Echo SRM-400U User Manual

X750-005 26 2X750216-1602ECHO, INCORPORATED400 Oakwood Road, Lake Zurich, Illinois 60047-1564Phone : 847-540-8400OPERATOR’S MANUALTRIMMER/BRUSHCUTTERS

10INSTALLATION OF NYLON LINE HEAD(OPTION)Set the nylon line head to the drive shaft andtighten by turning as shown.CUTTING PROCEDURESLocking toolOPERA

11SHOULDER HARNESS•Install the harness over the both shoulders andadjust shoulder straps so that the quick releaselatch rests low on the right hand si

12WARNING DANGER1. SERIOUS INJURY MAY RESULT FROMTHE IMPROPER USE OF STEEL BLADES.READ AND COMPLY WITH SAFETYINSTRUCTIONS LISTED IN THIS MANUAL.

136. SHOULD THE BRUSHCUTTER BEOPERATED FOR AN EXTENDED PERIODOF HIGH TEMPERATURES, THE GEARBOX MAY BECOME VERY HOT.IF TOO HOT TO TOUCH, ALLOW THE UNIT

14INSTALLING THE BLADE1. The installation of the 8 tooth weed/grass blade(option) and the 80 tooth brush is exactly thesame.Locking toolBox wrenchTIGH

15HEAVY WEED CUTTING•Install the 8 tooth 20 cm (8 in) blade. (option)•Observing all precautions as listed in this manual,start the engine and using fu

16MAINTENANCE AND CARE- ALWAYS KEEP THE UNIT CLEAN -AIR FILTERClean before using the unit.- Close choke. Disengage latch and remove aircleaner cover.-

17CAUTIONWhen starting, idling adjustment speedshould be adjusted not to rotate the cuttingattachment. Correct idle speed is adjusted2,900 to 3,100 r/

18TROUBLE SHOOTINGPoor performance of the engine and/or trimming mechanism can normally be prevented by carefullyfollowing instructions.Poor performan

19Fuel strainer clogged Clean or replace.Fuel pipe clogged Clean.Suction insufficient Make sufficient.Fuel strainer clogged Clean or replace.Carbureto

2INTRODUCTIONThe ECHO Trimmer/Brushcutter, model SRM-400Uis lightweight, high performance gasoline poweredrotary trimmer which is designed for brushcu

20Improper fuel used Use fuel with correct mixing ratio.Never use gasoline of poor quality.Spark plug defective (burnt) Replace.As cooling fins clogge

3SAFETY INSTRUCTIONS1. Do Not operate the unit when you arefatigued.2. Do Not operate if other people or animalsare in the work area.3. Do Not operate

4SRM-400UDimension L × W × H cm 186 × 70 × 43 (73.2 in × 27.6 in × 16.9 in)Mass kg 9.9 (21.8 lb): without shoulder harness and cutter headEngine Type

5ASSEMBLINGDRIVE SHAFT•Stand engine upright on a level floor.•Loosen bolts at drive shaft end of the engine.•Fit drive shaft assembly ensuring that th

6SHIELDFit the shield on the gear housing and tightenscrews with washers (Seven points) as shown.SHOULDER HARNESSFit the shoulder strap to the swivel

7Oil 150GasolineGENERAL CHECKEnsure that all nuts, screws and bolts installed areproperly tightened.FUEL STATEMENTGASOLINE: Use 89 octane [(R+M)/2] ga

8OPERATING THE TRIMMER•Adjust handle to a convenient position for cuttingas instructed on page 6.•Allow the engine to warm up at a fast idle for afew

9WARNING DANGERDO NOT ALLOW EITHER PEOPLE ORANIMALS INTO THE WORK AREA.ALWAYS WEAR SAFETY GOGGLES WHENCUTTING.DRESS PROPERLY - AVOID LOOSECLOTHI