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Echo SRM - 311 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.
X7502125701
SRM - 311
SRM - 311S
SRM - 311U
Serial Number 02001001 - 02001800
WARNING
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
X750002961
09/01

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Summary of Contents for Echo SRM - 311

  • 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. X7502125701 X750002961...
  • Page 3 If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions Metal Debris for specific information.

  • 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: Hearing Protection

    • DO NOT WEAR OPEN TOED SHOES, hands. • DO NOT OPERATE UNIT BAREFOOTED. Hearing Protection ECHO recommends wearing hearing protection whenever unit is used. EXTENDED OPERATION EXTREME CONDITIONS Vibration and Cold It is believed that a condition called Raynaud’s Phenomenon, which...

  • Page 6: Repetitive Stress Injuries

    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: Package Contents

    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 RASS RIMMER RUSH UTTER PERATOR ANUAL MODEL SRM-311 PARTS...
  • Page 10 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 supplemental to the Safety Manual. You must read and understand the Safety Manual and Opera-...

  • Page 11: Specifications

    RASS RIMMER RUSH UTTER PERATOR ANUAL PECIFICATIONS M O D E L S R M -3 1 1 S R M -3 1 1 S S R M -3 1 1 U L e n g th 1 8 2 0 m m (7 1 .7 in .) W id th 2 5 0 m m (9 .8 in .) 7 1 0 m m (2 8 .0 in .)
  • Page 12 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: Blade Operation

    RASS RIMMER RUSH UTTER PERATOR ANUAL Install Nylon Line Head Tools Required: Locking Tool, 17x19 mm Scrench Parts Required: Nylon Line Head. 1. Make sure plastic debris shield (F) is properly aligned, and upper plate (B) is installed on splined PTO shaft. 2.

  • Page 14: Install Blade

    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. 1. 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

    4. 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. 5. Connect 2 ignition leads from throttle cable tubing to 2 ignition leads (C) on engine.
  • Page 16 PERATION OPERATION WITH BLADES Preparing the Trimmer/Brush Cutter for Blade Use WARNING DANGER Blade use DEMANDS specific Trimmer/Brush Cutter configuration. Operation without specified shield and harness can result in serious personal injury. Plastic and Nylon Blades Require: Installation of the metal shield [A] and use of a shoulder harness[B].
  • Page 17 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, 19 mm (3/4 in.) diameter or larger. SRM-311 Series P/N 69600120331 Brush/Clearing Blade is designed for cutting brush and woody growth up to 76 mm (3 in.) diameter.

  • Page 18: Handling 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

    STARTING COLD ENGINE WARNING 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 COLD serious personal injury may result. START 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: Troubleshooting

    RASS RIMMER RUSH UTTER PERATOR ANUAL 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 22: Fuel Filter

    MAINTENANCE INTERVALS 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 BPM-8Y P/N 15901019830 1. Remove spark plug and check for wear or fouling. Clean the plug or replace with a new one.

  • Page 24: Exhaust System

    5. Use the wooden stick or brush to remove dirt from the cylinder fins. 6. Install engine cover properly, placing fuel vent tube into in engine cover. 7. Secure engine cover with one (1) screw. 8. Install top guard correctly, and secure with three (3) screws (install long screw in center hole) .

  • Page 25: Carburetor Adjustment

    See page 11, "Specifications" for correct idle speed. Level 2. Tools required: Screwdriver, Tachometer (ECHO P/N 99051130017). Parts required: None. 1. Check idle speed using a tachometer, and reset if necessary. Turn idle screw (A) clockwise to increase idle speed; counter-clockwise to decrease idle speed.

  • Page 26: Gear Housing

    LUBRICATION Level 1. Tools Required: 8 mm Open-end Wrench, Screwdriver, Clean Rag. Parts Required: ECHO LUBE 8 oz. (P/N 91014) or Lithium Base ® Grease. Gear Housing 1. Clean all loose debris from gear box. 2. Remove plug (A) and check level of grease.

  • 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 (D) and spool.

  • Page 28: 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 29 RASS RIMMER RUSH UTTER PERATOR ANUAL ROUBLESHOOTING E N GIN E P R OB LE M TR OU B LE S H OOTIN G C H AR T P roblem C h eck S tatus C ause R em ed y F uel strainer clogged C lean or replace No fuel at...

  • Page 30: Long Term Storage (Over 30 Days)

    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. 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...
  • Page 31 RASS RIMMER RUSH UTTER PERATOR ANUAL NOTES...

  • Page 32: Consumer Product Support

    • 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.
  • Page 33 DANGER The cutting attachment should not move at idle. If cutting attachment moves, 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 34 If engine does not stop when stop switch is moved to STOP position, Manual and Safety Manual (if included) close choke - COLD START position - to stall engine. Have your ECHO for proper and safe operating tech- dealer repair stop switch before using trimmer again.

This manual is also suitable for:

Srm - 311sSrm - 311u

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