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INSTALLATION
3.5
Four-Function Valve Installation
1/4"
Through
1/4" Tubing
Bleed Nut
To Solution
Tank or Drum
To Pump Head
Four-Function Valve Tubing Connection
This return line tubing must be secured to ensure pumped solution will safely return to supply
tank.
3.6
FastPrime™
The FastPrime
mospheric pressure. When installing a pump equipped with a FastPrime
the 3/8" outer diameter clear vinyl tubing provided with the pump to the barbed nozzle.
Route the vinyl return line back to the solution tank. This tubing must not be submerged
in the solution.
12
Discharge
To install a 4-FV, the 4-FV Fitting and Coupling Nut should be
assembled with the appropriate cartridges into the discharge port
of the pump. Use a 13/16" or 20 mm socket to tighten fitting. Tight-
Four-Function
ening to 50 inch-pounds is recommended. Do not over tighten.
Valve Body
To assemble the Four-Function Valve Body, assemble the coupling
nut and the threads at the bottom of the body. Firmly hand tighten
the body in the desired orientation. Next, insert the ¼" tubing
through the Bleed Nut. Ensure that about ¼" (6 mm) of tubing is
4-FV Fitting
protruding through the tip of the Bleed Nut. Firmly hand tighten
the Bleed Nut in the hole on the side of the 4-FV. This tubing should
Coupling Nut
be routed back to the supply tank. To ensure proper function of the
priming function, the end of this tubing should not be submerged
in the solution..
Head is equipped with a valve that allows for opening the head to at-
™
FastPrime™ Head
FastPrime
Valve
TM
3/8" Clear Vinyl Tubing
Head connect
™
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