Veeder-Root Red Jacket Quick-Set Installation, Operation And Service page 39

4" Standard Pump Installation, Operation & Service Manual
Before replacing the extractable portion, make sure that the packer o-ring and discharge o-
ring seal surfaces are clean. New o-rings should be installed, lubricate with petroleum jelly.
Replacing the UMP
When servicing unit use non-sparking tools and use caution when removing or installing
equipment to avoid generating a spark.
1. Remove the extractable portion of the old pump from the tank as described in Removing the Pump.
2. Remove the old UMP by removing the four bolts holding the discharge head as shown in Figure 29.
3. Rock the unit while pulling away from the discharge head until it is free.
4. Replace the old gasket with a new one provided. Place the new gasket on the new UMP so that all the holes
align (see Figure 30).
Gaskets from competitive UMPs will not seal properly and performance will be
reduced.
5. Visually inspect the pigtail connector in the discharge head - replace if damaged. Be certain the indexing tab
of the pigtail is seated in the notch of the discharge head.
Disconnect, lock out, and tag power at the panel before servicing the
pump.
Figure 29. Removing The UMP
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Replacing the UMP