PS Magazine - AUGUST 1980
PS, The Preventative Maintenance Monthly
ISSUE 333
AUGUST 1980
I
1
·
I·
i
-.±²
When. you work on the fixed fire
extinguisher system on your Ml lOAl,
M110a2, M107 or M578, don't
remove the s±fety pin from the Left
Fire eXtinguisher cyLinder²
TM³s 9-2300-216-20, 9-2350-238-
20 ±nd 9´2350-304-20 ±re i eRror²
You shouLd noµ puLL the s±fety pin
when you insµ±¶¶ the cy¶inder² ·he
extinguisher wi¶¶ work with the pin in
when the ouµside or driver's comp±rt¸
ment C±bLe h±ndLes ±re puL¶ed²
If the s±fety pin does get puLLed out
du¹ing the remov±¶ of the cºLinder,
m±ke sure you put it B±ck ±fµer you
rep¶±Ce the CyLinder²
THe¹e³s no »ore gUess¼ork ±s µo
µhe re±Diness o½ µhe ½i¾eD fi¹e ex¿
µingÀishe¹ sÁsµems in µhe M48/M60
se¹ieS µ±NKsÂ
ÃoÀ no ¶onger NeeD µo re¶y on
e±Si¶ÁÄbÀsµeD
ÅnD
o½µenÄDis¶oDged
p¶ÅSµiC CÁ¶inDe¹ s±feµÁ indiC±µors²
Æo¼ µHe¹e³s jusµ one ±CCepµ±b¶e w±y
o½ »ÅKing su¹e the Cy¶inDers in you¹
µÅnKÇs ½i¾eD ½ire e¾µinguishe¹ system
±re ½u¶¶ ±nD ¹e±Dy µo Do tHe job ½or
ÁouÈWEÉGÊ ³EM!
•
Remove and weigh each
cylinder.
A
·
cylinder must be
recharged/repLaced if its weight
loss exceeds 10 perCent of the
difference betweeN the full and
empty weIght stamped on the head
OF the cylinder± The M48/M60
series tanks have 10-lb cylinders²
³f the cylinder weight has decreas´
ed by mOre than one pound from
µhIS
¶Y¸iNDE¹ ºuS»
wEiGH A»
¸eAS»
351/
PouNDS
o¹ I» GoeS
BA¶K »o
DSU
fo¹ ¹E¶hA¹Gi¼G
±
½heck »he safety release
indicator¾ Re¿ove any pieces of
broken or da¿aged plastic safety
release indicatorÀ
ÁEºove
SafetY
¹eLEAse
iNDi¶a»o¹
±
Âet a piece of 1Ãin diamete¹
Äeat shrÅnk tubing,
NSN
5970Ã00Ã
822Ã2775² ½ut a %-in piece of the
tubing, making sure that the cut is
at right aNgles with the round part;
of the tubing²
Æu» 3ÇÈIN
pIE¶e oÉ
»UBiNG
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