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String Trimmer
Models: RBC221
RBC251
RBC25A
INSTRUCTION MANUAL
Read rules for operation and instructions carefully.
Model RBC221 RBC251
RBC25A
Dimensions (mm) 1,725~214~238
(67-29132" x 8-711 6" x 9-318")
(L x W x H)
Weight (kg) 4.1 (9.0 Ibs) 4.3 (9.5 Ibs)
Revolution of cutter head (rpm) 4,000 - 6,000
Gear ratio 1311 9
Clutch Automatic centrifugal type
Drive Shaft Type Splined steel shaft Flexible steel shaft
Engine:
Displacement (cc) 21.7 24.5
Power rating @s) 1 .o 1.3
Carbur
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Thank you very much for purchasing your MAKITA STRING TRIMMER. We are proud of and very confident STRING TRIMMER as a result of our extensive development and substantial in recommending our MAKITA knowledge and experience. Please read and understand this booklet thoroughly before operating your MAKITA STRING TRIMMER in order to take advantage of its outstanding performance. STRING TRIMMERS are designed for trimming grass, weeds and low growth, non-wood ground cover. Always use the proper
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23. Use only replacement parts that are identical to original equipment parts when servicing the unit: these from your dealer. The use of any other accessory or attachment may create a parts are available potential hazard, injury to the user and damage to the machine. 24. Clean the machine completely, especially the fuel tank cap, its surroundings, and the air cleaner. When refueling, be sure to stop the engine and confirm that it has cooled down. Never refuel when the 25. engine is runni
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EQUIPMENT DESCRIPTION 4
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ASSEMBLY INSTRUCTIONS Mounting the handle (Fig. 1) 1. Attach the handle to the 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, and attach the flange nut M6. Installation bolt M6x45 \ 4. Adjust the handle to the desired position and tighten the installation bolt. Fig. 1 Gear case I Installation bolt M6x20 I Mounting the protector (Fig. 2) 1. Install the clamp on the drive shaft so that
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PREPARING FOR OPERATION Fuel and oil mixture Inspect the fuel tank and fill with clean, fresh fuel of the proper mixture 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 FOR CALIFORNIA REGULATION: THIS EQUIPMENT IS CERTIFIED TO OPERATE ON GASOLINE + TWO-CYCLE ENGINE OIL WHEN MIXING GASOLINE WITH TWO-CYCLE ENGINE OIL, USE ONLY GASOLINE WHI
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ENGINE STARTING AND STOPPING Stop Position '"0 Start Position PROCEDURES 7" Starting when the engine is cold Use the following procedure when the engine is cold, or after it has been stopped for longer than 5 minutes, or after fuel has been added to the engine: 1. Slide the stop switch away from the "STOP" position (Fig. 5). 2. Gently push on the primer pump repeatedly (7 - 10 times) until fuel enters the primer pump (Fig. 6). 3. Close the choke lever fully by moving it to the Fig.
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CORRECT HANDLING OF THE MACHINE . Fig. 9 Fig. 10 Attachment, adjustment and detachment of the shoulder strap Attachment Place the strap hook into the hanger which is located on the shaft between the grip and the handle. Adjustment Adjust the strap length so that the nylon cutting head will be kept parallel to the ground (Fig. 9). Detachment (NORMAL) Remove the strap hook from the hanger Detachment (EMERGENCY) In an emergency, release the throttle lever, firmly pull the release belt up
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DAILY CHECK-UP AND MAINTENANCE r cleaner case cover cleaner cover I Sponge element Fig. 12 Fig. 13 0.6 mm - 0.7 mm (0.024" - 0.028") I Fig. 15 Fig. 14 1. Before operation, pay particular attention to the tightness of the nylon cutting head. Re-tighten the nylon cutting head if necessary (every 8 hours or daily). 2. Check for clogged cooling air passage and cylinder fins. Clean them if necessary (every 8 hours or daily). 3. Clean the air cleaner every 8 hours or daily, using the fo
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STORAGE When storing the machine for a long time, drain the fuel from the fuel tank and carburetor as foll,ows: 1. Drain all fuel from the fuel tank. Gently push on the primer pump repeatedly until all fuel is expelled out of the primer pump. Properly dispose of the fuel in accordance with all local laws. 2. Remove the spark plug and add a few drops of oil into the spark plug hole. Then, pull the starter gently to assure that an oil film coats the engine inside, then insert and tighten the
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INSTRUCTIONS FOR USE OF THE NYLON CUTTING HEAD (BUMP & FEED BF4) Safety Instructions 1. Read this section carefully and thoroughly before use. 2. 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. 19): Dents appear on the knob head. The housing (cover) is damaged or cracked. imit mark (notch) The "Limit marks (notches)" on the cover have disappeared. Fig. 19 3. Wear appropriate clot
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Replacing the nylon cord 1. Press the housing latches inward to lift off the cover; then remove the spool (Fig. 23). 2. Run the new nylon cord through the hole in the center of the spool, and pass one end of the cord through the notch into the other side of the spool. Allow one end of the cord to extend about 3" (80 mm) further than the other end (Fig. 24). 3. Wind both ends firmly around the spool in the direction of the head rotation (Fig. 25). 4. Wind all but about 4" (100 mm) to 6
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Emission Control Warranty Statement YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board and Makita U.S.A., Inc. are pleased to explain the emission control warranty on your 1995 and later utility and/or lawn and garden equipment engine. In California, new utility and lawn and garden equipment engines must be designed, built and equipped to meet the State's stringent anti-smog stan- dards. Makita U.S.A., Inc. must warrant the emission control system on your utility and/or
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LIMITED 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 ga'rden equipment engines that the engine (1) has been designed, built, and equipped at the time of manufacture so as to conform with the applicable regulations of the California Air Resources Board, and (2) is free from defects in materials and workmanship which may cause it to fail to con- form with t
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WHAT IS NOT COVERED UNDER THIS WARRANTY This warranty does not cover any emission-related part which malfunctions, fails, or is damaged due to alter- ations and/or modifications such as changing, adding, or removing parts. When an engine is being serviced under warranty, Makita U.S.A., Inc. and any of its authorized dealers, distribu- tors, or warranty stations shall not be liable for any loss of use of the engine, for any damage to goods, or loss of time or inconvenience. This limited war
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REPAIR AND REPLACEMENT OF EMISSION-RELATED PARTS It is recommended that only engine replacement parts which have been authorized and approved by Makita U.S.A., Inc. should be used in the performance of any warranty maintenance or repairs of emission-related parts. These replacement parts will be provided at no charge if the part is still under warranty. i HOW TO FILE A WARRANTY CLAIM AND WHERE TO GET WARRANTY SERVICES Contact the nearest Makita Factory Service Center Manager to determine
