Brush Cutter RBC252 String Trimmer INSTRUCTION MANUAL RBC252 Read i uies for operation z-irld instrucirons carefully RBC253
~ - - ’ -~ Thank you very much for purchasing your MAKITA STRING T R I M M E R BRUSH CUTTER We are prclud of and very confident in recommending our MAKITA STRING T R I M M E R B R U S H CUTTER as d result of our extensive development and substantial knowledge and experience Please read and understand this booklet thoroughly before operating yoiii MAKITA STRING T R I M M E R BRUSH CUTTER In order to take advantage of its outstaridincj mrfor;?-l-ince / SAFETY R U L E S A N D PRECAUTIONS Proper >afety pre
23 24 25 26 27 28 29 30 31 32 33 34 i 35 36 37 38 39 40 41 42 43 44. 45 46. Use only replacement parts that are identical to original equipment parts when servicing the unit: these parts are available from your dealer, The use of any other accessory or attachment inay create a potential hazard, injury !o the user and damage to the machine. Clean the machine completely. especially the fuel tank cap, its surroundings, and the air cleaner.
EQUIPMENT DESCRIPTION * ” RBC252 I RBC253 ~ ITEM NO. 1 3 # -5 7 8 FuelTank I Air Cleaner ___ __ Recoil Starter -- , - 1 Spark Plug .. ---, ---- - _. - i Holder Case T
ASSEMBLY INSTRUCTIONS FOR STRING T R I M M E R (Model RBC253) Mounting t h e handle (Fig. 1 ) Attach the handle to t h e drive shaft 2 Install the handle joint on the handle as shown in Fig 1 3 Insert the installation bolt M6x45 through the holes in the handle a n d attach t h e flange nut M 6 4 Adjust the handle to the desired position a n d tighten the installation bolt 1 - , - ... Fig 1 - Gear case I Installation bolt M6x20 Mounting t h e protector (Fig. 2) 1 .
TProttle wire io throttle lever STEP 1 Throttle wre ano Flcj 9 Mounting the handle and connecting the throttle wire a n d switch cords.
ASSEMBLY INSTRUCTIONS FOR Gear case B R U S H CUTTER (ModelRBC252) Installation bolt M6x20 Mounting t h e protector (Fig. 11) 1. Install the clamp on the drive shaft so that t h e projection of the clamp is inserted into the opening between the gear case and the drive shaft. Protector 2. Attach the protector with two installation bolts M6x20. Fig. 11 Mounting the cutter blade (Fig. 12,13) 1 . Turn the machine upside down so that you can easily install t h e cutter blade. 2.
P R E P A R I N G FOR OPERATION Fuel a n d oil mixture This product is powered by a two-cycle e n g i n e and requires pre-mixing gasoline and two-cycle engine 011 Inspect the fuel tank and f i l l with clean, fresh fuel and oil of the proper rrtxture to assure the longer life of the tool Use the following mixed gas Gasoline Genuine Makita Two-cycle engine oil = 50 1 or Gasoline Other manufacturer's Two-cycle engine oil = 25 1 recommended ____ -. ____- - __ - - .
REFUELING Use Oil-gasoline mixture for fuel as noted in "Fuel and Oil Mixture" on previous page Always s h u t off the engine and allow it to cool before refueling. Thoroughly clean the area around the fuel filter cap, to prevent dirt from getting into the fuel tank. Unscrew the fuel cap and f i l l the tank with fuel, then screw on the fuel filler cap tightly(EdT. /'3,'.. - I Wipe off any spilled fuel before starting.
ENGINE STARTING A N D STOPPING PROCEDURES Starting w h e n t h e e n g i n e is cold Use the following procedure when the engine is cold 01 after It has beer, stopped for longer than 5 minutes. or aft;.: f1~ir.I has oeen added to !he engine. 1 . S!ide t h e stop switch away from t h e 'STOP (Fig. 17.18). 2. Gently push on the primer p u m p repeated!\/ 7 1 Q times) until fuel enters the primer p u m p (Fig. 19) 3 Close the choke lever fully by mown3 it to tiic , a qposition (Fig. 19:i 4.
CORRECT HANDLING OF THE MACHINE I i- ... .. ~- ~- Fig 2 2 Fig. 21 Attachment, adjustment a n d d e t a c h m e n t of t h e s h o u l d e r s t r a p Attachment Place the strap hook into the hanger which I S located on the shaft between the grip and the handle Adjustment Adjust the strap length so that the nylon cutting head / blade VJIII be kept parallel to the ground (Fig 21) i Detachment (NORMAL) Remove t h e strap hook from the hanger.
Handling t h e machine 1. Hang the machine on the right side of your body 2 Squeeze the throttle lever to increase the rotational speed Release the throttle lever -md the erigir'e rvill run at idle (low speed) Use a rotational speed suitable for the grass being cut I f t I D roiatiJnal speed is excessively low grass may become lammed in the nylon cutting headicutter blade 3. During grass cutting. firmly hold the machine to allow easy, controlled handling 4.
