Grass Trimmer/Brush Cutter Operator's Manual MODELS, Type 1E SRM - 2100SB Serial Number 001001 & Up SRM - 2400SB Serial Number 563000 & Up WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. WARNING DANGER Read rules for safe operation and instructions carefully. ECHO provides an Operator's Manual and a Safety Manual. Both must be read and understood for proper and safe operation.
INTRODUCTION Welcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-the-jobdependability. Read and understand this manual and the SAFETY MANUAL you found in the same package. You will find both easy to use and full of helpful operating tips and SAFETY messages. WARNING DANGER Read rules for safe operation and instructions carefully. ECHO provides an Operator's Manual and a Safety Manual. Both must be read and understood for proper and safe operation.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 3 MANUAL SAFETY SYMBOLS AND IMPORTANT INFORMATION Throughout this manual and on the product itself, you will find safety alerts and helpful, information messages preceded by symbols or key words. The following is an explanation of those symbols and key words and what they mean to you. This symbol accompanied by the words WARNING and DANGER calls attention to an act or condition that can lead to serious personal injury to operator and bystanders.
DECALS DEBRIS SHIELD DECAL Locate these safety decals on your unit. The complete unit illustration, found in the "DESCRIPTION" section, will help you locate them. Make sure the decals are legible and that you understand and follow the instructions on them. If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific information.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL INTERNATIONAL SYMBOLS Symbol form/shape Symbol description/application Symbol form/shape Symbol Symbol form/shape description/application Read and understand Operator's Manual. Fuel and oil mixture Wear eyes, ears and head protection Finger Severing Symbol description/application Wear slip resistant foot wear. Emergency stop Ignition ON/OFF Engine choke control. Primer bulb Wear hand protection. Use two handed.
FUEL WARNING DANGER Fuel is VERY flammable. Use extreme care when mixing, storing or handling or serious personal injury may result. • Use an approved fuel container. • DO NOT smoke near fuel. • DO NOT allow flames or sparks near fuel. • Fuel tanks/cans may be under pressure. Always loosen fuel caps slowly allowing pressure to equalize. • NEVER refuel a unit when the engine is HOT! • NEVER refuel a unit with the engine running. • DO NOT fill fuel tanks indoors.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL Eye Protection -Wear eye protection that meets ANSI Z87.1 or CE requirements whenever you operate the trimmer. Hand Protection -Wear no-slip, heavy duty work gloves to improve your grip on the Brush Cutter handles. Gloves also reduce the transmission of machine vibration to your hands. Hearing Protection -ECHO recommends wearing hearing protection whenever unit is used.
SAFE OPERATION Determine Operation Area - Provide all operators of this equipment with the operator's manual and instructions for safe operation. - Review the area to be trimmed. Look for hazards that could contribute to unsafe conditions. - Spectators and fellow workers must be warned, and children and animals prevented from coming nearer than 15M (50 ft.) while the trimmer is in use.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL EXTENDED OPERATION/EXTREME CONDITIONS Vibration and Cold -It is believed that a condition called Raynaud’s Phenomenon, which affects the fingers of certain individuals may be brought about by exposure to vibration and cold. Exposure to vibration and cold may cause tingling and burning sensations followed by loss of color and numbness in the fingers.
DESCRIPTION The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restrictions, shield installation and other 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.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL EMISSION CONTROL Type 1E Models IMPORTANT ENGINE INFORMATION ENGINE FAMILY: YEHXS.0254CB DISPLACEMENT: 25.4 CC THIS ENGINE MEETS U.S. EPA PH1 EMISSION REGULATIONS FOR SMALL NON ROAD ENGINES. REFER TO OWNER'S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. The emission control system for this engine is EM (Engine Modification). Emission Control Label located on Engine (EXAMPLE ONLY, information on label varies by FAMILY).
1. OPERATOR'S MANUAL - Included in plastic bag (co-pack). Read before operation and keep in a safe place for future reference, i.e., operation, maintenance, storage and specifications. 2. SAFETY MANUAL - Included in plastic bag (co-pack). Read before operation to learn proper, safe operating techniques. Keep in a safe place for future reference. 3. POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter. 4. GRIP - Rear (right hand) handle. 5.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL SPECIFICATIONS MOD E L S R M -2 1 0 0 S B S R M -2 4 0 0 S B S ha ft L e ng th 1 5 0 0 m m (5 9 in.) U nit W id th 3 3 0 m m (1 3 .0 in.) U nit H e ig ht W e ig ht (d ry) w /c utting a tta c hm e nt E ng ine Typ e B o re 3 0 0 m m (11 .8 in.) 3 6 0 m m (1 2 .4 in.) 5 .4 k g (11 .9 lb .) 5 .6 k g (1 2 .4 lb .) A ir c o o le d , tw o -stro k e , s ing le c ylind e r g a s o line e ng ine 3 2 .2 m m (1 .2 7 in.) 2 6 .0 m m (1 .0 4 in.
