PS Magazine - MAY 1981
PS, The Preventative Maintenance Monthly
ISSUE 342
MAY 1981
M24, M25/25Al
Masks .
.±
Wher
you
store
YOUr
m±²
and
M25/},Al
pTO³Ec´vµ
,
¶·Sk¸ wih
opdcafinsRtS
(PR¹ºC»I¼½¾¿N gLÀÁÂÃÄ)
chanCes
ARE
ÅHÆ
IN±E
FC²
ÇÈD ÉÊË
·³
´µ¶¸¹mº
±²³
use to
P»OT¼½¾
ÌÍÎ ÏÐÑKÒ
WÓÔ ÕÖ×
´p
ØÙÚÛGÜÝÞ ßàfá.
problem:
The
fiBerBoard
M6AL faceform,
·
used to protect the
masks in storage± does not fit right
with the optica² inserts. The faceform
and 1nserts can make a permanent set
In the rubber during long storage³
Also, the faceform fOrces the optical
inserts against
the masK lens and
damages the lens´
âã
THIS
1ä
On the faceform, draw a line
2Vå
T
Inches down fro² the hIgh point of
the facefoRm³
2æ
Draw a LIne
2%
from that³
2ç
Inches down
l
t
DRAw
LIne
_±²³´´
J
µ¶
t
Cut
oUt
3è
Draw A Line To eAch side of tAb.
2%
dotted
i
lines
4é
With scIssors oR A shArp knife,
-
·
±
- ´
j
¸
1
·
²
-
cUt Along eAch line to the tAb.
DrAw
LIne
5é
CUt the tAb oUt completeLy.
6ê
Do Steps
1
thrU
5
on eAch ´iµe
of tHe facefoRm.
ëì
'
l
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