Assure safety pin and flag are inserted into
electronic module and in the wing mounted
If there is an indication that a
personnel for disposition and
Remove module from dispenser assembly by
unscrewing two stud bolts with a 5/32 inch
hexagonal wrench and sliding out of dispenser
Remove retaining plate from payload module by
unscrewing two retaining bolts.
Remove expended and unexpended impulse
cartridges and flares (or chaff) from payload
Repack unexpended items in original containers
and return to stores.
It is not unusual for the case of a
chaff cartridge to crack when
performance of the item and
should not be reported as a
RADAR SIGNAL DETECTING SETS AN/ APR-
39(V)1 OR AN/APR-39(V)2.
The radar signal detecting system indicates the
relative position of search radar stations. Audio warning
signals are applied to the pilot's and copilot's headsets.
The radar signal detecting set is protected by the 7.5-
ampere circuit breaker placarded APR-39, located on
the mission control panel (fig. 4-1). The associated
antennas are shown in figure 2-1. For AN/APR-39(V)l
operating instructions, refer to TM 11-5841-283-20.
Refer to TM 11-584120-2 for the AN/APR-39 (V)2
operating instructions. Pattern #1, self test, shall be as
shown in figure 4-5.
Radar Signal Detecting Set Control Panel
Functions (AN/APR-39(V)1) (fig. 4-3).
Turns set On or Off.
Initiates self test.
Turns discriminate function On
Figure 4-3. Radar Signal Detecting Set Control Panel (AN/APR-39(V)1