Prior to insertion of an impulse cartridge,
be sure there is preformed packing in the
flare cartridge. (There will be no
preformed packing in chaff cartridges.)
Reinstall any preformed packing that is
inadvertently removed with dustcap. The
loading of impulse cartridges into a flare or
chaff shall be accomplished one at a time.
Insert one impulse cartridge into each flare
Install retainer plate assembly by screwing to
two retainer bolts into payload module.
The system must have been tested to assure
that there is no stray voltage and all
aircraft power must be removed from the
system prior to unloading the payload
On the dispenser control panel, assure
ARM-SAFE switch is in SAFE position.
On the electronic module and right wing
assure safety pins and flag assemblies are
Slide payload module assembly into
dispenser assembly and secure two stud
bolts, hand tight, using 5/32 inch hexagonal
Ammunition Unloading Procedure.
All aircraft power to the dispenser system
must be turned off prior to removal of
payload module from dispenser assembly.
Safety pin flag shall be installed in the
electronic module prior to landing and the
safety pin flag shall be installed in the
wing-mounted safety switch immediately
On dispenser control panel, assure ARM-
SAFE switch is in SAFE position.
Assure safety pin and flag are inserted into
electronic module and in the wing mounted
If there is an indication that a misfire
disposal 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
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 fired. It does not
effect performance of the item and should
not be reported as a malfunction.
The radar signal detecting set (fig. 4-3) 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 operating instructions, refer to TM
115841-283-20. Self test pattern shall be as shown in figure
Radar Signal Detecting Set Control Panel Functions
PWR switch. Turns set on or off.
SELF TEST switch. Initiates self test.
Change 2 4-9