Page 2 - TABLE OF CONTENTS
TABLE OF CONTENTS SRM-225U 2 X7732275101 © 11/2018 ECHO Inc. TABLE OF CONTENTS Introduction ................................................................................................. 4Servicing Information .................................................................................. 4 Pa...
Page 4 - INTRODUCTION; OR; SERVICING INFORMATION
INTRODUCTION SRM-225U 4 X7732275101 © 11/2018 ECHO Inc. 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, ...
Page 5 - SAFETY
SRM-225U SAFETY X7732275101 5 © 11/2018 ECHO Inc. 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 in...
Page 6 - Note: This enclosed message provides tips for use, care and; International Symbols; Symbol
SAFETY SRM-225U 6 X7732275101 © 11/2018 ECHO Inc. 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...
Page 8 - Physical Condition; Your judgment and physical dexterity may not be good:
SAFETY SRM-225U 8 X7732275101 © 11/2018 ECHO Inc. Personal Condition and Safety Equipment Cancer and Reproductive Harmwww.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 inju...
Page 9 - Eye Protection
SRM-225U SAFETY X7732275101 9 © 11/2018 ECHO Inc. • 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. Eye Protection ◆ Eye protection that meets ANSI Z87.1 or CE requirements must be worn whenever y...
Page 10 - Wear sturdy work shoes with nonskid rubber soles:; Extended Operation / Extreme Conditions; during frequent work breaks, and also by not smoking.
SAFETY SRM-225U 10 X7732275101 © 11/2018 ECHO Inc. Wear sturdy work shoes with nonskid rubber soles: • DO NOT WEAR OPEN TOED SHOES. • DO NOT OPERATE UNIT BAREFOOTED. Keep long hair away from engine and air intake. Retain hair with cap or net. Heavy protective clothing can increase operator fatigue, ...
Page 11 - • Take periodic breaks to minimize repetition and rest your hands.
SRM-225U SAFETY X7732275101 11 © 11/2018 ECHO Inc. • 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) It is believed that overu...
Page 12 - Read Manuals; tightly encircling the handles.; Keep A Solid Stance; • Keep exhaust area clear of flammable debris. avoid; Equipment
SAFETY SRM-225U 12 X7732275101 © 11/2018 ECHO Inc. 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 o...
Page 13 - Check wire terminals for secure connections.
SRM-225U SAFETY X7732275101 13 © 11/2018 ECHO Inc. ◆ 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 con...
Page 14 - An Emission Control Label; is
EMISSION CONTROL SRM-225U 14 X7732275101 © 11/2018 ECHO Inc. 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....
Page 15 - DESCRIPTION
SRM-225U DESCRIPTION X7732275101 15 © 11/2018 ECHO Inc. 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. Safety label is for exa...
Page 17 - CONTENTS
SRM-225U CONTENTS X7732275101 17 © 11/2018 ECHO Inc. CONTENTS The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restrictions, some assembly may be necessary. After opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer...
Page 18 - ASSEMBLY; U-Handle Installation
ASSEMBLY SRM-225U 18 X7732275101 © 11/2018 ECHO Inc. ASSEMBLY U-Handle Installation 1. Install upper U-Handle and bracket on lower bracket with one (1) 8 x 55 mm hex bolt (N) and (1) large circular washer. Do not tighten bolt securely until final adjustments are completed. 2. Loosen upper two (2) U-...
Page 19 - Close choke and remove air filter cover.
SRM-225U ASSEMBLY X7732275101 19 © 11/2018 ECHO Inc. Throttle Linkage and Ignition Leads 1. Close choke and remove air filter cover. 2. Place throttle linkage (A) into adjustment fixture (B) and install wire end into large carburetor throttle swivel hole (C). Check throttle for freedom of movement a...
Page 20 - Install blade Shield
ASSEMBLY SRM-225U 20 X7732275101 © 11/2018 ECHO Inc. Blade Installation 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. Shield with cutoff knife is for use with the Ny...
Page 21 - Tighten all shield hardware.; Install Blade
SRM-225U ASSEMBLY X7732275101 21 © 11/2018 ECHO Inc. 2. Align holes in shield plate (I), shield (K), and bottom of gear case flange. Install (3) bolts (L) and (3) lock nuts (M). 3. Tighten all shield hardware. Install Blade 1. Install upper plate with pilot (A) on splined PTO shaft, pilot side out. ...
