Pump Disassembly; Tools Required - Flotec FP5712 Manual Del Usuario

Maintenance

Pump Disassembly

Risk of electric shock . Can shock, burn or
kill. Disconnect power to pump before servicing.

Tools required:

1. 7/16" open end wrench (2 required).
2. Flat blade screwdriver with insulated handle.
3. Work bench with vise recommended.
4. Pliers or similar tool.
5. Pipe wrench.
Impeller Stack Replacement
Remove pump from service and mount vertically in vise
(if available), motor side down. See Figure 8. Clamp
motor at center. It may be desirable to wrap motor with a
shop rag to protect outside surface.
Proceed as follows:
1. Attach pipe wrench to flats on discharge connection
and turn clockwise to remove (left hand threads).
2. Remove screws holding motor canopy and remove
canopy. Pull canopy straight off as shown.
1 Discharge
Connection
See View A-A
3
2
Figure 8 – Impeller stack replacement.
For parts or assistance, call Flotec Customer Service at
Remove with
clockwise
rotation.
Torque discharge
connection to 80 - 100 ft-lbs
at reassembly
7/16" Open
End Wrench
Overload Protector
(Moved for access)
Capacitor
Disconnect from
power source.
A
Motor Canopy
Risk of electric shock . Can shock, burn or
kill. Capacitor voltage may be hazardous. To discharge
capacitor, hold insulated handle screwdriver by the
handle and short capacitor terminals together. Do not
touch metal screwdriver blade or capacitor terminals.
3. Unscrew overload and set it asize. Do not
disconnect wires. Slide 7/16" open end wrench in
behind spring loaded centrifugal switch as shown.
Place on motor shaft flats to hold shaft stationary.
4. With one 7/16" wrench in place on motor shaft,
place second wrench on shaft hex at pump end and
unscrew impeller stack by turning counter-clockwise.
5. Once loose from motor shaft, hold shaft by snap ring
using a pliers or similar tool, and pull stack from
shell. You may have to apply a back and forth motion
to break stack loose from shell.
To assemble with replacement impeller stack, keep
pump in the vertical position, motor down, and reverse
instructions 1 through 5.
Assembly hints:
A. Apply a soapy water solution to suction and dischage
O-rings to ease seating of shell.
B. Make sure mechanical shaft seal spring is in proper
position on motor shaft.
Remove with
4
Counter-clockwise
rotation.
3
Overload screw
(remove)
Centrifugal
Switch
View A-A
Motor end view with
canopy removed
800-365-6832
8
Snap
5
Ring
Impeller
Stack
1211 0605