PS Magazine - TB 43-PS-414
PS, The Preventative Maintenance Monthly
ISSUE 414
MAY 1987
I
l1±
.
±
iI
soO
,
en
jack
3.
up a $2 millioN aircraf and start crawling around
±
±
d und
e
²
)
³
{
it, you betTer be
R
sure the jacks can do the job²
±
·"
²³
IF a wo³ out or poorly Main´µed jack ¶·ls, neither you nor your aircraf May
get back up in one piece²
I¸SPct and lube all hydraulic jacks Priodically as called ¹r in your º»'s²
l
R
Che¼k the \Ydrauli¼ ½uiD reservoir o¾ your ¿-ton ÀÁipoD Ja¼K Daily² »aKe sure
the ½uiD level is withi a Hal¾-i¼H o¾ tHe bottoM o¾ the ÃlLer plug holeÄ ºop it
oÅ wiTh »IÆ-ÇÈ56É Or »IÆÊÇË68¿ Hydrauli¼
½uiD i¾ iÀÌs loW²
ÆuBe Íe puMp rÎKer
a
and
l
pi¸s weeÏlY
wiÐ oil, Ñ-Æ-7870² ÒÓsH
a ligHÀ
f
o¾ the saMe oil
on the Ja¼K's
r
a
caSÔr
legs MonÐLYÕ
Öu× tHe leg ¼aSter HoØ
Ùgs anD WhEl Úgs
wiÀh GÁease,
M-G-´04.
ÆuÛÜ HoÝ Ùgs MonÞß
A
wàál
bg
qâYÄ
'Course, DoÂ'À WaãÀ är
scHåuLå lU× SærVice
i
AY
o¾ Íe lube çinÀs looK DÁY
or shoW eviDæn¼e o¾ lubæ
¼onèationé
grease horn And µ_
wheeL bear¶N·s
êÀ least eveë ¿ monÍs, eyeball your
j¸'
coMponentS är strUctural de¾ects
anD cra¼ìí I¾ You ÃnD anY, Donît take
±
cHan¼esïrepla¼e the parTs² ðou also
neñD to have the JacK asseMbly testeD like iÀ says ò óara's 4-ôÉ through 4õ¿ô o¾
T
55Ê17¿0-ô2ô-1ô:
önce a year, pur÷e and ½ush The hyøraulic sùsteM anD reÃLl iÀ With úIû-ÇÊ5ü
hyDrauli¼ ýuiD² þhen Have iÀ tesÔD Pr óara's ÿĀôÉ ārougH Ăõ¿ô o¾ Àhe º»²
Òeäre
ă
ea¼H sĄHeDuleD lubricaÀion
and inspe¼tioną givæ Your Ćacks a good
¼leaćgĈ
ĉse a MãLd deÀærgent soluÀion to Wash
Ċhe pai¸tċD sUČacæs o¾ Jack legs, outer
cylòDers, Headą base anD ¾čtpaDs² ºhe
saMe deÀergeÂt You use Ào wasH Your
aircraĎďĐÆõCÊô57É9đw·ĒL do Ðe JoB²
ēĔē É850ĕĖ9¿5-0995 geÀs a 55õgal
dÓM o¾ Íe ¼lea¸er²
Clean Íe se¼ond stage raM
L
cup,
raM locėuÀs and puĘp assemblY WiÍ
a ¼lean ęLoÀh lighĊlY MoisteÂed wiĊh dë
cleaÂã¸g solvent óĚěõÉ80²
CLeaN w¶th
P¹Dº68»
Òe
c
noÀ Ào geÀ anY solvent or ĜLĝÂg ¼oMĞuÂD òto ÀHe hYDraUlğc sYstem
or on luBÁãcatæD areas² ĔolventS anD ¼LĠÂg solutão¸S noÀ oġY DãLUtæ HYDraULi¼
½uiD anD luBĢcaÂÀS, āeYģlL ¼ause rapiD wĤr anD ĥĦħagæ to ¼oMĞne¸Ĩĩ
'Coursæą aÂY ĪMe You use a solveÂÀ, Mīæ suræ Ĭou'Áĭ ğ a WeLl-veÂÀiLiaÀæDĮ
aræaĩ
W
glovæs anD gįgglæs Ào İı iÀ oÅ YoUÁ sIJÂ aÂD oUÀ o¾ YoUr eYæs²
l
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