Craftsman 21400 Owners Manual - Page 9

Problem The machine does not work when switched on. The saw blade does not move with the motor running. The saw blade does not cut in a straight line. The saw blade does not cut, or cuts very slowly. Sawdust builds up inside the machine, Sawdust inside the motor housing. The machine does not cut at 45 or 90 degrees. The saw blade can not be properly positioned on the wheels. Diagnosis 1. No power supply. 2. Defective switch. 3 Defective motor. 1. The blade tension knob has not been tightened. 2. The blade has come off one of the wheels. 3. The saw blade has broken. 4. The drive belt has snapped. 1. Rip fence for cutting not used. 2. Feed rate too fast. 3. The blade teeth are dull or damaged. 4, Blade guides not suitably adjusted. 1. The teeth are dull, caused by cutting hard material or long use. 2. The saw blade was fitted the wrong way on the bandsaw. This is normal This is normal 1. The table is not at right angles to the blade. 2. The saw blade is dull or too much pressure was put on the workpiece. 1. The wheels are not in alignment or defective bearing. 2. The blade tracking knob hasn't been properly adjusted. 3. Inferior saw blade. Remedy 1. Check the cable for breakage. 2. Replace the lock switch. 3. Defective motor. 1. Switch off the motor, tighten the blade tension knob. 2. Open the doors and check. 3. Replace the blade. 4. Replace the belt. 1. Use a rip fence. 2. Put light pressure on the workpiece. Make sure the saw blade does not bend, 3. Try a new saw blade. 4. Adjust the blade guides (see ADJUSTMENT instructions). 1. Replace the saw blade, use a 6 "EEl. saw blade for wood and soft material. Use a 14 T.P.L saw blade for harder materials. A 14 "EEl. saw blade always cuts slower due to the finer teeth and the slower cutting performance. 2. Fit the saw blade correctly. Clean the machine regularly. Open the doors and remove the sawdust with a vacuum cleaner. Clean the ventilating slots of the motor with a vacuum cleaner. From time to time remove the sawdust to prevent it from being drawn into the housing. 1. Adjust the table. 2. Replace the saw blade or put less pressure on the workpiece. 1. Replace bearing. 2. Adjust the blade tracking knob (See ADJUSTMENT instructions). 3. Replace the saw blade. W.b_rI,NING: This machine must be grounded. To avoid electrocution or fire, any repairs to electrical system should be done only by a Cdalified electrician, usin genuine replacement parts. SWITCH I MOTOR PLUG _L