATION Thank you for choosing ECHO Power Equipment 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.
SRM-2620 PRODUCT REGISTRATION ENGLISH X7502341701 © 3/2018 ECHO Inc.
NOTES SRM-2620 NOTES 46 X7502341701 © 3/2018 ECHO Inc.
SRM-2620 NOTES ENGLISH X7502341701 © 3/2018 ECHO Inc.
T94215001001 - T94215999999 ECHO, INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.
