Thermo Scientific Apreo User's Operation Manual page 103

Support tray mounting positions
FIGURE 5-4:
4. Press the rocker switch on the unit to switch the unit ON.
5. Wait at least 3 hours. Switch OFF the unit by pressing the rocker switch.
6. Carefully open the lid, remove the tray with the specimens, and put it on the working desk.
7. Carefully hold the specimen with a pair of tweezers and mount it in the microscope chamber while hot.
8. Start the pumping cycle right after mounting a sample into the microscope chamber.
To make the baking process most efficient, we recommend mounting the sample in the microscope chamber
immediately after stopping the baking cycle. Let it cool down to the room temperature inside.
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Note
For high resolution observation, let its temperature stabilize for approximately 30 minutes.
Maintenance
The unit does not require any maintenance except necessary cleaning. When cleaning the unit, use vacuum
compatible cleaning agents (isopropyl, ethanol) and lint-free tissues. The support tray can be cleaned in an ultrasonic
bath.
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C a u t i o n !
Do not clean the Baking unit in the ultrasonic bath!
Halogen bulb replacement
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W A R N I N G !
The bulb operates at extremely high temperatures that can cause serious physical injuries and property damage!
Never touch bulb when it is on, or soon after it has been turned off, as it is hot and may cause serious burns!
When replacing the halogen bulb, always wear protective gloves and safety goggles!
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C a u t i o n !
The bulbs are very fragile. Do not drop, crush, bend or shake them!
Vibration or impact will cause filament breakage and short bulb life.
Do not touch the bulb surface with your bare hands! Use clean gloves or lint-free cloth for installation and removal.
Oils from skin can lead to breakage or shorten the life of the bulb.
Do not use any other type of the bulb than specified, as it could cause overheating of the baking unit or inefficient sample
baking.
1. Press the rocker switch on the unit to switch the unit OFF. Wait until the bulb is cooled down completely.
2. Remove the bulb from the baking unit.
3. Insert the new bulb into the baking unit.
You can use spare bulb delivered together with the unit. Always use only bulb with the following specification:
Type:
Supplier:
Product ID:
C O N F I D E N T I A L – limited rights
Revision A Feb 2018
Operating Procedures: Specimen Preparation and Handling
Low voltage halogen bulb, G4, 12V, 20W
OSRAM
64428
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User Manual 5-5