Leica OH4, Service Manual, Page: 164 / 264

Preparation for operation
22 Leica M525 OH4 / Ref. 10 714 367 / Version -
Installing optical accessories
Warning 3
Risk of injury through surgical microscope moving
down!
➩
Complete all preparations and adjustments to the
stand before the operation.
➩
Never balance or re-equip the instrument over the
field of operation.
➩
Always lock the Leica M525 OH4 in position before re-
equipping it.
➩
Balance the Leica M525 OH4 after re-equipping it.
➩
Do not release the brakes when the instrument is in an
unbalanced state.
Locking the Leica M525 OH4 in position
The D-axis of the Leica M525 OH4 is locked in position with the
locking device.
The locking device is principally for installation and
re-equipping the Leica M525 OH4.
➩
Pull out the locking buttons (1 and 2) and turn them until the
two points (arrows) are aligned above each another.
➩
Move the swing arm up and down until locking device (1)
engages.
➩
Move the swing arm back and forth until locking device (2)
engages.
1
2
Installing the 90° stereo attachment, binocular tube and beam
splitter
➩
Release the clamping screw (3).
➩
Insert the accessories into the dovetail ring from above.
➩
Tighten the clamping screw (3).
Installing the stereo attachment for second observer
➩
Insert the stereo attachment and check whether the
connection has engaged.
➩
Tighten the locknut (4) by hand.
➩
Align the attachment for second observer as required.
4
3