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TRIMMER/
BRUSHCUTTER
SRM-3800
TYPE1-E
WARNING DANGER
READ INSTRUCTIONS CAREFULLY AND
FOLLOW RULES FOR SAFE OPERATION.
FAILURE TO DO SO COULD RESULT IN
SERIOUS INJURY.
898696-43132
1
X750226-3801
847
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INTRODUCTION The ECHO Trimmer/Brushcutter, model SRM-3800 This manual provides the information necessary for TYPE1-E is lightweight, high performance gasoline assembly, adjustment, operation and maintenance of powered rotary trimmer which is designed for your unit. 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 harness, and the excellent balance characteristics plus the available power, ensu
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RULES FOR SAFE OPERATION WARNING DANGER SAFETY INSTRUCTIONS 1. Do Not smoke while handling gasoline. 1. Do Not operate the unit when you are 2. Do Not refuel a hot engine. Wait unit it cools. fatigued. 3. Do Not overfill the tank. Spiled fuel must be wiped 2. Do Not operate if other people or animals up. are in the work area. 4. Always stop the engine when refueling. 3. Do Not operate the unit without the shield 5. Always remove the fuel cap slowly in order to correctly in position. reli
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NOMENCLATURE OF PARTS Gear housing Top guard Drive shaft assembly Ignition switch Muffler Spark plug Throttle trigger Shield Grip Choke knob Air cleaner Fuel tank cover Starter handle Shoulder harness TECHNICAL DATA SRM-3800 TYPE1-E Dimension L × W × H cm (inch) 181.5 × 72 × 46 (71.5 × 28.4 × 18.1) Masses kg (lbs) 8.0 (17.6): without shoulder harness and cutter head Engine Type Air cooled two stroke single cylinder Displacement mL (cu.inch) 37.4 (2.28) Max revolution r/min 10,000 Carburetor Walb
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ASSEMBLING DRIVE SHAFT • Stand engine uprignt on a level floor. • Loosen bolts at drive shaft end of the engine. Bolts • Fit drive shaft assembly ensuring that the drive shaft is correctly engaged. • Tignten bolts to fasten drive shaft assembly. WARNING DANGER NEVER START ENGINE WITHOUT DRIVESHAFT ASSEMBLY INSTALLED. THIS COULD RESULT IN SERIOUS INJURY. HANDLE 1. Right hand grip assembly 1 Insert right hand grip assembly into right hand U- 2. Slot handle and fit it to the slot for rotat
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Loosen 4 right handle assembling bolts and insert right 1. Right handle assembling bolt hand U-handle into right handle assembling bracket. 2. Right handle assembling bracket (toward direction of arrow ) 3. Right hand U-handle 1 4. To engine 2 Fix the right hand U-handle by tightening 4 right handle assembling bolts lightly. 3 4 Adjust each inclination of right and left handles to 1 adequate position (easy to operate) and tighten firmly handle assembling bolt (8 mm) and 4 right handle asse
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THROTTLE CABLE Nut (A) Nut (B) The engine is delivered with throttle cable (engine side) Swivel separated, assemble the cable to carburetor as follows. • Remove the cover. • Remove nut (A) and one washer from throttle Stop lead cable. • Insert throttle cable througn the hole of bracket as shown. • Replace washer and nut (A) finger tignt, and attach the inner cable to swivel on throttle lever ensuring that the nipple fits into socket provided on one Ground side of slot. lead • Tighten nut (A) to
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Fuel mix chart IMPORTANT (50 : 1) Stored fuel ages. Do not mix more fuel than you expect to use in thirty (30) days, ninety US METRIC (90) days when a fuel stabilizer is added. GAS OIL GAS OIL Stored two-stroke fuel may separata. ALWAYS GAL. FL.OZ. L mL shake fuel container thoroughly before each use. 1 2.6 4 80 2 5.1 8 160 5 12.8 20 400 STARTING COLD ENGINE • Slide switch to START/RUN position as shown. • Push purge bulb 3 or 4 times (or until constant flow of fuel is visible in fuel return lin
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OPERATING THE TRIMMER • Adjust handle to a convenient position for cutting as instructed on page 5. • 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 forward. - Avoid striking any obstruction such as rocks, stones or tree stumps which can damage the cutter head . Do not cut into the ground. - To avoid damage to the engine, do not run the engine unloaded
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ECHO 2-LINE MANUAL TRIMMER HEAD (OPTION) WARNING DANGER GRASS/WEED TRIMMERS CAN THROW GRAVEL, STONE, WOOD CHIPS, GLASS, AND PLASTIC OR METAL OBJECTS. THE DEBRIS SHIELD BEHIND THE TRIMMER HEAD STOPS MUCH OF THE DEBRIS, BUT CANNOT PREVENT THE OPERATOR FROM BEING STRUCK BY SOME DEBRIS. READ THE RULES FOR SAFE OPERATION IN THE OPERATOR’S MANUAL THAT YOU RECEIVED WITH YOUR ECHO TRIMMER. AISO, FOLLOW AII INSTRUCTIONS IN THIS INSTRUCTION SHEET. 1. Read the Operator’s Manual carefully. Be thro
