Fisher Scientific Isotemp 500 Series, Instruction Manual

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Isotemp Economy Incubators Page 12
Service procedures requiring access to the
Caution: electronics compartment involve exposure to line
voltage and should be done by qualified service
personnel. Disconnect incubator from power
before attempting repairs
.
Replacing
To replace a defective heater, proceed as follows:
the Heater
1. Disconnect power cord from the electrical outlet.
Caution:
Allow incubator to cool to ambient temperature
before attempting repair.
2. Remove the two screws that secure the heater cover. Remove the
cover by lifting and sliding it forward. It may be necessary to use a
flat-blade screwdriver to assist in lifting the cover upward. Set heater
cover aside.
3. Remove the two nuts and lock washers securing the heater
leads, then pull the lead terminals off the heater studs.
4. Remove the two screws securing heater to cabinet. Slide heater for-
ward to disengage back heater clips, lift back of heater up, then
slide heater back and lift out
5. Install replacement heater and reassemble incubator by generally
reversing the steps above.