PS Magazine - APRIL 1978
PS, The Preventative Maintenance Monthly
ISSUE 305
APRIL 1978
You really want this tiptop. Repairs
±²-³´µ
on it are
DSU
(dIrect suppOrt unit) or
hIgher, but your job is to prevent any
need of repaIr¶ The first thing to scan
is your telescope support· ¸f i¹'s
cracked,
rusted
and
gIving
Inº
terFerence, damaged or broken, Has
tHe reference marks pAInted over or
»
scraped off, or If dust coVer and cHaIn
EYESHIELD-Rubber
eye cup rotTing; lens
dirty,
scraTched,
Cracked, moisture visi±
ble
²nside;
e³bOw
'scope
M109
turns
´ard.
'-
-
-±
-
±
²
:
.
.±
·
r± :
¼
Iss
±
²³
½
call
DSU
at once¶
'²
;
":³i
´µ_¶¸¹
º»
,¼-½¾¿
LEVEL VµALS-
G³ass
broken
painTed over, metal covers stucK
i
missing.
ELEVA¶I·N/D¸FLE¹ºI·N S¹ALES»
Screws missing; scale plates loose;
locking latches broken or binding;
locknuts or retain¼ng wa½hers miss±
ing or pins out/loose; setscrews
damaged; marks painted over or
otherwise unreadable; segMe¾Ts of
scales binding on each other;
microm¿ter scales ÀefecTiÁe (¹hecK Ã
boresig´t aÄsoÅ)
·
DÆFLE¹ÇI·NÈ ELEÉAÇI·N ÊN·BSË
Ìroken, springͳoaded pins weaK
I
miss¼ng;
locKing
knobs Too
Îight/broÏen/missing; turn too TightÍ
ly; grinds wiTh dirt/sandÅ
Ð
¹·NÇR·LS-BroKen, springÑloaded
pinÒ weak/Óissing; locking knobs
too tighT/looÔe/broken/sTickingÕ
NOT:
You do not use eiTher angle of
sight scale with the 81-mm mOrtar
and yoq do not use the ligh
t
projector
.
Fr angle of sight scales±
But do keep them all iN good shape;
you may not Keep that paRicular
m53
sight unit all your life±
Paint is
not
included in the things
you use on sights and optics± ²he
only people wh³ paint these items
are at
DSU
or higher´ You never paint
anything on this weapon except the
²
base plate and bipoD where rusµ
hits¶and Even then you
spot
pAint±
´
µ
·
À
,Jj
{ .
³
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