PS Magazine - TB 43-PS-452
PS, The Preventative Maintenance Monthly
ISSUE 452
JULY 1990
wo TOW c±mp±nents that ±ften get
±verl±±ked duRing
PMCS
are the
t
R
ip
²d
and launch ³ube,
mostly
because they
seem s± sImPle and basIc.
If
you miSs
things lIKe cracks ±r bad fEe³´ th±ughµ
³hey can Cause ³he ¶OW system
To
shatteR ±r c±llapse duRing FIrIng·
BUt it's sImple t± ¸eeP the tRip±d and
¹ube ±n
±
h
e
i
r ±Oes:
Eyeball ±he
ºriP±d F»r cracks in ³he
cr±ssbars ±n all f»ur sIdes¼
IF
yoU spo±
any cracks½ get a new t¾i
po
d
.
cra±ks ²n the ±Rossbars
mean the tr³pod ²s unsa´e
Tes³ ³¾iP±d fee¿ by
pU±±ing YoUR fot
on
each
±rIpod F²o±
And
geN±ly
pushIng
up
²n the triP²dÀ ÁÂ a
F²o± gives, ³epo³±
JUL 90
7
iT.
The f±±³'S pIn is w±rÃing
oU±
and
³he Ä»±³ c±uld c±me
o´
duRing
fiµ¶Ng·
ÅyebaLL InsIde and ±utsIde the Launch
tubÆ Ä»r cracKsÇ
If
you sPo± any
l±ngeR
than
l
Y2
incHesµ
rep±r³ ItÈ
I
±
'
s
un
sa
¸
.
¹º you spot any ±ra±ks 1» ²n±Hes oR
lonGer, tu¼½ ¾n the laun±H²n¿ tuB
engRAVed¶ ins±ead o
f À
a
i
n
±
e
d
±
En
gra
V
-
inG
weakens the
tube.
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