Page 2 - TABLE OF CONTENTS
2 X7722271109 © 2/2014 ECHO Inc. TABLE OF CONTENTS SRM-225 TABLE OF CONTENTS Table of Contents ............................................................................................................................................... 2Introduction ..................................................
Page 3 - always
SRM-225 INTRODUCTION © 2/2014 ECHO Inc. X7722271109 3 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 ...
Page 4 - Replacement Operator, Safety Manuals, and Parts Catalogs; SAFETY; Manual Safety Symbols and Important Information; CIRCLE AND SLASH SYMBOL
4 X7722271109 © 2/2014 ECHO Inc. SAFETY SRM-225 Additional or Replacement Manuals Replacement Operator, Safety Manuals, and Parts Catalogs are available from your ECHO dealer or at www.echo-usa.com or by contacting ECHO Inc., 400 Oakwood Road, Lake Zurich, IL 60047 (800-673-1558). Always check the E...
Page 7 - Vibration and Cold; power equipment is not required.; Repetitive Stress Injuries; • Take periodic breaks to minimize repetition and rest your hands.
SRM-225 SAFETY © 2/2014 ECHO Inc. X7722271109 7 The ignition 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 th...
Page 8 - Read the Manuals; Equipment
8 X7722271109 © 2/2014 ECHO Inc. SAFETY SRM-225 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 may result. Do...
Page 9 - Section for proper adjustment.; An Emission Control Label; Product Emission Durability (Emission Compliance Period)
SRM-225 EMISSION CONTROL (EXHAUST & EVAPORATIVE) © 2/2014 ECHO Inc. X7722271109 9 • Check that handle and harness (if included) are adjusted for safe, comfortable operation. See Assembly Section for proper adjustment. Moving parts can amputate fingers or cause severe injuries. Keep hands, clothi...
Page 10 - DESCRIPTION; Hot Label
10 X7722271109 © 2/2014 ECHO Inc. DESCRIPTION SRM-225 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. See PARTS ORDERING instru...
Page 11 - - This lever must be held during starting. Operation of the throttle
SRM-225 DESCRIPTION © 2/2014 ECHO Inc. X7722271109 11 1. POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter. 2. THROTTLE HANDLE - FOR RIGHT HAND - Contains Stop Switch, Throttle Lockout, and Throttle Trigger. 3. THROTTLE TRIGGER LOCKOUT - This lever must be hel...
Page 12 - CONTENTS
12 X7722271109 © 2/2014 ECHO Inc. CONTENTS SRM-225 CONTENTS 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 ...
Page 13 - ASSEMBLY; Plastic Shield Installation; Remove plastic threaded shaft sleeve and adapter plate (C); Nylon Line Head Installation; Wear Gloves or personal injury may result:
SRM-225 ASSEMBLY © 2/2014 ECHO Inc. X7722271109 13 ASSEMBLY Plastic Shield Installation (Nylon line operation) The plastic shield is for use with the Nylon Line Head only. Install Metal Shield when using plastic or metal blades, or serious injury may result. 1. Remove plastic threaded shaft sleeve a...
Page 15 - OPERATION; Operation With Blades; • New cotter pin required each time blade is installed.
SRM-225 OPERATION © 2/2014 ECHO Inc. X7722271109 15 OPERATION 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 remov...
Page 16 - Tooth Weed/Grass Blade
16 X7722271109 © 2/2014 ECHO Inc. OPERATION SRM-225 Note: The Barrier Bar is used to restrict rearward movement of the unit. The Barrier Bar is NOT A HANDLE and should not be gripped when using or carrying the unit. Blade Selection The type of Blade used MUST be matched to the type and size of mater...
Page 17 - Fuel Requirements; Gasoline; Echo premium Power Blend X; Handling Fuel; Use an approved fuel container.
SRM-225 OPERATION © 2/2014 ECHO Inc. X7722271109 17 Fuel Alternative fuels, such as E-15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2-stroke gasoline engines. Use of alternative fuels may cause performance problems, loss of power, ...
Page 18 - Mixing Instructions; After use; • DO NOT store a unit with fuel in its tank. Leaks can occur.; Storage; Starting Cold Engine; Keep
18 X7722271109 © 2/2014 ECHO Inc. OPERATION SRM-225 • Inspect for fuel leakage. If fuel leakage is found, do not start or operate unit until leakage is repaired. • Move at least 3m (10 ft.) from refueling location before starting the engine. Mixing Instructions 1. Fill an approved fuel container wit...
Page 19 - Purge Bulb; Starting Warm Engine; Note: If attachment moves, readjust carburetor according to
SRM-225 OPERATION © 2/2014 ECHO Inc. X7722271109 19 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. 4. Recoil Starter Lay the unit on a flat area and ke...
