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Grass Trimmer/Brush Cutter

Operator's Manual

MODELS,

SRM - 3100, 3110

Type 2/2E

SRM - 3100S

Type 1/1E

Serial Number 001001 & Up

SRM - 3400

Type 1/1E

Serial Number 001001 - 5

41

792

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.

WARNING

The engine exhaust from this

product contains chemicals known

to the State of California to cause

cancer, birth defects or other

reproductive harm.

X7502124702

89861155832

03/00

Summary of Contents for SRM-3100 Series

Page 1: ...541792 WARNING DANGER Readrulesforsafeoperationandinstructionscarefully ECHOprovidesanOperator s ManualandaSafetyManual Bothmustbereadandunderstoodforproperandsafe operation WARNING The engine exhaus...

Page 2: ...ration 7 Extended Operation Extreme Conditions 8 Description 9 Contents 9 Blade Terms and Definitions 9 Emission Control 10 Specifications 12 Assembly 13 Drive Shaft Powerhead 13 Plastic Shield Instal...

Page 3: ...tips for use care and maintenance of the unit Throughout this manual and on the product itself you will find safety alerts and helpful information messages preceded by symbols or key words The followi...

Page 4: ...diately after releasing throttle Keep hands and feet clear of blade cutting attachment unless engine is shut off and cutting attachment is not moving INSPECTBLADESBEFOREUSE DONOTUSEDAMAGED CRACKED BEN...

Page 5: ...fuel is a leading cause of hydrocarbon emissions Some states may require the use of automatic fuel shut off containers to reduce fuel spillage Contact your ECHO dealer for ordering information EQUIPME...

Page 6: ...oper clothing and safety gear must be worn when operating a trimmer Physical Condition Your judgment and physical dexterity may not be good if you are tired or sick if you are taking medication if you...

Page 7: ...equipment with the Operator s Manual and insturctions for safe operation Do not operate this product indoors or in inadequately ventilated areas Review the area to be trimmed Look for hazards that cou...

Page 8: ...ngers followed by whitening and loss of feeling consult your physician before further exposing yourself to cold and vibration Repetitive Stress Injuries It is believed that overusing the muscles and t...

Page 9: ...acket to shield 4 5mm nuts 4 5mm lockwashers MODELS 3100S 3400 3110 TYPE 2E 3100 TYPE 2E DESCRIPTION The ECHO product you purchased has been factory pre assembled for your convenience Due to packaging...

Page 10: ...PLACEMENT 30 5 CC THIS ENGINE MEETS U S EPA PH1 EMISSION REGULATIONS FOR SMALL NON ROAD ENGINES REFER TO OWNER S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS EMISSION CONTROL The emission con...

Page 11: ...or blade use 11 THROTTLE TRIGGER Spring loaded to return to idle when released During acceleration press trigger gradually for best operating technique 12 U HANDLE Required for metal blade operation 1...

Page 12: ...M 7 A G a p 0 6 5 m m 0 0 2 6 in F ue l M ixe d G a s o line a nd Tw o s tro k e O il F ue l O il R a tio 5 0 1 E C H O H ig h P e rfo rm a nc e tw o stro k e a ir c o o le d e ng ine o il G a so lin...

Page 13: ...on bolt A 3 Carefully fit driveshaft assembly to engine making sure that inner drive shaft engages into clutch mount NOTE Lower bearing housing and head assembly must be in line with the engine 4 Turn...

Page 14: ...plate B with notch in edge of gear housing and insert head locking tool A 2 Remove split pin from hole in PTO shaft 3 Remove 10mm nut by turning it clockwise as viewed from underside ofgrassshield wit...

Page 15: ...through hole in upper plate and notch in gear housing to prevent splined shaft from turning Tighten nut and secure with Split Pin L HARNESS CLAMP INSTALLATION NOTE Some models require installation of...

Page 16: ...ately50 75mm 2in 3in fromtheground c Tighten clamp screw THROTTLE LINKAGE AND IGNITION LEADS Tools Required 8mmx10mmopenendwrench 1 Close choke and remove air filter cover 2 Loosen nut A and place thr...

Page 17: ...table operation and secure screws U HANDLE INSTALLATION Tools Required 8mmx10mmOpenEndWrench Screwdriver Parts Required SRM 3100SeriesU HandleKitP N35130455730 SRM 3400SeriesU HandleKitP N35130455830...

