Forma Scientific 3546 - 6.7 Replacing the Temperature Control

Forma Scientific, Inc._____________________________________________Service
6-10
6.7 Replacing the Temperature Control
(Refer to Wiring Diagram, 140179-71-0-D)
 Turn the incubator off and disconnect it from the power source.
 Remove the screws securing the right side access panel. Remove the panel
and set aside.
 Remove the temperature control knob by loosening the two Allen head
screws recessed in the knob.
 Remove the nut on the shaft on the outside of the panel, then remove the nut
on the back of the panel behind the control knob.
 Remove the wiring to the temperature control and note the connections.
 Remove the control and replace the new unit by reversing the above
procedure.
6.8 Replacing Pilot Lights
 Turn the incubator off and disconnect it from the power source.
 Remove the screws securing the right side access panel. Remove the panel
and set aside.
 Disconnect the wiring behind the defective light and break the retaining clip
loose. Remove the pilot light.
 Insert the new pilot light from the front of the panel and install the new
retaining clip.
 Reconnect the wiring.