PS Magazine - TB 43-PS-615
PS, The Preventative Maintenance Monthly
ISSUE 615
FEBRUARY 2004
PS 615
FEB 04
41
BCS GDU ASIP W33A
The NSN for the 15-ft W33A cable that connects the SINCGARS RT-1523E (ASIP) to the
gun display unit (GDU) of the battery computer system (BCS), AN/GYK- 29, is NSN 5995-
01-128-6425. The cable is part of the GDU equipment and is listed in the BCS TM, TM 11-
7440-283-12-1 and -2 and GDU TM 11-7440-283-12-2.
PS 615
FEB 04
40
MK-2551A/U Grounding Kit…
When Should You Use It?
T
he surface wire grounding kit (SWGK) MK-2551A/U, NSN 5820-01-263-1760,
is a good way to get an electrical ground in some situations, but not in others. The
SWGK does not work well where the topsoil layer is very loose since it relies upon
compression between the stakes, earth and cable to maintain electrical contact.
The SWGK has fifteen 10-in
stakes that are driven into the
ground in a circular pattern
around the vehicle or moving
shelter being grounded. The
stakes are connected by 75 feet of
steel cable.
The best grounds are those that
use the 8-ft metal rod that can
reach the water table. The next
best is using a metal plate. Those
are the types of grounds that you
should think of using first.
First, if the system you are grounding needs to move and then set up again at a
moment’s notice. The SWGK is quickly installed and quickly removed. Driving fif-
teen 10-in stakes is often quicker and easier than driving a 8-ft rod into the ground
and removing it without vehicular help, which bends the rod.
However, there
are two situations
when the SWGK is
a suitable
alternative…
Second, when the ground is rock hard. Some places like desert areas and frozen
tundra have ground so hard a jackhammer couldn’t penetrate it. In those cases, the
SWGK might be the way to go.
SWGK
parts
I love
the SWGK!
only
seven
feet
to go!
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