PS Magazine - TB 43-PS-560
PS, The Preventative Maintenance Monthly
ISSUE 560
JULY 1999
Coat exposed metal with WTR,
then wipe before firing
MICLIC . . .
M198 Towed Howitzer . . .
Complete AVLM mounting instruc-
tions can be found in Appendix J in
the -13&P.
Secure MICLIC with beveled washers
with sandpaper every time the gun is
fired!
here's
how to keep
your miclic
in
place
and
safe
!
lube
attracts
me!
i guess
we'll
stick
around
here
for a while.
i hope
they
wipe
the
extra
lube off
my
cannon before
firing!
PS 560
21
JUL 99
PS 560
20
JUL 99
Sand also ruins the wiper seals. When
the seal is lost, there’s nothing to hold
in the oil. Your howitzer is down for
the count.
When you’re finished firing and the
gun tube has cooled down, remember
to put more WTR on the cannon tube.
perators, the lubrication instruc-
tions in TM 9-1025-211-20&P are
pretty specific about what you’re sup-
posed to do when the dry film lube
wears off the cannon tube on your
M198 towed howitzer.
You’re supposed to clean the exposed
area with crocus cloth and then apply
WTR to keep rust from setting in.
If you take your howitzer to a desert
environment, though, you’ll have to go
one step further.
WTR attracts sand like a magnet. So
before firing the gun, wipe off the WTR
with a cloth. If you don’t, the sand and
WTR gunk up inside the bearing unit.
That’s like rubbing the cannon down
You will also need eight
3
/
4
-in
beveled washers, NSN 5310-01-317-
0480, to mount the I-beam to the C-
channels. The U-bolts need eight
5
/
8-
in
beveled washers, NSN 5310-01-373-
6951.
f your unit is mounting the mine
clearance line charge (MICLIC) on the
armored vehicle launched bridge
(AVLB) chassis to make it an AVLM
(M for MICLIC), you sure don’t want
it to work loose.
That’s what will happen if you don’t
use
all
the right mounting hardware.
The mounting rails require four U-
bolts. The bolts can’t be ordered, but
must be fabricated locally from
3
/
4
-in
medium carbon steel rod (AISI 1040-
1045). The instructions are on Page G-
17 in TM 9-1375-215-13&P (Oct 97).
Then, make sure you use all the
washers required.
The deck bolts require six 1-in bev-
eled washers, NSN 5310-01-284-6395.
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