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Istruzioni per l'uso Northern Industrial Tools, Modello 9524NB

Produttore : Northern Industrial Tools
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1 2 3 9523NBH 1 2 3 9523NBH Wheel guard 2. Bearing box 3. Screw 001060 Installing or removing wheel guard CAUTION: • When using a depressed center grinding wheel/Multidisc, flex wheel, wire wheel brush or cut-off wheel, the wheel guard must be fitted on the tool so that the closed side of the guard always points toward the operator. Mount the wheel guard with the protrusion on the wheel guard band aligned with the notch on the bearing box. Then rotate the wheel guard around 180 degrees. Be sure to tighten the screw securely. 001062 To remove wheel guard, follow the installation procedure in reverse. 1 2 3 9524NB, 9525NB 1. Wheel guard 2. Bearing box 3. Screw 1 3 2 1. Lock nut 2. Depressed center grinding wheel/ Multi-disc 3. Inner flange 001070 Installing or removing depressed center grinding wheel/Multi-disc WARNING: • Always use supplied guard when depressed center grinding wheel/Multi-disc is on tool. Wheel can shatter during use and guard helps to reduce chances of personal injury. Mount the inner flange onto the spindle. Fit the wheel/disc on the inner flange and screw the lock nut onto the spindle. 001082 To tighten the lock nut, press the shaft lock firmly so that the spindle cannot revolve, then use the lock nut wrench and securely tighten clockwise. To remove the wheel, follow the installation procedure in reverse. 1 2 1. Lock nut wrench 2. Shaft lock 1 2 3 4 1 2 3 4 Lock nut 2. Flex wheel 3. Plastic pad 4. Inner flange 1 3 2 1. Lock nut 2. Abrasive disc 3. Rubber pad OPERATION 001094 Installing or removing flex wheel (optional accessory) WARNING: • Always use supplied guard when flex wheel is on tool. Wheel can shatter during use and guard helps to reduce chances of personal injury. Follow instructions for depressed center grinding wheel/ Multi-disc but also use plastic pad over wheel. See order of assembly on accessories page in this manual. 001105 Installing or removing abrasive disc (optional accessory) NOTE: • Use sander accessories specified in this manual. These must be purchased separately. Mount the rubber pad onto the spindle. Fit the disc on the rubber pad and screw the lock nut onto the spindle. To tighten the lock nut, press the shaft lock firmly so that the spindle cannot revolve, then use the lock nut wrench and securely tighten clockwise. To remove the disc, follow the installation procedure in reverse. WARNING: • It should never be necessary to force the tool. The weight of the tool applies adequate pressure. Forcing and excessive pressure could cause dangerous wheel breakage. • ALWAYS replace wheel if tool is dropped while grinding. • NEVER bang or hit grinding disc or wheel onto work. • Avoid bouncing and snagging the wheel, especially when working corners, sharp edges etc. This can cause loss of control and kickback. • NEVER use tool with wood cutting blades and other sawblades. Such blades when used on a grinder frequently kick and cause loss of control leading to personal injury. 9 CAUTION: • After operation, always switch off the tool and wait until the wheel has come to a complete stop before putting the tool down. Grinding and sanding operation ALWAYS hold the tool firmly with one hand on housing and the other on the side handle. Turn the tool on and then apply the wheel or disc to the workpiece. In general, keep the edge of the wheel or disc at an angle of about 15 degrees to the workpiece surface. During the break-in period with a new wheel, do not work the grinder in the B direction or it will cut into the workpiece. Once the edge of the wheel has been rounded off by use, the wheel may be worked in both A and B direction. Operation with wire cup brush (optional accessory) CAUTION: • Check operation of brush by running tool with no load, insuring that no one is in front of or in line with brush. • Do not use brush that is damaged, or which is out of balance. Use of damaged brush could increase potential for injury from contact with broken brush wires. Unplug tool and place it upside down allowing easy access to spindle. Remove any accessories on spindle. Thread wire cup brush onto spindle and tighten with supplied wrench. When using brush, avoid applying too much pressure which causes over bending of wires, leading to premature breakage. Operation with wire wheel brush (optional accessory) CAUTION: • Check operation of wire wheel brush by running tool with no load, insuring that no one is in front of or in line with the wire wheel brush. • Do not use wire wheel brush that is damaged, or which is out of balance. Use of damaged wire wheel brush could increase potential for injury from contact with broken wires. A B 15° 001120 1. Wire cup brush 1 001134 1. Wire wheel brush 1 001227 001619 1 3 2 4 001619 1 3 2 4 1. Lock nut 2. Abrasive cut-off wheel 3. Inner flange 4. Wheel guard for cut-off wheel MAINTENANCE 001159 2 1 1. Exhaust vent 2. Inhalation vent • ALWAYS use guard with wire wheel brushes, assuring diameter of wheel fits inside guard. Wheel can shatter during use and ...