ASSEMBLY ECHO APPROVED OPTIONAL ATTACHMENTS WARNING DANGER Use only ECHO approved attachments for these models. Serious injury may result from the use of non approved attachment combinations. Read and comply with all safety instructions listed in this manual and attachment manual. ECHO, INC. will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO for use with these units.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL POWER HEAD SHAFT/LOWER SHAFT ASSEMBLY Tools Required: None Parts Required: Power Head Shaft, Lower Shaft Assembly B 1. Set Power Head/Shaft Assembly on a level surface. A 2. Loosen clamping knob (A). 3. Pull locator pin (B) and rotate counter clockwise 1/4 turn to lock out position. D C 4.
NYLON LINE HEAD INSTALLATION A Tools Required: Head Locking Tool Parts Required: Nylon Line Head. C 1. Align locking hole in upper plate (B) with notch in edge of gear housing and insert head locking tool (A). 2. Remove plastic sleeve from P.T.O. shaft (C). 3. Be sure upper plate (B) remains on P.T.O. shaft. 4. Thread line head onto P.T.O. shaft by turning it counter clockwise until head is tight against upper plate (B). 5. Remove locking tool (B).
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL PRE - OPERATION OPERATION WITH BLADES Preparing the Trimmer/Brush Cutter for Blade Use WARNING DANGER Blade use DEMANDS specific Brush Cutter configuration. Operation without specified shield and harness can result in serious personal injury. Follow installation instructions included in optional kits. Plastic and Nylon Blades Require "Blade Conversion Kit," P/N 99922200410 (metal shield [A] and shoulder harness [B]).
8 Tooth Weed/Grass Blade P/N 69600120331 is designed for grass, garden debris and thick weeds. DO NOT use this blade for brush or heavy woody growth, 3/4" in. (19 mm) diameter or larger. Brush/Clearing Blade P/N 69500120331 is designed for cutting brush and woody growth up to 3" in. (76 mm) diameter. Use Shoulder/Waist Harness P/N 99944200200 The Shoulder/Waist Harness when used in a trimming operation with nylon line head suspends the trimmer from the operator's shoulder and reduces operator fatigue.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL FUEL Fuel Requirements -R+M Gasoline - Use 89 Octane [ 2 ] 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. Two Stroke Oil - A two-stroke engine oil meeting ISO-L-EGD Standard (ISO/CD 13738), must be used. Echo brand Premium 50:1 oil meets this standard.
IMPORTANT Stored fuel ages. Do not mix more fuel than you expect to use in thirty (30) days, ninety (90) days when a fuel stabilizer is added. IMPORTANT Stored two-stroke fuel may separate. ALWAYS shake fuel container thoroughly before each use. S M T 1 2 3 8 9 10 15 16 17 22 23 24 29 30 31 EQUIPMENT CHECK Before operation a complete check of the unit must be performed; • Check unit for loose/missing nuts, bolts and screws. Tighten and/or replace as needed.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL OPERATION • Provide all operators of this equipment with the operator's manual and instructions for safe operation. • Before starting the unit, equip yourself and any other person working within the 15M (50 ft.) Safety Zone with the required Protective Equipment and clothing. • During operation, the complete unit, especially the drive shaft housing and the bearing housing may become very hot, too hot to touch. Avoid contact during and immediately after operation.
SRM-2100SB 4A. Start Lay the trimmer on a flat clear area. Firmly grasp rear handle grip and throttle 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). 5A. After engine fires (or five [5] pulls), move choke to “Run” position. Hold throttle trigger fully depressed and pull recoil starter handle/rope (D) until engine starts and runs.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 23 3. Start - Pull Rope. Lay the trimmer on a flat clear area and pull the recoil starter handle (D) until the engine fires. NOTE If engine does not start after 5 pulls, use Cold Start Procedure. STOPPING ENGINE 1. Release Throttle. Allow engine to idle for a minute. A 2. Stop Switch - Stop. Move stop switch button (A) backward to STOP position.
