MAINTENANCE
The pump and piping do not need to be disconnected to repair or
replace the motor or seal.
If motor is replaced, a new shaft seal must be installed. Keep an
extra shaft seal on hand for future needs.
Check motor label for lubrication instructions. The mechanical
shaft seal in the pump is water lubricated and self-adjusting.
PUMP DISASSEMBLY
Drain pump when disconnecting from service or when it might
freeze.
1.
Disconnect power to motor.
2.
Mark wires for correct assembly.
3.
Release all water pressure from system.
4.
Remove drain plug and drain pump.
5.
Remove cap screws holding seal plate to pump body. Motor
assembly and seal plate can now be pulled away from pump
body (Figure 11).
6.
CARE FULLY remove gasket.
FIGURE 11 – SLIDE MOTOR BACK
CLEANING/REPLACING IMPELLER
1.
Follow instructions under "Pump Dis assembly".
2.
Remove screws fastening the diffuser to the seal plate.
FIGURE 12 – REMOVE DIFFUSER
8
3.
Remove diffuser (Figure 12). The exposed impeller can now
be cleaned.
4.
If impeller must be replaced, loosen two machine screws
and remove motor canopy (Figure 13).
5.
To discharge capacitor, hold insulated handle screwdriver
BY THE HANDLE and short capacitor terminals together
(Figure 13). Do not touch metal screwdriver blade or
capacitor terminals. If in doubt, consult a qualified
electrician.
6.
Unscrew capacitor clamp and remove capacitor. Do not
disconnect capacitor wires to motor.
7.
Slide a 7/16" open-end wrench behind the spring-loaded
switch on the motor end of the shaft. Hold motor shaft with
wrench on shaft flats and unscrew impeller screw (if used)
by turning clockwise (left hand thread) when looking into
eye of impeller.
8.
Unscrew impeller while holding shaft by turning
counterclockwise while looking into eye of impeller.
9.
To reinstall, reverse steps 1 through 6 and follow directions
3027 0997
in the "Pump Reassembly" section below.
REMOVING OLD SEAL
1.
Follow instructions under "Pump Disassembly".
2.
Follow steps 2 through 5 under "Cleaning/Replacing
Impeller".
3028 0997
To avoid electrical
shock hazard, use
insulated-handle
screwdriver to short
capacitor terminals
as shown .
FIGURE 13 – HOLD SHAFT
CAPACITOR VOLTAGE MAY BE HAZARDOUS.
FIGURE 14 – REMOVE SEAL PLATE
3029 0997
P15006 (02-01-2023)