Product manual
Page 10 For technical questions, please call 1-888-866-5797. Item 68012 
SAFETY OPERATION MAINTENANCESETUP
Maintenance and Servicing
  Procedures not specifically explained in this manual must 
be performed only by a qualified technician.
TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION: 
Make sure that the Power Switch is in the off-position and unplug the tool from 
its electrical outlet before performing any procedure in this section.
TO PREVENT SERIOUS INJURY FROM TOOL FAILURE: 
Do not use damaged equipment. If abnormal noise or vibration 
occurs, have the problem corrected before further use.
Cleaning, Maintenance, and Lubrication
1.  BEFORE EACH USE, inspect the general 
condition of the tool. Check for:
• leaking, swollen, or cracked battery pack, 
• loose hardware, 
• misalignment or binding of moving parts, 
• cracked or broken parts, and 
• any other condition that may 
affect its safe operation.
2.  AFTER USE, wipe external surfaces 
of the tool with clean cloth. 
3.  Disconnect battery pack and store battery pack, 
charger, and tool in dry, indoor area out of 
reach of children and away from metal objects 
(i.e., paperclips, coins) to prevent shorting.
4.  Dispose of Battery Pack properly. 
Do not short, incinerate or open Charger or 
Battery Pack. Keep Charger and Battery Pack dry.
Troubleshooting
Problem Possible Causes Likely Solutions
Tool will not start. 1.  Battery Pack not properly connected. 
2.  Battery Pack not properly charged. 
3.  Battery Pack burnt-out. 
4.  Internal damage or wear. 
(Carbon brushes or 
Power Switch, for example.)
1.  Remove Battery Pack, make sure there are no 
obstructions, reinsert the Battery Pack according 
to its shape (it should only fit one way), and press 
firmly until the Battery Pack locks in place.
2.  Make sure Charger is connected and operating properly. 
Give enough time for Battery Pack to recharge properly.
3.  Dispose of old Battery Pack properly or recycle. 
Replace Battery Pack.
4.  Have technician service tool.
Tool operates slowly. 1.  Forcing tool to work too fast.
2.  Battery Pack wearing out.
1.  Allow tool to work at its own rate.
2.  Dispose of old Battery Pack properly or recycle. 
Replace Battery Pack.
Performance 
decreases over time.
1.  Carbon brushes worn or damaged.
2.  Bit dull or damaged.
1.  Have qualified technician replace brushes. 
2.  Keep bits sharp. Replace as needed.
Excessive noise 
or rattling.
Internal damage or wear. (Carbon 
brushes or bearings, for example.)
Have technician service tool.
Overheating. 1.  Forcing tool to work too fast.
2.  Bit dull or damaged.
3.  Blocked motor housing vents. 
1.  Allow tool to work at its own rate.
2.  Keep bits sharp. Replace as needed.
3.  Wear ANSI-approved safety goggles and 
NIOSH-approved dust mask/respirator while 
blowing dust out of motor using compressed air.
  Follow all safety precautions whenever diagnosing or servicing the tool. 
Disconnect Battery Pack and Charger power supply before service.










