TM 5-6350-255-13
with hand and remove battery completely from case.
b. Installation.
Discard defective battery.
b. Installation.
CAUTION
(1) With the open end of the long tube facing
When installing seismic module into case, align
out,
white mark on bottom of seismic module with
hold battery connector outside the long tube.
black mark on inside of case. Use screwdriver
NOTE
with slot in center of seismic module to align
The flat surface, located in the center bottom
and seat the seismic module properly.
portion of the battery case assembly provides
(1) Install cable with two multi-pin connector to
clearance for the battery connector harness,
the seismic module (fig. 5-7).
therefore, the harness should lay flat on the
(2) Replace new lacing cord holding cable to
bottom of the case to allow the battery to seat
seismic module.
properly.
CAUTION
(2) Slide new battery into the long tube and snap
The battery can be damaged when installing
the battery connector to the mating receptacles on the
the seismic module unless the battery
battery.
connector and cable are tucked inside the
(3) Install battery cap assembly with a clockwise
sensor case.
movement until a click is heard or felt (fig. 5-4).
(3) Pull out the battery connector and its cable
CAUTION
that was previously tucked into the space inside the
Depress safety spring (fig. 5-2) and set power
sensor between the Interrupt/Control Assembly board
switch to ARM or TEST position.
and the sensor case.
(4) The MINISID III is now operational.
(4) Replace the battery as follows
5-12. Seismic Module Replacement
(a) With the open end of the long tube facing out, hold
battery connector outside the tube (fig. 5-5).
a. Removal.
NOTE
WARNING
The flat surface, located in the center bottom
Do not short out battery terminals. Shorted
portion of the battery case assembly provides
mercury battery may explode, causing injury to
clearance for the battery connector harness,
personnel and damage to the equipment.
therefore, the harness should be flat on the
bottom of the case to allow the battery to seat
CAUTION
properly.
Depress safety spring (fig. 5-2) and set power
switch to OFF position.
(b) Slide new battery into the long tube and snap the
(1) Remove battery cap assembly (fig. 5-4) with
battery connector to the mating receptacles on the
a counterclockwise movement to disengage the bayonet
battery.
lock. Unsnap the battery connector from the battery (fig.
(c) Install battery cap assembly with a clockwise
and slide battery slightly outward. Grasp battery with
movement until a click is heard or felt (fig. 5-4).
hand and remove battery from the long tube and set
CAUTION
aside.
Depress safety spring (fig. 5-2) and set power
(2) Remove the doughnut shaped foam spacer
switch to ARM or TEST position.
(d) The MINISID III is now ready for operation.
the
space
inside
the
sensor
between
the
5-13. Transmitter and Encoder
Interrupt/Control Assembly board and the sensor case.
Replacement
CAUTION
The battery cable can be damaged when
a. Removal.
removing the seismic module, unless the
CAUTION
battery connector and cable are tucked inside
Depress safety spring (fig. 5-2) and set power
the sensor case.
switch to OFF position.
(3) With the open end of the long tube facing you, tilt
The antenna and transmitter cap assembly is equipped
case downward causing the seismic module (fig. 5-7) to
with a set screw that locks the cap to the case assembly
slide forward. Grasp seismic module with hand and
to prevent unnecessary field opening of the case. This
remove from case. Carefully cut lacing cord holding
set screw must be loosened before taking off the cap
cable to seismic module. Disconnect two
assembly.
Remove antenna and transmitter cap
multi-pin connector (fig. 5-7) from seismic module.
assembly (fig. 5-1). With open end of the short tube
facing you, tilt the case downward causing the
transmitter and encoder modules to come slightly
5-16
