PS Magazine - TB 43-PS-744
PS, The Preventative Maintenance Monthly
ISSUE 744
NOVEMBER 2014
28
PS 744
NOV 14
29
PS 744
NOV 14
Precleaner
Leaves that fall on or near the air inlets get
sucked into
the precleaner. Enough leaves will
restrict airflow
and
lower power output.
if the
AiR CLEANER CLOGGED FiLTER
light comes on,
make the precleaner one of your first checks. While
you’re there, take a
close look
at the baffle seals.
NSN 5330-01-225-6106 gets a new
short
seal.
The
longer
seal is NSN 5330-01-320-3696.
if the seal is missing, loose
or torn,
replace it.
There are two
different
precleaner seals available:
NSN 5330-01-166-5
7
98 and
NSN 5330-01-329-6614.
Then check out the
bottom precleaner seal.
The seal you use depends on the type of
precleaner in your tank. Check your -24P-1 TM to
match the correct seal with your precleaner.
Trees and
bushes make a
good hiding place
for us tanks, but
they can also
result in clogged
air precleaners.
Here’s how
to put the
seal on the
right
way…
You
won’t
get an
airtight
seal if you
install me
like
this!
OK!
My
seal’s
dry!
y’can get me
installed
now!
Precleaner
seal torn?
Cracked, torn
or
missing seals
allow
dirt and oil from the engine to
clog the air cleaner assembly
element strainers.
Baffle seals torn or missing?
Make sure precleaner surface is free of debris
Clean off the old seal and
adhesive completely. You’ll
need a lot of elbow grease
combined with a rag, dry
cleaning solvent and a wire
brush.
1
3
2
4
Spread adhesive,
NSN 8040-00-664-4318, in the
seal groove. Use enough to
hold the seal, but not so
much that it squeezes out
around the seal.
The
right
amount of adhesive keeps
the seal from sticking to the airbox
frame and ripping loose every time
you remove the precleaner.
Apply a very light coat
of adhesive to the
bottom of the new seal
and press it into the
groove with your finger.
Take extra care not to twist the
seal as you put the rounded side
in the mounting groove. A twisted
seal is not airtight.
Let the adhesive dry
completely before you put
the precleaner back in place.
Put a dab of adhesive on a
piece of paper. When it’s dry,
the seal should be, too.
ding!
744 28-29.indd
1-2
9/23/14
3:30 PM
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