20
100
80
60
40
4
1
2
9A
10
11
13
6
3
5
7
8
9B
9C
12
11
13
14
14A
16A
14B
16
15
17
625 1293
Alignment mark
Hazardous voltage. Can shock, burn, or
cause death. Discon nect power to pump before servicing.
California Proposition 65 Warning
This product contains chemicals known to the
State of California to cause cancer or birth defects or other
reproductive harm.
NOTICE: Kit may contain extra parts not used on your pump.
IMPORTANT: Misalignment can occur. Before disassembly,
mark relative position of pump body components by drawing
or scribing a line from the motor flange to the pump base
(see drawing), then match back up when reassembling. This
will ease assembly and ensure proper alignment of water
passages, bolt holes, etc.
1. Disconnect electrical wiring to pressure switch (Key 2).
Refer to wiring diagram located on switch cover when
reconnecting.
2. Remove discharge pipe, then remove pump from well
adapter or piping.
3. Loosen nut on compression fitting (Key 6) and disconnect
pressure tube assembly (Key 3).
4. Remove cover from pressure switch (Key 2) and
disconnect wires from motor (Key 1). Refer to wiring
diagram located on switch cover when reconnecting.
Remove conduit nut holding switch to motor and remove
switch and tube assembly.
NOTICE: After completing Step 4, lay pump on its side for
disassembly.
5. Remove capscrews (Key 17) holding base (Key 16) to
pump adapter (Key 4). Tap base upward with mallet to
loosen, lift off exposing first stage impeller. Remove gasket
(Key 13).
6. Insert screwdriver blade into vane of impeller (Key 11) to
hold stationary and remove impeller nut (Key 15).
NOTICE: It may be additionally necessary to hold motor
shaft stationary using a vise grip placed on shaft through
opening in pump adapter (Key 4).
7. Using two screwdrivers on opposite sides, pry impeller
straight up from keyed shaft and remove.
8. Tap intermediate volute (Key 14) upward with mallet to
loosen, lift off. Remove gasket (Key 13).
NOTICE: It may be necessary to pry volute loose from
adapter.
9. Remove impeller spacer (Key 12).
10. Remove woodruff key (Key 8).
11. Repeat Step 7 for second impeller.
12. Remove seal spring holder (Key 10) and seal spring
(Key 9C).
13. Remove capscrews (Key 7) holding pump adapter (Key
4) to motor (Key 1). Work adapter loose from motor and
remove. Rotating part of mechanical seal (Key 9B) will
come off with it. Remove ceramic seat of seal (Key 9A)
from adapter.
NOTICE: Refer to special instructions for mechanical seal
replacement included with new seal.
14. Remove remaining woodruff key (Key 8).
Reassembly – Stand Pump on Motor End
Reassemble by reversing Steps 1 through 14.
NOTICE: Refer to special instructions for mechanical seal
replacement included with new seal.
Assembly Hints:
A. Install woodruff key (Key 8) that is located closest to motor
first, before installing pump adapter (Key 4). Squeeze
key into shaft keyway using a pair of pliers.
Do not tap in
using a mallet.
B. When installing adapter (Key 4) to motor (Key 1), make
sure pipe tapping for regulator (Key 5) is on same side as
pressure switch (Key 2).
C. When installing gaskets (Key 13) make sure water
passage holes line up properly.
D. Check alignment after each reassembly step by using long
capscrews (Key 17).
J63-19FP (Rev. 04/12/17)
For further operating, installation, or maintenance assistance:
1-800-365-6832
INSTALLATION INSTRUCTIONS
Jet Pump Overhaul Kit
for FP4432
Model FPP1657
1-800-365-6832
www.flotecwater.com
