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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
