Leica OH4, Service Manual, Page: 201 / 264

Safety notes
59 Leica M525 OH4 / Ref. 10 714 367 / Version -
Dangers of use
Warning 1
Danger of fatal electrical shock!
➩
The Leica M525 OH4 surgical microscope may be con-
nected to a grounded safety socket only.
Warning 2
Danger of fatal electric shock.
➩
Operate the system only with all equipment in its
proper position (all covers fitted, doors closed).
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.
➩
Before re-equipping during the operation, first swing
the microscope away from the operating field.
Warning 4
Danger of injury due to movement of the microscope
during the balancing process.
➩
Do not stand next to the microscope during the
balancing process.
Warning 5
Danger of injury due to swinging down of the
Leica M525 OH4 surgical microscope.
➩
Never balance or re-equip the instrument over
the field of operation.
➩
Balance the Leica M525 OH4 surgical microscope
after re-equipping it.
➩
Do not release the brakes when the instrument is
in an unbalanced state.
➩
Never perform intraoperative AC / BC balancing
over the patient.
Warning 6
Danger of injury due to:
• Uncontrolled lateral movement of the swing arm!
• Tilting of the stand!
• Feet in lightweight shoes could become trapped
beneath the casing of the base.
➩
For transportation, always move the Leica M525 OH4
surgical microscope into the transport position.
➩
Never move the stand in the extended condition.
➩
Never roll over cables lying on the floor.
➩
Always push the Leica M525 OH4 surgical microscope
- never pull it.
Warning 7
At a short focal distance, the light source of the
illumination unit may possibly be too bright for the
operating physician and the patient.
➩
Start with a low light level and gradually increase the
light intensity until the operating physician has an opti-
mally illuminated image.
Warning 8
Danger to the patient due to failure of the focus motor!
➩
In case of failure of the focus motor, the focus can be
adjusted manually.
Warning 9
Danger of serious damage to tissue due to incorrect
working distance!
➩
When using lasers, always set the working distance of
the microscope to laser distance and lock the
microscope in position.
Warning 10
Danger to patient due to failure of the zoom motor!
➩
In case of failure of the zoom motor, the zoom can be
adjusted manually.
Warning 11
Danger of serious damage to tissue due to incorrect
manual adjustment of the working distance!
➩
Do not adjust the rotary button for manual setting of
the working distance while using the laser.
Warning 12
Not suitable for use in ophthalmology!