PS Magazine - TB 43-PS-732

PS, The Preventative Maintenance Monthly

ISSUE 732

NOVEMBER 2013
PS Magazine - TB 43-PS-732 - Page 5 of 33
7
PS 732
NOV 13
Fuel
Cap
PM
Key
to
Smooth Running
1.±
Grip the tang in the center of the fuel cap with a pair of
pliers and pull the screen out.
Y
our M113-series carrier is a reliable workhorse, but only if you take good care of
it. That means paying special attention to the fuel system.
Dirt, sand and other contaminants can land your vehicle in the repair bay if you’re
not diligent about PM on
every
component of the fuel system, including the fuel cap,
If you forget to clean the screen cap and rubber vent grommet on top of the
fuel cap, the cap gets plugged with dirt, creating a vacuum and causing fuel Fow
problems. So clean the cap and grommet every six months—more often in dusty or
sandy environments.
Pull out the fuel strainer
inside the ±ller neck before
screwing the fuel cap back into
place. If the strainer is clogged
with sediment, clean it with
solvent and inspect the strainer
for cuts or tears.
Then check underneath the bottom of the fuel cap. Dirt and sand can collect around
the ±ller neck, keeping the cap from screwing on properly. That can bend the metal
lip inside the fuel tank opening, which can damage the gasket on the underside of the
fuel cap.
Before you open the fuel cap, make sure to brush away any dirt or sand ±rst. And
then make sure the ±ller neck area is clean before closing the fuel cap.
If you ±nd
damage, replace
the strainer using
2.±
Take a close look at the
grommet in the fuel cap.
If it’s damaged, replace
the entire fuel cap.
3.±
Clean the screen cap with
dry cleaning solvent.
M113-Series FOV…
following
these steps will
keep your fuel
system
running
strong…
…and
contaminant
FreE!
here’s how
to
inspect and
clean
the cap
and grommet…
Remove
screen
cap
Brush away dirt from
Flter opening before
removing cap…
…to prevent
damage to
fuel cap
gasket
Check strainer
for damage
after cleaning
uh-oh!
you’re not
running good…
what’s up?
eHh… a lack
of fuel cap pm
has me
down.
732 06-07.indd
1-2
9/23/13
3:01 PM
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