PS Magazine - MARCH 1973
PS, The Preventative Maintenance Monthly
1973 SERIES, ISSUE 244
MARCH 1973
•
±
Focus in oN Che ±hInook (±H-47B,±)
L²llA engine in³Ine fue³ fi³Cer when pU³³´
ing the next PerIodic, knUck³ebUsCers.
When
you
remove
the
e³ement,
chances are you won't be ab³e Co c³ean it
wIth the phosphorIc acid and detergent
so³UtIon ca³³ed for in para 5-6ld of TM
55µ2840¶234-24/2 (AUg 71· .
.. ¸taint In
the supp³y system.
1
_²³ ,
So, Use an eqUiva³ent. ±³ean the stain¹
³ess stee³ e³ement with dryc³eanIng so³º
vent, P-D-680, Type
II.
»S¼ 6850½274¾
5421 wi³³ geE yoU a 5-ga³ pai³.
After c³eaning, wipe the e³ement wIth a
³inE²free
NON-MAGNETIC SCREWS
DeEr Windy
,
Our tech inspectors Sre making us replace steel screws THaT ±eRe iNstaLed
in ouR ²uey (U²
-
1) windsHields
.
lower foR±ard cabin windo±s aNd cabiN
roof windows
³
´Hey wanT dural (aluminum bronzeµ screws³
Are windo± screws reaLy aL THaT imporTanT?
SP4 F´M
µ
m
¶
Dear SpecIa¿ist F.M.M.À
YoU beE! Stee³ screws In the InstrUment area can throw tÁe
·
aGn
e
tI
c co·pass off
severa¿ degrees .
.. coU³d give the pI³ot a bUm steer.
ThatÂs why yoÃr TÄ's are fo³¿owIng the bookÅpara Ʋ29 of TÇ
55
-
1
5
20
-
¸ i0-¹0
<Sep 71È.
5º
NO SCOrINg, PLEaSE/
Any
tIme
mechs reconnect a pitch ³Ink aC a rotor
head pItch arm, easy does IC.
The arm bo³t ho³É Is s³antedÊwhIch
»
_±²
³´
µ¶·
,:
¸·
¸
¹º »
can mean troUb³e when Insta³³ing bo³E,
55
»S¼ 5306-891¶14Ë9.
ÌUre, the head of the bo³E
I³³ c³ear the
f³ange of the arm, bUt Che washer wI³³ not
c³ear Íhen yoU pUt Chem In CoGeCherÎ The
resU¿t Is a Ïcored arm.
To head ofÐ damage Co Che pItch arm,
p³ace
CÑe washer aC Che bUshinGÅtheN
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