Page 23 - Wear Gloves or personal injury may result:
SRM-225U ASSEMBLY X7732275101 23 © 11/2018 ECHO Inc. Nylon Line Head Installation Wear Gloves or personal injury may result: ◆ Cutoff knife is sharp. ◆ Gearcase and surrounding area may be hot. 1. Make sure shield with cutoff knife (H) and shield plate are properly installed, and line head plate (A)...
Page 24 - Note: Your nylon line head may appear different than nylon line; To Advance Trimmer Line; See Maintenance Section for nylon line replacement.; Note: To advance trimmer line, tap trimmer head against the ground; Balance and Adjust Unit; Loosen harness clamp screw.; OPERATION
OPERATION SRM-225U 24 X7732275101 © 11/2018 ECHO Inc. Note: Your nylon line head may appear different than nylon line head shown. 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 a...
Page 25 - Blade
SRM-225U OPERATION X7732275101 25 © 11/2018 ECHO Inc. 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 bo...
Page 26 - • A new cotter pin is required each time a blade is installed.; Note: The barrier bar is used to restrict rearward movement; Blade Selection; may; Flat Washer
OPERATION SRM-225U 26 X7732275101 © 11/2018 ECHO Inc. *ANSI standards require brush cutters be equipped with a barrier bar or restrictive harness. U-Handle ensures a higher safety factor. Do Not install blades on GT (Curved Shaft) model trimmers. • Arbor diameter of upper blade plate must match arbo...
Page 27 - Tooth Weed/Grass Blade; 0 Tooth Brush Blade; is designed; 2 Tooth Clearing Blade
SRM-225U OPERATION X7732275101 27 © 11/2018 ECHO Inc. 8 Tooth Weed/Grass Blade is designed for grass, garden debris and thick weeds up to 19 mm (0.75 in.) diameter. DO NOT use this blade for brush or heavy woody growth. 80 Tooth Brush Blade is designed for cutting brush and woody growth up to 13 mm ...
Page 28 - Use Shoulder/Waist Harness; Fuel
OPERATION SRM-225U 28 X7732275101 © 11/2018 ECHO Inc. Use Shoulder/Waist Harness Use of the shoulder/waist harness is recommended for ALL Trimmer/brushcutter use, not just blade operation. The shoulder/waist harness when used in a trimming operation with nylon line head suspends the trimmer from the...
Page 29 - Gasoline; approved. Use of ECHO branded fuel is; Two Stroke Oil
SRM-225U OPERATION X7732275101 29 © 11/2018 ECHO Inc. 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 alcoh...
Page 30 - DO NOT smoke near fuel.; Mixing Instructions
OPERATION SRM-225U 30 X7732275101 © 11/2018 ECHO Inc. ◆ Use an approved fuel container. Mark fuel containers as containing 2-stroke mixture fuel. ◆ 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 pres...
Page 31 - approved fuel storage container.; Storage; - Fuel storage laws vary by locality. Contact your; Starting Cold Engine; Stop Switch
SRM-225U OPERATION X7732275101 31 © 11/2018 ECHO Inc. • Empty the fuel tank prior to storing the unit. Return unused fuel to an approved fuel storage container. Storage - Fuel storage laws vary by locality. Contact your local government for the laws affecting your area. As a precaution, store fuel i...
Page 32 - Choke; Note: Lightly place knee on; Recoil Starter; Note: If engine does not start with choke in “RUN” position after 5; Throttle Trigger
OPERATION SRM-225U 32 X7732275101 © 11/2018 ECHO Inc. 2. Choke Move choke lever (B) to COLD START ( ) position. 3. 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. Note: Lightly place knee on drive shaft t...
Page 33 - Note: If attachment moves, readjust carburetor according to; Note: If engine does not start
SRM-225U OPERATION X7732275101 33 © 11/2018 ECHO Inc. 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. The attachment should not move at idle, otherwise serious personal injury may result. Note: If ...
Page 34 - Throttle; Applications; Trimming; Operating Techniques; assure debris flow is directed away from operator.
OPERATION SRM-225U 34 X7732275101 © 11/2018 ECHO Inc. Stopping Engine 1. Throttle Release throttle and allow engine to return to idle before shutting off engine. 2. Stop Switch Move stop switch button (A) backward to STOP position. If engine does not stop when stop switch is moved to STOP position, ...
