Echo SRM - 3100 Operator's Manual
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Echo SRM - 3100 Operator's Manual

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See also: Instruction and Installation Manual
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.
X7502124702
SRM - 3100, 3110
SRM - 3100S
Serial Number 001001 & Up
SRM - 3400
Serial Number 001001 - 541792
WARNING
Type 2/2E
Type 1/1E
Type 1/1E
WARNING
The engine exhaust from this
product contains chemicals known
to the State of California to cause
cancer, birth defects or other
reproductive harm.
DANGER
89861155832
03/00

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Summary of Contents for Echo SRM - 3100

  • Page 1 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. 89861155832 X7502124702...

  • 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. Metal Debris...

  • Page 4: International Symbols

    • 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: Equipment

    • Check that front loop handle and shoulder strap/ or shoulder/ waist harness are adjusted for safe, comfortable operation. See Assembly Section for proper adjustment. • Only use attachments and accessories specified by Echo for this unit. FUEL WARNING DANGER Fuel is VERY flammable.

  • Page 6: Personal Condition And Safety Equipment

    Hand Protection Wear no-slip, heavy duty work gloves to improve your grip on the Trimmer/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.

  • Page 7: Safe Operation

    RASS RIMMER RUSH UTTER PERATOR ANUAL Proper Clothing Wear snug fitting, durable clothing; • Pants should have long legs, shirts with long sleeves. • DO NOT WEAR SHORTS, • DO NOT WEAR TIES, SCARVES, JEWELRY. Wear sturdy work shoes with non-skid soles; •...

  • Page 8: Extended Operation/Extreme Conditions

    Keep A Firm Grip • Hold the front and rear handles with both hands with thumbs and fingers firmly encircling the handles Keep A Solid Stance • Maintain footing and balance at all times. Do not stand on slippery, uneven or unstable surfaces. Do not work in odd positions or on ladders.

  • Page 9: 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.

  • Page 10: Emission Control

    EMISSION CONTROL IMPORTANT ENGINE INFORMATION ENGINE FAMILY: SEH034U824RA The emission control system for this engine is EM (Engine Modifica- DISPLACEMENT: 30.5 tion). THIS ENGINE MEETS U.S. EPA PH1 EMISSION REGULATIONS FOR SMALL NON ROAD ENGINES. REFER TO OWNER'S MANUAL FOR MAINTENANCE Emission Control Label located on Engine SPECIFICATIONS AND ADJUSTMENTS.
  • Page 11 25. AIR CLEANER - Contains replaceable filter element. 26. SAFETY VIDEO - (Not included with unit) P/N 99922202540 English version only is available at a cost of $5.00 from ECHO, INC. or any authorized ECHO dealer. The video overviews safety precautions and proper operating techniques and is supplemen-...

  • Page 12: Specifications

    PECIFICATIONS M O D E L S R M -3 1 0 0 2 /2 E S R M -3 1 0 0 S 1 /1 E S R M -3 11 0 2 /2 E S R M -3 4 0 0 1 /1 E L e ng th 1 5 0 0 m m (5 9 .0 in.) 1 5 0 0 m m (5 9 .0 in.)

  • Page 13: Assembly

    RASS RIMMER RUSH UTTER PERATOR ANUAL SSEMBLY DRIVE SHAFT POWER HEAD Tools Required: 8mm x 10mm Open End Wrench, 4 mm Hex Wrench Parts Required: Power head, Drive shaft Assembly Stand powerhead upright on a level surface. Loosen, the two (2) bolts at engine drive shaft clamps, and remove center drive shaft location bolt (A).

  • Page 14: Nylon Head Installation

    NOTE The plastic shield is for use with the Nylon Line Head only. Install Metal Shield when using plastic or metal blades. Install the shield on the bottom of the bearing housing flange. Place shield plate on shield, align holes and install three (3) screws.

  • Page 15: Harness Clamp Installation

    RASS RIMMER RUSH UTTER PERATOR ANUAL If necessary, remove nylon line head and plastic shield. Loosely attach bracket (A) to shield (B) and attach to bottom of BLADE UPPER PLATE gear housing (C) with screws and nuts provided. Tighten all attaching hardware.

  • Page 16: Throttle Linkage And Ignition Leads

    (A). 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. Connect ignition leads (C).

  • Page 17: Front Handle Installation

    RASS RIMMER RUSH UTTER PERATOR ANUAL FRONT HANDLE INSTALLATION Tools Required: Screwdriver. Parts Required: Front Handle Assembly Position front handle on drive shaft, DO NOT tighten screws yet. Position front handle for comfortable operation and secure screws. HANDLE INSTALLATION Tools Required: 8mm x 10mm Open End Wrench, Screwdriver. Parts Required: SRM-3100 Series U-Handle Kit P/N 35130455730.
  • Page 18 Loosen screws (D) and remove center shaft location bolt (E). Loosen two (2) rear handle screws (F) and pull rear handle (G) from the drive shaft assembly. Loosen screw and pull harness clamp (H) from drive shaft assembly. Loosen four (4) screws and remove front handle (J). Position lower U-Handle Bracket (K) 400mm (15-3/4 inches) from engine end of drive shaft.
  • Page 19 15. Attach inner cable to swivel (B). 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. 16. Attach ignition leads (C).

