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Maintenance
I
Figure 19--Disconnect Power
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Figure 20--Slide Motor Back
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Figure 21--Remove Diffuser
Figure 22--Hold Shaft
_kWARNING
To avoid electrical
shock hazard, use
insulated-handle
screwdriver to short
capacitor terminals
as shown.
MAINTENANCE
Pump and piping need not be disconnected to repair
or replace motor or seal (see Figure 20). If motor is
replaced, replace the shaft seal (Key No. 7, Page 12).
Keep one on hand for future use.
Be sure to prime pump before starting.
NOTICE: Check motor label for lubrication instruc-
tions. The mechanical shaft seal in the pump is water
lubricated and self-adjusting.
NOTICE: Drain pump when disconnecting from ser-
vice or when it might freeze.
PUMP DISASSEMBLY
1. Disconnect power to motor.
NOTICE: Mark wires for correct assembly.
2. Remove clamp (see Figure 20).
3. Remove pump base mounting bolts. Motor
assembly and back half of pump can now be pulled
away from pump front half (Figure 20). CAREFULLY
remove O-ring.
CLEANING/REPLACING IMPELLER
NOTICE: First, follow instructions under "Pump
Disassembly".
1. Remove four screws fastening diffuser to seal plate;
remove diffuser (see Figure 21). Exposed impeller
can now be cleaned.
2. If impeller must be replaced, loosen two machine
screws and remove motor canopy (see Figure 22).
3. I_kWARNINGI Capacitor voltage may be hazardous.
To discharge capacitor, hold insulated handle
screwdriver BY THE HANDLE and short capacitor
terminals together (see Figure 22). Do not touch
metal screwdriver blade or capacitor terminals. If in
doubt, consult a qualified electrician.
4. Unscrew capacitor clamp and remove capacitor.
Do not disconnect capacitor wires to motor.
5. Slide 7/16" open end wrench in behind spring
loaded switch on motor end of shaft; hold motor
shaft with wrench on shaft flats and unscrew
impeller by turning counterclockwise when
looking into eye of impeller.
6. To reinstall, reverse steps 1 through 5.
7. See directions under "Pump Reassembly," Page
10.
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