PS Magazine - TB 43-PS-713

PS, The Preventative Maintenance Monthly

ISSUE 713

APRIL 2012
PS Magazine - TB 43-PS-713 - Page 7 of 33
10
PS 713
APR 12
11
PS 713
APR 12
Dear Half-Mast,
I used the maintenance allocation chart (MAC) in TM 9-2320-326-
14&P (EM 0288) to order parts for my unit’s HEMTT -A4. I think Table
2 (Tools and Test Equipment) needs to be updated because the NSNs for
Item 17, the arbor press (gauge); Item 71, chemical oil protection gloves; and
Item 125, refrigerant reclaimer, aren’t good. Which NSNs bring these parts?
SGT I.D.
Dear Half-Mast,
I’m with FMS #4 in Santa
Rosa, CA. Our unit just
received four new –A4
HEMTT tankers with the old-
style ground wire clamps.
These old-style ground wire
clamps are known to fall apart
from rust and broken springs.
Is there a better clamp in
the supply system?
SSG K.M.
Dear Sergeant I.D.,
You’re right. The NSNs for those parts are listed incorrectly in the IETM. Note
the following NSN changes:
•±
The arbor press (gauge), Item 25, NSN 5120-00-613-3779,
should be changed to
•±
The gloves, chemical oil protection, Item 106, NSN 8415-00-641-4601,
should be changed to
•±
The reclaimer, refrigerant, Item 107, NSN 4250-01-396-8928,
should be replaced with
You should see these corrections when the HEMTT -A4’s
IETM is updated.
Dear Sergeant K.M.,
You bet!
Order a new, durable clamp that comes
with NSN 5999-00-134-5844. The new
clamp is a snap to install.
Just remove the old clamp, snip off the
wire eyelet if there is one, and Ft the wire
into the new clamp. Use a
3
/
32
-in hex wrench
from the General Mechanic’s tool set to
tighten the clamp’s handle screws to the
ground wire.
HEMTT -A4…
HEMTT -A4s…
MAC Update
Use Replacement Clamp
some of
the nsns in
this tm are
wrong!
I didn’t order
a
plunger!
but
that’s what I
got!!
now I don’t know
how to get the stuff
I need!
how are we ever
going to solve this
mac mystery?
I’Ll send
TACOM a
2028.
Hi, I just
got into town
and I’ll be
replacing
you!
but I’m just a
little rusty with
a broken spring,
I’m
still
ok,
right?
sorry, but it’s
time for
you
to
retiRe.
713 10-11.indd
1-2
2/24/12
2:08 PM
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