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21. This item creates powerful vibrations in both the workpiece and in the
operator's body. Prolonged use could lead to personal injury.
22. Only use the Concrete Vibrator to vibrate and smooth wet concrete. Do not use
it on hard surfaces or you will damage the unit or cause personal injury.
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 performance.
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.
When unpacking, check to make sure that the product is intact and undamaged. 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.
Concrete
Vibrator
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 an air connector (not included) to connect to the Air Inlet on
the Regulator (21), on the Concrete Vibrator. First, wrap the air connector with pipe
thread seal tape before threading it into the Air Inlet (see FIGURE 2 on page 5) on the
Regulator (21). Connect the air source hose to a quick connect coupler, and then to
the Concrete Vibrator. The air source hose must be a sufficient size to provide enough
air volume to operate this tool.
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 to 90 PSI. Do not exceed the recommended air
pressure of 90 PSI.
3.
Check the air connection for leaks. Disconnect from the air source.
SKU 92804
Connecting the Air Supply
For technical questions, please call 1-800-444-3353
Unpacking
Page 4
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