Stimmen - 3, Durchschnittliche Bewertung: 3.3
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Anleitung Zusammenfassung
1. Low voltage. 2. Open circuit in motor or loose connections. 1. Check power line for proper voltage. 2. Inspect all lead connections on motor for loose or open connections. Motor will not start; fuses or circuit breakers blow. 1. Short circuit in line cord or plug. 2. Short circuit in motor or loose connections. 3. Incorrect fuses or circuit breakers in power line. 1. Inspect cord or plug for damaged insulation and shorted wires. 2. Inspect all connections on motor for loose or shorted terminals or worn insulation. 3. Install correct fuses or circuit breakers. Motor overheats. 1. Motor overloaded. 2. Air circulation through the motor restricted. 1. Reduce load on motor. 2. Clean out motor to provide normal air circulation. Motor stalls (resulting in blown fuses or tripped circuit). 1. Short circuit in motor or loose connections. 2. Low voltage. 3. Incorrect fuses or circuit breakers in power line. 4. Motor overloaded. 1. Inspect connections on motor for loose or shorted terminals or worn insulation. 2 Correct the low voltage conditions. 3. Install correct fuses or circuit breakers. 4. Reduce load on motor. Machine slows when operating. 1. Feed rate too high. 2. Depth of cut too great. 1. Feed workpiece slower and watch load meter. 2. Reduce depth of cut and watch load meter. Loud, repetitious noise coming from machine 1. Pulley set screws or keys are missing or loose. 2. Motor fan is hitting the cover. 3. V-belt is defective. 1. Inspect keys and set screws. Replace or tighten if necessary. 2. Tighten fan or shim cover. 3. Replace V-belt. See Maintenance section. Machine is loud, overheats or bogs down in the cut. 1. Excessive depth of cut. 2. Dull sanding belt. 1. Decrease depth of cut. 2. Replace sanding belt. Edges of wood are rounded. 1. Excessive depth of cut. 1. Reduce depth of cut. Uneven thickness from left to right of board. 1. Feed table not parallel to sanding roller. 2. Feed belt is worn. 1. Adjust the table. 2. Replace feed belt. Workpiece slips on feed belt. 1. Pressure rollers set too high. 2. Dirty feed belt. 3. Feed belt is worn. 1. Lower pressure rollers. 2. Clean feed belt. 3. Replace feed belt. Straight strip of notches on workpiece. 1. Pressure rollers are dirty or damaged. 1. Clean or repair pressure rollers. Snake shaped marks on workpiece. 1. Sanding belt damaged or dirty. 1. Clean or replace sanding belt. For your safety, turn switch OFF and dis- connect the machine from power source before any troubleshooting. Please refer to the adjustment section to make correc- tions. -52-G9983 15" Open-End Wide-Belt Sander TROUBLESHOOTING SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION Lines across width of work- piece. 1. Sanding belt seam is open or damaged. 1. Repair or replace sanding belt. More material is removed from the end of workpiece than the length (snipe). 1. Workpiece is not supported as it comes out of sander. 2. Pressure rollers not set correctly. 1. Hold workpiece up with your hands as it comes out, or set up an out- feed table for your workpiece after it comes out. 2. Set pressure rollers as described in Section 8: Service Adjustments. Glossy spots or streaks on workpiece. 1. Worn sanding belt. 2. Rear pressure roller too low. 1. Replace sanding belt. 2. Raise rear pressure roller. (See warning in Pressure Roller section!) Sanding belt clogs quickly. 1. Sanding belt grit too small for particular job. 2. Excessive depth of cut. 3. Wood is too moist. 1. Replace with a coarser grit sanding belt. 2. Reduce depth of cut. 3. Allow wood to dry out. Sanding belt does not tension correctly; rollers slip under belt. 1. Low air pressure. 2. Air leaks in system. 1. Adjust air pressure to 75 PSI at primary regulator. 2. Inspect all hoses and connections for leaking air; use water on suspected area to detect bubbles. Sanding belt runs off to one side, stopping the sander. 1. Air eye fork clogged. 2. Oscillation return valve closed. 3. Oscillation timing incorrect. 1. Clean the intake hole on the air eye fork. 2. Open valve. 3. Adjust oscillation timing. Sanding belt will not start. 1. Sanding belt is not tensioned. 2. Limit switches engaged. 3. Emergency stop plate engaged. 1. Tension sanding belt. 2. Center sanding belt so it is not touching the limit switches. 3. Make sure emergency stop switch is released. Poor, non-aggressive sanding results. 1. Platen adjusted incorrectly, above bottom surface level of lower sanding rollers. 2. Sanding belt loaded with sawdust. 3. Sanding belt worn out. 1. Adjust platen on the same plane as, or lower than, bottom surface level of lower rollers. 2. Clean sanding belt to unload sawdust. 3. Replace sanding belt with a new one. Conveyor belt not tracking in center. 1. Conveyor rollers moved out of adjustment. 1. Re-adjust conveyor rollers. Conveyor belt slipping. 1. Conveyor rollers have incorrect tension. 2. Conveyor rollers contaminated with dirt or dust. 1. Adjust conveyor rollers to increase tension. 2. Clean conveyor rollers. Emergency brake stops slow. 1. ...