Ronix 4552, Introduction Manual

Page 1: ...GASOLINE BRUSH CUTTER 4552 ...

Page 2: ...e maximum speed 9500 min Maximum cutting speed 7200 min Cutting diameter 255mm Blade Fuel mixture Gasoline 40 Oil 1 Fuel tank Capacity 1000 ml Net weight without fuel cutting attachment and harness kg 7 1 kg Noise LPA dB 93 7 dB A K 3dB A Noise LWA dB 110 4 dB A K 3dB A Vibration m s Front Left 6 9 m s K 1 5 m s Rear Right 7 8 m s K 1 5 m s Spark plug Champion RCJ7Y Carburetor MC1639BE Huayi ...

Page 3: ... Before using this product please read this manual carefully to understand the proper use of your unit INTRODUCTION This manual contains safety information to make you aware of the hazards and risks associated with the machine and how to avoid them This machine is intended for trimming and brush cutting It is important that you read and understand these instructions thoroughly before attempting to...

Page 4: ...a to avoid any accident by hitting hidden obstacles such as stumps stones cans or broken glass Beware of blade thrust Beware of thrown objects Keep bystanders at least 15m away from the operating person Do not use saw blades Never modify the cutter in any way Improper use of any cutter can cause SERIOUS OR FATAL PERSONAL INJURY Guaranteed sound power level according to noise directive 2000 14 EC a...

Page 5: ...s to use this machine unless they are thoroughly responsible and have read and understand the machine manual and are trained in its operation Always wear safety goggles or visor for eye protection Dress properly do not wear loose clothing or jewelry that could become caught in moving parts of the unit Safe sturdy nonskid footwear should always be worn Long hair should be tied back It is recommende...

Page 6: ...ge crack break etc on the guard contact with your dealer for replacing it If use of non conformant replacement guards or remove or modify these guards could result in serious injury to the operator or bystanders Keep the handles free from oil and fuel Always use proper handles and shoulder strap when cutting Do not smoke while mixing fuel or filling tank Do not mix fuel in an enclosed room or near...

Page 7: ...Do not use the unit when you are tired ill or under the influence of medication drugs or alcohol Use nylon cutting head which is free of damage If a stone or any other obstacle is hit stop the engine and check the nylon cutting head A broken or unbalanced nylon cutting head must never be used FOLLOW INSTRUCTION FOR CHANGING ACCESSORIES Do not store in a closed area where fuel vapors can reach an o...

Page 8: ...achine as well as create an unsafe environment for yourself and those around you Pay attention to loosening and overheating of parts If there is any abnormality of the machine stop operation immediately and check the machine carefully If necessary have the machine serviced by an authorized dealer Never continue to operate a machine which may be malfunctioning In start up or during operation of the...

Page 9: ...trigger the ailment is unknown Keep your body warm especially the head neck feet ankles hands and wrists Maintain good blood circulation by performing vigorous arm exercises during frequent work breaks and also by not smoking Limit the hours of operation Try to fill each day with jobs where operating the brush cutter or other hand held power equipment is not required If you experience discomfort r...

Page 10: ...d the upper clamp Install the handle in to the middle clamp then locked the screw INSTALLING PLASTIC GUARD 1 Move the 2 screw from the guard 2 Aim at the thread hole with the clamp and guard 3 Tighten the screw Screw Clamp Guard INSTALLING HARNESS 1 Adjust the harness hanger in a comfortable piston 2 Buckle the harness at the hanger ...

Page 11: ...shaft 5 Align the hole on the gear box to the slot on the flange washer 6 Use pin to through the hole and slot and hold the flange washer 7 Install the string head and tighten it USE THE DOUBLE SHOULDER HARNESS INSTALL THE HARNESS Put the harness on your shoulders and position the snap joint on front of your waist and connect the snap joint WARNING CAUTION EXCESSIVE VIBRATION STOP ENGINE IMMEDIATE...

Page 12: ... the operating DANGER ZONE with you The danger zone is an area 15 meters in radius about 16 paces or 50 feet Insist that persons in the RISK ZONE beyond the danger zone wear eye protection from thrown objects If the unit must be used where there are unprotected people operate at a low throttle speed to reduce the risk of thrown objects Move the stop switch to O position when the engine idles insur...

