PS Magazine - TB 43-PS-721

PS, The Preventative Maintenance Monthly

ISSUE 721

DECEMBER 2012
PS Magazine - TB 43-PS-721 - Page 30 of 33
57
PS 721
DEC 12
•±Make±sure±the±mission±control±unit±trainer±
(MCUT)±power±switch±is±OFF.
T
he±Spider±training±device,±NSN±
6920-01-570-0648,±allows±Soldiers±
to±simulate±using±the±munition±
control±unit±(MCU)±without±
having±to±fire±Class±V±munitions±
or±be±on±a±firing±range.±The±only±
thing±the±Spider±can’t±do±is±launch±
a±Class±V±munition±like±a±Claymore±
M18A1±through±the±munition±
adapter±module±or±fire±the±
miniature±grenade±launcher.±
± The±munition±control±unit
must±be±sterilized±after±a±safety
or±system±malfunction.±A±
sterilized±MCU±can’t±power±up
or±fire±any±munitions.±
A
n MWO has just been released that will upgrade the M224 60mm mortar, NSN 1010-01-
020-5626, to the M224A1, NSN 1010-01-586-2874.
MWO 9-1010-234-23-1 reduces the M224’s weight by 25 percent and makes the mortar
easier to maintain and operate. The MWO will be done by teams that are traveling from
post to post.
The M67 sight unit and M8 baseplate are the only M224 components that can be used
on the M224A1 besides the M224’s basic issue items (BII).
Before you fire the M224A1 for the first time, your support will need to borescope and
do a pullover inspection of the new 60mm cannon.
For more information about the new M224A1, see TM 9-1010-233-10 or contact Tony
Villacis, DSN 786-1224, (586) 282-1224, or email:
±
anthony.k.villacis.civ@mail.mil
•±
Remove
the battery
cover.
•±
Remove the
battery tray/
extended range
tripline sensor
(ERTS) from the
inside of the Spider.
•±
Reinstall the
battery tray/ERTS.
•±
Do the
BIT test to
make sure
the Spider
is working
right.
MWO
Upgrades
M224
Munition Control Unit Trainer…
HOW to
Reset
Your
Spider
M224 Mortar…
MWO
Upgrades
M224
now that
we’ve
finished
practicing
sterilization,
you need to
reset
me.
here’s what
you need to
know…
my gosh, the
mwo really
transformed
you!
yeah, I
feel like a
brand new
mortar…
…and
lighter,
too!
the spider lets you
simulate
sterilization.
but when you’re
finished, you must
reset
the spider.
here’s
how…
721 56-57.indd
1-2
10/26/12
3:42 PM
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