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manual abstract
If in doubt, use the next heavier gage. The smaller the gage number, the heavier the cord. Table 1: Minimum gage for cord Ampere Rating Volts Total length of cord in feet 120 V 25 ft. 50 ft. 100 ft. 150 ft. More Than Not More Than AWG 0 6 18 16 16 14 6 10 18 16 14 12 10 12 16 16 14 12 12 16 14 12 Not Recommended SPECIFIC SAFETY RULES USB040-4 DO NOT let comfort or familiarity with product (gained from repeated use) replace strict adherence to sander safety rules. If you use this tool unsafely or incorrectly, you can suffer serious personal injury. 1. Hold tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its own cord. Contact with a “live” wire will make exposed metal parts of the tool “live” and shock the operator. 2. Always use safety glasses or goggles. Ordinary eye or sun glasses are NOT safety glasses. 3. Hold the tool firmly. 4. Do not leave the tool running. Operate the tool only when hand-held. 5. This tool has not been waterproofed, so do not use water on the workpiece surface. 6. Ventilate your work area adequately when you perform sanding operations. 7. Use of this tool to sand some products, paints and wood could expose user to dust containing hazardous substances. Use appropriate respiratory protection. SAVE THESE INSTRUCTIONS SAVE THESE INSTRUCTIONS WARNING: MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury. FUNCTIONAL DESCRIPTION 003284 1 1. Switch ASSEMBLY 003306 1 2 1. Lever 2. Clamp CAUTION: • Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. Switch action CAUTION: • Before plugging in the tool, always check to see that the tool is switched off. • Switch can be locked in “ON” position for ease of operator comfort during extended use. Apply caution when locking tool in “ON” position and maintain firm grasp on tool. To start the tool, press the “ON ( I )” side of the switch. To stop the tool, press the “OFF (O)” side of the switch. CAUTION: • Always be sure that the tool is switched off and unplugged before carrying out any work on the tool. Installing or removing abrasive paper To install the abrasive paper, operate the clamp lever to open the paper clamp. Insert the paper end into the clamp. Center the paper and align the edges parallel to the pad, then lower the clamp lever to secure the paper. (Prebending paper makes attachment easier.) Repeat the same process for the other end of the base, maintaining the proper paper tension. After inserting the paper, make sure the teeth of the clamp hold it securely. Otherwise the paper will be loose and subject to slippage, resulting in uneven sanding operation. 1 2 3 1 2 3 Punch plate 2. Sandpaper 3. Bent sides 1 2 3 5 003316 Punch plate When using the dust bag, make holes in the abrasive paper using the punch plate as follows: 1. Set the tool upside down. 2. Place the punch plate over the abrasive paper so that the bent sides of the punch plate are flush with the paper edges. 3. Press the punch plate to make holes in the abrasive paper. CAUTION: • Be sure to remove the punch plate before operating the tool. 003320 Dust bag The use of the dust bag makes sanding operations clean and dust collection easy. To attach the dust bag, fit the bag’s entry port onto the dust spout on the tool. Make sure that the hole in the bag’s entry port is just over the pimple-like protrusion on the dust spout. 4 For the best results, empty the dust bag when it becomes 1. Dust bag 2. Hole 3. Protrusion 4. Dust spout 5. Entry port OPERATION approximately half full, tapping it lightly to remove as much dust as possible. 003335 Sanding operation CAUTION: • Never run the tool without the abrasive paper. You may seriously damage the pad. • Never force the tool. Excessive pressure may decrease the sanding efficiency, damage the abrasive paper or shorten tool life. Hold the tool firmly. Turn the tool on and wait until it attains full speed. Then gently place the tool on the workpiece surface. Keep the pad flush with the workpiece and apply slight pressure on the tool. MAINTENANCE MAINTENANCE CAUTION: • Always be sure that the tool is switched off and unplugged before attempting to perform inspection or maintenance. To maintain product SAFETY and RELIABILITY, repairs, carbon brush inspection and replacement, any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts. ACCESSORIES CAUTION: • These accessories or attachments are recommended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or attachment for its stated purpose. If you need any assistance for more details regarding these accessories, ask your local Makita service center. • Abrasive papers • Punch plate • Dust bag • Adaptor (for connec...