Parts
Replacement/General
7-2
Clean Room Oven
Thermo Scientific
Section 7
Maintenance
Filter Replacement
1. Unplug oven from outlet before servicing.
2. Remove shelves, floor and side walls.
3. Lay the oven on its back side. Be sure to support the oven back above
the surface to protect the vent port. Loosen all the Phillips screws from
the trim strips holding the gasket.
4. Pull the gasket out from under the trim strips.
5. Starting at the seam on the hinge side, slide the double lip under the
trim strip and work the gasket around the door opening. Smooth out
any bows in the gasket and trim off any excess.
6. Tighten screws holding trim strips.
7. Clean oven's inner body; replace floor, side walls and shelves.
1. Disconnect unit from electrical outlet.
2. In the event unit has been in use, be certain that it has cooled before
doing any work in the interior.
3. Filter cover is on the right hand side of interior of cabinet.
4. Remove shelves.
5. Locate and remove 2 screws on front of filter cover - one at top and the
other at the bottom.
6. Note flange of filter cover which is secured to back wall by nuts.
Remove nuts and washers.
7. Remove filter cover assembly from cabinet.
8. Replace existing filter with new one.
9. Reverse procedure to reassemble.
In the event that access is required to replace heaters, RTD sensor or safety
thermostat, extreme care is necessary when removing Teflon bladder.
After completing repairs, it is recommended that bladder and sealant (Dow
Corning Sealant #736) be replaced.
Complete Gasket
Replacement
