PS Magazine - TB 43-PS-446

PS, The Preventative Maintenance Monthly

ISSUE 446

JANUARY 1990
PS Magazine - TB 43-PS-446 - Page 9 of 47
2.
Depress the fRont sight detent
and give IT a drop o± two oF lube. Work
the de²ent and sight Up aNd down
uNtIl it moves smoo²h³ ´eturn tHe
sight to µ¶s origiNal pos·tion¸
3.
On the rear sight, sqUi¹ a dºop
or ¶wo of lube on alL moviNg parts»
´otate the windage and elevation
knobs to work the lube in¼ ´eturn the
windage knob to its origi½al posit¾on¼
A 1ROP HEre
aNo Th±²³
f
4±
¿Urn the Upper Àeceiver upÁ
side-down and remove the charging
handle¼ Put a Few drops of lUB on
the bottom of Âhe elevation screw
sÃaFt and the detent spºÄng hoÅe¼
With the Æeceiver stilÇ Upside-downÈ
move the eÉevation knob back and
ÊoRth several times» ´etUrn the elevaÁ
tion knob to its oÆËgInal posÌtion³
5
ÍF the wÎngs that pºotecÏ Ðhe
FÑonÒ sight are bentÓ tell youÔ arÁ
moreÀ¼ Õe can stÔaighten them³
J´n 90
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