Page 13: ...Tilting the head to the wrong side will shoot the debris TOWARDS you If the line head is held flat to the ground so that cutting occurs on the whole line circle debris will be THROWN at you drag will slow the engine down and you will use up a lot of line WARNING The proper debris shield must be in place on the unit when nylon cutting line is used the cutting line can flap around if too much line i...

Page 14: ...eing thrown AWAY from you TRIMMING Tilt the head slowly to direct debris away from you If cutting up to a barrier such as fence wall or tree Approach from an angle where any debris ricocheting off the barrier will fly away from you Move the line head slowly until the grass is cut right up the barrier but do not jam overfeed the line into the barrier If trimming up to a wire mesh or chain linked fe...

Page 15: ...t find for himself the angles which suits his body size and cutting situation Cut Off Knife On Left Side Knife Side Raised CUTTING WITH A BLADE SCYTHING WEEDS This is cutting by swinging the blade in a level arc It can quickly clear areas of field grass and weeds Scything should not be used to cut large tough weeds or woody growths NOTE Do not use a brush blade to cut trees which exceed a diameter...

Page 16: ...ventilated area Do not add fuel to this unit close to an open fire or sparks Be sure to wipe off spilled fuel before attempting to start engine Do not attempt to refuel a hot engine Fuel used for this model is a mixture of unleaded gasoline and approved engine lubricant When mixing gasoline with two cycle engine oil use only gasoline which contains NO ETHANOL or METHANOL Types of Alcohol Use Brand...

Page 17: ... it is clean and fill with fresh fuel Use a mixture of 40 1 PREPARING FOR OPERATIONS Do Not Mix Gasoline And Oil Directly In The Engine Fuel Tank IMPORTANT Failure to follow proper fuel mix instructions may cause damage to the engine 1 When preparing fuel mixture mix only the amount needed for the job you are to do Do not use fuel that has been stored longer than one months Fuel mixture stored lon...

Page 18: ...lace 4 Check to be sure that is not leak 5 Check to be sure the blade is not running in idling speed WARNING The engine exhaust from this product contains chemicals known to cause cancer birth defects or other reproductive harm OPERATIONS ENGINE STARTING AND STOPPING PROCEDURES STARTING COLD ENGINE Move the stop switch to I position 1 Give a gentle push on the primer pump consistently 7 10times un...

Page 19: ...duce engine efficiency Increase fuel consumption and allow abrasive particles to pass into the engine Remove the air filter as often as necessary to maintain in a clean condition Light surface dust can readily be removed by tapping the filter Heavy deposits should be washed out in suitable solvent Remove filter cover by loosening air filter cover knob ADJUSTING CARBURETOR NOTE Do not adjust carbur...

Page 20: ...to the threads TROUBLE SHOOTING Clean or replace the plug if fouled with heavy oily deposits Replace the plug if the center electrode is worn rounded at the end Spark gap 0 6 0 7mm 023 028 Fastening torque 145 155kg cm 125 135in lb TRANSPORT The engine should be turned off when the unit is moved between work areas After the engine has stopped the muffler is still hot Never touch hot parts such as ...

Page 21: ...ntionispaidtoalloperatinginstructionsandmaintenanceprocedures NOTE Should the engine not function properly check the following That the fuel system is in good condition and fuel is flowing to the engine The ignition system is in good condition and the spark plug sparks correctly Compression of the engine is adequate FAILURE TO START Dispose of fuel in tank Insure that fuel is fresh and clean Check...

Page 22: ...spark plug fouled with oily deposits Spark plug insulation damage Spark gap is too large or small clean the oil deposits replace spark plug adjust spark gap 0 6 0 7mm high voltage spark abnormality high voltage wire breach or break off coil looseness replace or tighten tighten fuel system normal Ignition System normal compress press is shortage piston ring attrite piston ring is broken piston ring...

Page 23: ...rning room fouled with oily deposits avoid use it for long time high speed and heavy load clean the oily deposits ENGINE RUNNING UNSTABLE symptom probable cause remedy there are metal knock sound piston piston ring cylinder attrite piston pin piston attrite bearing of crank shaft attrite replace piston piston ring replace piston pin piston replace bearing there are metal knock sound engine overhea...

Page 24: ...SER MANUAL 23 THE ENGINE SUDDENLY STOPPED probable cause remedy fuel is used up spark plug fouled with oily deposits and short circuit high voltage wire fall off add fuel clean the oily deposits connect ...

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