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b. Check the focus drive mechanism for proper
operation and lubrication. Lubricate the drive
gearswithlithiumgreaseandallpivotpointswitha
lightweight oil as necessary.
c. The filter/diffuser assemblies should be re-
moved and dusted with a clean cloth or washed
and air dried as a complete assembly. Use
plexiglass cleaners, DO NOT use alcohol based
cleaners on the acrylic diffusers.
d. All attaching hardware (screws, nuts, etc.)
should be physically checked for tightness. Any
missing hardware MUST be replaced.
WARNING
ApplyLOC-TITEtoanyreplacementor
loose vertical support tube attaching
screws.
e. Rotate the radial arm assemblies around the
ceiling mount to check the slip ring/brush block
assemblies. With electrical power "ON", if the
lights become intermittent or go out, check and
repair or replace the brush block or slip ring as
necessary.
f. Check the remaining slip ring/brush block
assemblies by raising, lowering, and rotating the
lighthead through its full range of motion. With
electricalpower"ON",ifthelightsbecomeintermit-
tent or go out, check and repair or replace the
appropriate brush block or slip ring as necessary.
g. Check all fixture rotation axes for proper
adjustment. Adjustas necessaryusing applicable
adjustment procedures from the adjustment sec-
tion of this manual (Section 2).
h. Check light bulb voltages to ensure maxi-
mum bulb life.
1-4. Bulb Changing
Since SKYTRON Surgical Lights contain multiple
bulbs,itwouldnotnormallybenecessarytochange
aburnedoutbulbduringasurgicalprocedure. The
loss of one or even three bulbs in a large diameter
lighthead may be completely unnoticed during
use.
SECTION I MAINTENANCE
1-1. General
To insure proper operation and extend the life of
yourSKYTRONsurgicallightingfixture,thefollow-
ing preventive maintenance procedures are rec-
ommended.
NOTE
Allrepairsshouldbemadeusingautho-
rized SKYTRON replacement parts.
1-2. Daily Maintenance
Daily or between cases, the lighthead exterior
should be wiped down with a mild cleaning agent
which will not affect the painted or acrylic parts.
•Avoid the use of cleaning solutions which contain
high concentrations of alcohol, ethelene glycol,
phenol, iodophors, or glutaraldehyde based disin-
fectants. Some degree of staining, pitting, and
discoloration may occur if these are used.
Alwaysconsult with the manufacturer of the clean-
ing agent for proper application and use. Always
spot test on an inconspicuous area before use.
•Avoid personal injury. Do not attempt to clean
lighthead unless power is turned off at wall control
and fixture has sufficiently cooled.
•Avoidusingexcessiveamountsofspraycleaners
near top cover vents. Leakage of fluids into the
interioroflightheadmaycausecorrosionofelectri-
cal components.
•Periodically the filter/diffuser assemblies should
be removed and dusted with a clean cloth or
washed and air dried as a complete assembly.
•DO NOT operate lights without the filter/diffuser
assemblies in place.
•Use plexiglass cleaners, DO NOT use alcohol
based cleaners on the acrylic diffusers.
1-3. Preventive Maintenance Procedures
The following procedures should be done semi-
annually or sooner as needed.
a. Lighthead top cover should be removed and
any accumulation of dust or lint removed.
