PS Magazine - TB 43-PS-694

PS, The Preventative Maintenance Monthly

ISSUE 694

SEPTEMBER 2010

PS Magazine - TB 43-PS-694 - Page 28 of 33
53
PS 694
SEP 10
I
f you still have gas-powered M12A1 decons, you are
way
out-of-date. All the M12
gas versions should have been traded in for the diesel M12 by now.
If you still have the gas version, the Army wants to know about it. Please contact
TACOM-RI’s Derek Meredith at DSN 786-2749, (586) 786-2749, or email:
derek.b.meredith@us.army.mil
He will provide disposition and shipping instructions for your M12.
I
f you mount your M12A1 decons on FMTV trucks, you now have mounting help.
An FMTV mounting kit can be ordered with NSN 4230-01-510-0256.
For mounting the M12 on 800- and 900-series 5-ton trucks, you are left with two
choices, ratchet straps or angle iron. NSN 3990-01-204-3009 brings straps rated for
up to 10,000 pounds.
For the angle iron, cut a piece to ±t each skid of the M12, heater, and tank. Drill
two holes in each piece of angle iron and bolt them to the truck bed. But it’s still a
good idea to use the ratchet straps, even with the angle iron. Just make sure to remove
the straps when you’re ready to operate so that they don’t interfere with the M2
heater top cover.
Diesel Differences
There are a few differences with the diesel
version you need to remember. You don’t
need to remove all the engine compartment
panels for the diesel. Just the back one will
do. But don’t forget it when you do operate.
Otherwise, the exhaust has no place to go.
Changing the oil is much easier with the
diesel. Change the engine oil after the ±rst
20 hours of operation or at the end of the ±rst
month after you receive the M12. After that,
change the oil every 100 hours of operation
or annually, whichever comes ±rst. When
you check the oil, make sure the M12 is on
level ground and the engine is stopped.
The oil from the diesel drains
slowly and it may take two hours to
completely drain it. Run the engine
for at least 5 minutes before you
change the oil and follow the proper
shutdown procedures when you turn
off the engine.
Slowly pour 1
3
/
4
quarts of new oil
into the ±ller cap hole, periodically
checking the dipstick for the proper
±ll level. After you’ve ±nished adding
oil and installing a new oil ±lter, run
the engine for 1 minute and look for
leaks. Stop the engine and wait a
couple of minutes. Check the dipstick
to make sure the oil level is between
the tick marks.
Are Your M12s
Diesel Yet?
Are Your M12s
Diesel Yet?
M12A1 Decon…
Mounting Help
Remember to take off
back panel to operate
did you
hear? they
now have
a mounting
kit for us.
that is
good
news!
hey, wait
a minute,
you’re
gas
-
powered!
you shoulda
been traded in
for a diesel a
long time ago!
gee whiz!
y’mean
I coulda had an
early retirement?!
hey,
you can’t
check my oil when
I’m like this!
M12A1
Decon…
694.52-53.indd
1-2
8/4/10
11:30:10 AM
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