Chapter 5 Maintenance
Tungsten-halogen lamp
Always view the lamp through protective glasses that will absorb UV
radiation.
1.
Turn off the spectrophotometer and unplug from the AC outlet.
Caution
Allow at least 15 minutes for the instrument to cool before removing
protective covers.
2.
Remove back cover.
3.
Remove the burned out bulb from its socket.
Before removing, note the orientation of the lamp socket.
a.
Using a 2.5mm hex wrench, loosen the two securing screws.
b.
Holding the lamp socket by the mounting tabs, remove the copper
spring clip.
c.
Unplug the tungsten-halogen lamp from socket.
4.
Insert new bulb.
Caution
Never touch the bulb with your fingers. Oil from your skin will cause the
bulb to burn out quickly or explode.
a.
Holding the lamp socket by the mounting tabs, insert the bulb pins
into the socket.
b.
Replace the copper spring clip.
c.
Replace the lamp socket ensuring the orientation is correct.
d.
Align the securing screws and tighten with hex driver.
5.
Replace rear cover.
6.
Plug in the spectrophotometer to the AC outlet and turn on the
power switch.
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Evolution 300 and Evolution 600 User’s Guide
Thermo Electron Corporation
