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Hersteller: Clarke Dateigröße: 822.51 kb Dateiname: Unterrichtssprache:

Pay particular attention to a steady, even pace. 3. EXCESSIVE LIGHT CUTS...may reveal high spots on the paper/contact wheel and cause chatter. Take a heavier cut and increase the pace. 4. DEBRIS...lodged between the paper and the drum will leave chatter. On a belt sander, debris may be adhered to the drum. Insure the drum is clean and free of debris before placing the paper on. 5. ABRASIVE QUALITY...may vary. Belt seams can be thicker on low quality paper and cause chatter. Use only Clarke specified sandpaper. Store abrasive according to manufacturers recommendation. PROPER CARE OF YOUR MACHINE CAN MINIMIZE CHATTER AND WAVES. 1. V-BELTS...can cause vibration and chatter if they are of low quality. Use only belts specified by Clarke. 2. TRUCK AND CASTER WHEELS...with flat spots, out-ofroundness, or debris adhered to their surface can cause “waves” or a “chatter effect”. Always clean and inspect all wheels before starting to sand, and before the finish cut. Replace or true the wheels if found to be out-ofround. Never allow the sander to stand on hard surfaces for lengthy periods of time. 3. DUST PICK-UP SHOES...may need adjusted differently for different materials that are to be sanded. An improperly adjusted shoe will leave trailing debris that will be run over by the wheels and cause “random waves”. 4. CONTACT WHEELS (DRUMS)...may be out-of-round and cause “chatter”. Contact your Clarke dealer for assistance to true or replace the drum. Figure 14 5. BEARINGS...in the motor, drum, or fan system may become worn and induce vibration which could cause “chatter”. 6. PULLEYS...that are damaged or severly worn can induce vibration and cause “chatter”. Contact your Clarke dealer for assistance. 7. SANDPAPER TENSION...should always be released when the machine is shut off for 10 minutes or longer to avoid compression of the drum. NOTE: Clarke is not responsibile for rework of floors that are unacceptable to the customer. It is your responsibility to insure your equipment is in proper operating order, and that you use the right machine for the job. -14- Clarke® American Sanders Operator's Manual (EN) - Floorcrafter ENGLISH EN DANGER: Electrocution could occur if maintenance and repairs are performed on a unit that is not properly disconnected from the power source. Disconnect the power supply before attempting any maintenance or service. DANGER: Moving parts of this machine can cause serious injury and/or damage. Keep hands, feet and loose clothing away from all moving parts of the sander. The following information provides details on how to adjust different features/controls of the sander. Dust Shoe To adjust the dust shoe follow this procedure: 1. Disconnect machine from power supply. 2. Loosen the three screws fastening the dust shoe to the chassis. 3. Adjust the dust shoe down to reduce clearance. 4. Adjust the dust shoe up to increase clearance. 5. Align the dust shoe to the chassis and tighten screws. (See figure 15) Sanding Pressure There are three pressure settings to select from: heavy, medium and light. The lower the position the heavier the setting. To change settings, raise the lever and place in desired position. (See figure 16) Leveling the Drum CAUTION: The belt tracking maybe adversely effected if machine is operated unleveled. The machine is leveled at the factory set and no adjustments should be necessary. After any maintenance is performed to the carriage system, the pointer on the leveling bracket must be returned to original mark (See figure 17). If it is necessary to reset level after replacing wheels follow this procedure: 1. Lower the contact wheel to the floor. Sander Adjustment Procedures Figure 15 Figure 16 Figure 17 Clarke® American Sanders Operator's Manual (EN) - Floorcrafter - 15 ENENGLISH Sander Adjustment Procedures ENENGLISH Sander Adjustment Procedures 2. Drive the adjusting screw in, to sand heavier on the left (the drive belt side). Back the adjusting screw out, to sand heavier on the right (the side opposite the drive belts). Test the setting on an even surface. Make further adjustments if necessary. 3. Mark new pointer location on main frame Belt Tracking NOTE: The sanding belt should run evenly on the face of the contact wheel. For this, the outer edge of the sanding belt must be .09 inches (2mm) out from the end of the contact wheel. This provides optimum transition between "passes". WARNING: Injury to the operator could occur if any machine adjustments are made while the motor is running. Do not attempt to make any adjustments while the machine is plugged in or running. To adjust the belt tracking follow this procedure: 1. Locate the belt tracking adjuster screw. (See figure 18A) 2. Hold the belt tracking adjuster screw and loosen the locknut. (See figure 18B). 3. Rotate the tracking adjuster screw counterclockwise to move the belt in. 4. Rotate the tracking adjuster screw clockwise to move the belt out. 5. Test adjustment and tighten the locknut. Operating Control To increas...

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