Makita RBC252 Instruction Manual Download | Manualshive

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Summary of Contents for RBC252

Page 1: ...Brush Cutter RBC252 String Trimmer RBC253 INSTRUCTION MANUAL RBC252 Read i uies for operation z irld instrucirons carefully ...

Page 2: ...open flames Assure adequate ventilation Ai iaysmix and store the fuel in a properly marked coitainer hat is approved by local codes and crdinances for such usage V s v e r remove the fuel tank cap while the engine is riirriir cj I 3 kever start or run the engine inside a closed room or JiIdii y Fumes from the exhaust contain dangercus carbon monoxide 1 1 12 Never attempt to make engine adjustments...

Page 3: ...fied service facility Never continue to operate a machine which may be malfunctioning In startup or during operation o f the engine never touch hot parts such as the muffler the high vo tage wire or the spark plug For a while after the engine has stopped the muffler is still hot Never place the machine near flammable materials dry grass etc combustible gasses or combustible liquids Pay special att...

Page 4: ...se 8 T TaT ip RBC253 20 I Fuel Filler Cap Hanger 9 10 21 Starter Knob Handle 11 Throttle Lever 22 Primer Pump 13 23 Choke Lever Drive Shaft Exhaust Pipe Protector 14 Gear Case 15 16 Handle Joint 18 Nylon Cctiing Head ___ __ _ __ 7 _ _ 24 25 Waist Pad 26 __ 1 ___ Cutter Blade RBC252 I 1 ITEM NO DESCRIPTION ITEM NO i DESCRIPTION ITEM I DESCRIPTION ...

Page 5: ... the drive shaft 2 Attach the protector with two installation bolts M6x20 i Mounting the nylon cutting head 1 Turn the machine upside down so that you can easily install the nylon cutting head 2 Insert the hex wrench through the hole in the back of the gear case Fig 4 and turn the tightening washer until it is locked with the hex wrench or the shaft is locked 3 Using the socket wrench remove the l...

Page 6: ... the waist pad around the drive shaft so tnat the hanger will protrude through the slit in the waist pad and the throttle wire and cords w1 I also be wrapped under the waist pad Fig 8 5 Secure the throttle wire with the w e clip as shown in the figure for easy oDeratioi1 Fig 9 6 Cover the throttle wire and swtct cords w t h split tubing Fig 10 motor cover to rernove sixk fiom the wires socket head...

Page 7: ...ing washer 4 Mount the cutter blade onto the shaft so that the guide of the support washer fits in the arbor hole in the cutter blade Install the tightening washer and secure the cutter blade with the nut Tightening torque 130 230 Kg cm l 15 200 in Ibs NOTE Always wear gloves when handling the cutter blade WARNING The cutter blade should be installed firmly a n d securely Fig 14 If the guide of th...

Page 8: ...OIL DIRECTLY IN THE FUEL TANK IMPORTANT Failure to follow groper fuel mix instructions may cause damage to the engine CAUTION 1 When preparing fuel mixture mix only the amount needed for the job you are to do Do not use fuel mixture that has been stored longer than tbvo months Fuel mixture stored longer than this will cause hard starting and poor performance If fuel mix has been stored longer than...

Page 9: ...clean protective clothing at regular intervals Take care not to spill either fuel oi oil in order to prevent soil contamination environmentalprotection Clean the brush cutter or string trimmer immediately after fuel has been spilt Avoid any fuel contact with your clothing Change your cloth ing instantly if fuel has been spilt on it a danger to life Inspect the fuel cap at regular intervals making ...

Page 10: ...the throttle lever fully N o t e The throttle lever is unlocked by s w e sII cjI i tiv Squeeze the throttle lever fully Push the lock button while releasing thi throttle lever RestartI ri g i ITmedi ateIy after the o ny i i i P h as sto13 ped 1 Slide the stop switch away iron tne STOP ucsition 2 3 Leave the choke lever in the oDen positiorl Fig 19 4 5 Fig 17 18 Gently push on the primer pump repea...

Page 11: ...mergency release the throttle lever firinly pull the re1 a k iJelt upward and dei c the machine fror FIG22 Be extremely cautious to maintain control of t h e maci r i at this time Do not allon the machine i J defixted toward you or anyone in the work viciixtv WARNING Failure to maintain complete control of the machine at all times could result in serious bodily injtiry or DEATH Keep cutting attach...

