PS Magazine - NOVEMBER 1977
PS, The Preventative Maintenance Monthly
ISSUE 300
NOVEMBER 1977
When You Really
NeEd
H
eat .
..
I
•
l
L
l
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±
²
.³:
a
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When
tHe
cabin
heater in your
Chinook is driving out the bitter cold,
prior to starting the engines, you don't
want tHe warm flow stopped, right?
Look behind the center instrument
panel for the K±08 engine start relay
L
/¥¸¹
But that²s what happens when the
engines are turned over. The auxiliary
bus re³ay drops out and sHuts off the
heater. But you electrica³ types can
(may be R3 on early birDs). Remove
wire
#V53´20
(or
#53C20)
from
Termina³
A2
and-
connect
it
to•
Terminal A3. If the wire is short, µ
µ
attach it to relay coil ground, Termina³
f
'I
e³iminate cyc³ing the heater
with¶ a
I
_
¹º
simple rewiring job.
•
º •
-
Eyeba³³
TM 55·1520¸209·20
and
TM 55·1520·227·20: Figs ¹3·3º thru
•
»
-¶
¹3·40, for the A Mode³; Fig 13·39, for
¼½
the B Model» Fig 13·40, for the C
'¸!
y
Mode¼½
¸
!
>
¹
º»'
» ¼
y
,"¼
¾iZ¿
I;
f,
½¾
¿
-
À ÁÂÃÄ
L
¹º»rR
¼½
,
X2
.
Be sure you make an entry in the
Bird
´A
Form
2408·15
that
the
'X
t
· ±²-
.;•:
rt Å
As yoU were, ¾hinook mechs, aboUt Using anti·seize compoUnd on the engine
".j±-²³
-
_
shaft moUnting bo³ts, NSN 5306·00¿863ÀÁ220 anD 5306À00·863·122ÁÂ
ÀÁ
ÂÃÄ
@HJ
BOLTS GO IN
@ÅÆÇ
I'
:
:
"
.
\
±
½
0
C±²AN AND DRY
È
-
.
Æ ÇÈ
L
´µIJi!
¶
¾
¿
À
Á
Â
Ã
r
®
@³
Ä
-
j
±
²
;.
Å
É
ÊËÌ<Í
I
t
This is no p³ace for loose hardwareà So, para ºÀ42 of TM 55·1520·22ÄÅ20·¹
(Aug º3) on the B and ¾ Mode³s is being changeD so yoU pUt those bo³ts in c³ean
and dryÆ ItÇs the saÈe dea³ on the A ModelÉ
40ÎÏÐÑÒÓÔÕÖ×ØÙÚ
The neÊt time yoUr big CHinook is down for eËtended maintenance, add a
few oi³ f³ow arrows on tHe combining and engine transmission oi³ coo³er,
NSN ¹615À00·866Ì5999½ ItÍs on the
Îse a stenci³ and ye¼³ow paint to pÏt
arrows
on
Ðhe
tHermostat
contro³
va¼vesÑ
Point Çem in tHe direction of oi³
f³owÒsame
as
the
arrows on the
check va³ves.
THatdzl keep Murphy at bay!
4Û
AD³
ArROws
O´ cO´TRO±
VAµV¶S
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