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Echo SRM-310S Operator's Manual

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Grass Trimmer/Brush Cutter
Operator's Manual
MODELS,
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.
X7502127100
SRM - 310
SRM - 310S
SRM - 310U
Serial Number 04001001 - 04999999
WARNING
DANGER
X750004110
01/03

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Summary of Contents for Echo SRM-310S

  • Page 1 SRM - 310U Serial Number 04001001 - 04999999 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. X7502127100 X750004110...

  • Page 2: Table Of Contents

    NTRODUCTION 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 found in the same package. You will find both easy to use and full of helpful operating tips and SAFETY messages.

  • Page 3: Manual Safety Symbols And Important Information

    If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific information. Hot Surface Decal...

  • Page 4: International Symbols

    5 Beware of KICKOUT (blade thrust) when using blades. Special precautions are necessary for blade operation, see your Operator's and Safety Manuals. ONLY install ECHO approved blades on Brush Cutters (SRM) models equipped with proper blade shield, U-handles, harness, blade collar, nut and cotter pin.

  • Page 5: Safety Instructions

    Proper clothing and safety gear must be worn when operating a trimmer. Physical Condition Hearing Protection Your judgment and physical dexterity may not be good: ECHO recommends wearing hearing protection whenever • if you are tired or sick, unit is used. • if you are taking medication, Proper Clothing •...

  • Page 6: Equipment

    Use only ECHO-approved 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. Read and comply with all safety instructions listed in this manual and safety manual.

  • Page 7: Safe Operation

    RASS RIMMER RUSH UTTER PERATOR ANUAL SAFE OPERATION WARNING DANGER Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death. Provide Safety Instructions To All Operators • Provide all operators of this equipment with the Operator's Manual and Safety Manual for instructions on safe operation.

  • Page 8: Description

    Your new Echo product has been factory pre-assembled for your convenience. Due to packaging restrictions, shield installation and other final assembly may be necessary. Check the contents carefully, and notify your retailer or ECHO Dealer immediately if any parts are missing or damaged. Use the contents list below to check for missing parts.

  • Page 9: Srm-310 Parts

    RASS RIMMER RUSH UTTER PERATOR ANUAL MODEL SRM-310 PARTS...

  • Page 10: Srm-310 Part Descriptions

    DRIVE SHAFT ASSEMBLY - Includes the Rear (right hand) Handle assembly (Model 310, 310S), Gear Housing assembly, Blade attachment parts, Flexible Drive Cable (SRM-310S has a solid steel drive shaft) and Safety Decal. NYLON CUTTING ATTACHMENT - Contains replaceable nylon trimming line that advances when the trimmer head is tapped against the ground while the head is turning at normal operating speed.

  • Page 11: Specifications

    Height SRM-310U ----------------------------------------- 420 mm (16.5 in.) Weight (dry) w/o Cutter Head SRM-310 --------------- 6.0 kg (13.2 lb.) Weight (dry) w/o Cutter Head SRM-310S -------------- 6.1 kg (13.4 lb.) Weight (dry) w/o Cutter Head SRM-310U ------------- 6.5 kg (14.3 lb.) Engine Type ------------------------------------------------ Air cooled, two-stroke, single cylinder gasoline engine Bore ---------------------------------------------------------- 36.0 mm (1.42 in.)

  • Page 12: Assembly

    SSEMBLY DRIVE SHAFT POWER HEAD (All Models) Tools Required: 4 mm Hex Wrench Parts Required: Power Head, Drive Shaft Assembly 1. Stand power head upright on a level surface. 2. Loosen the two (2) drive shaft clamp bolts at engine drive shaft clamp, and remove center drive shaft location bolt (A).

  • Page 13: Nylon Head Installation

    RASS RIMMER RUSH UTTER PERATOR ANUAL Install Nylon Line Head Tools Required: Locking Tool, 17x19 mm Scrench Parts Required: Nylon Line Head. Make sure plastic debris shield (F) is properly aligned, and upper plate (B) is installed on splined PTO shaft. 2.

  • Page 14: Front Handle Installation And Adjustment

    Install Blade Tools Required: Locking Tool, Scrench. Parts Required: Upper Plate w/ 20 mm pilot, Lower Plate, 10 mm Nut w/ L.H. threads, 2 x 25 mm Cotter Pin, Blade. Install upper plate (D) on splined PTO shaft, pilot side down. Blade installation requires Upper Plate (D) with 20 mm pilot.

  • Page 15: U-Handle Installation

    Check throttle for freedom of movement and that wide open throttle / low idle extremes are adjusted properly. If adjustment cannot be achieved with adjusting nuts, consult with your Echo Dealer for correct adjustment procedure. Tighten nut (A). Connect 2 ignition leads from throttle cable tubing to 2 ignition leads (C) on engine.

