PS Magazine - TB 43-PS-668

PS, The Preventative Maintenance Monthly

ISSUE 668

JULY 2008
PS Magazine - TB 43-PS-668 - Page 12 of 33
20
PS 668
JULY 08
21
PS 668
Magazine
— No matter
how well you take care
of your weapon, it will
be useless if you don’t
take care of the maga-
zines, too.
Take each magazine apart and run
a clean cloth through each tube until
all dirt is gone. Wipe off dirt from
the spring and follower. Lightly lube
the spring. If the spring and follower
come apart, you need a new magazine.
Don’t try to reattach them.
Eyeball all seven magazines for
dents or corrosion that could cause
feeding problems. Turn in dented or
corroded magazines. While loading,
don’t jam the feed lips of the magazine
against a table or anything else hard.
That’s what bends lips.
In
the
Feld,
you
can
protect
magazines by keeping them in their
Forward assist
— If the for-
ward assist won’t budge, you
may not be able to lock the bolt
forward. Squirt one shot of CLP
in the forward assist port inside
the
upper
receiver.
Run
the
forward assist back and forth
until it’s moving smoothly.
Buttstock drain hole
—
If the hole’s clogged,
moisture collects inside
the buttstock and soon
corrosion is chewing up
the lower receiver. Run
a pipe cleaner through
the hole.
Windage
and
elevation
knobs
— If the knobs stick,
you can’t adjust the rear sight.
Put one or two drops of CLP
in the hole in front of the rear
sight aperture and on each
knob and turn the knobs until
they move smoothly. Return
them to their original position.
Trigger assembly
— If the inner workings of
the trigger assembly get too dirty, the trigger will
bind. The best way to clean out the assembly is to
use your own breath to blow out sand. Then put
CLP on a pipe cleaner and gently clean out any
remaining sand from the assembly.
Takedown and pivot pins
— If the pins stick,
you’ll have trouble disassembling your weapon.
Put a stripe of CLP down each pin and work them
in and out of the receiver until they move easily.
Front sight post
— If the post
sticks, you can’t adjust it. That
mean you miss what you’re
shooting
at.
Clean
around
the post with a toothbrush.
Depress the detent and give
it a drop of CLP. Work the
detent and post up and down
until they move smoothly.
Slip ring
— If the slip ring collects too much sand, you’ll have trouble putting on
or taking off the handguards. Have a buddy hold down the slip ring with both hands
while you work out sand with a dry pipe cleaner or toothbrush. Don’t put CLP under
the slip ring. Lube attracts more dirt.
Keep magazines in their bag
Clean spring and
follower
and then
lightly lube spring
Run clean
cloth through
tube until all
dirt is gone
Foward assist needs one shot of CLP
Put CLP on
windage and
elevation knobs
and work them
back and forth
Run pipe cleaner through drain hole
CLP helps pivot and takedown
pins move smoothly
Work pipe cleaner moistened
with CLP around trigger assembly
Put CLP on sight
post and detent
668.20-21.indd
1-2
6/3/08
3:41:52 PM
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