Cleaning, Maintenance, And Lubrication; Carbon Brush; Accessory Storage And Handling - Chicago Electric 91222 User Manual

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:
Turn the Power Switch of the tool off and unplug the
tool from its electrical outlet before performing any
inspection, maintenance, or cleaning procedures.
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 screws, misalignment
or binding of moving parts, cracked or broken
parts, damaged electrical wiring, and 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. WARNING! If the supply cord of this
power tool is damaged, it must be replaced
only by a qualified service technician.

Carbon Brush

Replace the carbon brush when it wears down
to about 3/16" (5 mm) or sparking will occur. To
change the CARBON BRUSH (22) do the following:
Housing (18)
Figure 6 — Replacing the Carbon Brushes
1. Using a flat tip screw driver, unscrew the
BRUSH CAP (23) on the HOUSING (18).
SKU 91222
Carbon Brush
(22)
(#22)
Brush Cap
(23)
For technical questions, please call 1-800-444-3353.
2. Replace the CARBON BRUSH with identical
replacement parts from Harbor Freight Tools.
3. Replace the BRUSH CAP on the
HOUSING and screw-in to tighten.

Accessory Storage and Handling

1. Handle accessories carefully to prevent
dropping or bumping. Do not use wheels
that have been dropped or bumped.
2. Store accessories in shelves, racks, boxes,
or drawers. Storage area must be kept dry,
and above freezing. Any grinding wheels exposed to
humidity or freezing temperatures must not be used.
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