Echo SRM-310S Operator'S Manual Download

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Grass Trimmer/Brush Cutter

Operator's Manual

MODELS,

SRM - 310
SRM - 310S
SRM - 310U

Serial Number 04001001 - 04999999

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.

X7502127100

X750004110

01/03

Summary of Contents for SRM-310S

Page 1: ...RM 310 SRM 310S SRM 310U Serial Number 04001001 04999999 WARNING DANGER Readrulesforsafeoperationandinstructionscarefully ECHOprovidesanOperator s ManualandaSafetyManual Bothmustbereadandunderstoodfor...

Page 2: ...Safety Equipment 5 Extended Operation Extreme Conditions 5 Equipment 6 Safe Operation 7 Emission Control 7 Description 8 Package Contents 8 SRM 310 Parts 9 SRM 310 Part Descriptions 10 Specifications...

Page 3: ...des 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 fol...

Page 4: ...de Cutting attachment does not stop immediately after releasing throttle Keep hands and feet clear of blade cutting attachment unless engine is shut off and cutting attachment is not moving 7 INSPECTB...

Page 5: ...g Pants should have long legs shirts with long sleeves DONOTWEARSHORTS DONOTWEARTIES SCARVES JEWELRY Wear sturdy work shoes with non skid soles DONOTWEAROPENTOEDSHOES DONOTOPERATEUNITBAREFOOTED EXTEND...

Page 6: ...er equipment and consult a doctor if you feel tingling numbness or pain in the fingers hands wrists or arms The sooner RSI CTS is diagnosed the more likely permanent nerve and muscle damage can be pre...

Page 7: ...in odd positions or on ladders Do not over reach EMISSION CONTROL EPA Phase 2 The emission control system for these engines is EM Engine Modification PRODUCTEMISSIONDURABILITY The 300 hour emission d...

Page 8: ...r B d l e i h S l a t e M 3 1 3 e s a C r a e G d l e i h S s w e r c s m m 6 1 x m m 5 4 1 2 d l e i h S t e k c a r B s w e r c s m m 8 x m m 5 5 1 4 e s a C r a e G d l e i h S t e k c a r B s t u...

Page 9: ...GRASS TRIMMER BRUSH CUTTER OPERATOR S MANUAL 9 MODEL SRM 310 PARTS 1 13 11 6 12 15 6 7 8 9 4 5 2 1 14 10 3 18 16 17 23 24 19 20 21 22 10 3 4...

Page 10: ...ting applications Harness metal shield and U handle required for blade operation 13 METAL BLADE SHIELD Required when unit is equipped with blades Do not operate unit without shield 14 SHOULDER HARNESS...

Page 11: ...NGKBPMR 8Y Gap0 65mm 0 026in Fuel Mixed GasolineandTwo strokeOil Fuel OilRatio 50 1ECHOHighPerformance two strokeaircooledengineoil Gasoline 89 Octane unleaded DO NOT use fuel containing methyl alcoh...

Page 12: ...OPERATION Install Plastic Debris Shield Tools Required Screwdriver Locking Tool Parts Required Plastic Debris Shield Shield Plate three 3 5x18mmscrews WARNING DANGER The plastic shield is for use with...

Page 13: ...mm screws w captivated flat and lock washer metal shield to gear housing 2 5 x 8 mm screws 2 5 mm nuts 2 5 mm lock washers bracket to shield 2 5 mm nuts 2 5 mm lockwashers bracket to gear housing 1 I...

Page 14: ...nsert 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 is installed or...

Page 15: ...swivel B 3 Loosen nut A and place threaded end of throttle linkage in bracket slot Finger tighten nut A 4 Check throttle for freedom of movement and that wide open throttle low idle extremes are adjus...

Page 16: ...uent grass weed blade use Brush Clearing Blades require SRM 310 310S Installation of metal shield A and accessoryU HandleKit P N35130454130 B and use of harness with hip pad D SRM 310U Installation of...

Page 17: ...de use for dense thickets and saplings up to 64 mm 2 1 2in diameter P N99944200130 Shoulder WaistHarness P N30100052131 UseoftheShoulder Waist Harness is required for blade operation and is recommende...

Page 18: ...and Premium 50 1 oil meets these standards Engine problems due to inadequate lubrication caused by failure to use an ISO L EGD and J A S O FC certifiedoil suchasEchoPremium50 1Two strokeOil willvoidth...

Page 19: ...Pump primer bulb C until fuel is visible and flows freely in the clear fuel tank return line Pump bulb an additional 4 or 5 times 4 Recoil Starter Lay the trimmer on a flat clear area and pull the re...

Page 20: ...er 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 STOPPING ENGINE 1 Release Throt...

Page 21: ...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 22: ...till 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 Level 1 Tools required...

Page 23: ...e required if care is used during cleaning IMPORTANT To maintain proper engine operating temperatures cooling air must pass freely through the cylinder fin area This flow of air carries combustion hea...

Page 24: ...crews 10 Connect spark plug lead to spark plug EXHAUST SYSTEM Spark Arrestor Screen Level2 Tools Required Cross Head Screwdriver Soft metal brush Wooden carbon scraper 4 mm Hex Wrench Parts Required S...

Page 25: ...le speed adjustment may be required periodically to comply with specifications for this unit See page 11 Specifications for correct idle speed Level2 Toolsrequired Screwdriver Tachometer ECHOP N990511...

Page 26: ...se if necessary DO NOT over fill Drive Shaft SRM 310 310UOnly SRM 310SDriveshaftissealed 1 Loosen two 2 screws B and remove center locating screw C Pull gear box and shield from drive shaft 2 Pull fle...

Page 27: ...uired ECHO 0 105in NylonTrimmerLine15m 50feet long 1 Shut engine off Lay unit on the ground with head assembly up 2 Hold head firmly and push in cover tabs A to remove cover B and spool C 3 Use one pi...

Page 28: ...y15 20cm 6 8in oflineremains placelines in spool notches F 6 Thread line ends through housing eyelets G and place spool in housing against spring 7 Align cover tabs with tab holes in housing and push...

Page 29: ...e handling due to vibration and can result in blade failure Sharpening 8 tooth Blades Tool required Flatfile preferred Electric grinder if special care is used Round rat tail file for gullet radius IM...

Page 30: ...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 p o r...

Page 31: ...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 32: ...duct 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 y...

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