Thermal Product Solutions Laboratory Oven LO-850-P

Ensure only qualified maintenance and electrical personnel perform the inspection.

Turn the main power disconnect switch to the OFF position.

Proceed with the company's Lock-Out / Tag-Out procedure.

Inspect door gasket(s) for wear such as cracks or tears.

Check that the door seals evenly around its perimeter to negate heat loss.

Adjust door latches if necessary.

Ensure only qualified personnel perform maintenance

Turn the main power disconnect switch to OFF position

Proceed with company's Lock-Out / Tag-Out procedure

Main Temperature Controller Calibration Inspection

Check temperature indicating accuracy of the main controller

Is the temperature within the acceptable range?

Does the controller properly activate limit or alarm outputs?

Reference the controller user manual for more information

Remove the first screw located behind the gasket at the bottom of the door frame.

Remove the next two screws working to the right.

Gasket Removal and Installation

Use a flat blade screwdriver to pry the inner shell of the oven upward away from the frame.

Pull out the old gasket, working to the right.

Start installing the new gasket as you remove the old one.

Re-install the first 3 screws you removed.

Ensure no cleaning solution contains chloride or fluoride ions

Wash all surfaces with an appropriate cleaning solution

Take precautions not to spray beyond the blower outlet

Ensure only qualified maintenance and electrical personnel are performing the inspection.

Turn the main power disconnect switch to the OFF position.

Proceed with company's Lock-Out / Tag-Out procedure.

Check motor shaft seals for deterioration.

Conditioner Blower Wheel Inspection

Inspect the conditioner blower wheel for cleanliness.

Ensure the blower wheel spins freely.