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VOLTAGE WARNING
Before connecting the tool to a power source (receptacle, outlet, etc) be sure the voltage supplied is
about the same as that specified on the nameplate of the tool. If on says 120V and the other says 110V
then there will be no complications. Never try to plug a 110V tool into a 220V outlet, or the other way
around. The plug and outlet have completely different shapes. This is because a power source with a
voltage greater than that specified on the tool can result in a SERIOUS INJURY to the user -- as well
as damage to the tool. If in doubt, DO NOT PLUG IN THE TOOL. Using a power source with
voltage (110V) less than the nameplate rating (220V) is harmful to the motor.
EXTENSION CORDS
Your tool is double insulated and has a two-prong plug, you may use either a two - or three - prong
extension cord. Only use rounded jacket extension cords listed by the Underwriters Laboratories (UL).
Make sure the cord is rated for outdoor use if you plan on using the tool outside; if you plan on indoor
use, you may also use a outdoor rated cord. Extension cords rated for outdoor use have the letters
"WA" on the cord jacket.
The extension cord must have a minimum wire size depending on the amperage of the tool and the
length of the extension cord. This size is signified by its AWG (American Wire Gauge) rating; the
smaller the gauge, the greater the cable's capacity. If you are using two or more cords, the total length
of the combined cords must be used to determine the minimum AWG rating. Each of the cords used
must meet this rating.
Your tool as a 14 amp rating. For extension cord lengths up to 75 feet, you must use a cord with a
AWG rating of at least 14; for longer lengths, the AWG rating must be 12. Do not use more than 175
feet of extension cord.
Always inspect extension cords for any damage. If there are any loose, frayed or exposed wires,
damaged insulation, or defective connections, replace the cord.
Harbor Freight Tools can supply UL listed and outdoor rated cords in multiple AWG ratings if needed.
UNPACKING
Make sure your tool has come complete with all accessories. Your package should include the grinder,
reversible side handle, steel wheel guard, one wrench and a replacement set of carbon brushes. If a
piece is missing contact Harbor Freight Tools Customer Satisfaction at the number on the cover of this
manual.
OPERATIONS
Selecting Wheels:
1. Make sure the wheel you select is rated for at least 8000 RPM.
2. Use silicon carbide grinding wheels for concrete and stone.
3. Use aluminum oxide wheels for ferrous metals.
4
REV 02/04
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