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POWER BLOWER
OPERATOR'S MANUAL
SPECIFICATIONS
MODEL -----------------------------------------------------PB-251 Hand Held
Length------------------------------------------------------- 330 mm (13.0 in.) (w/o pipes)
Width--------------------------------------------------------265 mm (10.4 in.)
Height -------------------------------------------------------360 mm (14.2 in.)
Weight (dry) ------------------------------------------------4.1 kg (9.11 lb.)
Engine Type ------------------------------------------------Air cooled, two-stroke, single cylinder gasoline engine
Displacement -----------------------------------------------25.4cc (1.55 cu. in.)
Bore----------------------------------------------------------34.0 mm (1.34 in.)
Stroke-------------------------------------------------------- 28.0 mm (1.10 in.)
Carburetor --------------------------------------------------Zama Diaphragm model w/primer bulb
Ignition System --------------------------------------------Flywheel Magneto, capacitor discharge ignition type
Spark Plug -------------------------------------------------- NGK BPM8Y Gap 0.65 mm (0.026 in.)
Exhaust System --------------------------------------------Spark Arrestor Muffler w / Catayst
Fuel ----------------------------------------------------------Mixed (Gasoline and Two-stroke Oil)
Fuel/Oil Ratio -----------------------------------------------50:1 two-stroke air cooled engine oil
Gasoline ----------------------------------------------------- 89 Octane unleaded. DO NOT use fuel containing methyl alcohol,
more than 10% ethyl alcohol or 15% MTBE.
Oil ------------------------------------------------------------Power Blend
TM
Premium Universal 2-Stroke oil
Fuel Tank Capacity ----------------------------------------0.5 lit. (16.9 US fl. oz.)
Recoil Starter System --------------------------------------Automatic Recoil Starter Centrifugal Type
Idle Speed (RPM) ------------------------------------------2,700 - 3,300
Wide Open Throttle Speed (RPM)----------------------- 6,700 - 7,200
Maximum Air Speed w/pipes (MPH) --------------------63.5 m/sec (142 mph)
Maximum Air Volume --------------------------------------10.9 m
3/
min. (386 cu. ft./min.)
Sound Level at 50 ft. dB(A) scale per ANSI B175.2 ---- 65 dB(A)