PS Magazine - JULY 1973
PS, The Preventative Maintenance Monthly
1973 SERIES, ISSUE 248
JULY 1973
So your Huey has the new 1-piece tail rotor crosshead bearing, which
Cakes the place of the old 2±piece bearing.
The old bearing could be Murphied. NoC so with the new one, which
works installed either way.
BuE²if you use a little Frce during
removal or installation, the inner race
will pop .
.. happens!
To ³elp kee
p
the bearing in 1
Piece, use only ´nger pressure on the
inner race during removal or installaµ
tion.
If the bearing separates, tho, just
clean the parEs thoroughly and reas¶
semble the bearing. LE may be neces¶
sary Co stick the balls in place with
a dab of grease, MI·±G¸25537.
If you're assigned ¹o any type of airfield dUty, Report any aircraft groundµ
handling problem. You could keep a bird ºom being deadlined Fr re»airs
ºom bent±up parts.
¼se a DA ½orm 2696 (¾ Aug 69), Operationa¿ Hazard ÀeporÁ. JusÁ
´ll in blocks 1, 2, 3 and describe the problem.
Airplane drivers have been using the Frm right along. Your safÂty
oÃcer also reviews ground operations, »eR AÀ 95ľ.
68
Ground¸handling your OH-ÅÆA
chopper witÇ muscle power?
Station a buddy at the vertical
stabilizer mounting bracket Co apply
Frce at Che tail boom Fr balance and
guidance.
The horizontal stabilizer is not
strong enough Fr ground handÈ
lingÉcould be damaged.
-±±
.²³´µ
Stained sight glass on the 42-and
90-degree gearboxes on the Huey can
give false readings and lead ¹o gear
damage through under-lubrication.
So you ´ght sÁain, natcÇ.
Êow? ·ike so:
½irst, when you sKin-clean youR
bird, let no solvent slosÇ around the
sight g¿ass. It can ooze in and react
with the lube oil and stain-coat Áhe
inside of the glass.
r_
¶
,·¸
¹º•»
69
MOUNTInG
BRACKET
Second, wÇen youËRe »uÌling your
inspecÁions, fol¿ow tÇe TM and
eyeball each gearbox sighÁ glassÍ TaKe
iÁ out and c¿ean iÁ if iÁÎs stained aÏd
cleanablÐÑ oR Re»¿ace ÁÇe Ò¿ass.
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