26
NOTES
Page 1: ...perationandinstructionscarefully ECHOprovidesanOperator s ManualandaSafetyManual Bothmustbereadandunderstoodforproperandsafe operation Grass Trimmer Brush Cutter Operator s Manual MODEL SRM 251 SRM 25...
Page 2: ...arburetor Adjustment 19 Lubrication 21 NylonLineReplacement 22 Troubleshooting 23 Storage 24 Specifications 25 ServicingInformation 28 Parts SerialNumber 28 ECHO Consumer Product Support 28 Service 28...
Page 3: ...sed Choke Control Run Position ChokeOpen Do not use blades String lineonly IMPORTANT The enclosed message provides information necessary for the protec tion of the unit NOTE This enclosed message prov...
Page 4: ...tures are cooler WARNING DANGER Users of this product risk injury to themselves and others if the unit is used improperly and or safety precautions are not followed Proper clothing and safety gear mus...
Page 5: ...muscles and tendons of the fingers hands arms and shoulders may cause soreness swelling numbness weakness and extreme pain in those areas Certain repetitive hand activities may put you at a high risk...
Page 6: ...located on the engine This is an EXAMPLE ONLY information on label varies by engine FAMILY PRODUCTEMISSIONDURABILITY The 300 hour emission durability compliance period is the time span selected by the...
Page 7: ...e these safety decals on your unit Make sure the decals are legible and that you understand and follow the instructions on them If a decal cannot be read a new one can be ordered from your ECHO dealer...
Page 8: ...ng operation 9 DRIVESHAFTASSEMBLY IncludestheRear righthand Handleassembly GearHousingassembly Front loop left hand Handle assembly steel drive shaft and Safety Decal 10 THROTTLETRIGGER Springloadedto...
Page 9: ...its may be factory pre assembled No assembly tools are needed and the nylon line head plastic debris shield and mounting hardware shown in the contents list are pre assembled to the unit Only the fron...
Page 10: ...m PTO shaft 2 Install the shield on the bottom of the bearing housing flange 3 Place shield plate B on shield align holes and install three 3 5x16mmscrews 4 Install upper plate A B A C NYLON LINE HEAD...
Page 11: ...TRIMMER BRUSH CUTTER OPERATOR S MANUAL 11 FRONT HANDLE INSTALLATION NOTE Label shows minimum spacing for front handle location 1 Position front handle for comfortable operation and secure screws MIN S...
Page 12: ...slowly allowing pressure to equalize NEVERrefuelaunitwhentheengineisHOTorRUNNING DO NOT fill fuel tanks indoors ALWAYS fill fuel tanks outdoors over bare ground DO NOT overfill fuel tank Wipe up spil...
Page 13: ...e trigger and throttle trigger lockout fully depressed and pull recoil starter starter handle rope until engine starts and runs Allow engine to run at partial throttle for approxi mately 10 seconds Re...
Page 14: ...visible and flows freely in the clear fuel tank return line Pump bulb an additional 4 or 5 times 3 Recoil Starter Lay the unit on a flat area and keep movable attachment parts clear of all obstacles R...
Page 15: ...R O P M I d e r i u q e r f o y c n e u q e r f e h t e n i m r e t e d l l i w e c n e i r e p x e r u o y d n a e s u l a u t c A m u m i x a m e r a n w o h s s l a v r e t n i e m i T e c n a n e...
Page 16: ...ubber sealing edges are deformed 4 If filter can be reused be certain it Fits tightly in the air filter cavity Is installed with the original side out 5 Installairfiltercover FUEL FILTER Level1 Tools...
Page 17: ...b COOLING SYSTEM Level2 Tools Required 3 4 mm Hex Wrench cleaning brush 25 or 50 mm 1or2in Parts Required None if you are careful IMPORTANT To maintain proper engine operating temperatures cooling air...
Page 18: ...l2 Tools Required Cross Head Screwdriver Soft Metal Brush 4mmHexWrench Parts Required Spark Arrestor Screen Gasket 1 Remove spark plug lead 2 Remove one 1 muffler cover screw and muffler cover 3 Place...
Page 19: ...carburetor adjustments can be made During the break in period your engine performance will increase and exhaust emissions will stabilize Idle speed can be adjusted as required High Altitude Adjustmen...
Page 20: ...t exceeding emission limits and over rich adjustment but not over lean adjustment which can cause engine failure Do not exceed recommended HI speed engine R P M during operation or for long periods du...
Page 21: ...exible cable back in the drive housing DO NOT get dirt on the flex cable 4 Install the gear housing and shield assembly IMPORTANT Flat edge of washers D must be against drive shaft LUBRICATION Level1...
Page 22: ...one on each side of barrier 3 Wind both lines tightly and evenly one on each side of barrier in the direction of arrow on bottom of spool 4 Place ends of lines into notches in spool leaving 6 in prot...
Page 23: ...f e d g u l P n i 6 2 0 0 m m 5 6 o t t s u j d A e c a l p e r r o n a e l C e c a l p e r r o n a e l C g u l p e c a l p e R e n i g n E s n u r r o s e i d t u b t o n s e o d e t a r e l e c c a...
Page 24: ...or spark 2 Place the stop switch in the STOP position 3 Remove accumulation of grease oil dirt and debris fromexteriorofunit 4 Perform all periodic lubrication and services that are required 5 Tighten...
Page 25: ...026in Fuel Mixed GasolineandTwo strokeOil Fuel OilRatio 50 1 two stroke air cooled engine oil Gasoline 89 Octane unleaded DO NOT use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTB...
Page 26: ...26 NOTES...
Page 27: ...GRASS TRIMMER BRUSH CUTTER OPERATOR S MANUAL 27 NOTES...
Page 28: ...unit with you You can find these numbers on the engine housing For future reference write them in the space provided below Model No _____________ SN ____________ SERVICE Service of this product during...