PS Magazine - TB 43-PS-617
PS, The Preventative Maintenance Monthly
ISSUE 617
APRIL 2004
T
he winch, NSN 3950-01-349-2445, used to raise the AB-1373/TRC antenna mast,
is a victim of abuse.
If the winch were a boxer, most of you are treating it like a heavyweight, but it
belongs in the lightweight division. A punch here and there and your winch is down
for the count.
Chances are good that the
winch you’re using has a bent
frame,
squeezed together
mounting brackets or a dam-
aged drum. If bad enough,
any of these things can knock
out the winch and send it to
depot for repairs.
The winch takes its mighti-
est blows during packing and
transport. Pallets are piled on
it and soldiers do a smack-
down when they toss it or
drop it to the mat.
No need to put on the kid
gloves when dealing with the
winch, but do take a couple of
precautions.
Label the winch carrying bag with DO NOT DROP!
When storing your antenna for movement, put the bag and the winch in your shel-
ter, or on your trailer, last. Find a safe spot for it where there will be no piling on.
Mounting brackets
squeezed together?
Write
DO NOT
DROP
on bag
Then element won’t fit
PS 617
APR 04
43
SINCGARS…
Here’s how it happens: the SINCGARS mounting
base, MT-6352/VRC, branches vehicle battery power to
both the vehicular amplifier adapter (VAA) and the loud-
speaker. When you switch off the VAA power switch,
you stop power from going to the VAA and the radio, but
not to the loudspeaker!
The speaker is still on and draining your vehicle’s bat-
tery. To stop power to the loudspeaker, you must switch
it off, too!
So maybe you’re a
rebel and you don’t
want to turn both
switches off. Okay.
There’s room for your
rebellion. Just turn the
loudspeaker switch
off! That switch stops
power to the VAA and
the radio, too!
So remember, the loudspeaker switch gives you three
for the price of one, but the VAA switch only gives
you two!
AB-1373/TRC Antenna…
la la la
I’m draining the
battery!
la la
I’m draining the
battery!
We
gotta
pack you
up and
ship you
out!
let’s go,
winch.
I’d rather go up
against
that
guy
than suffer you
guys mistreating me!
it’s a
real
drain!
man, he’s
really tiring
me out!
there
is
a solution
The Loudspeaker’s a Drain
lalala-
eep—{}
no
way!
The LS-6
7
1/VRC
loudspeaker used
with your SINCGARS
vehicular radio might
be
draining
your
vehicle’s battery.
617. 42-43 (C)
2/28/04
12:49 PM
Page 1
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