Central Pneumatic 94667 Operating Instructions Manual page 7

21 gallon cast iron vertical oil-lubricated air compressor
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8.
notE: With the Air Compressor turned on, the operation is automatic and under
the control of the automatic switches inside the box under the Power Switch (1A).
nEVEr open the power switch box or adjust the controls within.
To Adjust The Air Output To The Pneumatic Tool:
1.
notE: When adjusting the air pressure being forwarded to the pneumatic tool,
you will need to compare the pressure readings of both the Tank Pressure Gauge
(3A) and the Tool Pressure Gauge (4A). The reading on the Tank Pressure Gauge
dictates the maximum/minimum air pressure at which the Tool Pressure Gauge may
also be set.
2.
With the Air Compressor running, and the air hose and pneumatic tool hooked up
to the Air Compressor, pull up on the Tool Pressure Adjuster (2A). Turn the Tool
Pressure Adjuster clockwise to increase the air output to the tool, up to the working
air pressure (115 PSI) as indicated on the Tank Pressure Gauge (3A).
3.
Turn the Tool Pressure Adjuster (2A) counterclockwise to decrease the air output
to the tool, down to the minimum rated pressure (0 PSI) as indicated on the Tank
Pressure Gauge (3A).
To Use The Tank Pressure Relief Valve:
1.
The Tank Pressure Relief Valve Ring (5A) is used when decompression is needed
quickly and efficiently.
2.
To decompress the Air Tank (9A) pressure, rotate the "ON/OFF" Power Switch (1A)
up to the vertical position to turn off the Air Compressor.
3.
Pull out on the Tank Pressure Relief Valve Ring (5A) to immediately release air
pressure in the Air Tank (9A).
To Empty Air And Condensation From The Tank:
1.
The Water Drain Valve (10A) is located underneath the Air Tank (9A), and should
be used daily to release all trapped moisture through this valve. The Water Drain
Valve will also eliminate condensation that may cause Air Tank corrosion.
2.
WarnInG: do not open the Water drain Valve (10a) so that more than four
threads are showing.
3.
Rotate the "ON/OFF" Power Switch (1A) up to the vertical position to turn off the Air
Compressor. Then, unplug the Air Compressor's Power Cord from the electrical
outlet.
4.
Slowly and carefully unscrew (no more than four threads) the Water Drain Valve
(10A) until the compressed air and condensation begins to be released from the Air
Tank (9A). Allow sufficient time for all of the air and condensation to escape from
the Air Tank. Then, firmly retighten the Water Drain Valve.
SKU 94667
For technical questions, please call 1-800-444-3353.
PAGE 7

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