TM 5-6350-255-13
c. Align the antenna and transmitter cap assembly
5-7. Transmitter and Encoder
bayonet lock, and push the entire stack assembly.
a.
Installation. Remove plastic protective
Rotate the cap clockwise until it engages the three
cap from encoder. Plug a stack of "common modules"
mating pins and a click is heard or felt, indicating full
(encoder and transmitter) into the code plug receptacle
engagement of the bayonet lock (fig. 5-4). Install and
tighten the set screw on the antenna and transmitter cap
CAUTION
assembly.
Align cable, and black mark on code
plug with black mark on inside of
5-8. Battery
tube, being careful not to rotate stack
WARNING
and slide the entire stack into the
Do not short out battery terminals. Shorted
short tube.
mercury battery may explode causing injury
NOTE
to personnel or damage to the equipment.
An elastic spacer installed in the case
a. Remove battery cap assembly (fig. 5-5) from the
assembly will cause the transmitter and
end of the long tube. Remove packing material from the
encoder stack to stick out from the case
long tube. After removal of battery cap, verify recovery
assembly] approximately 1/2 inch (1.27 cm).
code as printed inside compartment, or wiring side of
CAUTION
code plug, and that printed on the identification tag. If
RF connectors can be easily damaged unless
different, assume code inside MINISID III is correct.
properly mated.
Change identification tag accordingly. With the open end
of the long tube facing you, tilt the case downward,
b. Mate the coaxial connector located inside the
causing the battery harness to slide forward toward the
antenna and transmitter cap assembly (fig. 5-6) into
opening (fig. 5-5). Grasp the battery connector and hold
the mating receptacle on the transmitter face.
with one hand outside of tube. Insert battery into the
long tube with two contacts facing toward the opening of
CAUTION
the tube. Replace battery cap with a clockwise
Check and verify that complete and full
movement until a click is heard or felt. Depress safety
engagement has been made between the two
spring (fig. 5-2) and turn MINISID III to TEST or ARM
halves of the coaxial connectors by looking
position.
through one of the bayonet slots in the antenna
and transmitter cap assembly.
Section IV. VERIFICATIONOF MINISID III OPERATION
a. Screw wire antenna into antenna and transmitter
5-9. Operation Check Using a Receiver
cap assembly.
Radio Frequency Monitor or Stack Tester
b. Turn the MINISID III power switch to TEST
The MINISID III operation can be checked with a
position.
Receiver Radio Frequency Monitor AN/USQ-46
c
Tap the geophone and observe that a
(Portatle), or Stack Tester PT1585. The following steps
transmission of proper ID code is received.
should be taken.
d. Turn OFF MINISID III.
CAUTION
e. Unscrew antenna and store pouch on the
Remove Portatle antenna prior to test, to
carrying strap.
protect input of Portatle.
Section V. MODULE REPLACEMENT
5-10. Replacement of Modules
WARNING
The following procedures are for the replacement of the
Do not short out battery terminals. Shorted
battery, seismic module, transmitter and encoder,
mercury battery may explode, causing injury to
geophone and cable assembly, security and power
personnel and damage to the equipment.
switches, and interrupt/control.
(1) Remove battery cap assembly (fig. 5-4) with a
counterclockwise movement to disengage the bayonet
CAUTION
lock. Unsnap the battery connector from the battery.
Depress safety spring (fig. 5-2) and set power
With the open end of the long tube facing out, tilt and
switch to OFF position.
slide battery slightly outward. Grasp battery
5-11. Replacement of Battery
a. Removal.
5-15