Page 18: ...harness clamp H from drive shaft assembly 8 Loosen four 4 screws and remove front handle J 9 PositionlowerU HandleBracket K 400mm 15 3 4inches from engine end of drive shaft Secure with three 3 5mm x...

Page 19: ...ket Finger tighten both nuts A 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 achi...

Page 20: ...eel Metal Blades Require Blade Conversion Kit PLUS a U HandleKit C SRM 3100SeriesP N35130455730 SRM 3400SeriesP N35130455830 Choosing the Correct Blade WARNING DANGER The type of Blade used MUST be ma...

Page 21: ...431 UseShoulder WaistHarness P N30100052131 UseoftheShoulder Waist Harness is recommended for ALL Trimmer Brush Cutter use not just Blade operation The Shoulder Waist Harness when used in a trimming o...

Page 22: ...rantyExplanation Mixing Follow directions on the oil container Handling Fuel WARNING DANGER FuelisVERYflammable Useextremecarewhenmixing storingor handling or serious personal injury may result Use an...

Page 23: ...unoccupied building away from sparks and flames Do not store fuel longer than 30 days IMPORTANT Stored fuel ages Do not mix more fuel than you expect to use in thirty 30 days ninety 90 days when a fu...

Page 24: ...use Before starting the unit equip yourself and any other personworking within the 15M 50 ft Safety Zone with the required Protective Equipment and clothing OPERATION WARNING DANGER Do not operate thi...

Page 25: ...DANGER Inspect starting area for hazards such as rocks glass debris etc which could be thrown by the cutting attachment when starting Keep helpers and bystanders at least 15M 50 ft from starting area...

Page 26: ...TOP position 2 Start Pull Rope Lay the trimmer on a flat clear area and pull the recoil starter handle D until the engine fires NOTE If engine does not start after 5 pulls use Cold Start Procedure STO...

Page 27: ...D o h c E d e d n e m m o c e R t r o P t s u a h x E r e d n i l y C n o b r a c e D n a e l C t c e p s n I 3 C I s e r u d e c o r P e c n a n e t n i a M f l e s r u o Y t I o D r e t l i F r i A...

Page 28: ...in it still fits the cavity in the air cleaner cover is installed with the original side out NOTE Carburetor adjustment may be needed after air filter cleaning replacement FUEL FILTER Level1 Toolsrequ...

Page 29: ...oling air must pass freely through the cylinder fin area This flow of air carries combustion heat away from the engine Overheating and engine seizure can occur when Air intakes are blocked preventing...

Page 30: ...he engine cover be certain the tab of the metal deflector shield is in the slot of the cover EXHAUST SYSTEM Spark Arrestor Screen Level2 Tools Required Cross Head Screwdriver Scrench Soft metal brush...

Page 31: ...d 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 outsi...

Page 32: ...ted the cutting attachment should not turn at idle otherwise serious personal injury may result CARBURETOR ADJUSTMENT Non Emission Models Without Limiter Caps ToolsRequired Screwdriver Tachometer ECHO...

Page 33: ...o rich drop off point RPM will increase then gradually slow and drop off Note this position 2 c Final setting Set needle at mid point between lean rich drop off points 3 d Turn needle 1 8 turn CCW out...

Page 34: ...drive shaft 2 Pull flexible cable from the drive shaft housing wipe clean and recoat with a thin coating of 1 2 oz 15 ml of high temperature automotive grease 3 Slide the flexible cable back in the d...

Page 35: ...lines and wind line clockwise tightly and evenly 4 Stopwhenapproximately15 20cm 6 8 line C remainsand place ends of line in notches E in spool B 5 Feed ends of line through housing eyelets F and plac...

Page 36: ...the spool spindle until ends are even 4 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 5 Whenappro...

Page 37: ...ling due to vibration and can result in blade failure 8 tooth Blade Tool required Flat file preferred Electric grinder if special care is used Round rat tail file for gullet radius 1 File each tooth a...

Page 38: ...O dealer See your ECHO dealer Spark at plug No spark at plug Spark gap incorrect Covered with carbon Fouled with fuel Spark plug defective Adjust 0 65mm 0 026in Clean or replace Clean or replace Repla...

Page 39: ...exterior of unit 4 Perform all periodic lubrication and services that are required 5 Tighten all the screws and nuts 6 Drain the fuel tank completely and pull the recoil starter handle several times...

Page 40: ...ral Standard Time Monday through Friday Before calling please know the model and serial number of your unit to help your Consumer Product Support Representative WARRANTY CARD This card is our means of...

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