Product Manual

3. Remove the capscrews holding the lower motor
housing to the volute; lift off the lower motor housing.
4. Hold the rotor shaft assembly and unscrew the impeller
by turning it counter-clockwise. Remove impeller and
clean it.
If no more service is needed, reverse instructions above
to reassemble the pump. Reattach the motor lead wires
as shown in Figure 1, fill with clean dielectric oil (Part
No. U197-8A), check the oil level and replace fill plug.
Oil should cover the motor windings. Allow room for
expansion.
B. Shaft seal replacement:
1. Follow the instructions to remove the impeller, above.
2. Remove the stator capscrews and the spacers (if
applicable). Lift off the stator.
3. Remove the seal’s ceramic seat from the shaft and tap
the body of the seal out of the lower motor housing.
4. Clean the seal cavity thoroughly before installing the
new seal. NOTICE: Make sure that the seal faces are
clean; do not scratch or damage the new seal face
during seal replacement. Apply Permatex #2 or an
equivalent sparingly to the outside edge of seal body
before installing the seal in the lower motor housing.
5. Press the new seal body into position in the lower
housing cavity.
6. Press the ceramic seat onto the motor shaft. The
impeller will pull it into position.
7. Reassemble the stator and tighten the stator capscrews.
8. Reassemble the impeller and the pump (reverse
instructions 1 through 4 in section A).
9. Reattach the motor lead wires as shown in Figure 1.
10. Fill with clean dielectric oil (Part No. U197-8A), check
the oil level and replace the oil fill plug.
Short Divider
Either Black Wire
Either Black Wire
Green Wire
View A-A
(connected between
the two tallest
dividers)
409 0893
Figure 1
3
1. Attempting to lift or support pump by power cord
can damage cord and cord connections.
2. Cord may pull apart, exposing bare wires with
possibility of fire or electrical shock.
3. Lifting or supporting pump by power cord will
void warranty.
4. Use lifting ring or handle on top of pump for
all lifting/lowering of pump. Disconnect power
to pump before doing any work on pump or
attempting to remove pump from sump.
Risk of electrical shock.
Can burn or kill.
Do not lift pump by
power cord.
WARNING
CORD LIFT WARNING
410 0893
Pump Disassembly
Oil Fill
Plug
Housing
Capscrew
Rotor/Stator
Assembly
Stator
Capscrew
Lower
Motor
Housing
Volute
Shaft Seal,
Stationary
Head Ass'y
Shaft Seal,
Rotating
Mating Ring
O-Ring
Insulating
Disk
Blk
Blk
Grn
Impeller
Power Cord
Pump Disassembly
S40HT Series