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Inspection procedure
09/93 3691-DMF
Service Manual M695
Doc Code 636 718
5.1
Cleanliness of optical components
•
All surfaces of optical components in the observation and illumination beam paths must
be clean,
5.2 Zoom
•
Focus on the object and operate ZOOM UP and ZOOM DOWN at their minimum
speeds.
The image sharpness should remain constant over the entire zoom range.
l
The image should not jump suddenly when ZOOM UP and ZOOM DOWN are being
operated.
6.1
6.2
6.3
6.4
6.5
6.6
Rotation
•
The tiltable joint must be easily and smoothly tumable after the brake has been released.
Brakes
•
As the braking knob is applied, the movement becomes steadily less free and finally the
joint locks completely. When the brake knob is turned the other way, the movement
steadily becomes easier.
Clip-on handles
•
The sterilizable clip-on handles must be convenient to put on and take off again. They
must click in and out perfectly.
Gas spring
•
The vertical adjustment must be smoothly adjustable from one end to the other.
•
At maximum loading, and with the weight compensation at 10, the swingarm must not
drift downwards.
Weight compensation
•
The adjusting spindle must be adjustable from 0 to 10.
Safety hook
•
The safety hook must engage faultlessly. When it is moved sideways, the ratchet bolt
must remain in position.