PS Magazine - TB 43-PS-443
PS, The Preventative Maintenance Monthly
ISSUE 443
OCTOBER 1989
Paint in the shade or on overcasT days, never iN The suN.
CARC Dries-solvenTs evaporaTe±and Then cures±² chemIcaL reacTIon.
Other paints, like Lacquers, only dry as The solvenT evaporaTes.
CARC will cure ²t temperaTures beloW 50°F, but iT Takes much longer. AT
teMperatUres over l00°F, the process musT be modifIed so The solvenTs doN'T
evaporate Too ³´stµ ¶ithoUT modi³icaTion, The CA·C WoN't sTIcK, and you have
to sTa¸t all over¹
Plan Your Painting
ºix up only ²s mUch painT as you
neeD¹ A quarT o³ polyUreThane topcoat,
epoxy priMer or epoxy enamel will
cover about
I
00 square ³EeT.
1
quar
-10 feet
-
»³ yo¼ 're p²½nt½ng ¾ess Than that, sTir
each coMponent ThoroUghLy, tHen Mea¿
sUre oUt what you needµ Be sure tH²t
yoU Mix the two parts o³ the epoxy
priMer or twoÀcoMponent topcoat in
the proper propo¸tion.
Áse The oneÂpart poLyureThaNe Top¿
co²t ³Ãr spoT paINTINg. Ähere's No mIX¿
iNg o³ componenTs-buT you sTIll have
To sTir it Well.
Once yoU mIX the epoxy primer or
TWo componenT topco²T, They sTarT hard¿
enIng±curing±and NoThIng caN sTop
Them. You have abouT 15 hours ³Ãr the
epoxy or 8 hours ³Ãr The Topco²T To use
them ²³ter mixiNgµ
Åon't sTart Unless you have tIme to
³inIsh. Otherwise, The mIxed painT you
don'T Use will be wasted.
Æere's a timelIne shoWing hoW Long
e²ch
step
t²Çes To cure,
how
long
yoU've goT untIl The nexT step must be
staÈted ²nd the maxImum time allow¿
²ble between steps.
4 hours or less
30
min to
30
min
t
o
7
days
7·14
days
.
r
houRs
l
Prepare
suRace;
feather
edge.
Wash with
detergenT
and wate±.
24 hours
Wipe wIth
thinner;
Coat wiTh
coatIng
compound
(within 24 hou²s
Apply
primer
if possible)
30
m³N
I
Apply
Dry to
topcoat
touch
±
i
Dry
Cured
through
Unit-level
ToUchUp S±ep-by-Ste²
ÉÊere ²re ² Number of sTeps To fÃlloW
WheN you apply CA·C. ˳ you sÇIp a
sTep or T²Ke a shorTcuT, you'lL eNd up
wITh a coaTINg ThaT peels oÌf easIly or
bubbLes Up ²nd ³´lls o̳µ
You
can
apply
CA·C
over
old
CA·C as long as tÊe old p²int Is clean
aNd sound¹ Clean oÍ ²ll rusT, corroÎ
sion, oI¾, grease, moisTure, dirT, and
¾oose or bLisTered p²InT.
ÏÊÐN yoÑ sÒÓÔ Õy Ö²×ÓØÙ ÑsÐ TÊÐ
WÐØ s²NÚ×Óg ÛÐØÊodÜ ÝÞÔÐß Ö²×NTs may
coÓTÒIN ÞÐÒÔÙ càoÛ²ØÐs oß oØÊÐß Toá×c
m²ØÐßײL. âs×Óg ãeØ or Ôßy s²NÔÖ²ÖÐß,
ãÐØ ÔoãÓ ØÊÐ Òßв äÐårÐ yoÑ sTÒßØ.
æeÐÖ ØÊÐ s²NdÖÒÖÐß WeØ ²s you saçd.
èÊIs ãIÞL ÇeÐÖ doWN ÖaINØ dusTÜ
Áse a respirator, When requIreD, anD
gloves anD eye proTectIon any tIme
you're workIng with paINT or ThInner.
Prep²re ³Errous meTal (sTeeL and Iron)
or ²luminUm sUrfaces lIKe so:
¶ash wIth lIquId deTergenT,
NSN
7930À00é282À9699,
and W²Ter;
rINse
wITh êesh w²ter ²nd leT The ²re² dry¹
˳ The oLd p²Int is souNd aNd you
don'T h²ve To sand To bare meTal, you
doN'T Need the preTreaTmenT and priëer¹
You stIlL need to ³EaTher The edgeìµ
·emove aLl loose paint by l½ght
sandbLasTIng or WIth an orbITal s²nder.
FeaTher the edges o³ good paint
by s²ndINg or WIth a staiNless steel
scourIng pad.
A
spEcial sanDing OpeRatiOn±FEatHE²EDgIng±is ReqUIReD wHEn Damage OR cORRo³
siOn ²EAcHEs TO tHE METAl´ SAnD DOwn tO bARE METAl aT tHe DAmAge pOintµ ¶Ake
sURe all cORROsiOn is REMOvED· ¸Hen sanD thE sURROunDing paInt, tapeRIng up tO
tHE TOp cOat sU¹acEº
»¼P½i² P²i¾ER
¿EAtHEREDging calls FO² "FEatHE²ingÀ THE amOUnt OF painT applieDÁ YOU apply the
pAint ligHTly aT tHE OUTE² EDgEs anD HEAviER as yOu MOve tO tHe MiDDle ¸hIs
REbUilDs tHE pAinT lAyERs tO THE ORiginal lEvEl AnD tHicknEssÃ
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