Echo SRM-280T Serial S74212040475 - S74212999999 - Manual (Page 32)

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© 1/2014 ECHO Inc.
SPECIFICATIONS SRM-280T
SPECIFICATIONS
MODEL SRM-280T
Length w/o cutter head 1802 mm (70.94 in.)
Width 246 mm (9.69 in.)
Height 349 mm (13.74 in.)
Weight (dry) w/o cutter head 5.76 kg (12.7 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 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 TM 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 0.64 lit. (21.6 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 2..07:1 Reduction
Rotating Direction Counter Clockwise; viewed from top
Cutter Head Speed Feed® 375 LH Nylon line head, Line capacity 6 m (20 ft.)
Handle Front - loop, Rear handle (w/o rubber)
Shoulder Harness Optional
Idle Speed 2,850 RPM
Clutch Engagement Speed 3,750 RPM
Wide Open Throttle Speed (W.O.T.)
with Nylon Line Head 10,700 RPM
with Blade 11,000 RPM