Makita Essential Guide to Nylon Cord Replacement for RBC2500 Trimmer
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NYLON CUTTING HEAD

The nylon cutting head is a dual string trimmer head capable of both automatic and bump & feed mechanisms.

The nylon cutting head will automatically feed out the proper length of nylon cord by the changes in centrifugal force caused by increasing or decreasing rpms. However, to cut soft grass more efficiently, bump the nylon cutting head against the ground to feed out extra cord as indicated under operation section.

Operation

–Increase the nylon cutting head speed to approx. 6,000 min-1.

Low speed (under 4,800 min-1) is not suitable, the nylon cord will not feed out properly at low speed.

–The most effective cutting area is shown by the shaded area.

If the nylon cord does not feed out automatically proceed as follows:

1.Release the throttle lever to run the engine idle and then squeeze the throttle lever fully. Repeat this procedure until the nylon cord feeds out to the proper length.

2.If the nylon cord is too short to feed out automatically with the above procedure, bump the knob of the nylon cutting head against the ground to feed out the nylon cord.

3.If the nylon cord does not feed out with procedure 2, rewind/replace the nylon cord by following the procedures described under “Replacing the nylon cord”.

Replacing the nylon cord

–First, stop the engine.

–Press on the housing latches inward to lift off the cover, then remove the spool.

–Hook the center of new nylon cord into the notch in the center of the spool, with one end of the cord extending about 80mm (3-1/8") more than the other. Then wind both ends firmly around the spool in the direction of the head rotation (left-hand direction indicated by LH and right-hand direction by RH on the side of the spool).

–Wind all but about 100mm (3-15/16") of the cords, leaving the ends tempo- rarily hooked through a notch on the side of the spool.

–Mount the spool in the housing so that the grooves and protrusions on the spool match up with those in the housing. Keep the side with letters on the spool visible on the top. Now, unhook the ends of the cord from their temporary position and feed the cords through the eyelets to come out of the housing.

Most effective cutting area

Idle speed

Full speed

Knob

Cover

 

Latches

Press

Press

 

Spool80mm(3-1/8”)

For left hand rotation

Spool

100mm(3-15/16”)

Notches

Eyelets

15

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Contents RBC2500RBC2510 Symbols EnglishSafety Instructions General InstructionsIntended use of the machine Personal protective equipmentRefuelling Maintenance instructions Method of operationKickback Kickback preventionWhen asking for help, please give the following information Never straighten or weld damaged cutting toolsFirst Aid PackagingTechnical Data RBC2500, RBC2510 RBC2500 RBC2510 ModelDesignation of Parts RBC2500 Handle Type RBC2510 Loop Handle TypeHow to mount the control cable Assembly of Engine and ShaftConnection of the switch cord For machines with U Handle models Mounting of HandleFor machines with Loop Handle models Mounting of Protector Mounting of Cutter Blade or Nylon Cutting Head With the hex wrench still in placeHandling fuel FUELS/REFUELLINGFuel and oil mixture Points in Operation and HOW to Stop Correct Handling of MachineAttachment of shoulder strap DetachmentResharpening the Cutting Tool StoppingOperation Replacing the nylon cordCleaning of air cleaner Daily checkup and maintenanceServicing Instructions Cleaning of muffler exhaust port Checking the spark plugSupply of grease to gear case Suction head in the fuel tankFault location Maintenance scheduleStorage
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RBC2500, RBC2510 specifications

The Makita RBC2510 and RBC2500 are robust string trimmers designed for landscapers and homeowners seeking reliable and efficient tools for garden maintenance. Both models embody Makita's commitment to quality, performance, and user-friendly features, making them popular choices in the outdoor power equipment market.

The RBC2510 features a powerful 25cc 2-stroke engine, delivering optimal cutting performance while maintaining a low weight for better maneuverability. Its lightweight design, weighing approximately 6.4 kg (14.1 lbs) without the cutting equipment, enhances user comfort during prolonged use. The RBC2500, with a similar engine configuration, boasts a 25.4cc power plant that provides ample torque, allowing it to tackle tougher grass and weeds with ease.

These trimmers come equipped with a semi-automatic dual-line cutting head. The tap-and-go system ensures that users can quickly advance the cutting line with a simple tap on the ground, minimizing downtime. The cutting width of both models is around 400mm (15.75 inches), allowing for efficient trimming of larger areas.

One of the standout features of the RBC2510 and RBC2500 is their Easy Start technology. This system reduces the effort required to start the engine, making it particularly attractive for users who may struggle with traditional pull starts. While the RBC2510 employs a spring-assisted starter, the RBC2500 is known for its easy-start mechanism that minimizes tedious starting procedures.

Both models feature an ergonomically designed handle that provides excellent control and comfort, reducing vibrations and allowing for extended use without causing excessive fatigue. Additionally, the adjustable harness available with these trimmers aids in weight distribution, making it easier to handle the equipment for extended periods.

Durability is another key characteristic of the Makita RBC2510 and RBC2500. Built from high-quality materials, these trimmers are designed to withstand harsh outdoor conditions, ensuring longevity and reliability for users. The gear case is constructed to be robust, and the overall design aims to protect the engine and components from damage during operation.

In conclusion, the Makita RBC2510 and RBC2500 string trimmers offer powerful performance, user-friendly features, and robust construction, appealing to both professional landscapers and homeowners. With their advanced technologies and ergonomic designs, these trimmers ensure efficient and comfortable operation, making them invaluable tools for maintaining outdoor spaces.
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