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INSTALLATION OF NYLON LINE HEAD Upper fixing plate Locking tool (OPTION) Cutting Set the nylon line head to the drive shaft and tighten head by turning as shown. TIGHTEN 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 reduced efficiency and broken line. 2. Maintain the line at the recommended length of 12.5 to 15 cm ( 5 to 6 inch ). A longer line will reduce engine speed, a shorter line may resul
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TRIMMING The nylon line will allow you to trim along walls and fence lines. Always try to trim from right to left, walking behind the unit and parallel to the wall or fence, thus deflecting debris away from the operator. EDGING 1. The nylon line is intended only to cut grass and should not be used to cut a normal edging trench along stone or concrete driveway etc. 2. Tilt the unit vertically as illsutrated and use only the line tip to remove unwanted growth. MOWING • The nylon line will effectiv
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STEEL BLADE OPERATIONS Your ECHO Trimmer/Brushcutter is designed for fast, efficient weed and brush control in areas which are otherwise inaccessable to power equipment. Standard configuration includes a handle bar and nylon line head for light trimming and weed clearing. Two special steel blades are available as options and recommended for use in extended heavy weed and brush clearing operations : ─ 1.Blade: weed and grass 8 tooth 20 cm (8 inch) diameter 2.Blade: brush 80 tooth 25 cm (10 i
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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 PULL means of the quick release latch. • Make some practice sweeps as with a scythe and readjust the harness as necessary for comfort and to maintain the cutter parallel to the ground. Quick release latch WARNING DANGER IN CASE OF EMERGENCY, PULL THE QUICK RELEASE LATCH TO DISCONNECT
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INSTALLING THE BLADE 1. The installation of the 8 tooth weed/grass blade (option) and the 80 tooth brush is exactly the same. Brush Blade Weed/Grass Blade (80 tooth) (8 tooth) 2. Rotate the drive shaft until the holes in the upper Upper fixing plate fixing plate and the gear box are aligned. Insert the locking tool. Locking tool 3. Remove the nylon line line head, if fitted, by turning Box wrench in a clockwise direction. 4. Install the blade ensuring that it is centered correctly on the fixing
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HEAVY WEED CUTTING • Install the 8 tooth 20 cm (8 inch) 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 so the work area will always be visible. BRUSHCUTTING • Install the 80 tooth blade. • Proceed exactly as for weed and grass cutting. SMALL TREES • The unit will effectively cut small trees up to 7.5 cm
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MAINTENANCE AND CARE - ALWAYS KEEP THE UNIT CLEAN - AIR FILTER • Clean before using the unit. - Remove the cover. (for air filter and carburetor) Air filter - Take off the air filter. Cover - Brush off dust lightly or wash it in suitable cleaning fluid. - When you wash it in a solvent, dry it completely before putting back in place. FUEL STRAINER • Check periodically. - Do not allow dust to enter into fuel tank. - Clogged strainer will cause difficulty in starting engine or abnormalities in engi
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SPARK PLUG • Check periodically. • Standard spark plug gap is 0.6 - 0.7 mm (0.024 - 0.028 in). • Replace if either electrode is worn or if the insulator is fouled by oil or other deposits. • TORQUE = 14.2 - 15.2 N⋅⋅⋅m (125 - 135 in.lb) ⋅⋅ 0.6 - 0.7mm (.024 - .028 in.) CAUTION Do not over torque. GEAR HOUSING Gear • Remove the bolt every 50 hours and check. housing • Replenish as necessary, but do not overfill. - Shell delpena or good quality lithium multi grease is recommendable. Bolt CARBURE
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6. Accelerate to full throttle for 2 - 3 seconds to clear any excess fuel in the engine, then return to idle. Accelerate engine to full throttle to check for smooth transition from idle to high speed. If engine hesitates turn “L” needle CCW 1/8 turn and repeat acceleration. Continue adjustment until smooth acceleration results. 7. Check idle speed and reset if necessary as described in item 5. CAUTION When strarting, idling adjustment speed should be adjusted not to rotate the cutting attachment
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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 compression adequate? • Is fuel system in good condition and is enough fuel being supplied? • Is electrical system in good condition and is spark plug operating normally? When there is serious trouble w
