Forma Scientific 3158 - Replacing Pilot Lights and Thermistor; Replacing Fuse and Blower Motor

Forma Scientific, Inc.
7-12
7.9 REPLACING PILOT LIGHTS
1. Loosen the two 1/4-turn fasteners on the front of the control panel and pull
the panel out.
2. Disconnect the wiring behind the defective light and break the retaining clip
loose. Remove the pilot light.
3. Insert the new pilot light from the front of the panel and install the new
retaining clip.
4. Reconnect the wiring.
7.10 REPLACING THE THERMISTOR
1. Loosen the two 1/4-turn fasteners on the front of the control panel and pull
the panel out.
2. Locate the thermistors and remove the silastic around the thermistor cable.
3. Pull the defective thermistor out of the probe sheath.
4. Cut the wires to the defective thermistor, making note of the connections.
5. Attach the new thermistor using the electrical in-line connectors.
6. Install the new thermistor by reversing the above procedure. Take care not
to damage the probe tip and make sure that the probe is fully extended in the
sheath. Reseal the port with silastic or similar material.
7.11 REPLACING THE 0.3 AMP FUSE
(Refer to Wiring Diagram, 140181-71-0-D)
The 3/10 amp fuse is located in the center of the control panel tray behind the
CO
2
monitor module housing.
To replace the fuse:
1. Disconnect all power to the incubator.