PS Magazine - MAY 1979
PS, The Preventative Maintenance Monthly
ISSUE 318
MAY 1979
Protect the starter-generator from
water by placing a small piece of
rubber
sheet±about 6.x8
inches±
beTween i² and the bleed band ports³
Disconnect the cabin heat line at the
customer bleed air adapter³ Close the
Fit´ING aNµ cap the lINe with a suItable
plug³
¶or a thorough cleaniNg job, anµ to
prevent the cleaning solu·¸on fRom
spraying out the air blEed por¹s, Use
metered compressed Air to close the
bleed band³
Just
º
disconnect the pressure hose»
frOM the fuel control to the air bleed
actuator and cap the union³ Connect
t¼he
compressed
air
hose
to
the
pressure
hose½
¾se 30¿40 PSÀ air
pressure
to
close
the bleeÁ band³
Âever exceed 60 PSÀ because You could
cleaning solutioN evenly into the inlet
!:
ÃÄÅhoÆsing³Ç Èo completeLy arÉund Êhe
ËÌÍÎÏ housing so you get a uniform spray to
Ð ÑÒall compressor vanes³
-
'Course, your helper in the cockpit
.
does
not
overheat the
starter by
Óoperating it fÔr more Õhan 40 seconds
at a clip³
_
'
E ±
=
±
While
tHe
starter
cools
off
a
; - :±,²³.
minimum
Ö
of × minutes, run plain
±²
Ø Ù
?
waÚer
over the Ûselage where tÜe
²;5
³
Ý
Þßàcláaning solution runs off your bird³
âfter ãhe starter has cooled, have
your bäddy hit the starter switch whIle
you spray clean water into the inlet³
"å
¾se a miæimum oç
2Y
gallons³
èash the remaining solution
tée engine and skin of yoêr bird³
Wash
off
cleaner
ë
ruìture the diapíragm
m
tîe bleed
band acïator³
²
ðhat
cleaner is tough sñuff and itòll
takó the paint right off your bird
witÜoät a rinse ôob³
´
- ;1
1
;
and sÜut it off½
±
f
õemove the compressed air line
= µ
.
anµ reconnect the cabin Üeat line³
³
Spray the solution a second time
-´"µ¶ F.:·¸¹º
öwÜile the engine is motored over and
-
":±²
³
´µ¶
·
¸
¹º
»
¼½¾=¿ÀÁ
ÂÃÄ
Å
³¹»
Æ
Ç
º
ÈÉ
Ê
Ë
ÌÍ.ÎÏÐÑÒ
³´:
·
pay particular attention to tÜe inlet
(
»;¼
½
I
i
,´_
²
³ ´
µ
• '"¶
housing st÷uts and areas øeading to tÜe
õùmove tÜe rubber sheet
ú
f
rom tÜe
starter generator and reinstall the
particle separator³
ûave your qualified bäddy start tÜe
âP¾ and plug it into your bird³ üe
ý
þÿĀāĂ
ă
Ą
ąt
Ü
e
n
heads for the cockpit to pĆace tÜe
i
·
ᵦ
de¿ice switch to tÜe 涶 position³
R
, i±
²
³´Pl
I
ac
µ
e¶·¸¹º
¶·
de-»ce
Sw»tcH
â
¾
o
¿
have him pull the ignitionĈĉ
±
À
¼
½¾
/
compressor³
syĊtem igniter solenoid circuit breaker
¸
ÁÂÃÄ
Å
Wash the solution off tÜe skin of
and make sure the fuel switcÜ is in tÜe
:
·
¸
a
'
your bird again³
ćċ¶ position³
Č č
Ďyeball the engine inlet and youòll
Pass the word up front to hit tÜe
find itòs clean as a whistle±ready for
¹7 º
switcď, wÜile you spray tÜe
µ¶
3
¸
the rinse cycle³
»¼½¾¿
-¹º»
0
Đhe starter can only be used 3 times in a 1đhr period³ âfter the wasÜ job, alert
your throttle jockey that the aircraft is being towed to the flight line³ ĐheĒēĔĕĖ_ėĘ
À
engine has to be run for a minimum of
2
minutes at flight idle witę deĚice
¸"¹
ěĜĝĞtoğĠġ
Æ Ç
õemove the protective caps and rĢconnect the remaining lines³ 'Course, a
º»¼½¾
,
Á
tech inspector signs off on the wash job³
¹
º
}
²
1
ģessirĤe¿eĥe, thereĦs no doubt about itħ â good wash job will perk äp your
»
I
³
!
baby every time³
´ .
4±
·
µ
':
!
±
¶
¸;l¹L
º
»
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