Harbor Freight Tools CENTRAL MACHINERY 44505 - Manual (Page 14)

Page 14 For technical questions, please call 1-800-444-3353. Item 44505
Troubleshooting
Problem Possible Causes Likely Solutions
Tool will not start. 1. Cord not connected.
2. No power at outlet.
3. Internal damage or wear.
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. Have technician service tool.
Tool operates slowly. Extension cord too long or wire size
too small.
Eliminate use of extension cord. If an extension
cord is needed, use shorter/heavier gauge cord.
See Extension Cords in GROUNDING section.
Performance
decreases over time.
1. Accessory dull or damaged.
2. Carbon brushes worn or
damaged.
1. Keep cutting accessories sharp. Replace as
needed.
2. Have qualified technician replace brushes.
Excessive noise or
rattling.
1. Belt too loose (slipping) or too
tight (bearing damage).
2. Spindle dry
3. Loose spindle pulley
4. Loose motor pulley
5. Internal damage or wear.
1. Properly tension belt.
2. Lubricate spindle
3. Check pulley nut
4. Tighten Set screws
5. Have technician service tool.
Overheating. 1. Forcing machine 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.
1. Allow machine to work at its own rate.
2. Check and correct accessory to 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.
Drill bit burns or
smokes
1. Incorrect spindle speed
2. Dull drill bit
3. Drilling too slowly
4. Lacking lubrication 1. Change spindle speed
2. Replace with new bit
3. Drill faster
4. Lubricate cutting area
Drill bit wobbles 1. Bent bit
2. Worn Spindle Bearings
3. Drill bit not in Chuck correctly
4. Chuck not properly installed 1. Replace drill bit
2. Replace spindle bearings
3. Reinstall drill bit
4. Reinstall Chuck and Arbor assembly
Feed Wheel returns
slowly, or too fast
Tension Spring not in adjustment Adjust Tension Spring.
Drill bit binds 1. Workpiece pinching drill bit
2. Dull drill bit
3. Feed pressure too hard
4. Belts loose 1. Reposition workpiece, lubricate drill
2. Replace drill bit
3. Pull Feed Handle slowly.
4. Adjust motor and spindle belt tension
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.