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MODEL ---------------------------------------------------- PB-251 hand held

Length  ------------------------------------------------------ 340 mm (13.4 in.) (w/o pipes)
Width -------------------------------------------------------- 270 mm  (10.6 in.) 
Height ------------------------------------------------------- 350 mm (13.8 in.) 
Weight (dry) ------------------------------------------------ 4.5 kg (9.9 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 or spark arrestor muffler with catalyst

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- 

FC/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 ™

 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) ------------------------------------------ 2,800 - 3,200 
Wide Open Throttle Speed (RPM) ---------------------- 6,700 - 7,200
Maximum Air Speed w/pipes (MPH) ------------------- 64.8 m/sec  (145 mph)

Maximum Air Volume

 ------------------------------------ 11.0 m

3/

min. (390 cu. ft./min.)

Sound Level at 50 ft. dB(A) scale per ANSI B175.2 - 65 dB(A)

Содержание PB-251 - 11-09

Страница 1: ...r s Manual MODEL PB 251 X750009765 11 09 X7501180005 warning Read rules for safe operation and instructions carefully ECHO provides this Operator s Manual which must be read and understood for proper...

Страница 2: ...ement Manuals 28 Specifications descriptions and illustrative material in this literature are as accurate as known at the time of publica tion but are subject to change without notice Illustrations ma...

Страница 3: ...alert symbol accompanied by the word WARNING calls attention to an act or condi tion which CAN lead to serious personal injury or death if not avoided Circle and slash symbol This symbol means the sp...

Страница 4: ...with cap or net Hot Humid Weather Heavy protective clothing can increase operator fatigue which may lead to heat stroke Schedule heavy work for early morning or late afternoon hours when temperatures...

Страница 5: ...r operation Repetitive Stress Injuries It is believed that overusing the muscles and tendons of the fingers hands arms and shoulders may cause soreness swelling numbness weakness and extreme pain in t...

Страница 6: ...mplete stop before removing obstructions clearing debris or servicing unit DO NOT start or operate unit unless all guards and protective covers are properly assembled to unit NEVER reach into any open...

Страница 7: ...cal cannot be read a new one can be ordered from your ECHO dealer See PARTS ORDERING instructions for specific information P N X505002310 P N X505002080 65 Category I dB A Measured at 50 ft 15m per AN...

Страница 8: ...OLD START to close choke for cold starting Move choke lever to RUN position to open choke 10 PURGE BULB Pumping purge bulb before starting engine draws fresh fuel from the fuel tank purging air from t...

Страница 9: ...blower pipe into fan case so that line F meets locking ring C rotate locking ring clockwise 1 8 turn to lock upper blower pipe in place 5 Align tabs H with grooves G and slide lower blower pipe over u...

Страница 10: ...is manual WARNING Alternative fuels such as E 15 15 ethanol E 85 85 ethanol or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2 stroke gasoline engines Use of alternative fue...

Страница 11: ...ALWAYS fill fuel tanks outdoors over bare ground DO NOT overfill fuel tank Wipe up spills immediately Securely tighten fuel tank cap and close fuel container after refueling Inspect for fuel leakage I...

Страница 12: ...ort pulls only 1 2 2 3 of rope for start ing Do not allow the rope to snap back in Always hold the unit firmly 5 Recoil Starter Place the unit on a flat clear area Firmly grasp throttle grip with left...

Страница 13: ...pidly pull recoil starter handle rope E until en gine fires IMPORTANT Recoil starter Use short pulls only 1 2 2 3 of rope for start ing Do not allow the rope to snap back in Always hold the unit firml...

Страница 14: ...riate hours 2 Allow the engine to warm up at a fast idle for a few minutes 3 Control engine speed with throttle trigger F or for continu ous use set engine speed with throttle position lever B Rotate...

Страница 15: ...e stop before removing obstructions clearing debris or servicing unit Allow unit to cool before performing service Wear gloves to protect hands from sharp edges and hot surfaces COMPONENT SYSTEM MAINT...

Страница 16: ...he rubber sealing edges are deformed 4 If filter can be reused be certain it Fits tightly in the air filter cavity Is installed with the original side out 5 Install air filter cover fuel filter Level...

Страница 17: ...he engine and prevents the heat from leaving Removal of cooling passage blockages or cleaning of cooling fins is considered Normal Maintenance Any failure attributed to lack of maintenance is not warr...

Страница 18: ...rop in engine output and overheating Spark arrestor screen must be checked periodically 1 Remove two engine cover screws and remove cover from engine Clean cylinder fins with brush to allow cooling ai...

Страница 19: ...deposits from cylin der exhaust port IMPORTANT Never use a metal tool to scrape carbon from the exhaust port Do not scratch the cylinder or piston when cleaning the exhaust port Do not allow carbon p...

Страница 20: ...ting the engine below 1 100 feet ASL otherwise severe engine damage may result Level 2 Tools required Screwdriver tachometer Echo P N 99051130017 Parts required None NOTE Every unit is run at the fact...

Страница 21: ...r a c h t i w d e r e v o C l e u f h t i w d e l u o F e v i t c e f e d g u l P n i 6 2 0 0 m m 5 6 o t t s u j d A e c a l p e r r o n a e l C e c a l p e r r o n a e l C g u l p e c a l p e R s n...

Страница 22: ...n the STOP position 3 Remove accumulation of grease oil dirt and debris from exterior of unit 4 Perform all periodic lubrication and services that are required 5 Tighten all screws and nuts 6 Drain th...

Страница 23: ...rrestor muffler with catalyst 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 FC FD two stroke air cooled engine oil Gasoline Use 89 Oc...

Страница 24: ...PTIONS For two stroke engine powered products the electronic ignition module flexible drive cables SRM solid drive shafts and TC tines are warranted for the life of the product on parts only Cutting a...

Страница 25: ...Incorrect storage procedures stale fuel including failure to provide or perform required maintenance services as prescribed in the operator s manual Preventative maintenance as outlined in the operato...

Страница 26: ...ned built and equipped to conform with applicable EPA and C A R B emissions standards and that your equipment SORE is free from defects in material and workmanship that would cause it to fail to confo...

Страница 27: ...27 Power Blower Operator s Manual notes...

Страница 28: ...presenting your unit for Warranty service repairs proof of purchase is required echo consumer product support If you require assistance or have questions concerning the applica tion operation or maint...

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