Mitutoyo Microscope TM 505 R

Warning: Turn off the power switch and pull out the power cord from the AC outlet to prevent electric shocks.

Check the power cord, input connector (AC inlet), voltage selector, GND terminal, surface illuminator connector, and other joints for looseness and poor connections.

Check that the contour and surface illuminators light by turning on the illumination switch.

Check that the light intensity of each illuminator changes by turning on the light control knob.

Check the focusing knob for any abnormal tightness, play, unevenness, and sound.

Check the stage glass for scratches and contaminants.

Move the XY stage over the measuring range by hand to check for any abnormal tightness, play, unevenness, and sound.

Loosen the angle dial clamp knob and turn the dial to check for any abnormal tightness, play, unevenness, and sound.

- When a fuse holder is as in the upper left figure

1. Turn off the contour and surface illumination switches and the power switch, and the pull out the power cord.

2. Insert a screwdriver in the rectangular hole of the fuse holder and raise the screwdriver grip, then a latch will separate and the fuse holder will come out from the front.

3. Replace the fuse, and replace the fuse holder.

- When a fuse holder is as in the lower left figure

1. Turn off the contour and surface illuminator switches and the power switch and pull out the power cord.

2. Insert a screwdriver in the rectangular hole on the fuse holder and turn it counterclockwise, then a latch will separate and a fuse holder will come out from the front.

3. Replace the fuse, and replace the fuse holder.

Periodically apply a thin layer of grease over the slide guide surfaces and rack of the optical tube using a brush.

Apply a thin layer of spindle oil to guide rails. After dusting the stage glass wipe it gently with a soft cloth.

Since the optical glass used for lenses is soft and subject to scratches, always use an air-blower or a feather to dust the lens surface. To remove contaminants such as oil and fingerprints, gently wipe them in a circular motion with gauze dampened in high-grade alcohol.