Olympus BX53 Manuel d'instructions - Page 24

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Fig. 30

Adjusting the X- and Y-Axis Knob Tension

1. Hold the X-axis knob @ and slide up the Y-axis knob 2 up to expose

the adjustment knobs.

2. Turning the X-axis adjustment knob 3 or Y-axis adjustment knob |

clockwise (in the direction of the arrow) increases the tension and coun-

terclockwise decreases it.

If the tension is adjusted to tight, a creaking sound may be heard

CAUTION

during stage travel, and the stage stopping accuracy may be

imperiled.

} After long hours of use, the stage guide may be deviated and the stage

travel range may be decreased.

} However, this is not malfunction and can be corrected easily as described

below.

[Treatment]

Horizontal direction: Hold the specimen holder and move the stage guide

to the left and right so that it hits the stoppers.

Vertical direction:

Hold the upper stage and move it to the front and rear

so that it hits the stoppers.

Stage Feed Knob Rubber Caps (Optional)

} When the X- and Y-axis knobs are fitted with the rubber caps, the knobs

can be adjusted without slipping and fine adjustment is possible by holding

the knobs with a very light force. The knob rubber caps also reduce fatigue

after long hours of operation.

The U-SHGT thick type (thickness 5 mm) and U-SHG thin type (thickness

2 mm) knob rubbers are available.

To attach the knob rubbers:

First fit the larger knob rubber to the Y-axis (upper) knob from below it,

then fit the smaller knob rubber to the X-axis (lower) knob from below it.

(Fig. 30)