JET Tools 608003 User Manual - Page 24

Troubleshooting Trouble Probable Cause Remedy No incoming power. Sander will not start. Check plug connection. Make sure fuse is not blown/circuit breaker is not tripped. Push the circuit breaker button on the sander motor to re-set. Switch is malfunctioning. Replace switch. Conveyor motor stalls. Excessive depth of cut. Reduce depth of cut; use coarser grit; reduce feed rate. Conveyor belt does not move. Shaft coupler is loose or unattached. Adjust shaft coupler. Conveyor rollers run intermittently. Shaft coupling is loose. Align the shaft flats of the gear motor and the drive roller and tighten the shaft-coupling setscrews. Abrasive strip comes off drum. Slack in abrasive strip on drum. Abrasive improperly wrapped. Remove slack in strip. Read the section on installing abrasives, pages 12-13. Abrasive strip is loose. Strip caught on inside edge of slot, or Re-adjust the strip end in the slot on inboard side of drum. and/or trim the abrasive edge. Strip not cut properly. Re-cut and re-install the abrasive strip. Excessive depth of cut. Reduce depth of cut. Abrasive loads up prematurely. Excessive feed rate. Inadequate dust collection. Reduce feed rate. Increase airflow at dust port. Inadequate abrasive. Use an open-coat abrasive. Line or groove in stock. Inconsistent feed rate. Do not stop or change the feed rate while feeding stock. Snipe marks. Improper tension on rollers. Re-tension rollers (see page 19). Abrasive strip is overlapped. Re-wrap abrasive strip (page 12-13). Abrasive is loaded. Clean abrasive. Sander burns wood. Depth of cut excessive for fine grit. Use coarser grit or reduce depth of cut. Feed rate too slow. Increase feed rate. Abrasive is worn. Replace abrasive. Conveyor belt slips on drive roller. Improper conveyor belt tension. Excessive depth of cut and/or feed rate. Adjust belt tension (page 16). Reduce depth of cut and/or feed rate. 24