PS Magazine - TB 43-PS-694

PS, The Preventative Maintenance Monthly

ISSUE 694

SEPTEMBER 2010
PS Magazine - TB 43-PS-694 - Page 10 of 33
16
PS 694
SEP 10
17
PS 694
SEP 10
Dear Editor,
When we (the FMTV team) at TACOM LCMC published Maintenance
Action Message (MAM) 09-018,
P S
wrote about it on Page 16 of PS 681
(Aug 09). However, the PMCS driveshaft inspection tolerances given in
that maintenance message were wrong! They’re called out in reverse.
That’s why the paragraph found in the last bullet of that
P S
article should
be corrected to say:
Perform the driveshaft
hinging inspection. No more
than
0.020
inch of play is
allowed. Also, perform the
radial end play inspection. No
more than
0.006
inch of play
is allowed. After the inspection
is done, lube your truck’s
driveshaft universal joints.
We’ll tell the field to correct
their MAM. Would you get word
about this change to
your readers?
Paul Kaminski
FMTV Equipment Specialist
TACOM LCMC, Warren, MI
Dear Half-Mast,
We hear there’s a new NSN
for the DDEC III/IV engine used
on M1074/M1075 PLS’ with the
Allison 4500SP transmission.
Can you tell me what it is?
SSG D.B.
Editor’s note:
Consider it done,
Paul. Thanks for this important
update. Also, FMTV operators must
lube the driveshaft monthly.
Dear Sergeant D.B.,
I can! You need NSN 2815-01-576-5292.
And if you have any PLS with the old 775
transmission in your unit, keep using the
engine that comes with
FMTV…
Diesel Fuel…
Leftover
Fuel Rule
Proper lubing
prevents
engine block cracking
PLS…
DDEC III/IV Engine NSN
operators,
your field
exercise is
over and
you’ve got
partially-
filled 5-
gal cans of
leftover
fuel.
what do you
do with it?
you put the
fuel into any
vehicle that
needs it, but
don’t
store it
in the can!
stored cans
get moisture
inside of
them from
condensation
and rain.
moisture
contaminates
fuel.
contaminated
fuel can ruin an
injector pump
and shorten the
life of an engine.
storing
fuel is also
dangerous.
a spark
could blow
up the can,
the storage
shed and
anyone
nearby.
hey, pal! do you
know the right
amount of play
allowed for
my driveshaft
hinging?
…uh…
?
694.16-17.indd
1-2
7/23/10
1:41:04 PM
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