Thermo Scientific Precision Premium PR305040G, Руководство по эксплуатации

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12. Detach the controller housing (oven bottom) by removing the eight
screws which fasten it to the cabinet. Two screws are located on each
side of the oven and four on the bottom of the oven.
13. Locate the two access holes for the motor mounting nuts located in the
oven floor, in front of and in back of the motor shaft.
14. Push an 11/32-in nut driver through the front access hole, gently
pushing aside the oven insulation until the nut driver reaches the front
motor mounting nut.
15. Remove front nut and washer, then repeat process using back access
hole to remove back motor mounting nut and washer.
16. Remove the fan motor by sliding it out.
17. Install replacement fan motor by generally reversing the steps above.
To replace a defective controller, proceed as follows:
1. Disconnect power cord from the electrical outlet.
2. Open the chamber door. Carefully remove and retain hardware from
door hinges (case side). Set door aside.
3. Slide the oven forward until the front of the bezel (control panel) is at
least three inches from the edge of the bench top (or the oven feet are
at the edge of the bench).
4. Prop up the oven front by placing a shim under each front foot. Use
shims between 1½ and 2 inches in thickness.
5. Remove the screws securing bezel from bottom of oven.
6. Slide the oven back on the table plus a few inches (to set the bezel on
the bench) and rotate the bottom of the bezel out from the oven. The
top clips will come loose but the wiring will still be connected.
7. Carefully set the bezel on the bench.
8. Locate terminal blocks on controller, remove all wires connected to
controller. Note color and location of wires.
9. Remove four screws that hold controller to bezel, then remove old
controller.
10. Install new replacement controller and reattach wires previously
removed.
Precision Premium Oven 6-7 Thermo Scientific
Section 6
Service
Replacing Circulating
Fan Motor (cont.)
Replacing the
Controller