PS Magazine - TB 43-PS-442
PS, The Preventative Maintenance Monthly
ISSUE 442
SEPTEMBER 1989
UH·60A .±.
Hand Tighten Electrical ConnectORs
Y
ou have to hand-tighten the ring
on
self-locking
threaded
connectors
untiL the tab on the Jocking device
aligns with the center oF the groove on
the receptacle. The center of the groove
may have an orange Line on both sides
of the opening as a guide.
On
bayonet
coUpling
coNnectors,
hand-tighten the coupling ring until
you hear, see and Feel the bayonet pins
snApping into the holes of the coupling
ring.
DO
±OT
lockwire
self-locking
tHreaded connectors or bayonet con²
nectqrs becaUse it would act against
the locking ³atUre o´ each connector.
a
³w oLd style threaded connectors
don't have locking MechanisMs. You
can iµentify theM by a haLF-inch red
dot located on the s¶ructure ne?t to the
connector receptacle·
You
have
to
hand-tighten
these
connectors,
then
sa³ty wire theM to keep them FRom
vibrating loose.
Be sUre to Use only 0.020¸in steeL
Jockwire,
±S±
9505¹00º596-510
I,
when you sa³ty wire electrical connec»
tors. ¼arger wire will break out the hole
in the coupling ring of the connector.
38
SEP 89
oear
EditOr,
.
On
VibrAtiOn cAuses chAfIng
Our BlAck
HAwks' tAil rOtOr
±On between the Anten
A
P
y
d the right hAnd sIde
cOver An
the
AttAching receptAcles On
fAiring Assembly²
We sOlved the prOblem by
uTing rubber strips AlO
?
g
he chAfed AreAs, includ³ng
the receptAcles²
Here's hOw:
•
CleAn the receptAcles
And the AreA between the
receptAcles where the
AntennA cOver mAkes
cOntAct²
.
NSN
•
´ut rubber str³ps,
.
²³2´-´´-µ7µ¶¸5´7'
tO µIt²
1
A thin cO¶t OF
•
A±
P
y
NSN
µ´4´¶´´¶´²7¶
AdhesIve,
¸524
AlOng the chAfed AR
²
As·
•
P
ress the rubber
³
tr³ps
Firmly OntO the Ad
es1ve²
24
•
Let the AdhesIve cur¸
t rOOm temperAture.
hOurs A
.
.
n¹y
1;s
ºhe rubber strIp ³s O
»
it dOes nOt
!±²
±
u
s
³
Om ¹Atching th¸
cOver tO the py¹On²
h
PAu¹
St.
JO
n
¼t ½rd, C¾
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