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Operation
Fig. 4
E
12
L
1
13
F
9
KGJ
Mixing by Circulation (Fig. 4)
1. Close the Evenflo bypass valve (K) by turning the
valve handle clockwise.
2. Turn both air regulator handles counterclockwise
to the free position.
3. Disconnect the gun air atomizing hose (13*) from
the left air regulator.
4. Open the Relax-A-Valve handle (J) fully counter-
clockwise.
5. Open the bleed-type master air valve (A).
6. Turn the left regulator handle clockwise until air
bleeds slightly through the open union (F).
7. Turn the right regulator handle clockwise to start
the pump. Increase the air pressure until the pump
circulates fluid through the Relax-A-Valve return
(drain back) tube at the desired rate.
8. After mixing, turn both regulator handles counter-
clockwise to the free position, connect the air
atomization hose (13*) to the left regulator, and set
the pump Relax-A-Valve in the automatic position.
Pump Operation (Fig. 4)
NOTE: Fluid can be mixed by circulating it before
spraying. See Mixing by Circulation.
1. Engage the gun trigger safety. Remove the gun air
cap; this prevents fluid from being forced back into
the gun’s air passages.
2. Turn the Evenflo bypass valve (K) fully in to close
it.
3. Set both regulators in the free position by turning
the handles fully counterclockwise.
4. Set the Relax-A-Valve (G) to automatic.
5. Open the Evenflo ball valve (L) (handle parallel to
body), and the bleed-type master air valve (A).
6. Set the atomizing air pressure to the gun at 40 psi
(2.8 bar) by turning the left regulator handle clock-
wise.
7. Direct the gun back into the drum. Release the
trigger safety and trigger the gun. Set the right air
regulator to 30 psi (2.1 bar). The pump will oper-
ate, filling the hose and gun.
8. Adjust the right regulator to the lowest pressure
necessary for the desired delivery rate; this varies
according to the fluid being pumped and other
system characteristics.
9. Release the gun trigger, engage the trigger safety,
and install the air cap.
10. Release the trigger safety and trigger the gun.
Adjust the left regulator until the fluid is properly
atomized. To minimize overspray, use the lowest
pressure necessary for good atomization.
11. Adjust the Evenflo bypass valve (K).
a. Be sure the Relax-A-Valve (G) is set in the
automatic position.
b. Be sure regulated air pressure is being sup-
plied to the gun and pump.
c. Open the bypass valve (K) four full turns
counterclockwise from the closed position.
d. Trigger the gun, directing the spray into the
drum. If the pump does not operate, release
the trigger and close the bypass valve 1/4 turn
clockwise.
e. Trigger the gun again. Repeat step d until the
pump starts when the gun is triggered.