Echo SRM - 280U manual Grass Trimmer /Brush Cutter, Operator s Manual, Specifications

	Grass Trimmer/Brush Cutter
	Operator's Manual	33
Specifications
MODEL ----------------------------------------------------	SRM-280U
Length -------------------------------------------------------	1805 mm (71.1 in.)
Width --------------------------------------------------------	700 mm (27.6in.)
Height -------------------------------------------------------	515 mm (20.3 in.)
Weight (dry) w/Cutter Head------------------------------	6.38 kg (14.1 lb.)
Engine Type ------------------------------------------------	Air cooled, two-stroke, single cylinder gasoline engine
Bore----------------------------------------------------------	34.0 mm (1.34 in.)
Stroke--------------------------------------------------------	31.0 mm (1.22 in.)
Displacement -----------------------------------------------	28.1 cc (1.71 cu. in.)
Exhaust ------------------------------------------------------	Spark arrestor muffler or spark arrestor muffler with catalyst
Carburetor---------------------------------------------------	Diaphragm model w/purge pump
Ignition System --------------------------------------------	Flywheel magneto, capacitor discharge ignition type
Spark Plug --------------------------------------------------	NGK BPM-8Y (Gap 0.65 mm (0.026 in.)
Fuel ----------------------------------------------------------	Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio ----------------------------------------------	50 : 1 Power Blend X™ ISO-L-EGD (ISO/CD 13738) and
	J.A.S.O. M345- FD, two-stroke, air-cooled engine oil.
Gasoline -----------------------------------------------------	Use 89 Octane unleaded. Do not use fuel containing methyl
	alcohol, more than 10% ethyl alcohol or 15% MTBE. Do not use
	alternative fuels such as E-15 or E-85.
Oil------------------------------------------------------------	Power Blend X TM Premium Universal 2-Stroke Oil
Fuel Tank Capacity ----------------------------------------	0.61 lit. (20.6 US fl. oz.)
Starter System ----------------------------------------------	Automatic Rewind Starter
Clutch--------------------------------------------------------	Centrifugal Type
Vibration Isolated System --------------------------------	Rubber cushion on engine mount (heavy duty). Rubber grip on
	front handle.
Operating Rod----------------------------------------------	25.0 mm aluminum Tube
Drive Shaft--------------------------------------------------	6.35 mm (1/4 in.) flexible shaft
Gear Case Ratio --------------------------------------------	1.4:1 Reduction
Rotating Direction -----------------------------------------	Counter Clockwise; viewed from top
Cutter Head -------------------------------------------------	Nylon line head (2-line) with .095 Crossfire™ Line capacity
	12m (40 ft.)
Handle -------------------------------------------------------	U-Handle
Shoulder Harness ------------------------------------------	Standard
Idle Speed---------------------------------------------------	2,800 RPM
Clutch Engagement Speed--------------------------------	3,800 RPM
Wide Open Throttle Speed (W.O.T.)
with Nylon Line Head ------------------------------------	9,700 rpm
Wide Open Throttle Speed (W.O.T.) with Blade ------	11,000 RPM