Craftsman 21154 Owners Manual - Page 16

Turn the power switch "OFF" and unplug the power cord from its power source prior to any maintenance. LUBRICATION The Bench Grinder has sealed lubricated bearings in the motor housing that do not require any additional lubrication from the operator. CLEANING With the Bench Grinder unplugged, rotate the abrasive wheels slowly and inspect for any damage or trapped shavings. CAUTION: REPLACE the abrasive wheels if there is any damage at all. FAILURE to replace a damaged wheel can cause serious injury to the operator. CAUTION: DO NOT USE FLAMMABLE MATERIALS to clean the Bench Grinder. A clean dry rag or brush is all that is needed to remove dust and debris buildup. Repairs to the Bench Grinder should be performed by trained personnel only. Contact your nearest Sears Service Center for authorized service. Unauthorized repairs or replacement with non-factory parts could cause serious injury to the operator and damage to the Bench Grinder. TO PREVENT INJURY TO YOURSELF or damage to the Bench Grinder, turn the switch to the "OFF" position and unplug the power cord from the electrical receptacle before making any adjustments. For technical support - please call 1-855-758-0015 Monday - Friday 7:00am to 5:00pm CST PROBLEM Motor does not run LIKELY CAUSE(S) 1. Machine not plugged in 2. Power switch in "OFF" position I 3. Power cord is faulty i 4. Fuse or circuit breaker are open 5. Damaged motor 6. Fuse on circuit board blown SOLUTION 1. Plug power cord into electrical receptacle 2. Lift switch to "ON" position 3. Return to Sears Service Center 4. Overloaded electrical circuit 5. Return to Sears Service Center 6. Replace fuse Motor does not have full power 1. Incorrect line voltage i2. Damaged motor 1. Have a qualified electrician check line for proper voltage 2. Return to Sears Service Center Motor runs hot 1, Motor is overloaded 12. Poor air circulation around motor 1. Reduce pressure on workpiece 2. Remove any blockage around motor Motor stalls or runs slow 1. Motor is overloaded i 2. Incorrect line voltage 3. Capacitor has failed 1. Reduce pressure on workpiece 2. Have a qualified electrician check line for proper voltage 3. Return to Sears Service Center Fuse blows or circuit breaker trips 1. Motor overloaded 12. Overloaded electrical circuit i 3. Wrong fuse or circuit breaker 4. Undersized or excessive length of extension cord, see manual i 5. Grinding wheels are blocked 1. Reduce pressure on workpiece 2. Reduce the amount of items on circuit 3. Replace with correct fuse or circuit breaker 4. Use correct size 5. Unplug machine and remove obstruction 16