TM 11-5815-602-10
EE161-DM-OPI-010/E154UGC74
TO 31W4-2UGC74-1
NOTE
As the shield is unscrewed, notice the two rubber O-rings between the
shield and dustcover. After unscrewing the lamp shield, these O-rings are
to be removed and carefully set aside.
Separate the lamp base from the shield base using the thumb nail,
Pull the lamp from the shield using thumb and forefinger.
b. To replace lamp.
Insert new lamp into the shield.
Push the lamp base snug against the shield base.
Replace O-rings.
q
Using a clockwise motion, screw shield base into lamp socket.
Screw until finger tight.
q
Apply power.
Press PARITY RESET switch to test installed lamp.
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