PS Magazine - FEBRUARY 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 231
FEBRUARY 1972
I
!1
Think
clean
man, when you cake oil
samples from your airCraft.
OtherWise± the Lab is not going co geE
you an aCCurate reading on an engine±
transmission± gear box or hYdrauliC s²s-
teM. The Lab wiLL
K for aNother samPle±
and that meAns a Lot of extr: s³eat and
·
eLbo³ Grease for your uni´.
Folµow these stePs± bIrdmeChs± to guard
agaInst sending Contaminated s¶mPles.
Score your sam·Ling tubes± bottl¸s and
¹hiPPinG saCks in a Closed Container. Use
the sºPPLies only ³hen you're going co
taKe a samPle.
SAMPLE TUBES:
-
POlYEtHYlENE
:
±²³5´µ¶
_±
²
³
SIZE´
15 -3/8
OD
20 ±3²8
OD
20 ±1/4 OD
30 ±3/8
OD
SAMplE BOTTlE
I
FSN
8125±93H414
MAIl
BAG
fSN
4721±933±4415
FSN
4721±³33´4416
FSN
4721µ933±4417
FSN
4710±168¶1961
Use a new samPling tube co fIll eaCh
bottle co ³ItHi» "¼in of tHe toP and thro³
oºt tHe used cºbe.
Take the samPle whiLe the oiL is still
warm± within
·¸
mInutes of operation.
The reason for chis is that you ³ant a
samPlInG of wear PartICles in susPension.
½artiCles settle co the botto¾ of a sumP
³hen the oiL beComes CoLd.
Q
¿void ContaminatIng your samPLe ³ith
dirE by Kee·ing the Cut samPµing cube
ends and bottle Ca· in an U½ Position.
Àever use mouth suCtion beCause some
oiLs are really toxiC .ÁÁ ÂtaInt HealtHy.
TaKe the samPLe from the same dePth
eaCh time± abouà midway in the reseRvoirÄ
ÀeVer Let the tube couCh the sides or
bottom of a reservoirÅ Æf you do youÇll get
sedimentÈmaybe metal Chi·sɳhiCh
make it imPossible for the Lab co give you
a true reading.
q
Êeep traCk of your samPLing suP
µ
µIes
Ëo none find their ³ay into a reservoir.
That wouLd be asking for ÌOD.
Íhen you taKe Î sample by drÎiningÏ
O
run ofÐ about a ·int of oil co Ñet riÒ of any
seÒiment. Then you
'II
be able co fill the
sÎmpLe bottLe within "ÓinCh of che coP
wIth CLean used oiÔ.
-±²³=
lr!±B.
²³´µ
.±²³
´
"µ¶=·¸¹
º»¼½¾¿ÀÁ
.¹
±
TB
¸¸º»»¸¼º½¼¼º·¸
(¿ug
¾¼)
on sPeCtrometriC oiµ anaLysis shows
1
by ¶he booK
i
you hÕÖ to make a suitable Container for caking a dr×iØ samPle.
·
Ùye the TB for other samPLIng ·ointersÁ
'
On a sPeCial saMPle± foÚ examPle± CheCÛ tHe SPeCIaL box in bµoCk
x
»
of D¿ Form
½¿¸½
and band the samPle bottµe ³Ith Üed taPe or some
9
Ý
otHer obvIous marÞIng. Æf no box is aPPµICabµe± reCord the
ß
reaso» yoº
Y
took tHe samPle in the re¾arks seCtIonÁ Æ»Cµude º»it identIfICatio»
1
Code ³ith yoºr addressÁ The Laà
á
Can then ProCess the samPLe on a
A
PriorIty âasIs.
t
FaCã is± fIll out
all
bloCks o»
ä
tHe form Like the åB saysÁ
Z
The ¿SO¿æ Prçgra¾ does a »umbaHèo»e job i» deteCtI»g
ä
Highé
²
³ear rates of aµumInum± iro»± CHro¾Iu¾± silver± CoPPer± tin± magneê
i
siºm± lead and niCkelÁ
l
Bºt sa¾·li»g ti¾e Is IMPoëtant. Send your saMPle± ³ith the
±
fully completed
fìrm± co yoºr Lab right a³ayÁ
·
¿ quiCk res·onse from the Lab CouLd allo³ you co Pull ·reventive
maintenanCe before an assembLy fìlds uPÁ
À
³
l
´
·
f
µ
¶
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