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                        Shindaiwa O wnER’S/OPERa TOR’S ManU aL
TM
PS344 PowerBroom
Minimize the risk of injury to yourself and others! Read this 
manual and familiarize yourself with the contents. Always wear 
eye and hearing protection when operating this unit.
WARNING!
X7502891100
05/10                                                                                                                                                                                                                                           
                    
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                        introduction iMPORTanT! WARNING! The Shindaiwa PS344 PowerBroom is  The information contained in these  designed and built to deliver superior The engine exhaust from  instructions describes units available at  performance and reliability without  this product contains chemicals  compromise to quality, comfort, safety the time of publication.  known to the State of California  or durability.  to cause cancer, birth defects, or  Shindaiwa engines represent the  other reproductive harm. Echo, Inc.
                    
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                        Safety Work Safely WARNING! WARNING! A PowerBroom operates at very high  Never make unauthorized Never operate  speeds and has the potential to do serious  attachment installations. power equipment of any kind if  damage if misused, abused or mishan- you are tired or if you are under  dled. To reduce the risk of injury, you must  the influence of alcohol, drugs,  Stay Alert maintain control at all times, and observe  medication or any other substance  all safety precautions during operation. You
                    
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                        Safety (continued) The Properly Equipped Operator Always protect yourself from hazards  such as thorny brush and flying debris  Always wear eye and  hearing protection.  by wearing gloves and close fitting  Shindaiwa recommends wearing a face shield as  clothing that covers arms and legs.  additional face and eye protection. Never wear shorts. Don’t wear loose  clothing or items such as jewelry that  could get caught in machinery or  underbrush. Secure long hair so it is  above shoulder level. A
                    
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                        Product description Spark Plug Using the  illustration as a guide, famil- iarize yourself with your machine and its  PS344 various components. Understanding your  Grip machine helps ensure top performance,  Ignition Switch long service life and safer operation. Handle Fuel Tank Outer Tube Tank  Protector Sweeper Belt Throttle  Gearcase Trigger Sweeper Drum WARNING! Do not make unauthorized  modifications or alterations to any of  these units or their components. Specifica tions Model PS344 Dry W
                    
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                        Emission Control (Exhaust & Evaporative) EPA 2010 and Later and/or C.A.R.B. TIER III The emission control system for the engine is EM/TWC (Engine Modification and 3-way Catalyst) and for the fuel tank  the Control System is EVAP (Evaporative Emissions) or N (for nylon tank). Evaporative emission may be applicable to  California models only. An Emission Control Label is located on the unit.  (This is an EXAMPLE ONLY; information on label varies by en- gine FAMILY). PRODUCT  EMISSION  DURABILITY (
                    
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                        assembly (continued) Adjust Throttle Lever   Loosen the air cleaner  Free Play cover knobs The throttle lever free play should be  approximately 3/16-1/4 inch (4-6 mm).   Make sure that the throttle lever oper- ates smoothly without binding. If it  becomes necessary to adjust the lever  free play, follow the procedures and  illustrations that follow.  Cable  1. Loosen the air cleaner cover knobs  Adjuster and remove the air cleaner cover.  Lock Nut 2. Loosen the lock nut on the cable  adjuster. 
                    
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                        assembly (continued) 1. Push one of the drum axles onto 2. Use a clevis pin and hitch pin to  either of the two gearcase output secure the drum axle to the shaft. shafts. If necessary, rotate the drum  The PowerBroom tool should now be  3. Slide the recessed end of a  axle until the clevis pin hole in the  completely assembled. sweeper drum assembly over the  axle aligns with the matching hole  installed axle, and then push the  in the gearcase output shaft. drum down the axle until the cotter  
                    
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                        Handling Fuel         DANGER Fuel is VERY flammable. Use extreme care when mixing, storing or handling or serious personal injury  may result. • Use an approved fuel container.  • DO NOT smoke near fuel. • DO NOT allow flames or sparks near fuel. • Fuel tanks/cans may be under pressure. Always loosen fuel caps slowly allowing pressure to equalize. • NEVER refuel a unit when the engine is HOT or RUNNING! • DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks outdoors over bare ground. • DO NOT 
                    
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                        Starting the Engine  iMPORTanT Engine ignition is controlled by a two position switch mounted on the throttle housing labeled, “I” for ON or START and  “O” for OFF  or STOP.     WARNING!  The attachment will operate immediately when the engine starts and could result in possible serious injury. Keep mov- able parts of the attachment away from objects that could become entangled or thrown, and surfaces that could cause  loss of control. WARNING!  Never start the engine from   the operating positi
                    
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                        Starting the Engine (continued) When the Engine Starts... ■ After the engine starts, allow the  ■ Advancing the throttle makes the  If the engine does not start engine to warm up at idle 2 or 3  cutting attachment move faster;  ■ Repeat the appropriate starting pro- minutes before operating the unit. releasing the throttle permits the  cedure for a cold or warm engine. attachment to stop moving. If the  ■ If the engine does not continue to  cutting attachment continues to  ■ If the engine still 
                    
