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SKU 99780-81 For technical questions, please call 1-800-444-3353. Page 6
electrically malfunction or break
down, grounding provides a low
resistance path to carry electricity
away from the user, reducing the risk
of electric shock. (See 3-Prong Plug
and Outlet.)
The grounding prong in the plug is 2.
connected through the green wire in-
side the cord to the grounding system
in the tool. The green wire in the cord
must be the only wire connected to
the tool’s grounding system and must
never be attached to an electrically
“live” terminal. (See 3-Prong Plug
and Outlet.)
The tool must be plugged into an 3.
appropriate outlet, properly installed
and grounded in accordance with all
codes and ordinances. The plug and
outlet should look like those in the
preceding illustration. (See 3-Prong
Plug and Outlet.)
Symbology
Double Insulated
Canadian Standards Association
V~
Volts Alternating Current
A
Amperes
n
0
xxxx/min.
(RPM)
SPECIFICATIONS
Electrical Requirements 120 V~ / 60 Hz / 9.3 A
Air Hose Connection 1/4” 18 NPT
Maximum Air Pressure 155 PSI
Air Pressure Cut On 125 PSI
Air Tank Capacity
sku 99780: 17 Gallons
sku 99781: 26 Gallons
Air Flow Capacity
6 SCFM @ 40 PSI
4 SCFM @ 90 PSI
Motor 4 HP, 13000 RPM
233060
UNPACKING
When unpacking, make sure that the
item is intact and undamaged. If any parts
are missing or broken, please call Harbor
Freight Tools at the number shown on the
cover of this manual as soon as possible.
INSTRUCTIONS FOR
PUTTING INTO USE
Read the ENTIRE IMPORTANT
SAFETY INFORMATION
section at the beginning of this
manual including all text under
subheadings therein before set
up or use of this product.
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL
OPERATION:
Turn the Power Switch of the
tool to its “OFF” position and
unplug the tool from its
electrical outlet before
assembling or making any
adjustments to the tool.