PS Magazine - TB 43-PS-691

PS, The Preventative Maintenance Monthly

ISSUE 691

JUNE 2010

PS Magazine - TB 43-PS-691 - Page 22 of 33
40
PS 691
JUN 10
41
PS 691
Stuff One
The antenna support sleeve, Item 2 in Fig 5 of the parts manual, is not NSN 5985-01-
072-8016. It’s NSN 5985-01-326-5533.
The antenna support sleeve, Item 10 in Fig 5 of the parts manual, is not NSN 5985-01-
072-8015. It’s NSN 5985-01-327-1448.
Stuff Two
Item 3 of Fig 5 of the parts manual high-
lights the strain-relief clamp, NSN 5975-
00-563-0229. You are issued one clamp.
Para 2-4 of the -13 TM shows you where
to attach it to the upper guy plate of the
mast. However, one strain relief clamp has
been found to be inadequate to relieve the
strain. Another is needed at the bottom of
the antenna. So, make sure you have two!
Some Soldiers have stopped using the
clamp in favor of electrical tape, NSN 5970-
00-419-4291 (NSN 5970-00-723-5413 in
extremely cold weather), or wire ties. Both
of these methods work and give you more
flexibility in where to take the strain off
the cable. You should already be using the
tape about every 5 feet of your cable as
you tape the cable to the antenna to keep
it from flapping in the wind.
Whatever you choose to use, the most
important area to relieve stress is at the
cable connector where the cable connects
to the feedcone.
Put a small bow
or loop in the
cable just below
the feedcone and
tape the cable to
the uppermost
section of
the mast.
Also, to keep the clamp from slipping,
rough up the diamond pattern a bit with a
±le. Don’t overdo it. Just scuff it a bit. The
clamp will hold better.
OE-254/GRC Antenna…
Everything
You Need
to Know
you won’t find any changes
made to tm 11-5985-35
7
-13 (Feb
91) for the oe-254/grc antenna
group, nsn 5985-01-063-15
7
4.
neither will you find any changes
made to the antenna’s parts’ manual,
tm 11-5985-35
7
-23p (june 88).
therefore, everything you need
to know about the oe-254
antenna, without exception or
correction, can be found in
those two tms.
right?
wrong!
stuff has happened to the
antenna over the last 20 years—
stuff in supply and maintenance—
that you
need
to know.
and
guess
what?
we’re going to
tell you about
that stuff!
Rough up
diamond
pattern
Put a bow in
it and tape it!
Use two
strain relief
clamps
691.40-41.indd
1-2
5/4/10
4:38:07 PM
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