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Page 4SKU 92427 For technical questions, please call 1-800-444-3353
21. This Impact Wrench should only be used with impact sockets and extensions.
Using any other accessories can cause the accessories to break, causing permanent
damage to the unit and severe injury to the operator.
Note: Performance of the compressor (if powered by line voltage) may vary depending
on variations in local line voltage. Extension cord usage may also affect tool perfor-
mance.
Warning: The warnings, cautions, and instructions discussed in this instruction manual
cannot cover all possible conditions and situations that may occur. It must be under-
stood by the operator that common sense and caution are factors which cannot be
built into this product, but must be supplied by the operator.
Unpacking
When unpacking, check to make sure the parts listed on page 8 are included. If any parts
are missing or broken, please call Harbor Freight Tools at the number on the cover of this
manual as soon as possible.
For best service you should incorporate an oiler, regulator, and inline filter, as shown in the
diagram above. Hoses, couplers, oilers, regulators, and filters are all available at Harbor
Freight Tools.
1. You will need to prepare a
1
/
2
” air connector (not included) to connect to the Air Inlet
(23) on the Impact Wrench. First, wrap the
1
/
2
” air connector with pipe thread seal tape
before threading it into the Air Inlet (23). Connect the
3
/
8
” ID air source hose to a quick
connect coupler, and then to the Impact Wrench.
Note: If you are not using an automatic oiler system, before operation, add a few
drops of Pneumatic Tool Oil to the airline connection. Add a few drops more after each
hour of continual use.
2. Set the air pressure on the regulator. Note: To achieve the maximum torque of 1450 Ft.
Lbs., set the air pressure at 120 PSI. Never exceed 120 PSI.
3. Check the air connection for leaks. Disconnect from the air source.
Impact
Wrench
Air Connection