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 2.5 mm 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.
Thermo Fisher Scientific Evolution 300 and Evolution 600 User Guide 81
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