TM 1-1270-476-30
4-178
4-12. DAY SENSOR SUBASSEMBLY REPAIR (cont)
8. 21 HZ FILTER ASSEMBLY A22
CAUTION
This unit contains electrostatic discharge
sensitive (ESDS) devices. Refer to paragraph
2-8 for handling requirements before starting
this task, to prevent damage to the devices.
NOTE
Not all day sensor subassemblies require, or
are equipped with, the 21 Hz filter assembly.
This is an alternate configuration.
REMOVAL
a. Disconnect connector P8 (1).
b. Remove lacing and tying tape from cable
(2) and mounting plate (3).
c. Disconnect connector A22P1 (4).
d. Remove two screws (5) and washers (6)
and 21 Hz filter assembly A22 (7).
INSTALLATION
e. Install 21 Hz filter assembly A22 (7) with
two screws (5) and washers (6).
f. Connect connector A22P1 (4).
g. Install lacing and tying tape on cable (2)
and mounting plate (3).
h. Connect connector P8 (1).
END OF TASK