Page 20 - Stopping Engine; Throttle
20 X7722271109 © 2/2014 ECHO Inc. OPERATION SRM-225 Move stop switch button (A) forward away from the STOP position. 2. Purge Bulb Pump purge bulb (C) until fuel is visible in the “Clear” fuel return line. Pump bulb an additional 4 or 5 times. 3. Recoil Starter Lay the unit on a flat area and keep m...
Page 21 - MAINTENANCE; Skill Levels; Level 1; = Moderate difficulty. Some specialized tools may be required.; REPOWER; Maintenance Kits and Parts to make your maintenance job easier.; Maintenance Intervals; IMPORTANT NOTE; the frequency of required maintenance.; MAINTENANCE PROCEDURE NOTES:; grease every 25 hours of use.
SRM-225 MAINTENANCE © 2/2014 ECHO Inc. X7722271109 21 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 r...
Page 22 - Air Filter
22 X7722271109 © 2/2014 ECHO Inc. MAINTENANCE SRM-225 (2) Apply POWER BLENDX TM grease every 50 hours of use. (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...
Page 23 - Adjust spark plug gap by bending outer electrode.; Cooling System; Overheating and engine seizure can occur when:
SRM-225 MAINTENANCE © 2/2014 ECHO Inc. X7722271109 23 Spark Plug Level 2. Use only NGK BPM-8Y spark plug (BPMR-8Y in Canada) 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 sa...
Page 24 - DO NOT use a metal scraper to remove dirt from the cylinder fins.; Exhaust System; Spark Arrestor Screen; Clean carbon deposits from muffler components.
24 X7722271109 © 2/2014 ECHO Inc. MAINTENANCE SRM-225 2. Remove air cleaner cover (A). 3. Remove engine cover (B). DO NOT use a metal scraper to remove dirt from the cylinder fins. 4. Use brush to remove dirt from the cylinder fins. 5. Remove ignition wires from clip for cleaning. 6. Remove grass ...
Page 25 - Exhaust Port Cleaning; Remove spark plug lead from spark plug, and remove; Carburetor Adjustment; High Altitude Operation; None
SRM-225 MAINTENANCE © 2/2014 ECHO Inc. X7722271109 25 Exhaust Port Cleaning Level 2. 1. Remove spark plug lead from spark plug, and remove engine 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 ...
Page 26 - Check idle speed and reset if necessary. If a tachometer is; Lubrication; Gear Housing; Clean all loose debris from gear case.; oz. or Lithium Base
26 X7722271109 © 2/2014 ECHO Inc. MAINTENANCE SRM-225 Note: Every unit is run at the factory and the carburetor is set in compliance with emission regulations. Carburetor adjustments, other than idle speed, must be performed by an authorized ECHO dealer. 1. Check idle speed and reset if necessary. I...
Page 27 - Trimmer head is now fully loaded and ready for operation.
SRM-225 MAINTENANCE © 2/2014 ECHO Inc. X7722271109 27 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 Feed ...
Page 28 - File each tooth at a 30 degree angle a specific number of
28 X7722271109 © 2/2014 ECHO Inc. MAINTENANCE SRM-225 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. Sharpening Metal Blades Three styles of metal blades are approved for...
Page 29 - After sharpening teeth, check each tooth radius for evidence
SRM-225 MAINTENANCE © 2/2014 ECHO Inc. X7722271109 29 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.
Page 30 - TROUBLESHOOTING
30 X7722271109 © 2/2014 ECHO Inc. TROUBLESHOOTING SRM-225 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. ENGINE PROBLEM TROUBLESHOOTI...
Page 31 - STORAGE; Place the stop switch in the “OFF” position.
SRM-225 STORAGE © 2/2014 ECHO Inc. X7722271109 31 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. Lon...
Page 32 - SPECIFICATIONS
32 X7722271109 © 2/2014 ECHO Inc. SPECIFICATIONS SRM-225 SPECIFICATIONS MODEL SRM-225 Length w/o cutter head 1793 mm (70.6 in.) Width 251 mm (9.88 in.) Height 328 mm (12.9 in.) Weight (dry) w/o cutter head 5.5 kg (12.1 lb.) Engine Type Air cooled, two-stroke, single cylinder gasoline engine Bore 32....
Page 33 - WARRANTY STATEMENTS
SRM-225 WARRANTY STATEMENTS © 2/2014 ECHO Inc. X7722271109 33 WARRANTY STATEMENTS ECHO LIMITED WARRANTY STATEMENT FOR PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010 ECHO'S RESPONSIBILITY ECHO Incorporated’s Limited Warranty, provides to the original purchaser that this ECHO product is free from...
Page 35 - NOTES
SRM-225 NOTES © 2/2014 ECHO Inc. X7722271109 35 NOTES