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Page 7For technical questions, please call 1‑800‑444‑3353.SKU 68152
SPECIFICATIONS
Max. Air Pressure 90 PSI
Average Air
Consumption
4 CFM @ 90 PSI
Air Inlet 1/4” - 18 NPT
Speed Variable
Max. Rated Speed
10,000 OPM
(Oscillations per minute)
Arbor Size 3/8”
Backing Pad Size 6”
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 1-800-444-3353 as soon as
possible.
INITIAL TOOL SET UP
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.
Note: For additional information regarding the
parts listed in the following pages, refer
to the Assembly Diagram near the end of
this manual.
Unpacking
When unpacking, make sure the item is
intact and undamaged. If parts are missing
or broken, call Harbor Freight Tools at the
number shown throughout the manual as
soon as possible.
• This air tool may be shipped with a
protective plug covering the air inlet.
Remove this plug before set up.
Air Supply
TO PREVENT
EXPLOSION:
Use only clean, dry, regulated,
compressed air to power this
tool. Do not use oxygen, carbon
dioxide, combustible gases, or
any other bottled gas as a power
source for this tool.
1. Incorporate a lter, regulator, in-line
oiler, shut-off valve, and quick coupler
with pressure gauge, and lter for
best service, as shown in the diagram
above. An in‑line shutoff valve is an
important safety device to control air
ow because it controls air supply in
the event of an emergency or even if
the air hose is ruptured.
Note: If an automatic oiler system is not
used, add a few drops of Pneumatic
Tool Oil to the airline connection before
operation. Add a few more drops after
each hour of continual use.
2. Remove Air Inlet Plug (54) from Air Inlet
(20) of the tool. Attach an air hose to
the compressor’s air outlet. Connect the
air hose to the Air Inlet. A 1/4”-18 NPT