PS Magazine - TB 43-PS-458
PS, The Preventative Maintenance Monthly
ISSUE 458
JANUARY 1991
Do not uNscrew the baRrel moRe Than
5 clicks IN sTeps L-± BeyOnd the fIRsT
2
cLIcks
(7
IN aLL). ²f you have to go
beyond that, TuM The gun IN To youR
armoreR FoR INspectIon³
HeadspAce Too Loose
´f the µ¶ G¶ end Fits· headspace is
Too Loose³ CoRrect Loose headspace by
doINg the same ¸ steps used FOr Too
tighT headspace¹ ºuT INstead of uN»
scRewINg the barRe¼
1
cLIck½ screw It in
1
cLick¾
¿epeaT The Five steps unTil G¶ FITs
And µ¶ À¶ doesN'ÁÂ
TimIng
ÃfteR The headspace Is rIghtÄ you
musT adjusT the timingÅ
One
.
¹
±
PuLL the bolt all the way back
To cock The guNÆ ÇheN ease It ÈÉrward³
Two
.
²
¹ ÊuLl the bolt Back faR eËough
enough to inseRt The µ¶ ̲¿E gage beÍ
TweeË the BarReL exTension and TRunNion
bLockÎ
SLowLy
reLease
The
chargiNg
handleÏ ²nseRt the BeveLed edge of The
timing gage againsT The BaÐReL notchesÅ
Jѵ 91
thrE
ÒÅÒ ÇrIp The trIggerÅ ²f the
M±
wonÓt fiRe· go to the NeXT step³ ²F Ôt
does FIre· you've got earLy TImÕngÖ
FouR
ÒÅ
³
×uLL the Bo¼t back juØT far
enough to Remove The µ¶ ̲¿Ù gage
aNd InseÐT the ̲¿E gageÆ SlowLy ReÍ
Lease The chaRgINg handleÅ
Fiv²
Ú
.
¹ Ûrip the tRIggerÜ ÝF the
M2
Þiresß àImáng's ¶KÒ ²f iT doesn'T FiReâ
TimIngãs LaTe¹
EArly/±Ate ²im³Ng
äake these steps to adjusT ÞÉR earåy
or late TimINgÒ
CæUDz¶µ: µever cock youR
M±
wiTh the Back plate oFFÒ Çhe dRivINg
Rod sprçNg caË shooT INTo youÒ èhe boLT
muéT be FoRwaRd beFêRe removINg the
back pLaTeÚ
ONe
¹ÆÏ ¿emove
The
gageÖ
Cock
youR
M±.
Ease the BoLT ërwardÏ
³wo
..¹ ¿emove The Back pLaTe.
5
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