DAlLY CHECK-UP AND MAINTENANCE cover , Fig. 27 06 mm (0024' I - Sponge element FIY 28 - 0 7 mm - 0028") x I I I Fig. 29 Fig. 30 1 . Before operation, pay particular attention to the tightness of the nylon cutting head. Re-tighten the , ~ y I c : ~ cutting head if necessary (every 8 h o u r s or daily). 2. Check for clogged cooling air passage and cylinder fins. Clean them if necessary (every 8 hours or da!ly) 3. Clean the air cleaner every 8 hours or daily. using the following procedure: i).
STORAGE ' When storing the machine for a icng time drain the fuel from the fuel tank and cdrbLretor as follows 1 Drain all fuel from the fuel tank Gently push on the primer pump repeatedly i i n t r l all fuel IS expelled out of the primer p u m p Properly dispose of the fuel in accordance with all local laws 2 Remove the spark aluy and add a few drops of oil into the spark plug hole Then pull the starter geMy to assure that d n oil ;ilm coats the engine inside, then insert and tighten the S D k~ d u g 3 C
INSTRUCTIONS FOR USE OF THE CUTTER BLADE safety instructions 1. Read this section carefully and thoroughly before use 2 Check the blade before use (Fig 34) If you notice any damage to it, replace it with a new blade. IMPORTANT: The blade m u s t only be resharpened by an authorized facility. Manual resharpening will result in an unbalanced blade, which will cause vibrations a n d damage to t h e equipment. (Fig. 35) CAUTION: Always wear gloves when handling the cutter blade. A Be:.
Kickback Prevention To avoid kickbacks, observe the following: Easy cutting with almost no kickback is possible within a blade segment between 8 and 1 1 o'clock (Fig 37) Operation within a blade segment between 12 and 2 o'clock presents severe hazards, especially when using metal cutting tools. Cutting operations within a blade segment betweep 1 1 and 12 o'clock, and between 2 and 5 o'clock, m u s t only be performed by train& and experienced operators, and then only at their own risk. I Fig.
INSTRUCTIONS FOR U S E OF THE NYLON CUTTING HEAD (Model WBC253) * (BUMP & FEED BF4) I Safety Instructions 1 2 Read this section carefully and thoroughly before use Check the nylon cutting head carefully before each use If you notice any of following, replace the worn or damaged parts with new ones immediately (Fig 40) Dents appear on the knob head The housing (cover) is damaged or cracked The "Limit marks (notches)" on the cover have disappeared Wear appropriate clothing and protectors 4 Always stop
Replacing t h e nylon cord (Bump & Feed BF4) 1 . P r e s s the homing latches inward to lift off the cover; then remove t h e spool (Fig. 44). 2. R u n the new nylon cord through t h e hole in the center of t h e spool. a n d pass o n e e n d of the cord through [he notch into the other side of the spool. Allow one 3. 4. 5. 6. 7. e n d of t h e cord to extend about 3" ( 8 0 m m ) further than the other e n d (Fig. 45). Wind both e n d s firmly around the spool in t h e direction of the head rotation.
Emmision Control Warranty Statement YOUR WARRANTY RIGHTS A N D OBLIGATIONS The California Air Resources Board arid Makita U.S.A..Inc. are pleased to explain the emissiori zo!i:rcl warranty on your 1995 and later utility and/or lawn a n d garden equipment engine. In California.neit utility arid lawn and garden equipment engines must be designed, built and equipped to meet the State's strqent anti-smog standards. Makita U.S.A.,Inc.
LllMlTED WARRANTY - California Only Makita U S A Inc a distributor of utility and lawn and garden equipment in the U S , warrants to the owner of 1995 and later utility and/or lawn and garden equipment engines that the engine ( 1 ) has been designed built apa equipped at the time of manufacture so as to conforrn with the applicable iegulations of the California Ai, Resources Board and (2) is free from defects in materials and workmanship which may cause it to fail to c m form with those regulations as appli
WHAT IS NOT COVERED U N D E R THIS WARRANTY Tills ivarrai?ty does not cover any emission-relatea part <>vITich m?l:i.J!i c s , t d s , or 1s daniageci ' : w t3 a i t ~ c;ns and/or modifications such as changing. adding. or rerriov:r it4 :)dl I < V!hc?ii ;f.ji'S an engine is being serviced under warranty. M2.kii2 of warranty stations shall not be liable for any loss of U S k !nc: . 3': .JSC LJ! ' ' ~ ,;!IY ? ny of I!S authorized dealers.
REPAIR A N D R E P L A C E M E N T O F ERillSSIQN-RELATED P A R T S / I S reccximericlerf thai Sniy engirie replacement parts which have beer aLtiic;r!zer: ?r-ifJ approwcl by Makita U . S A . , Inc. ~ t i : ~ ?le a ~~~~J s eini it h e performance Df a n y warranty maintenance or i , < ~ : ~ of: emission-related s oarts These :epi?ce;riarit parrs will be provided at no charge i f the par! is Sill1 L I P I : '~.
