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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 Switch is in the OFF position
and Battery Pack is removed 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.
Problem
Tool will not start.
1. Battery Pack not connected.
2. Tool's thermal reset
3. Internal damage or wear. (Carbon
Tool operates slowly.
Excess pressure applied to workpiece.
Excessive noise
Internal damage or wear.
or rattling.
(bearings, for example.)
Overheating.
1. Forcing tool to work too fast.
2. Blocked motor housing vents.
Tool does not
1. Disc accessory may be loose on Spindle.
grind, sand or
brush effectively.
2. Disc accessory may be damaged,
Follow all safety precautions whenever diagnosing or servicing
the tool. Disconnect power supply before service.
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR
MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS
QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE
ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY
ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
Page 10
Troubleshooting
Possible Causes
breaker tripped (if equipped).
brushes or switch, for example.)
worn or wrong type for the material.
PLEASE READ THE FOLLOWING CAREFULLY
For technical questions, please call 1-888-866-5797.
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
• any other condition that may
affect its safe operation.
2. AFTER USE, wipe external surfaces
of the tool with clean cloth.
3. Periodically blow dust and grit out of the motor
vents using dry compressed air. Wear ANSI-
approved safety goggles and NIOSH-approved
breathing protection while doing this.
4. 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.
Likely Solutions
1. Check that Battery Pack is plugged in.
2. Turn off tool and allow to cool.
Press reset button on tool.
3. Have technician service tool.
Decrease pressure, allow tool to do the work.
Have technician service tool.
1. Allow tool to work at its own rate.
2. Wear ANSI-approved safety goggles and NIOSH-
approved dust mask/respirator while blowing
dust out of motor using compressed air.
1. Be sure disc accessory is of correct
dimension and Flange Arbor Nut is tight.
2. Check condition and type of disc accessory. Use
only proper type of disc accessory in good condition.
Item 56903
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