Page 12: ... lever is fully released If necessary adjust the idle rpm using the idle adjusting screw Fig 24 I Idle ad ilsiing screw Fig 24 USE THE PROPER PROTECTOR FOR THE NYLON CUTTING HEAD OR CUTTER BLADE AS SHOWN BELOW STRING TRIMMER RBC253 N ylor1 cU i r q head Protec or for nylon cutting head Fig 25 _ BRUSH CUTTER RBC252 Star blade Protecroi i jr P i l t a i cutter blade 1 Grass pasture Fig 26 To meet th...

Page 13: ...t the engine or to increase the engine rotational speed ii Re install the sponge element around the ribs of the air cleaner case 4 Check the spark plug every 8 hours or daily The gap between the two electrodes of the spark plug should be 0 6 to 0 7 mm 0 024 to 0 028 If the gap is too wide or too narrow adjust it If the spark plug is clogged with carbon or fouled clean it thoroughly or replace it F...

Page 14: ...holder case Fig 31 Note i Always inserr the drive shaft into the holder case fully approx 60mm 2 3 8 If the inner shaft resists full insertion of the drive shaft try to insert it again while slightly rotating the siqport washer on the gear case i i 5 2 caiitio is not to allow the switch cords to jinih d between the holder case and the gt1iend 2 After making scire that the drive shaft is installed ...

Page 15: ... in the area while operating the machine The blade might send stones or debris flying possibly harming bystanders 6 Never use the blade with its speed higher than 10 000RPM 7 Increase the cutter head speed to approx 6 000RPM Low speed under 4 000RPM causes inefficient cutting Installation See page 7 Mounting the blade Kickback Fig 36 When operating the brush cutter uncontrolled kickback may occur ...

Page 16: ... edges trees posts etc supplementing the grass mower Star Blade For cutting thick materials such as weeds high grass bushes shrubs underwood thicket etc max 2 cm or 314 in Perform this cutting work by swinging the brush cutter eveniy in half circles from right to left similar to using a scythe Maintenance instructions Before commencing work check the caridition of the cutter protective devices and...

Page 17: ... or replacing the nylon cord 5 Do not allow anyone near the operation area The cutters might send stones or debris flying possibly harming bystanders Never use the cutting head BF4 on tools with a cutter head speed higher than 10 000 RPM 6 installation _ _ _ _ j i See page 5 Mountingthe nylon cutting head Fig 41 _ I 1 r 3 0peration 1 Increase the cutter head speed to approx 6 000 RPM Low speed und...

Page 18: ... 6 150 mm of the cord leaving the ends temporarily hooked through a notch on the side of the spool Fig 47 5 Mount the spool in the housing so that the grooves and protrusions on the spool are aligned with those in the housing 6 Unhook the ends of the cord from their temporary position and feed the cords out through the eyelets in the side of the housing Fig 48 7 Align the protrusions on the unders...

Page 19: ...arranted for two years I any em s sion relatedpar on your engine i s defective the part will be repaired or replaced by Makita U S A lnc OWNER S WARRANTY RESPONSIBILITIES As the utility and lawn and garden equipment engine owner you are responsible for the peiformance of the required maintenance isfedin your owner s manual Mak ta U S A lnc recommends that J OLI i e h n dI receipts covering mainten...

Page 20: ... ihe work is performed at an authorized warranty station There will also be no charge for any diagnostic labor per rxmed at an authorized warranty station which leads to the determination that a warranted emission relatedDart IS defective Any warranted part which is not scheduled for replacement as required maintenance or which IS scheduled cnly tor regular inspection to the effect of repairor rep...

Page 21: ...jrJiTnesi intervals specified in tna 1995 and later Owner 5 liilani ai and to r3 ain records of these services as ha Jin2 performed These recorm should be transferred to zach sGoseq i rria v n e r o f the engine PAakita U S 4 c rino deny a claim so13lybecause there are no records o f schedui3d maintenance hoivever a warrai ITS 3 denied if the fai1dr eto perform the sch deci r ia ii anaric owever a...

Page 22: ... ce riarit parrs will be provided at no charge i f the par is Sill1 L I P I vcimnty HOW TO FILE A WARRANTY CLAIM AND WHERE TO GET WARRANTY SERVICES 3 r tf st il l k taFactory Service Cc rter Manager to rJetern i ie ii in sr telocation where the r y Ser xes are io b e performed A list o f the Factor S e r u c e lilctitions and p ione ncim c e l v ior your convenience 1553 Rose iilleR 3 S k E North ...

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