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Provides A-weighted noise level and uncertainty values according to EN62841.
Lists vibration total values for different models as per EN62841 standard.
Guidelines for maintaining a clean, well-lit workspace and preventing distractions.
Precautions regarding plugs, grounding, cords, and water exposure.
Advice on staying alert, using PPE, proper dress, and avoiding entanglement.
Provides A-weighted noise level and uncertainty values according to EN62841.
Lists vibration total values for different models as per EN62841 standard.
Guidelines for maintaining a clean, well-lit workspace and preventing distractions.
Precautions regarding plugs, grounding, cords, and water exposure.
Advice on staying alert, using PPE, proper dress, and avoiding entanglement.
This document is an instruction manual for the Makita Finishing Sander, models BO4900V, BO4900, and BO4901. It provides essential information for safe and effective operation, including specifications, safety warnings, functional descriptions, assembly instructions, usage guidelines, and maintenance advice.
The Makita Finishing Sander is designed for sanding large surfaces of wood, plastic, and metal materials, as well as painted surfaces. It operates by rapidly oscillating an abrasive pad, which is covered with abrasive paper, to smooth surfaces. The BO4900V model features a speed adjusting dial, allowing for variable orbits per minute, while the BO4900 and BO4901 models operate at a fixed speed. The tool is double-insulated, ensuring electrical safety without the need for an earth wire. It can be used with different types of abrasive paper, including conventional types with or without pre-punched holes, and hook-and-loop types with pre-punched holes. For dust management, the sander can be equipped with a paper dust bag or connected to a vacuum cleaner.
Model: BO4900V, BO4900, BO4901 Pad size: 115 mm x 229 mm Abrasive paper size: 115 mm x 280 mm Orbits per minute (min⁻¹):
Switch Action: The tool is started by pulling the switch trigger. For continuous operation, the switch trigger can be pulled and then locked in place with the lock button. To stop from the locked position, the trigger is pulled fully and then released. Speed Adjusting Dial (BO4900V only): This dial allows for infinite adjustment of the tool speed between 4,000 and 10,000 orbits per minute, marked 1 to 5. Higher speeds are achieved by turning the dial towards 5, and lower speeds towards 1. Continuous operation at low speeds may overload and heat up the motor. Abrasive Paper Installation:
General Maintenance: Before any inspection or maintenance, the tool must be switched off and unplugged. Solvents like gasoline, benzine, thinner, or alcohol should never be used, as they can cause discoloration, deformation, or cracks. Product Safety and Reliability: Repairs, carbon brush inspection and replacement, and any other maintenance or adjustments should be performed by Makita Authorized Service Centers using genuine Makita replacement parts. Accessory Maintenance: Instructions for lubricating and changing accessories should be followed. Dust Bag Emptying: The dust bag should be emptied when about half full. To remove, hold the tool and press the push button on the dust nozzle. After emptying, the hook on the dust nozzle is inserted into the rectangular hole on the dust bag frame until it clicks into place. Pad Inspection: Before use, ensure there are no cracks or breakages on the pad to prevent personal injury.
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