TM 11-6625-3081-23
2-46.
OPTICAL SIGNAL GENERATOR (OSG) ASSEMBLY 2A2A3 REPLACEMENT
2-46
INITIAL SETUP
Equipment Conditions
Tools
Goggles
Rubber apron
Materials (appendix C)
Artist brush (Item 8)
Cheesecloth pad (Item 11)
Chemical film (Item 12)
Rubber gloves (Item 26)
Emery paper (Item 35)
Zinc chromate primer (Item 40)
Lacing tape (Item 44)
Trichlorotrifluoroethane (Item 48)
Personnel Required
39B ATE Repairer
One assistant
Power removed (para 2-24.1)
Blank panel beneath OSG removed
(para 2-42)
Top rear access panel removed
(para 2-42)
FOLLOWUP
Blank panel beneath OSG installation
(para 2-42)
Top rear access panel installation
(para 2-42)
REMOVAL
1.
On rear panel of OSG (1), disconnect
the following cables:
W13P2 from J1 (2)
W17P2 from J2 (3)
NOTE
If the OSG is to be replaced, the
ground lead will have to be moved to
the replacement assembly. If the
same OSG is installed, use ground
lead quick disconnect and omit steps
3, 7, and 9.
2.
Disconnect ground lead quick
disconnect (4).
3.
Remove screw (5), lockwasher (6), two
washers (7), and ground lead (4).
4.
Remove screw (8), lockwasher (9), and
chain (10).
5.
Loosen four captive screws (11) on
front of OSG (1) and pull out OSG.
Change 9
2-263
