50
Maintenance
a. Wear cotton gloves to protect your hands and to avoid fingerprints on
the bulb.
b. Grasp the bulb.
c. Twist the bulb in a counterclockwise direction, pulling out slightly, until it is
released from the housing.
d. Pull the lamp leads and connector through the hole in the lamp housing.
Do not touch the new bulb with bare hands. Etched glass and reduced lamp life
will result. Wear cotton gloves or grasp the lamp assembly with a tissue to avoid
contamination. If contamination occurs, clean the glass bulb portion with isopropyl
alcohol.
Replace the bulb by reversing the above instructions. The bulb base only fits one
way; align the notch in the metal bulb flange with the hole in the lamp holder.
Figure 28 Lamp Replacement
1. Lamp Housing 2. Lamp Assembly 3. Photo Detector
2
3
1
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