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Echo SRM-400U Operator's Manual

Manual is about: Echo Trimmer/Brush Cutter Operator's Manual

Summary of SRM-400U

  • Page 1

    X750-005 26 2 x750216-1602 echo, incorporated 400 oakwood road, lake zurich, illinois 60047-1564 phone : 847-540-8400 operator’s manual trimmer/ brushcutter srm-400u warning danger read instructions carefully and follow rules for safe operation. Failure to do so could result in serious injury. Print...

  • Page 2: Introduction

    2 introduction the echo trimmer/brushcutter, model srm-400u is lightweight, high performance gasoline powered rotary trimmer which is designed for brushcutting, weed control and grass trimming in areas which are difficult to control by any other means. The trimmer is equipped with a safety shoulder ...

  • Page 3: Rules For Safe Operation

    3 safety instructions 1. Do not operate the unit when you are fatigued. 2. Do not operate if other people or animals are in the work area. 3. Do not operate the unit without the shield correctly in position. 4. Do not operate in a confined area. Carbon monoxide exhaust gas is highly poisonous. 5. Do...

  • Page 4: Nomenclature Have Parts

    4 srm-400u dimension l × w × h cm 186 × 70 × 43 (73.2 in × 27.6 in × 16.9 in) mass kg 9.9 (21.8 lb): without shoulder harness and cutter head engine type air cooled two stroke single cylinder displacement ml (cm³) 42.7 (2.6 cu in) maximum revolution r/min 10,000 carburetor walbro diaphragm type wyk ...

  • Page 5: Assembling

    5 assembling drive shaft • stand engine upright on a level floor. • loosen bolts at drive shaft end of the engine. • fit drive shaft assembly ensuring that the drive shaft is correctly engaged. • tighten bolts to fasten drive shaft assembly. Warning danger never start engine without driveshaft assem...

  • Page 6

    6 shield fit the shield on the gear housing and tighten screws with washers (seven points) as shown. Shoulder harness fit the shoulder strap to the swivel hook, and adjust the length of strap and or the location clamps to maintain the cutter head parallel to the ground. Shoulder strap assembly quick...

  • Page 7: Operation

    7 oil 1 50 gasoline general check ensure that all nuts, screws and bolts installed are properly tightened. Fuel statement gasoline: use 89 octane [(r+m)/2] gasoline or gasohol known to be good quality. Gasohol may contain maximum 10 % ethyl (grain) alcohol or 15 % mtbe (methyl tertiary-butyl ether)....

  • Page 8

    8 operating the trimmer • adjust handle to a convenient position for cutting as instructed on page 6. • allow the engine to warm up at a fast idle for a few minutes. • increase engine speed as necessary. • when mowing shrubs, weeds, or grass, swing the cutter head from right to left as you move forw...

  • Page 9

    9 warning danger do not allow either people or animals into the work area. Always wear safety goggles when cutting. Dress properly - avoid loose clothing. When grass or weeds have clogged the cutter head affecting normal operation, first, stop the engine and then remove the debris. Operating instruc...

  • Page 10

    10 installation of nylon line head (option) set the nylon line head to the drive shaft and tighten by turning as shown. Cutting procedures locking tool operating instructions nylon line 1. Always use the end of the line for cutting. Forcing the cutter head too close to the work will result in reduce...

  • Page 11

    11 shoulder harness • install the harness over the both shoulders and adjust shoulder straps so that the quick release latch rests low on the right hand side. • attach the trimmer/brushcutter to the harness by means of the quick release latch. • make some practice sweeps as with a trimmer and readju...

  • Page 12

    12 warning danger 1. Serious injury may result from the improper use of steel blades. Read and comply with safety instructions listed in this manual. 2. The eight tooth blade is designed specially to cut weed and grass. To avoid injury due to kickback or blade fracture, do not use this blade to cut ...

  • Page 13

    13 6. Should the brushcutter be operated for an extended period of high temperatures, the gear box may become very hot. If too hot to touch, allow the unit to cool down, check the lubrication as per ‘maintenance’ and continue to operate if in order. 7. To avoid engine damage, do not run on full thro...

  • Page 14

    14 installing the blade 1. The installation of the 8 tooth weed/grass blade (option) and the 80 tooth brush is exactly the same. Locking tool box wrench tighten 3. Remove the nylon line head, if fitted, by turning in a clockwise direction. 4. Install the blade ensuring that it is centered correctly ...

  • Page 15

    15 heavy weed cutting • install the 8 tooth 20 cm (8 in) blade. (option) • observing all precautions as listed in this manual, start the engine and using full throttle, swing the blade in an arc as you move forward slowly. The cutter rotates counterclockwise and the debris will be pushed backwards s...

  • Page 16: Maintenance and Care

    16 maintenance and care - always keep the unit clean - air filter clean before using the unit. - close choke. Disengage latch and remove air cleaner cover. - remove air filters (felt and sponge). - air filter (flet): brush off dust lightly or clean with compressed air. - air filter (sponge): brush o...

  • Page 17

    17 caution when starting, idling adjustment speed should be adjusted not to rotate the cutting attachment. Correct idle speed is adjusted 2,900 to 3,100 r/min. Or 1/4 turn ccw from the point the cutting attachment stops moving. When there is some trouble with the carburetor, refer to your dealer. Id...

  • Page 18: Trouble Shooting

    18 trouble shooting poor performance of the engine and/or trimming mechanism can normally be prevented by carefully following instructions. Poor performances can easily be corrected even by a beginner. When the engine does not function properly check the following three (3) points first. • is engine...

  • Page 19

    19 fuel strainer clogged clean or replace. Fuel pipe clogged clean. Suction insufficient make sufficient. Fuel strainer clogged clean or replace. Carburetor out of order disassemble and check. C.D.I. Module defective remove and replace. Ignition coil defective remove and replace. Wire connection def...

  • Page 20: Long Term  Storage

    20 improper fuel used use fuel with correct mixing ratio. Never use gasoline of poor quality. Spark plug defective (burnt) replace. As cooling fins clogged, air clean fins. Does not pass well excessive deposits in disassemble and remove carbon. Combustion chamber plug damaged or fouled replace or cl...