PS Magazine - MARCH 1985
PS, The Preventative Maintenance Monthly
ISSUE 388
MARCH 1985
Inspection Before Firing
v
Visually check the gun bore fr
wear and defrmation oF lands and
grooves. Look fr pitting and ±aws. IF
tHe ²ands or grooves are defrmed or
pitted, or iF you see cracks inside or
outside the tube, let your organiza-
tional maintenaNce hear about it befre
you ³re the guN.
18
v
Look fr powder fuling and
rust. Don't con´se bore coppering
With powder fu²ing and don't µOok fr
a shiny, polisHed tube. Coppering,
wH¶cH is shiny·looking streaks, is ¸K
and should not be removed. A clean
bore may o¹en have a dul² gray appear-
ance. IF it's shiny, the bore may have
been c²eaned with abrasives, which is
not permitted.
º
IF you see
p
oWder fuling or rust,
cle»n the tube as described iN the a¹er-
³ring service.
Serv±ce Before Firing
Do this service befre you ³re the
gun:
V
Instal² the wiper ring or bore
brush on the end oF the cleaning sta¼.
½rap a clean wiping cloth tightly on the
Wrap
cloth
tightly
ring or brush so that the c²oth makes a
good
¾
³t in the bore.
MAR 85
v
½ipe the bore with a push·pull
motion ¿om one end to the other. Add
aNotHer sta¼ section as needEd to do the
job. Get aÀ² bore surÁces cÀean and dry.
Service After F±r±ng
½ait to begiN cÀeaniNg the bore uNtil
the tUbe is cooÀ eNough to touch com-
frtabÀy. ¸therwise, CLP wonÂt cÀean
as WeÀÀ.
V
Apply CLP to a Wiping cloth
wrapped tightly arouNd the wiper riNg
or bore brUsh.
Apply CLP
to cloth
MAR 85
19
v
Scrub the bore ¿om oNe eNd to
tHe
otHer
With
a pushÃpuÀl motion.
LeNgtheN the sta¼ as needed to reach
the ´l² leNgth oF the tube.
v
Äse the bore brusH to remove
any poWder fu²ing not removed by
the c²oth. DoN't wipe the tube dry a¹erÅ
ward. CÀean bore evacuator holes with
C±ean bore
evacuator
ho±es with
soft wire
NExT-Day ²eRv±ce
0
Repeat tHe a¹eróriNg cÀeaNÆNg pro-
cedures.
Don't Wipe the tube dry.
Seco³d-Day SerV±ce
ÇN tÈe second day a¹er ³riNg, Wrap
a CÉPÊsoakeË cÀotÈ arouNd TÈe rÆNg or
brush aNd coat the bore. Make sure to
work tÈe CÌP iNto the bore grooves.
DoN't Wipe the tube dry.
QuarTErly/A´ µeqU±¶ed ²eRV·Ce
CÀeaN ÍitÈ ÎÉÏ.
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