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H3117 Mini Grinder
-6-
Gasoline or petroleum products used
to clean the tool could explode caus-
ing serious personal injury. DO NOT
use gasoline or petroleum products
to clean the tool.
Unplug the grinder from the power
source before performing any mainte-
nance!
Carbon Brushes
The Model H3117 has a brush-type electric
motor. Periodically remove and inspect the
2 carbon brushes under the Brush Covers.
New brushes have a grey-copper color. If
the brushes are pitted, cracked, or are
black colored, replace them.
Cleaning The Grinder
While wearing safety glasses, periodically
clean the grinder with compressed air. DO
NOT use flammable products to clean the
grinder.
Repairs
The Model H3117 is an insulated and UL
®
listed tool which should only be repaired by
a qualified technician. DO NOT attempt to
open the tool housing or perform any elec-
trical repair. Contact or Customer Service
Department if the tool stops working or
malfunctions.
MAINTENANCE