Echo SRM-251U Operator'S Manual Download

Page: 1 / 32

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.

Grass Trimmer/Brush Cutter

Operator's Manual

MODEL

SRM - 251U

X7502022000

X750008170
04/05

Summary of Contents for SRM-251U

Page 1: ...afeoperationandinstructionscarefully ECHOprovidesanOperator s ManualandaSafetyManual Bothmustbereadandunderstoodforproperandsafe operation Grass Trimmer Brush Cutter Operator s Manual MODEL SRM 251U X...

Page 2: ...Manual Safety Symbols and Important Information 3 International Symbols 3 Personal Condition and Safety Equipment 4 EquipmentCheck 6 EmissionControl 8 Description 7 Contents 9 Assembly 10 Plastic Shi...

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: ...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 for dev...

Page 6: ...UAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS EQUIPMENT CHECK WARNING DANGER Use only ECHO approved attachments Serious injury may result from the use of a non approved attachment combination ECH...

Page 7: ...decals are legible and that you understand and follow the instruc tions on them If a decal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDERING instructions for specific i...

Page 8: ...t a cut off knife the line will become too long the engine will overheat and engine damage may occur 13 PLASTICDEBRISSHIELDASSEMBLY Includedinplasticbag co pack MUST beinstalledonunitbeforeuse see Ass...

Page 9: ...x16mmscrews shieldmtg __ 1 3mmHexagonWrench __ 1 4mmHexagonWrench __ 1 8mmx55mmbolt __ 1 flatwasher __ 2 cableclips __ 1 Plastic Bag __ 3 5mmx15mmscrews shieldmount __ 2 5mmx8mmscrews brackettoshield...

Page 10: ...to remove 3 Remove locking tool Retain lower plate blade nut and cotter pin for future use with blade conversions 4 Align plastic debris shield F with the drive shaft and install on the bottom of the...

Page 11: ...de installation Retain plastic shield shield plate and plastic shield hardware for conver sion back to nylon line operation 2 Align hole in upper plate D with notch in gear housing G and insert lockin...

Page 12: ...t securely 4 Insert Split Pin A in hole in PTO shaft and bend pin legs around shaft counterclockwise to retain 10 mm nut IMPORTANT Never reuse a cotter pin install a new cotter pin each time a blade i...

Page 13: ...iner block to make necessary adjustments 6 Pivot retainer plate up to secure throttle cable cap and tighten screw 7 Connect ignition stop leads C and D 8 Bundle and secure ignition leads against engin...

Page 14: ...3 4 in diameter or larger 80 Tooth Brush Blade P N 69500120331 is designed for cutting brush and woody growth up to 64 mm 2 1 2 in diameter 22ToothClearingBlade 99944200130 isdesignedfordensethickets...

Page 15: ...tion IMPORTANT EchopremiumPowerBlendTM Universal2 StrokeOilmaybemixed at 50 1 ratio for application in all Echo engines sold in the past regardless of ratio specified in those manuals Handling Fuel WA...

Page 16: ...er is added IMPORTANT Stored two stroke fuel may separate ALWAYS shake fuel container thor oughly before each use STARTING COLD ENGINE WARNING DANGER The attachment will operate immediately when the e...

Page 17: ...DO NOT close the choke and do not depress throttle trigger to wide open position WARNING DANGER The attachment should not move at idle otherwise serious personal injury may result NOTE If attachment...

Page 18: ...not equipped with the necessary tools you may want to take your unit to an ECHO Service Dealer for maintenance To help you decide whether you want to DO IT YOURSELF or have the ECHO Dealer do it each...

Page 19: ...s e r r A k r a p S r e l f f u M e c a l p e R t c e p s n I 2 R I x e l F t f a h S e v i r D s l e d o M e l b a C e s a e r G 2 1 I g n i s u o H r a e G e s a e r G 2 2 I e p o R r e t r a t S l...

Page 20: ...lement can be cleaned and reused be certain it still fits the cavity in the air cleaner cover is installed with the original side out FUEL FILTER Level1 Tools Required 200 250mm 8 10in lengthofwire wi...

Page 21: ...LING SYSTEMS CLEANING 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 coolin...

Page 22: ...Screen Level2 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 co...

Page 23: ...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 24: ...caps prevent 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...

Page 25: ...rease if necessary DO NOT over fill Drive Shaft 1 Loosen two 2 screws B and remove center locating screw C Pull gear box and shield from drive shaft housing 2 Pull flexible cable from the drive shaft...

Page 26: ...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 27: ...nsafe handling due to vibration and can result in blade failure Tool required Flatfile preferred Electricgrinderifspecialcareis used Round rat tail file for gullet radius 1 File each tooth at a 30 deg...

Page 28: ...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 y l r e...

Page 29: ...r reach an open flame 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...

Page 30: ...ane unleaded DO NOT use fuel containing methyl alcohol more than 10 ethyl alcohol or 15 MTBE Oil PowerBlendTM PremiumUniversal2 StrokeOil Fuel Tank Capacity 0 42lit 14 2USfl oz RecoilStarterSystem i 3...

Page 31: ...GRASS TRIMMER BRUSH CUTTER OPERATOR S MANUAL 31 NOTES...

Page 32: ...you may call the ECHO ConsumerProductSupportDepartmentat1 800 673 1558from8 30am to 4 30 pm Central Standard Time Monday through Friday Before calling please know the model and serial number of your...

Search results

Summary of Contents for SRM-251U

Reviews:

Related manuals for SRM-251U

Brands by name

Popular brands

Echo SRM-251U, Operator'S Manual

Search results

Summary of Contents for SRM-251U

Reviews:

Related manuals for SRM-251U

Brands by name

Popular brands