PS Magazine - TB 43-PS-681
PS, The Preventative Maintenance Monthly
ISSUE 681
AUGUST 2009
18
PS 681
AUG 09
19
PS 681
AUG 09
Dear Half-Mast,
I need to order the interior door panels that come in the side protection
armor kit for M915 tractor trucks. But TB 9-2320-302-13&P-1 doesn’t
show NSNs for those parts. Can you help?
SSG I.V.
Y
our vehicle won’t start. You’ve determined it’s the battery. You can slave it or jump it, or
pull the battery and replace it.
Jumping and slaving are temporary fxes. The problem will return. And pulling the
battery too oFten means that batteries are disposed oF when they could be recovered.
Here’s a better solution, iF your commander approves it. Use a solar trickle charger, NSN
6130-01-558-5371, that plugs directly into the NATO socket oF your vehicle. The solar charger
is a tool that counteracts the gradual discharge and will keep your charged batteries at Full
capacity while they’re sitting in the vehicle, iF the vehicle is sitting in hours oF direct sunlight.
The solar charger is not a charger to recharge dead batteries. It will not generate enough
power to operate anything accidently leFt on such as lights, radios or sensors.
The solar charger has red and green flashing LED lights that tell you when the battery
voltage has dropped below 22 volts, when it is being charged or pulsed, when it is Fully
charged, or iF the unit is not operating due to insuFfcient sunlight.
Dear Sergeant I.V.,
Yes, I can. Those missing NSNs will be added to TB 9-2320-302-13&P-1 in a
future update. In the meantime, go to Fig 4 in the TB and pencil in these NSNs where
they belong. Use:
NSN 2540-01-571-0251 for Item 15, PN 0257040912-00 (right hand);
NSN 2540-01-571-0255 for Item 15, PN 0257040913-00 (left hand);
NSN 2540-01-571-0247 for Item 16, PN 0257047760-00 (right hand);
NSN 2540-01-571-0244 for Item 16, PN 0257047785-00 (left hand).
Your job is easy. Just secure
the solar panel to the hood,
rooF or deck oF the vehicle
with a hook-and-pile strip,
connect it to the NATO socket
and let the sun do the rest!
When
the
vehicle
goes
For maintenance, you can
remove the charger and leave
it at the unit until the vehicle
comes back.
M915 ±OV…
Armor Door NSNs
Vehicle Batteries…
Solar
Pulse
Charge
Them!
we’re gonna need new
interior door panels for
our m915, but I can’t find
the nsns for these parts.
well,
let’s write
master
sergeant
half-mast!
he’ll let us
know what
to do!
Inside the “box” there’s a circuit
board that produces a high frequency
pulse to enhance the charge current,
plus a 3 LED light battery monitoring
system to keep you aware of the
condition of your batteries
The 9” X 11” solar
panel is mounted on an
angled box for better
solar collection and will
supply 200 milliamps
at 28 volts and produce
1
/
2
amp-hour of charge
current per 24 hours
of sun.
the
battery
is dead
again!
that’s it!
I’m going to
get a new
battery!
don’t turn in those
batteries, just use
a
solar trickle
charger!
681.18-19.indd
1-2
7/7/09
3:03:04 PM
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