Zenoah HB250 manual

The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. WARNING OWNER / OPERA T OR MANUAL HANDHELD BLOWER 848-L0F-93A0 (503) HB250 Thank you for purchasing a RedMax product. Before using our blower, please read this manual carefully to understand the proper [...]

Read this manual carefully to understand all safety precautions, controls, proper operation and maintenance of your RedMax blower . Failure to do so could result in serious injury . Instructions labeled as shown at left concern critical steps or procedures which must be followed in order to prevent accidents which could lead to serious bodily injur[...]

CONTENTS SAFETY PRECAUTIONS ················································································ 4 OPERATOR USE OF BLOWER WORKING CONDITION AVOID NOISE PROBLEM AVOID CHANCES OF DAMAGE SYMBOLS ON THE MACHINE ·························?[...]

• Read this Blower Owner/Operator Manual carefully. Be sure you understand how to operate this unit properly before you use it. Failure to do so could result in serious injury. • Be sure to keep this manual handy so that you may refer to it later whenever any questions arise. Also note that you are requested to contact the dealer from whom you [...]

• Never use the blower without the screen at the air intake of the blower. Before each use, check that, the screw(1) is securely tightened and is free from any damage. •N ever remove debris from the intake screen while the engine is running. Contact with rotating blower fan may result in a serious personal injury. • Do not allow children to u[...]

 6  • Keep operation area clear of all persons, particularly small children and pets. Injury may result from flying debris. • Avoid using the blower where stable footing and balance are not assured. • Never touch the spark plug or plug cord while the engine is in operation. Doing so may result in being subjected to an electrical shock. [...]

 7  Symbols on the machine CE MO TEUR EST CONFORME A LA REGLEMENT A TION U .S. EP A 2005 POUR LES PETITS MO TEURS HORS-ROUTE. DUREE DE CONFORMITE DES EMISSIONS : CA TEGORIE C. SE REFERER A U MODE D’EMPLOI POUR DE PLUS AMPLES INFORMA TIONS. F AMMILLE DE MO AMMILLE DE MO TEUR : TEUR : 5KZXS.0254VW 5KZXS.0254VW ;EM ;EM CYLINDREE : 25cm 3 DA TE[...]

Parts Location & Specifications Assembly ■ BLOWER PIPE • Align groove in blower pipe with projection on blower housing (or another blower pipe) and slide the pipe onto the blower housing (or another blower pipe). Rotate the pipe clockwise to lock it into place. MODEL HB250 Dimensions ( L x W x H ) mm ( in ) 327 x 273 x 360 (12.9 x 10.7 x 14[...]

 9  Fuel ■ RECOMMENDED MIXING RATIO GASOLINE 50:OIL 1 • Exhaust emission are controlled by the fundamental engine parameters and components(eq., carburation, ignition timing and port timing) without addition of any major hardware or the introduction of an inert material during combustion. • These engines are certified to operate on unle[...]

 10  Fuel again for at least one minute. As some oils may be difficult to agitate depending on oil ingredients, sufficient agitation is necessary for the engine to last long. Be careful that, if the agitation is insufficient, there is an increased danger of early piston seizing due to abnormally lean mixture. 5. Put a clear indication on the [...]

 11  ■ RESTARTING ENGINE WHILE ENGINE IS HOT 1. When restarting the engine immediately after stopping it, leave the choke open. 2. If the engine won't start after several attempts, close the choke and repeat pulling the rope or remove the spark plug and dry it. ■ STOPPING ENGINE Release the throttle lever to the idling position and p[...]

 12  ■ FUEL FILTER •A clogged fuel filter may cause poor acceleration of the engine. Check periodically to see if the filter is clogged with dirt. The filter can be taken out of the fueling port using a small wire hook. Disconnect the filter assembly from the fuel pipe and unhook the retainer to disassemble it. Clean the components with g[...]

the muffler may get loose during operation which may result in engine catching on fire. ■ SPARK ARRESTER • The muffler is equipped with a spark arrester to prevent red hot carbon from flying out of the exhaust outlet. Periodically inspect and clean as necessary with a wire brush. In the State of California it is required by law (Section 4442 of[...]

 14  Storage BEFORE STORING THE BLOWER: 1. Drain a fuel tank and push the primer bulb until it becomes empty of fuel. 2. Remove the spark plug and drop a spoonful of 2-cycle oil into the cylider. Crank the engine several time and install the spark plug. T roubleshooting guide Case 1. Starting failure CHECK PROBABLE CAUSES ACTION fuel tank ➞[...]

Parts List NOTE : 1. Use KOMATSU ZENOAH genuine parts as specified in the parts list for repair and/or replacement. 2. KOMATSU ZENOAH does not warrant the machines, which have been damaged by the use of any parts other than those specified by the company. 3. When placing parts orders for repair and/or replacement, check if the model name and the se[...]

Fig.1 ENGINE GROUP HB250  16  Parts List[...]

 17  Fig.1 ENGINE GROUP HB250 Key# Part Number Description Q'ty 1 6457402 ROTOR 1 2 4309501 CRANKCASE&SHAFT ASSY 1 3 6968501 • BEARING 2 4 5687501 • SEAL 1 5 9071301 GASKET CASE 1 6 6968401 • RING 1 7 5687401 • SEAL 1 8 6634801 • SCREW 3 9 3075003 • CRANKCASE ASSY 1 10 3090101 CRANKSHAFT ASSY 1 11 6457303 PISTON 1 12 6969[...]

Key# Part Number Description Q'ty 1 848-L0F-55A1 VOLUTE CASE 1 2 848-L0F-55B0 VOLUTE COVER 1 3 T4970-52000 SCREW TORX 12 4 6811-11130 GURD NET 1 5 6811-11170 SCREW 1 6 6811-11160 STOPPER 1 7 6811-11150 LEVER 1 8 6811-72200 SWITCH 1 9 848-L0F-31A0 ENGINE COVER 1 10 T4960-53510 SCREW TORX 4 11 6811-12110 FAN 1 12 1650-43230 182301 NUT 1 13 6811-[...]

EMISSION-RELATED PARTS, FOR TWO (2) YEARS FROM THE DATE OF ORIGINAL DELIVERY OF THE UNIT, KOMATSU ZENOAH AMERICA INC. (THE COMPANY), THROUGH ANY RedMax DEALER, WILL REPAIR OR REPLACE, FREE OF CHARGE, FOR THE ORIGINAL AND EACH SUBSEQUENT PURCHASER, ANY PART OR PARTS FOUND TO BE DEFECTIVE IN MATERIAL AND/OR WORKMANSHIP. EMISSION-RELATED PARTS ARE: TH[...]

Pièces en rapport avec les émissions de gaz d'échappement : KOMATSU ZENOAH AMERICA INC., par l'intermédiaire de n'importe quel revendeur RedMax, réparera gratuitement ou remplacera gratuitement pour l'acheteur initial et chaque acheteur successif toute(s) pièce(s) se révélant de constitution et/ou de montage défectueux [...]