MAINTENANCE INTERVALS COMPONENT/ SYSTEM MAINTENANCE PROCEDURE REQ'D SKILL LE V E L DAILY OR BEFORE U SE EVERY R E FU E L 3 MONTHS OR 90 HOURS 6 MONTHS OR 270 HOURS YEARLY 600 HOURS Recommended Echo Dealer Maintenance Procedures Cylinder Exhaust Port Inspect/Clean/Decarbon 3 I/C Do-It-Yourself Maintenance Procedures Air Filter Inspect/Clean/Replace 1 I/C Choke Inspect/Clean 2 I/C Fuel Filter Inspect/Replace 1 Fuel System, leaks Inspect/Replace 1 I* Cooling System Inspect/Clean
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL AIR FILTER Level 1. Tools required: Cleaning brush, 1" or 2" medium bristle paint brush. Parts required: SRM-2100SB 90008 REPOWERTM AIR & FUEL FILTER KIT. SRM-2400SB 90030 REPOWERTM AIR & FUEL FILTER KIT. 1. Close choke (Cold Start Position). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush accumulated dirt from the air cleaner area. 2. Remove the air cleaner cover. Clean and inspect the element for damage.
SPARK PLUG Level 2. Tools required: Scrench (combination socket wrench and screwdriver), Feeler gauge (preferably a wire gauge) , Brush. Parts Required: Spark Plug, NGK BPMR-7A 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 145-155 kg/cm (125-135 in. lb.). 0.65 mm (0.026 in.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 3. Use the wooden stick or brush to remove dirt form cylinder fins. IMPORTANT Do not use a metal scraper to remove dirt from the cylinder fins. 4. Remove grass and leaves from the grid between the recoil starter and fuel tank. 5. Assemble components in reverse order. NOTE When installing the engine cover, be certain the tab of the metal deflector shield is in the slot of the engine cover. EXHAUST SYSTEM Spark Arrestor Screen Level 2.
CARBURETOR ADJUSTMENT SRM-2100SB Emission Models Level 2. Tools required: Screwdriver, Tachometer (ECHO P/N 99051130017) Parts required: None. NOTE Every unit is run at the factory and the carburetor is set in compliance with EPA Phase 1 and California Emission Regulations. In addition, the carburetor is equipped with HI and LO needle adjustment limiters that prevent settings outside acceptable limits. 1. Before adjusting the carburetor, clean or replace the air filter and spark arrester screen. C B 2.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 29 CARBURETOR ADJUSTMENT SRM-2400SB Emission Models Level 2. Tools required: Screwdriver, Tachometer (ECHO P/N 99051130017). Parts required: None. NOTE Every unit is run at the factory and the carburetor is set in compliance with EPA Phase 1 and California Emission Regulations. This carburetor does not have acceleration and high speed adjustment needles. Do not attempt to use carburetor adjustment procedures provided in the Warranty/Emissions Booklet. 1.
Drive Shaft (Lower) IMPORTANT Lower and upper drive shaft must be lubricated with high temperature automotive grease every 25 hours of operation, otherwise drive shaft assembly overheating and failure can result. B A 1. Remove shield and gear housing as an assembly. a. Loosen two (2) screws (A) that clamp the gear housing to the drive shaft housing. b. Remove locating scew (B) found at the top of the gear housing. Pull shield and gear housing assembly from the drive shaft assembly. 2.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL 2. Use one piece of new nylon line (C) 12 m (40 ft.) long and thread through the molded loop (D) on the spool. Pull line tight and adjust so one end is 15 cm (6 in.) longer than the other. 3. Hold the spool, opening toward you. Place index finger between the two strands and wind line, tightly and evenly, in direction of arrow marked "CC". 4. Stop when approximately 15-20 cm (6" - 8") line (C) remains and place ends of line in notches (E) in spool (B). 5.
SHARPENING METAL BLADES Three styles of metal blades are approved for use on the ECHO 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.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL TROUBLESHOOTING Problem Engine -- starts hard Engine -- does not start Engine Cranks Remedy Fuel at carburetor No fuel at carburetor Fuel strainer clogged Fuel line clogged Carburetor Clean Clean See your ECHO dealer Fuel at cylinder No fuel at cylinder Carburetor See your ECHO dealer Muffler wet with fuel Fuel Mixture is too rich Open choke Clean/replace air filter Adjust carburetor See your ECHO dealer Spark at end of plug wire No spark at end of
STORAGE Long Term Storage (over 30 days) Do not store your unit for a prolonged period of time (30 days or longer) without performing protective storage maintenance which includes the following: 1. Store unit in a dry, dust free place, out of the reach of children. WARNING DANGER Do not store in enclosure where fuel fumes may accumulate or reach an open flame or spark. 2. Place the stop switch (A) in the "OFF" position. 3. Remove accumulation of grease, oil, dirt and debris from exterior of unit. 4.
GRASS TRIMMER/BRUSH CUTTER OPERATOR'S MANUAL NOTES 35
SERVICING INFORMATION PARTS Genuine ECHO Parts and ECHO REPOWER™ 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. You can find these numbers on the engine housing. For future reference, write them in the space provided below. Model No. _____________Type No._________ S/N.
