UMP Replacement Instructions
Replacing the UMP for the Standard STP
12
17. If applicable, open the ball valve down line from the pump.
Replacing the UMP for the Standard STP
Disconnect, lock out, and tag power at the panel before starting to
service the pump.
When servicing equipment, use non-sparking tools and use caution when removing or
installing equipment to avoid generating a spark.
Service Parts Required:
• 410109-001Discharge Head O-Ring Kit
• 072-718-1 Packer O-ring Seal - Or - 072-542-1 Packer O-ring Seal ‘AG’
• 072-240-5 Discharge Quad Seal - Or - 076-380-5 Discharge Quad Seal ‘AG’
1.
If a ball valve is installed down line from the pump, close it.
2.
Back out the electrical yoke disconnect bolt (see Figure 6).
Figure 6. Packer
3.
Swing the electrical connector aside.
4.
If a siphon system is in place, disconnect the siphon tubing. If ball valves are installed, close them.
5.
Remove the two lock-down bolts. To relieve pressure, rock the pump to allow excess pressure to flow into the
tank or back out Functional Element screw.
Confirm that the packer wiring compartment cover/plug (with lifting eyebolt) is
properly torqued at 50 ft-lbs (70 N•m). Confirm that the lifting eyebolt is properly
torqued to 10 ft-lbs (13.6 N•m) with a minimum of 6 full threads installed. Occasionally,
eyebolts are removed after pump installation and corrosion may occur in the threaded
areas of the wiring compartment cover/plug and the eyebolt. If corrosion has occurred,
the cover/plug and eyebolt should be replaced.
6.
Utilize the lifting eyebolt to lift out the extractable unit and place it on a clean surface.
Removal of the
extractable section of the pump must be conducted with caution.
Make certain that the extractable
portion remains centered within the riser pipe and that no portion of the extractable binds during the removal
process. If binding occurs during removal, stop and determine the cause of the binding and correct the
situation before proceeding with removal.
WARNING
OFF
Electric
a
l
Connector
Electric
a
l Connector
Di
s
connect Bolt
Lock Down Bolt
F
u
nction
a
l Element
S
crew (Under Hex
C
a
p)
Lock Down Bolt
053-3
WARNING