Harbor Freight Tools 68148 User Manual - Page 11

2. Remove the Rubber Cap (53) and then 6. WARNING! Verify all bolts and slide out the Carbon Brush Holder (51B). connectors are fastened tight. 3. Remove the Brush Cap (52) from the Carbon Brush Holder. Cleaning 4. Remove old Carbon Brush (51) from Carbon Brush Holder and insert new Carbon Brush into Carbon Brush Holder. 1. Clean the Demolition Hammer with warm water, soap a soft cloth, preferably after each use. 5. Replace Brush Cap and slide Carbon Brush Holder back into Housing. Replace Carbon Brush Cover. 2. WARNING! Do not use solvents when cleaning the Electric Hammer. Doing so can damaged the tool. Troubleshooting Problem Tool will not start. Possible Causes 1. Cord not connected. 2. No power at outlet. 3. Tool's thermal reset breaker tripped (if equipped). 4. Internal damage or wear. (Carbon brushes or switch, for example.) Tool operates slowly. Extension cord too long or wire size too small. Performance 1. Accessory dull or damaged. decreases over time. Excessive noise or rattling. Overheating. 2. Carbon brushes worn or damaged. Internal damage or wear. (Carbon brushes or bearings, for example.) 1. Forcing tool to work too fast. 2. Accessory misaligned. 3. Accessory dull or damaged. 4. Blocked motor housing vents. 5. Motor being strained by long or small diameter extension cord. Likely Solutions 1. Check that cord is plugged in. 2. Check power at outlet. If outlet is unpowered, turn off tool and check circuit breaker. If breaker is tripped, make sure circuit is right capacity for tool and circuit has no other loads. 3. Turn off tool and allow to cool. Press reset button on tool. 4. Have technician service tool. Eliminate use of extension cord. If an extension cord is needed, use shorter/heavier gauge cord. See Extension Cords in GROUNDING section. 1. Keep cutting accessories sharp. Replace as needed. 2. Have qualified technician replace brushes. Have technician service tool. 1. Allow tool to work at its own rate. 2. Check and correct accessory to fence and/or table alignment. 3. Keep cutting accessories sharp. Replace as needed. 4. Wear ANSI-approved safety goggles and NIOSH- approved dust mask/respirator while blowing dust out of motor using compressed air. 5. Eliminate use of extension cord. If an extension cord is needed, use one with the proper diameter for its length and load. See Extension Cords in GROUNDING section. Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service. SKU 68148 For technical questions, please call 1-800-444-3353. Page 11