Makita 4100NHX1 Instruction Manual - Page 6

Installing or removing diamond wheel 1 2 1. Wrench 2. Socket wrench 3. Outer flange 4. Diamond wheel 007695 4 3 Hold the outer flange with the wrench and loosen the hex bolt clockwise with the socket wrench. Then remove the hex bolt, outer flange and diamond wheel. To install the wheel, follow the removal procedure in reverse. Always install the wheel so that the arrow on the wheel points in the same direction as the arrow on the blade case. BE SURE TO TIGHTEN THE HEX BOLT SECURELY. 1. Inner flange 2. Diamond wheel 3. Outer flange 4. Hex bolt 3 CAUTION: • Be sure to move the tool forward in a straight line and gently. Forcing and exerting excessive pressure or allowing the wheel to bend, pinch or twist in the cut can cause overheating of the motor and dangerous kickback of the tool. MAINTENANCE CAUTION: • Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance. After use Blow away dust from the inside of the tool by running the tool at an idle for a while. Brush off accumulation of dust on the base. Accumulation of dust in the motor or on the base may cause a malfunction of the tool. Replacing carbon brushes 1. Limit mark 1 4 2 007696 CAUTION: • Use only the Makita wrench to install or remove the wheel. OPERATION 1 001145 Remove and check the carbon brushes regularly. Replace when they wear down to the limit mark. Keep the carbon brushes clean and free to slip in the holders. Both carbon brushes should be replaced at the same time. Use only identical carbon brushes. Use a screwdriver to remove the brush holder caps. Take out the worn carbon brushes, insert the new ones and secure the brush holder caps. 1. Screwdriver 2. Brush holder cap 007694 Hold the tool firmly. Set the base plate on the workpiece to be cut without the wheel making any contact. Then turn the tool on and wait until the wheel attains full speed. Move the tool forward over the workpiece surface, keeping it flat and advancing smoothly until the cutting is completed. Keep your cutting line straight and your speed of advance uniform. 1 2 007697 To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts. 6