TM 11-6625-3081-23
5-12. OPTICAL SIGNAL ANALYZER (OSA) HOUSING ASSEMBLY REPAIR (cont)
5-12
2. PHOTOMULTIPLIER TUBE (PMT) ACCESS
DOOR INTERLOCK SWITCHES S1 or S2
REPLACEMENT
NOTE
This procedure is used to replace
switch S1 or S2.
REMOVAL
a.
b.
c.
d.
Remove 12 screws (1) and pull out
OSA.
Loosen two captive screws (2) and
open PMT access door (3).
On switch assembly All (4),
remove two screws (5), switch
lever (6), and switch S1 (7).
Tag and remove leads from
switch (7).
INSTALLATION
e.
Install in reverse order of
removal.
END OF TASK
3. MAIN ACCESS DOOR LATCH REPLACEMENT
REMOVAL
a.
Open access door (1).
b.
On latch assembly (2), remove two
screws (3), washers (4), nut (5),
and remove latch assembly (2).
INSTALLATION
c.
Install in reverse order of
removal.
END OF TASK
5-56
Change 1
