Replacing The Functional Element; Disable The Pump; Replace The Functional Element - Red Jacket Quick-Set AGUMP33R1 Installation, Operation & Service Manual

4" Standard Pump Installation, Operation & Service Manual

Replacing the Functional Element

OFF DANGER! Always disconnect, lock out, and tag the power before starting to service the pump.
When servicing unit use non-sparking tools and use caution when removing or installing equipment to
avoid generating a spark.

Disable the Pump

1. If a ball valve is installed down line from the pump, close it.
2. Back out the electrical connector disconnect bolt (see Figure 32).
FUNCTIONAL
ELEMENT
fig26.eps
3. Swing the electrical connector aside.
4. To relieve the pressure, back out Functional Element screw (see Figure 24 on page 27), or remove the two
lock-down bolts and rock the pump to allow excess pressure to flow into the tank.

Replace the Functional Element

1. Disconnect the siphon tubing (if siphon is installed).
2. Remove the two 3/8 inch bolts.
3. Carefully lift the Functional Element and remove it from the packer. The old check valve and spring will be
resting inside the packer.
NOTE: The check valve and spring should be replaced if they are damaged or worn.
4. Be certain all mating surfaces are clean. Install new Functional Element o-rings, lubricated with petroleum jelly,
on Functional Element (see Figure 24 on page 27). Carefully set the new Functional Element in place, then,
replace the two 3/8 inch bolts and torque to 20 - 35 ft-lb (27 - 50 N•m).
5. Check the seating pressure of the adjustable Functional Element for proper setting.
6. If applicable, open ball valve down line from the pump.
3/8" BOLTS
Figure 32. Packer with Functional Element
35
Replacing the Functional Element
ELECTRICAL CONNECTOR
DISCONNECT BOLT
ELECTRICAL CONNECTOR