Maintenance - Chicago Electric 69820 Owner's Manual & Safety Instructions

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 Trigger 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:
• loose hardware
• misalignment or binding of moving parts
• damaged cord/electrical wiring
• worn or torn sanding belt
• 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. Regularly check to see if any dust or foreign
matter has entered the tool's air vents near
the motor and around the trigger. Keep the
vents unclogged and clean at all times.
4. When a sanding belt tears or becomes
worn, it must be replaced:
a. Always turn the tool off and unplug
it before changing the belt.
b. Pull out the Belt Tension Release Lever and
push it forward until it locks into place.
c. Remove the old belt and replace with a
new 4" x 24" belt. Make sure the arrows
on the inside of the new sanding belt are
pointing in the direction of rotation as
indicated on the housing of the tool.
d. Push the Belt Tension Release Lever
back in to secure the belt in place.
e. Make sure the new belt is on-center before use.
Item 69820 For technical questions, please call 1-800-444-3353.
5. To replace a worn or broken Drive Belt:
a. Make sure the tool is turned off and
unplugged before changing the belt.
b. Remove the cover mounting screw
holding the Drive Belt Cover in place.
c. Remove the Drive Belt Cover.
d. Take out the worn or broken belt and
install a new belt by sliding it around
the Small and Large Belt Pulleys.
e. Replace the Drive Belt Cover and secure it
in place with the cover mounting screw.
6. cARBON BRUSH MAINTENANcE.
The Carbon Brushes may require maintenance
when the motor performance of the tool decreases
or stops working completely. Carbon brushes are
internal to the Motor Housing, and should only
be replaced by a qualified service technician.
a. To replace brushes, remove the Carbon
Brush Cover with a screwdriver. Then
remove Carbon Brush from Brush Holder.
b. Insert new Carbon Brush into Holder, replace
the Carbon Brush Cover and tighten with a
screwdriver. Make sure the carbon portions of
the Carbon Brushes contact the motor armature,
and that the springs face away from the motor.
c. When replacing Carbon Brushes both
brushes must be replaced. Repeat steps
"a" and "b" for the second brush.
Note: New carbon brushes tend to spark when first used
until they wear and conform to the motor's armature.
7. WARNING! If the supply cord of this
power tool is damaged, it must be replaced
only by a qualified service technician.
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