MAINTENANCE
Pump and piping need not be disconnected to repair or re-
place motor or seal (see Figure 12). If motor is replaced, re- place the shaft seal (Key No. 6, Page 11). 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
NOTICE: Drain pump when disconnecting from service or when it might freeze.
PUMP DISASSEMBLY
1. Disconnect power to motor.
NOTICE: Mark wires for correct assembly.
Figure I I - Disconnect Power
2.Remove clamp (see Figure 12).
3.Remove pump base mounting bolts. Motor assembly and back half of pump can now be pulled away from pump front half (Figure 12). CAREFULLY remove
Figure 12 - Slide Motor Back
CLEANINGIREPLACINGIMPELLER
NOTICE: First, follow instructions under "Pump Disas- sembly".
1.Remove four screws fastening diffuser to seal plate; re-
move diffuser (see Figure 13). Exposed impeller can now be cleaned.
2.If impeller must be replaced, loosen two machine screws and remove motor canopy (see Figure 14).
_WARNING
To avoidelectrical shockhazard,use
Figure 14 - Hold Shaft
3, AWARNING]Capacitor voltage may be hazardous.
To discharge capacitor, hold insulated handle screw-
driver BY THE HANDLE and short capacitor terminals together (see Figure 14). Do not touch metal screwdriver
blade or capacitor terminals. If in doubt, consult a quali- fied 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.
REMOVING OLD SEAL
1.Follow instructions under "Pump Disassembly ".
2.Follow steps 2 through 5 under "Cleaning/Replacing Impeller.
3.Unscrew four nuts holding pump back half to motor. Remove rotating half of seal by placing two screwdrivers under back half of pump body and carefully prying up (Figure 15). Back half of pump body will slide off shaft, bringing seal with it.
Figure 15 - Remove Seal plate
NOTICE: Be sure you do not scratch or mar shaft; if shaft is marred, it must be dressed smooth with fine emery or cro-
cus cloth before installing new seal. DO NOT reduce shaft diameter!