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                        Operating Break-in and Operation Once broken in, a PowerBroom will  The PowerBroom works best when its  WARNING! effortlessly move an amazing variety of  rubber fins can quickly slide or “skim”  BURN DANGER! The gear- materials, ranging from snow or stand- over the surface being swept. New or  case will become very hot during  ing water to heavier objects such as  replacement sweeper belts tend to grip  normal operation. gravel or wood chips.  or drag on hard surfaces, and should  be thoroughly 
                    
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                        Maintenance iMPORTanT! WARNING! Air Filter MAINTENANCE, REPLACEMENT OR  The H4 engine that powers your  Before performing any  REPAIR OF EMISSION CONTROL  Shindaiwa model is a hybrid 4-stroke  maintenance, repair, or cleaning work  DEVICES AND SYSTEMS MAY BE  engine. As a hybrid, the engine is  on the unit, make sure the engine and  PERFORMED BY ANY REPAIR ESTAB- lubricated by oil mixed with the gaso- cutting attachment are completely  LISHMENT OR INDIVIDUAL; HOW- line and air from the carbureto
                    
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                        Maintenance (continued) 10/15-Hour Maintenance Remove and clean or replace the  spark plug. ■ Adjust the spark plug electrode gap  to 0.024 inch (0.6 mm). If the spark  0.024 inch              plug must be replaced, use only an  (0.6 mm) NGK CMR5H or equivalent resistor  type spark plug of the correct heat  range. CaUTiOn! Before removing the spark plug,  Clean the spark plug  clean the area around the plug to  and check the gap at  prevent dirt and debris from getting  the electrode. into the e
                    
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                        Maintenance (continued) 135 hour maintenance (cont.) Valve Adjustment 1. Remove cylinder cover, rocker arm  cover, and spark plug. Rotate the  crankshaft while observing the piston  through the spark plug opening.  When the piston is at the top of the  compression stroke (TDC), the valves  can be adjusted. CaUTiOn! ■ Performing a valve adjustment 2. Loosen adjuster locknut so that the 6. Turn engine over several times,  incorrectly may cause hard 2.5 mm Allen socket head adjustment and return to
                    
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                        Maintenance (continued) Muffler Maintenance If the engine becomes sluggish and low  on power, check and clean the spark  arrester screen. Engine Cover WARNING! Engine  Cover  Never operate the unit  Screws with a damaged or missing muffler  or spark arrester! Operating with a  missing or damaged spark arrester  is a fire hazard and could also dam- age your hearing. 1. With a 3 mm hex wrench remove Muffler the 3 engine cover screws and the  Muffler Gasket  engine cover. 2. With a 4 mm hex wrench,
                    
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                        adjusting Engine idle The engine must return to idle speed  Idle Speed Adjustment whenever the throttle lever is released.  1. Place the trimmer on the ground,  Idle speed is adjustable, and must be  then start the engine, and then  set low enough to permit the engine  allow it to idle 2-3 minutes until  clutch to disengage the attachment. warm. 2. If the attachment rotates when the  engine is at idle, reduce the idle  speed by turning the idle adjusting  WARNING! screw counter-clockwise. The at
                    
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                        Troubleshooting Guide EnGinE dOES nOT STaRT OR haRd TO STaRT Remedy Possible Cause What To Check Let cool completely and restart. Engine hot/heat soaked. Vaporlock. Refi ll with fresh, clean unleaded gasoline with a pump octane  Low fuel quality. of 89 or higher mixed with an air cooled engine oil that  meets or exceeds ISO-L-EGD and/or JASO FD classifi ed oils  at 50:1 gasoline/oil ratio. Valve adjustment. Consult with an authorized Shindaiwa Valve clearance too tight. servicing dealer. Adjust va
                    
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                        Troubleshooting Guide (continued) Troubleshooting Guide (continued) addiTiOnaL PROBLEMS LOw POwER OUTPUT Possible Cause Remedy Symptom Clogged air fi lter. Clean the air fi lter. What To Check Remedy Possible Cause Poor acceleration. Operator is overworking the unit. Use a lower throttle setting. Clogged fuel fi lter. Replace the fuel fi lter. Is the engine overheating? Carburetor mixture is too lean. Consult with an authorized Shindaiwa Lean fuel/air mixture. Consult with an authorized Shindaiwa se
                    
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                        Troubleshooting Guide (continued) Troubleshooting Guide (continued) addiTiOnaL PROBLEMS LOw POwER OUTPUT Possible Cause Remedy Symptom Clogged air fi lter. Clean the air fi lter. What To Check Possible Cause Remedy Poor acceleration. Operator is overworking the unit. Use a lower throttle setting. Clogged fuel fi lter. Replace the fuel fi lter. Is the engine overheating? Carburetor mixture is too lean. Consult with an authorized Shindaiwa Lean fuel/air mixture. Consult with an authorized Shindaiwa se