  • Page 16: Pre-Operation

    SRM-310U: Installation of metal shield (A), and use of standard U-handle (D), and harness with hip pad (E). *Echo recommends installation of U-Handle for frequent grass/weed blade use. Brush/Clearing Blades require: SRM-310, 310S: Installation of metal shield (A) and accessory U-Handle Kit, P/N 35130454130 (B), and use of harness with hip pad (D).
  • Page 17 RASS RIMMER RUSH UTTER PERATOR ANUAL Plastic/Nylon Grass/Weed Blades may be used wherever the nylon line head is used. DO NOT use these blades for heavy weeds or brush! 8 Tooth Grass/Weed Blade - use for grass, garden vegetation, and thick weeds.

  • Page 18: Fuel

    IMPORTANT location before starting. Echo Premium 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 After Use those manuals. • DO NOT store a unit with fuel in its tank.

  • Page 19: Operation

    DANGER The cutting attachment should not rotate at idle. If attachment rotates, readjust carburetor according to "Carburetor Adjustment" instructions in this manual or see your ECHO Dealer, otherwise serious personal injury may result. Stop Switch Move stop switch button (A) forward, away from the STOP position.

  • Page 20: Starting Warm Engine

    DANGER The cutting attachment should not rotate at idle. If attachment rotates, readjust carburetor according to "Carburetor Adjustment" instructions in this manual or see your ECHO Dealer, otherwise serious personal injury may result. Stop Switch Move stop switch button (A) away from the STOP position.

  • Page 21: Maintenance

    ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have the ECHO Dealer do it, each maintenance task has been graded. If the task is not listed, see your ECHO Dealer for repairs.

  • Page 22: Air Filter

    AIR FILTER Level 1. Tools required: 25-50 mm (1 or 2 in.) medium bristle paint brush. Parts required: 90030 REPOWER 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 accumu- lated dirt from the air cleaner area.

  • Page 23: Spark Plug

    RASS RIMMER RUSH UTTER PERATOR ANUAL SPARK PLUG Level 2. Tools Required: Scrench (combination socket wrench & screw driver) Feeler gauge, preferably a wire gauge. Brush. Parts Required: Spark Plug, NGK BPMR-8Y 1. Remove spark plug and check for wear or fouling. Clean the plug or replace with a new one.

  • Page 24: Exhaust System

    Use the wooden stick or brush to remove dirt from the cylinder fins. Install engine cover properly, placing fuel vent tube into engine cover. Secure engine cover with one (1) screw. Install top guard correctly, and secure with three (3) screws (install long screw in center hole).

  • Page 25: Carburetor Adjustment Emission

    The cylinder exhaust port must be inspected and cleaned of excess carbon every 3 months or 90 hours of operation in order to maintain this engine within the emissions durability period. ECHO strongly recommends that you return your unit to your ECHO dealer for this important maintenance service. CARBURETOR ADJUSTMENT...

  • Page 26: Lubrication

    Remove plug (A) and check level of grease. Add grease if necessary. DO NOT over fill. Drive Shaft SRM-310, 310U Only (SRM-310S Drive shaft is sealed) Loosen two (2) screws (B) and remove center locating screw (C). Pull gear box and shield from drive shaft.

  • Page 27: Nylon Line Replacement

    NYLON LINE REPLACEMENT Level 1 Tools Required: None Parts Required: ECHO 0.105 in. Nylon Trimmer Line 15 m (50 feet) long. Shut engine off. Lay unit on the ground with head assembly up. Hold head firmly and push in cover tabs (A) to remove cover (B) and spool (C).
  • Page 28 Hold spool with the tap knob in your hand and opening toward you. Place index finger between the two lines, and wind line clockwise tightly and evenly. When approximately 15-20 cm ( 6- 8 in.) of line remains, place lines in spool notches (F).

  • Page 29: Sharpening Metal Blades

    SHARPENING METAL BLADES Of the three styles of metal blades that are approved for use on the ECHO Brush Cutter, only the 8-tooth blade can be sharpened as an operator maintenance item. The clearing blade and 80 tooth blade require professional service.

  • Page 30: Troubleshooting

    ROUBLESHOOTING t l i l f f t l i t l i t l i t l i t r i t r i WARNING DANGER Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark near an open spark plug opening, otherwise serious personal injury may result.

  • Page 31: Storage

    RASS RIMMER RUSH UTTER PERATOR ANUAL TORAGE WARNING DANGER 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.

  • Page 32: Servicing Information

    • Purchasing from your Echo Dealer. • Sending a check or money order for $2.00 per Parts Catalog or $1.50 per Operator's Manual made payable to ECHO, INCORPORATED. State on a sheet of paper the model number and serial number of the ECHO unit you have, part number of the manual (if known), your name and address and mail to address below.

This manual is also suitable for:

Srm-310Srm-310u0400100104999999

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