Product Manual

7
Figure 9
Figure 10
Figure 11
Figure 12
6. To remove or replace the bypass poppet:
a. As above, push down on the poppet until the
O-ring is exposed.
b. Remove the O-ring with a small screwdriver or
similar tool. Take care not to damage the poppet
or O-ring. (Figure 8)
c. From inside the housing, use a small screwdriver
to push the poppet and spring through the top
outlet port. (Figure 9)
3. Inspect the wiring connections and cavity. (Figure 11)
NOTE: If permanent wiring is damaged or corroded,
the pump must be returned to the factory for wire
replacement.
4. Assemble again. Make sure the O-ring is in place
and the coverplate is tightened securely.
Replace Switch and Circuit Breaker
1. Turn pump off and disconnect from power.
2. Remove the switch coverplate from the pump housing.
(Figure 12)
3. Remove the torx head screw on the switch assembly,
then remove the switch.
4. Clip the black wires to the switch. Cut the wires close
to the wire nut, leaving the maximum possible length
to the pump.
5. Loosen the hex nut on the switch mounting plate and
remove the defective switch.
6. Strip approximately 1/4 inch (0.6 cm) insulation from
the black pump wires and connect to the replacement
switch wires. There are no polarity requirements.
Figure 8
O-ring Groove
➤
Poppet O-ring
➤
Spring
➤
d. Wipe the poppet and gear cavities with a clean
cloth.
e. Replace the poppet, O-ring and spring, as
necessary.
NOTE: Replace O-ring if damaged, swollen or loose-tting.
7. To assemble, place the spring and poppet into the
poppet cavity through the top outlet port. Compress
the poppet into the housing. Coat the O-ring lightly
with grease and slip over the poppet head. Make
sure the O-ring is well seated.
8. Push on the poppet through the top outlet port to
make sure it moves freely.
9. Install the pipe plug again, using sealant as necessary.
10. Replace the gears and drive key. Make sure gears
turn freely with the key removed.
11. Make sure the gear coverplate O-ring is in place.
Tighten the coverplate to the pump housing.
Service Motor Wiring
1. Turn the pump off and disconnect from power.
2. Remove the electrical coverplate from the pump
housing. (Figure 10) Evaluate condition of gasket.
Replace as needed.