Page 35 - • Operate trimmer only with cutting head below knee height.; Reaction Forces; Push or Pull - Kickback or Kickout
SRM-225U OPERATION X7732275101 35 © 11/2018 ECHO Inc. • Operate trimmer only with cutting head below knee height. Reaction Forces Push or Pull - Kickback or Kickout During normal use, operating a brushcutter with a circular metal blade can produce sudden strong reaction forces that are difficult to ...
Page 37 - MAINTENANCE; Skill Levels; Level 1; = Moderate difficulty. Some specialized tools may be required.; Level 3; or
SRM-225U MAINTENANCE X7732275101 37 © 11/2018 ECHO Inc. MAINTENANCE Moving parts can amputate fingers or cause severe injuries. 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...
Page 40 - Do not damage fuel line while removing fuel filter from tank.; Remove the filter from the line and install the new filter.; Spark Plug
MAINTENANCE SRM-225U 40 X7732275101 © 11/2018 ECHO Inc. Do not damage fuel line while removing fuel filter from tank. 3. Remove the filter from the line and install the new filter. Note: Federal EPA regulations require all model year 2012 and later gasoline powered engines produced for sale in the U...
Page 41 - • Air intakes are blocked,; DO NOT use a metal scraper to remove dirt from the cylinder fins.
SRM-225U MAINTENANCE X7732275101 41 © 11/2018 ECHO Inc. 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...
Page 42 - Spark Arrestor Screen; Remove spark plug lead and engine cover.
MAINTENANCE SRM-225U 42 X7732275101 © 11/2018 ECHO Inc. 4. Use a brush to remove dirt from the cylinder fins. 5. Remove ignition wires from clip for cleaning. 6. Remove grass and leaves from the grid between the recoil starter and fuel tank. 7. Assemble components in reverse order. Exhaust System Sp...
Page 43 - Note: When cleaning carbon; Exhaust Port Cleaning; As needed: Heat Shield
SRM-225U MAINTENANCE X7732275101 43 © 11/2018 ECHO Inc. 3. Remove spark arrestor screen cover (C), gaskets (D), (E), and screen (F), from muffler body. 4. Clean carbon deposits from muffler components. Note: When cleaning carbon deposit, be careful not to damage the catalytic element inside muffler....
Page 44 - Inspect heat shield, and replace if damaged.; Carburetor Adjustment; High Altitude Operation; Note: Every unit is run at the factory and the carburetor is set in
MAINTENANCE SRM-225U 44 X7732275101 © 11/2018 ECHO Inc. 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. Install...
Page 46 - Gear Case; Gear cases without grease plug (A) do not require lubrication.; Drive Shaft
MAINTENANCE SRM-225U 46 X7732275101 © 11/2018 ECHO Inc. Lubrication Level 1. Parts Required: Lithium Based Grease. Gear Case Gear cases without grease plug (A) do not require lubrication. 1. Clean all loose debris from gear case. 2. Remove plug (A) and check level of grease. 3. Add grease if necessa...
Page 47 - head disassembly is not; Nylon Line Replacement; Wear gloves or personal injury may result:
SRM-225U MAINTENANCE X7732275101 47 © 11/2018 ECHO Inc. Nylon Line Head Disassembly Instructions Note: For normal use, Speed Feed ® head disassembly is not necessary. However, if circumstances require disassembly, follow these instructions. 1. Press top of locking tabs (A) on both sides of Speed Fee...
Page 50 - TROUBLESHOOTING
TROUBLESHOOTING SRM-225U 50 X7732275101 © 11/2018 ECHO Inc. 3. 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 te...
Page 51 - STORAGE
SRM-225U STORAGE X7732275101 51 © 11/2018 ECHO Inc. STORAGE During operation the muffler or catalytic muffler and surrounding cover become hot. Always keep exhaust area clear of flammable debris during transportation or when storing, otherwise serious property damage or personal injury may result. L...
Page 52 - Place the stop switch in the “OFF” position.; SPECIFICATIONS
SPECIFICATIONS SRM-225U 52 X7732275101 © 11/2018 ECHO Inc. Do not store in enclosure where fuel fumes may accumulate or reach an open flame or spark. 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 ...
Page 54 - PRODUCT REGISTRATION; Thank you for choosing ECHO Power Equipment; FAST
PRODUCT REGISTRATION SRM-225U 54 X7732275101 © 11/2018 ECHO Inc. 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 m...
Page 56 - ECHO INCORPORATED
ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com U01914001001 - U01914999999