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6. Cover the packing nut (37) by pushing up the dust
cover (15).
19
F
. 34 Replace dust cover
IG
7. Reconnect inlet and outlet fluid lines to the pump.
8. Reconnect power to the motor.
9. Prime the Pump, page 22.
10. If necessary, Calibrate Chemical Dosage, page
23.
11. Tighten packing nut as necessary to seal pump
plunger.
334513E
1
2
15
DC Motor Brush Repair (not
Hazardous Location)
1. Disconnect pump from power source.
2. Remove dust cover screws and dust cover (2b) and
o-ring. See F
. 27 on page 34.
IG
3. Remove brush retainer using a flathead screw-
driver.
4. Remove and replace motor brush.
5. Reinstall brush retainer.
6. Ensure o-ring is in place in motor end ring (2c), and
reinstall dust cover (2b) and dust cover screws.
7. Repeat steps 2-6 for the other side of the motor.
Repair
37
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