Forma Scientific, Inc._____________________________________________Service
6-13
Remove the four wing nuts that secure the blower mounting plate to the
incubator ceiling.
Pull the blower motor assembly down into the chamber area.
Remove and save the upper blower wheel/blower blade.
Cut the tie wrap(s) securing the blower wires to the blower shield plate.
Note: An extra tie wrap has been provided for resecuring the electrical
wiring.
Disconnect the blower motor electrical connectors and remove the bushing
securing the blower motor wiring.
Remove and save the two #6 nuts, washers and nylon spacers that secure the
blower motor. Discard the old blower motor. Save the #6 nuts, nylon spacers
and washers.
Remove the snap ring from the new blower motor shaft.
Install new blower motor using the #6 nuts, nylon spacers and washers from
step #9.
Reconnect the wires to the blower motor.
Install the snap bushing (located around the electrical wires from the blower
motor) in the top of the blower shield plate.
Reinstall the new snap ring on the motor shaft groove.
Reinstall the lower blower wheel (inside the chamber) by pushing the
blower wheel up against the snap ring.
Reinstall the upper blower wheel/blower blade.
Place the blower motor assembly into its original position.
Caution: Make sure that the vinyl tubing is not kinked and the wiring is
not in contact with the top blower wheel.
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