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SO-5000 Ophthalmic Microscope
CARE OF THE OPTICAL HEAD
1.
Cleaning the optical components.
The eyepieces should be checked for cleanliness each time the instrument is used. Surface
dust should be removed with a clean, soft brush. Fingerprints or grease may be removed by
lightly wiping with a cotton cloth or lens tissue moistened with a 70:30 mixture of absolute
alcohol (either ethanol or methanol) and ether. Do not use acetone as it may damage the
surface coating.
2.
Cleaning the plastic parts and paintwork.
Use water based cleaners only.
Do not use any organic solvent such as alcohol, ether or xylene.
3.
Protection against mould.
In hot and humid climates it is common for mould to grow on optical surfaces. Cleaning and
repairing the damage can be expensive and inconvenient. To minimise the risk of mould
forming, do not leave the instrument without either eyepieces or eyepiece blanks inserted and
always store the optical head in a sealed bag containing silica gel desiccant. In tropical
climates, routine annual maintenance of the optical head is recommended.
4.
Do not dismantle.
No parts inside the optical head of the instrument can be serviced by the user. Attempts to
dismantle the optical head or prism cover will make any warranty void.
CARE OF THE MAIN LAMP
1.
The main lamp supplied has a rated average life of 50 hours.
2.
The actual life of the lamp will depend on the intensity setting normally used. The highest
setting is an over-run setting which increases light output but will reduce lamp life.
Conversely, running the lamp at the lowest setting will produce a lamp life of greater than 50
hours.
3.
It is strongly recommended that the lamp be replaced as a routine maintenance task, to reduce
the possibility of failure during surgery.
ISSUE NUMBER:
5.0
DATE:
11/04/02
User Manual
CARE AND MAINTENANCE
SUPERSEDES:
4.0
DATE:
22/05/01
WRITTEN BY:
RJK
DATE:
22/08/97
Page 20 of 36
CHECKED BY:
NW
DATE:
22/08/97
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