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Repair
Replacing a Fan
NOTICE
To avoid damaging the circuit boards when
servicing the control box, wear Part No. 112190
grounding strap on your wrist and ground
appropriately.
To avoid electrical component damage, remove all
system power before plugging any connectors.
1. Follow the steps in Before Servicing, page 34.
2. Remove the screws (56) holding the cover (8)
to the front of the unit.
3. Loosen the screws (124) and remove the
enclosure cover (117).
4. Disconnect the 2 fan wires from the pump control
module. See Electrical Schematics, page 27.
5. Remove the 4 screws, nuts, and washers to
remove the fan (9).
6. Install the new fan (9) and attaching hardware.
7. Connect the 2 fan wires to the pump control
module. Use terminal 8, pins 3 and 4. See
Electrical Schematics, page 27.
8. Replace the covers (8, 117).
50 332709B