Nikon 7314 Binocular Microscope "stage falling" Questions

...stage for my microscope keep falling to the bottom-most position? I've tried tightening the coarse tension knob to increase the torque but the stage will continue to fall to its bottom most position. ...

...stage is falling I cannot get the stage up high enough to focus under 10X. I think the coarse tension needs to be adjusted but I'm unsure how to do this. This might be sign of trouble, because the ...

Stage slowly falls causing unfocus I have a Carlsan single occular compound microscope. The course and fine adjustment knobs raise or lower the stage to focus. Lately once I have my slide in focus and

...stage and lack of pressure from the screws. Turn the 2 coarse focus knobs in oposite directions. Do not turn to hard as it will break off the head of an internal screw, but it will add more compress ...

your microscope that is used to make this adjustment. Tighten it just a bit until the stage stops falling. You don't want it too tight or it will begin to make it difficult to adjust your coarse focus