Maintenance; Pump Disassembly - Flotec FP5200 Serie Manual Del Usuario

Maintenance

ON
OFF
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Figure 16 – Disconnect Power
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Figure 17 – Slide Motor Back
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Figure 18 – Remove Diffuser
Figure 19 – Hold Shaft
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MAINTENANCE
Pump and piping need not be disconnected to repair or replace motor or
seal. If motor is replaced, replace the shaft seal (Key No. 7, Page 14). Keep
one on hand for future use.
Be sure to prime pump before starting.
NOTICE: Check motor label for lubrication instructions. The mechanical
shaft seal in the pump is water lubricated and self-adjusting.
NOTICE: Drain pump when disconnecting from service or when it might
freeze.

PUMP DISASSEMBLY

Step 1. Disconnect power to motor (Figure 16).
NOTICE: Mark wires for correct assembly.
Step 2. Release all water pressure from system.
Step 3. Remove drain plug and drain pump.
Step 4. Remove capscrews holding seal plate to pump body. Motor assem-
bly and seal plate can now be pulled away from pump body
(Figure 17). CAREFULLY remove gasket.
CLEANING/REPLACING IMPELLER
NOTICE: First, follow instructions under "Pump Disassembly".
Step 1. Remove screws fastening diffuser to seal plate; remove diffuser (see
Figure 18). Exposed impeller can now be cleaned.
Step 2. If impeller must be replaced, loosen two machine screws and
remove motor canopy (see Figure 19).
Step 3.
capacitor, hold insulated handle screwdriver BY THE HANDLE and
short capacitor terminals together (see Figure 19). Do not touch
metal screwdriver blade or capacitor terminals. If in doubt, consult
a qualified electrician.
Step 4. Unscrew capacitor clamp and remove capacitor. Do not disconnect
capacitor wires to motor.
Step 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 screw (if used) by turning clockwise (left hand
thread) when looking into eye of impeller.
Step 6. Unscrew impeller while holding shaft by turning counterclockwise
while looking into eye of impeller.
Step 7. To reinstall, reverse steps 1 through 6.
Step 8. See directions under "Pump Reassembly," Page 12.
To avoid electrical
shock hazard, use
insulated-handle
screwdriver to
short capacitor ter-
minals as shown.
Capacitor voltage may be hazardous. To discharge
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