
300 WATT XENON SERVICE MANUAL
LIT045CUDA Rev. A
(English) Page 9 of 15
LAMP REBUILD PROCEDURE
See Fig. 2 and Fig. 3 (PFC units) for reference.
When rebuilding the Xenon lamp cartridge, it is recommended to replace several
key components of the cartridge assembly. These components are included
when you purchase a replacement rebuild kit from Sunoptic Technologies®.
CAUTION: Before performing this procedure, be sure the unit has cooled
to room temperature.
WARNING:Lamps are under high pressure and must be handled with
care. A face shield should be worn when handling this lamp.
The following procedure will guide you through rebuilding your Xenon lamp
cartridge.
Tool required: #2 Philips screwdriver, 7/64” Allen wrench,
Needle nose pliers and ½ “ nut driver.
1. Be sure lamp has cooled to room temperature.
2. Remove the 2 jumbo banana plugs from the bottom of the unit. Press the
lamp assemblies from the back, out of the lamp housing.
3. Set the lamp face down on its front heatsink.
4. Remove the 3 Phillips screws and lockwashers from the back heatsink.
5. Gently pull the lamp out of the back heatsink.
6. Remove the Allen head screw in the side of the front heatsink.
7. Gently pull the lamp out of the front heatsink.
8. With the needle nose pliers, remove the cooling ring and from the inside of
each lamp heatsink the metal spring gaskets.
9. Clean off all the parts with a rag or paper towel, alcohol may help in
heatsink compound removal.
10. Remove the new lamp from its package. Record its serial number and
date installed in the illuminator manual.
11. Set the lamp face down with its protective cap on its lens. If the lamp has
a rubber cap on the fill tube on the rear of the lamp, remove it.
12. Apply a thin film of heatsink compound to the back of surface of the lamp,
and the inside contact area of the front and back heat sinks.
CAUTION: Only apply a thin layer of heatsink compound to areas.
13. Install the new metal spring gasket into the front groove of the back
heatsink. Place the fingers so they are toward the back.
14. Press the lamp into the back heatsink making sure the fill tube is aligned
with the fill tube relief hold.