  • Page 20: Pre-Operation

    PERATION 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. Plastic and Nylon Blades Require "Blade Conversion Kit" (metal shield [A] and shoulder harness [B]).
  • Page 21 RASS RIMMER RUSH UTTER PERATOR ANUAL 8 Tooth Weed/Grass Blade 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. SRM-3100 Series P/N 69600120331 SRM-3400 Series P/N 69600121431 Brush/Clearing Blade is designed for cutting brush and woody growth up to 3"...

  • Page 22: Fuel

    Gasohol containing methyl (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. Engine problems due to inadequate lubrication caused by failure to use an ISO-L-EGD approved oil, such as Echo Premium 50:1 Two-stroke Oil, will void the two-stroke engine warranty.

  • Page 23: Equipment Check

    RASS RIMMER RUSH UTTER PERATOR ANUAL After Refueling; - Wipe any spilled fuel from the unit. - Move at least 3 M (10 ft.) from refueling location before starting the engine. After use; - DO NOT store a unit with fuel in its tank. Leaks can occur. Return unused fuel to an approved fuel storage container.

  • Page 24: Determine Operation Area

    • Check that front (loop) handle and shoulder strap/ or shoulder/ waist harness are adjusted for safe, comfortable operation. See Assembly Section for proper adjustment. DETERMINE OPERATION AREA • Review the area to be trimmed. Look for hazards that could contribute to unsafe conditions.

  • Page 25: Starting Cold 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 - Start/Run. Move stop switch button (A) forward away from the STOP position.

  • Page 26: Starting Warm Engine

    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 - Start/Run. Move stop switch button (A) away from the STOP position.

  • Page 27: 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 28: Air Filter

    AIR FILTER Level 1. Tools required: 25-50mm (1in. or 2in.) medium bristle paint brush. Parts required: 90030 REPOWER AIR & FUEL FILTER KIT. 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.

  • Page 29: 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 BPM-7A P/N 15901010630. Remove spark plug and check for fouling, worn and rounded center electrode.

  • Page 30: Exhaust System

    All Models Use the wooden stick or brush to remove dirt from the cylinder fins. Remove grass and leaves from the grid between the recoil starter and fuel tank. NOTE On SRM-3100, 3110 Type 2E models only, when installing the engine cover, be certain the tab of the metal deflector shield is in the slot of the cover.

  • Page 31: Carburetor Adjustment Emission

    CARBURETOR ADJUSTMENT Emissions Models (With Limiter Caps) 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 compli- ance 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.

  • Page 32: Carburetor Adjustment Non Emission

    CARBURETOR ADJUSTMENT Non Emission Models (Without Limiter Caps) Tools Required: Screwdriver, Tachometer (ECHO P/N 90051130017). NOTE If carburetor has limiter caps follow "Carburetor Adjustment" procedures for Type 1E models on previous page.
  • Page 33 RASS RIMMER RUSH UTTER PERATOR ANUAL Fine Tuning (Requires Accurate Tachometer) 1. Start engine and allow to warm to operating temperature (minimum 2 - 3 minutes) varying engine speed from idle to full throttle. 2. Always begin fine tuning with LO (B) needle. a.

  • Page 34: Lubrication

    Level 1 Tools Required: Head locking tool (if head is to be removed) Parts Required: ECHO 0.095" Nylon Trimmer Line 12m (40 feet) long. Hold drum (A) and turn spool (B) CW (clockwise) until it stops. Pull spool from drum. DO NOT push in on spool when turning.
  • Page 35 RASS RIMMER RUSH UTTER PERATOR ANUAL Use one piece of new nylon line (C) 12m (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. Hold spool with the tap knob in your hand and opening toward you.
  • Page 36 SRM-3100S, 3400 Tools Required: Head locking tool (if head is to be removed) Parts Required: ECHO 0.105 in. Nylon Trimmer Line 15m (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 spool.

  • Page 37: Sharpening Metal Blades

    UTTER PERATOR ANUAL SHARPENING METAL BLADES Three styles of metal blades are approved for use on the ECHO Brushcutter. The 8-tooth blade can be sharpened during normal maintenance. The clearing blade and 80 tooth blade require profes- sional 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.

  • Page 38: Troubleshooting

    No fuel at Fuel strainer clogged Clean Cranks carburetor carburetor Fuel line clogged Clean Carburetor See your ECHO dealer Fuel at No fuel at Carburetor See your ECHO dealer cylinder cylinder Muffler wet Fuel Mixture is too rich Open choke...

  • Page 39: Storage

    RASS RIMMER RUSH UTTER PERATOR ANUAL TORAGE 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 mainte- nance which includes the following: 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.

  • Page 40: Servicing Information

    Operator's Manual made payable to ECHO, INCORPORATED. State on a sheet of paper 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 above.

This manual is also suitable for:

Srm - 3110Srm - 3400Srm - 3100s

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