SRM-280T OPERATION© 1/2014 ECHO Inc.X7502310409 15OPERATIONMoving parts can amputate fingers or cause severe injuries. Keep hands, clothing and loose objectsaway from all openings. Always stop engine, disconnect spark plug, and make sure all moving partshave come to a complete stop before removing obstructions, clearing debris, or servicing unit.Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can causeunconsciousness, serious injury, or death. Exhaust can cause serious burns. ALWAYS position unitso that exhaust is directed away from your face and body.Operation of this equipment may create sparks that can start fires. This unit is equipped with a sparkarrestor to prevent discharge of hot particles from the engine. Metal cutters can also create sparks ifthe cutter strikes rocks, metal, or other hard objects. Contact local fire authorities for laws orregulations regarding fire prevention requirements.Operation With BladesBlade use DEMANDS specific Brush Cutter configuration. Operation without specified shield, barrierbar or U-handle, and harness can result in serious personal injury. Follow installation instructions.DO NOT INSTALL BLADES ON GT (CURVED SHAFT) MODEL TRIMMERS.• Arbor Diameter of Upper Blade Plate must match arbor diameter of blades.• New cotter pin required each time blade is installed.• Brush cutters over 16.5 lbs (7.5 kg) dry weight (weight w/o fuel) require a double shoulder harness.Note: The Barrier Bar is used to restrict rearward movement of the unit. The Barrier Bar is NOT A HANDLEand should not be gripped when using or carrying the unit.TO USETHESEBLADESPro Maxi-CutGrass/WeedBladeRigid PlasticTri-CutGrass/Weed BladeMetal BladeYoumustinstalltheseparts!Support Handle, w/orw/o Barrier BarU-Handle or SupportHandlew/Barrier BarU-Handle or SupportHandlew/Barrier BarPlastic Shield Plastic Shield Metal ShieldHarness Harness HarnessUpper Plate &Flat WasherUpper Plate& Glide CupUpper/LowerBlade PlatesHex Nut Hex Nut Hex NutNew Cotter Pin New Cotter Pin New Cotter Pin