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7.
Install the sample stage on the sample chamber, push in gently, and click
“Pump”.
8.
8. Wait until the vacuum system has completed the ultra-high vacuum and
other work can be performed.
5.1.2.
Cleaning the objective diaphragm and rod
After working for a period of time A63.7080, the objective diaphragm is
easy to produce pollution, the image quality is degraded, and it needs to be
cleaned frequently. The cleaning interval depends on the use and pollution.
The objective pupil and the light mast should be removed as follows:
1.
Click on “Deflation” until the sample door is loose.
Figure 5-1 Objective Diaphragm
2.
Turn the knurled knob on the light lever counterclockwise until the thread is
completely disengaged.
3.
Pull the light lever out by hand and place it on a clean, lint-free cloth. The
reverse side (ie, the matte side of the diaphragm) is up, as shown in Figure
51.
4.
Use a pair of tweezers against the top post of the fixed diaphragm and pour
the three objective lenses onto the lint-free cloth one by one, as shown in
Figure 52.
5.
Remove the top column and small spring of the fixed diaphragm and place
it in alcohol for 20 minutes with ultrasonic cleaning.
6.
Dry the top column and small spring of the fixed diaphragm with a hot air
Diaphragm
Small Spring
Rubber “O” Ring
Limit Bar
Screw
Screw Button
Lines