PS Magazine - TB 43-PS-669

PS, The Preventative Maintenance Monthly

ISSUE 669

AUGUST 2008

PS Magazine - TB 43-PS-669 - Page 13 of 33
23
PS 669
AUG 08
Dear Half-Mast,
We need repair
parts for our M66
ring mount. But the
M66’s new TM 9-
1005-335-13&P
hasn’t come out
yet. Where can we
go for part NSNs
and maintenance
info on the M66?
SSG R. R.
Dear Sergeant R. R.,
The holdup on the new TM is that it hasn’t been formatted to the new two-level
maintenance plan. When that is completed, the TM will be published.
In the meantime, you can see parts of the
draft
version of the TM:
After you log in with your AKO password, click on VIEW DOCUMENTS on the
left side of the screen. This will take you to a list of documents that includes parts of
the TM, such as unit maintenance and repair parts and their NSNs.
Watch PS for word on when TM 9-1005-335-13&P
is to hit the Feld.
DRAFT
TM 9-1005-
335-13&P
DRAFT
T
he M2 machine gun’s quarterly inspection
criteria in TM 9-1005-213-23&P are a little
cloudy about what’s OK and not OK.
To clear up confusion, TACOM-RI is
adding these steps to the quarterly inspection
of the receiver that begins in WP 0010 on
Page 00-23.
Disassemble the M2 and remove the back
plate, barrel, barrel extension, buffer recoil
mechanism, bolt and drive rod spring.
1. Check the top plate.
Open the feed
tray cover. Using your hand only, try to
move the top plate. If the plate has obvious
movement, send the M2 to support for
further inspection. It’s OK if the top plate
rivets turn.
2. Check the bottom plate.
Turn the
receiver onto the top plate. Grasp the
bottom plate with your hand and try
to move it. If the plate has obvious
movement, send the M2 to support for
inspection. It’s OK for the rivets to turn.
3.
Check
the
trunnion.
With
the
receiver still sitting on its top plate, hold
the receiver assembly with one hand and
use the other hand to grasp the barrel
support. Try to move the barrel support.
If the trunnion has obvious movement,
send the M2 to support for inspection.
It’s OK for the rivets to turn.
Your support unit needs to add this
Step 5 to Page 00-3 in WP 0034:
5.
Measure
between
the
riveted
components by using a 0.010-in feeler
gauge, NSN 5210-00-221-1999.
Check the rivets on the left and right
sides of the top plate, the left side of the
bottom plate, and the left and right side
of the trunnion. The right side of the
bottom plate doesn’t need to be inspected
if the charging handle is attached. If the
feeler gauge can Ft between the riveted
components and contact the rivet for the
entire length of the inspection area (at
each rivet, in other words), the receiver
is condemned.
M66
Mount Draft TM Online
M2 Machine Gun…
M66
thank goodness they’ve put
this information online so we
don’t have to wait for your
new tm to be published!
yeah,
now
you can order
those parts to
get me fixed!
Support checks trunnion rivets
Check top plate for looseness
Do the same with bottom plate
I can’t tell
from this if it’s
ok if your top
plate moves.
we
better
find
out.
it might be
dangerous
to fire me!
Quarterly
Inspection
Fine Tuned
Mount Draft TM Online
669.22-23.indd
1-2
7/7/08
6:13:34 PM
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