TM 5-3610-253-14
83F, Photolithographer
MOS:
Flat Tip Screwdriver
TOOLS:
Lamp
SUPPLIES:
WARNING
Death or serious injury may occur from electrical shock unless power is
turned off before servicing.
Turn off power.
a.
(1) Turn Star-Delta switch to Y position, then to O position.
(2) Turn main power switch to O position.
(3) Using operator key, lock safety lock.
b. Remove two screws on left end of top cover and position the cover so that
easy access to lamps is obtained.
c.
Grasp the defective lamp with fingers and rotate to the left to remove.
d.
Install new lamp and rotate it to the right to secure.
e.
Reinstall the top cover and secure with screws.
f. Using operator key, unlock safety lock.
Turn on power.
g.
(1) Turn main power switch to I position.
(2) Turn Star-Delta switch to Y position. After the main motor has
reached full speed, turn switch to
position.
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