WARNING
!
Before attempting any installation of agitators onto
pressure feed tanks, the tanks must be relieved of
pressure as high pressure can cause a serious injury.
Pressure is maintained in a pressure tank after the
system has been shut down. Before attempting
removal of cover, fill cap, or center plug, pressure
must be relieved using the steps on page 3.
!
CAUTION
Failure to properly lubricate the air motor will result in
premature motor failure and will void the warranty. See
lubrication instructions on page 3.
Using a 9/16 wrench, loosen the lower cap screw (2).
Install drive unit over the bearing assembly. Make sure that the
square drive of the shaft engages the drive socket of the
gearbox. Rotate the unit as necessary to align the shaft and
the socket.
1. Lubricate air motor. Follow the lubrication instructions on
page 3.
2. Open the valve to the main air line and slowly open the air
adjusting valve (7) until the agitator turns.
77-2990-R3.2 (5/2017)
INSTALLATION—DRIVE UNIT QS-5012-1
OPERATION
5 / 12
Rotate the drive unit to the desired position. Then tighten the
cap screws (2) Use 9/16 wrench.
After the drive unit is positioned connect the air hose (8) from
the regulator to the air motor as shown.
Typical 5/10/15 Gallon ASME Tank Configuration
Typical 2 Gallon ASME Tank Configuration
3. Adjust speed of the agitator with the air adjustment valve
(7). Do not run at excessive speeds. Typical speeds are 50
to 70 RPM.
EN
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