PS Magazine - TB 43-PS-423
PS, The Preventative Maintenance Monthly
ISSUE 423
FEBRUARY 1988
UH-1 .±±
A Wrenching Problem
OR
(It TaEs TwO tO ±²)
When you remove or install hydraulic
or oil lInes on Huey's, it±s OK to do a
double take.
That is, make doubly sure you use two
wrenches to l²sen or tighten fttings.
Using one wrench causes twistE, kiNk³
or broken hoses and ´ubes.
Two wrenches help you seat fttings
With two µ(enches, you can hold the
hose away Fom other hardware that can
r¶b it the wrong way·
¸¹ you fnd hose or tube that rubs or
chaºs aGainst other comPnents, wrap
rubs, use
spiral wrap
and avoid leaks when lines are under it with spiral wrap, »S» 7510-¼-923-
pressure.
0591, to protect it½
FREE AIR TEmPER²t³RE G²gE ´µ¶
³nSpec´iµn ¶n´e·¸L ¹´¸nd¸rdºzed
The ¾ree Air Tem¿erature À¾AT)
gage is the same in UH-1 series, AÁ-Â
seRies and OHÃ58 series birds½
B¶t the insÄction interval is diÅerent
Ær all thrÇe.
On the OH-58, it±s 3¼ hoursÈ ¾or the
UÁÃ1, it±s 150 hours ÀeVerY Éhase). ¾or
the AHÃ1 series, it±s eveRy 1¼ hours
A»D every Éhase À150 hours).
The bird headshed has changeÊ aLl
ap¿lËCable ÌÍsÎÏon checkLÌsts to sÐciÑ
that insÄCtions be conducted duriÒg the
Éhase insÄction closest to the 12-month
interval, or at least every Ó12 monthsÈ
±BM
Oh·58 ¸¹¸
º WºS» ¼»½'¾D
L½¿V½ M' DooÀS oN
¾ÁÂL ¼»½Ã BÄÅLD ¿
Æ
S¼oÀ¿Ç½ È¿CK!
StorÔg Kiowa d²rs is a ÕrobLem. They get stacked against a wall or pileÊ into
a biNÈ
Then they±re Ö×ked Øon the Ù²r or somebÚy tÛows other comPnents in
the same binÜ
The res¶lts are scratch³ windows and damageÊ doÝrs.
SÞT Troy Éeterson o¹ H¶nter ARmy AiRfeld soLved the problem. He designed
and b¶ilt a d²r rack ¶sing 2x4±s.
ÉeÊe are ËÌe diÍensiÎns:
Éad eaCh slÝt wißh stri¿s ݹ scraÕ ¿addiNg. SeC¶re the padding with plastic
elecà ties, »S» 5975-á074Ã2072.
»o more scRatChed wiÒdÝws or baNged ¶p d²rs!
FEB 88
41
j
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