PS Magazine - JANUARY 1983
PS, The Preventative Maintenance Monthly
ISSUE 362
JANUARY 1983
Face it! If the mast rotary coupler
cOnnecti±ns
of your Forward
Area
ALerting Radar (FAAR) system are
n±t tight, y±U may not have a system.
THe key ²s t± c±nnect the E³W´
cµble t± the J 1 jack f¶rst· Get that one
±n and tight wh¶le you've got a l¶ttle
J'±
¸O±m t± w±rk¹ and the big job ¶s over.
,
'1
If c±nnect¶ons are Less than t¶ghtº
,
jµcks and c±nnectors w»ll be damaged¹
b¼ndpass filters and c¶rculators w¶lL ½
fµiLº and y±ur traveling wave tube may
¾±.
¿±±se
c±nnect¶ons also let water
and m±isture in with the¶r own brand
LIKE ANYTHinG
el± ²³
LIFEkSOlDeR.,²
´t hµ¶PS
W
·¸ yOU ¹aº»
60¼D Co½¾¿cÀÁoÂs/
of damageÀ That incLudes sett¶ng up
;=±
-
!
²³´µ¶
,·
the r±tary c±upler itself for removaÁ
Keep¶ng tÂe covers on unused jacks
and exPÃnsive repair.
protects th m· Äere's more on what to
M±isture is the b¶g reason that Åro-
d± for t¶ght connections:
Get as much slack on the E³ W´
c¼ble as you can. With other cables
d¶sconnected and out of the wayº anÆ
gle the
WÃ
ont± the J³ jack. You have
the work¶ng rooÇ you need for the
heavier W³ cable with the others disÈ
connected· That's even more iÇporÉ
tant ¶n cold weather when the cable's
stiffer and harder to bend·
ʶne up the key and Ëeyways and
thread the Ìconnector on t¶Íht.
Înce the W³ is on t¶ghtº connect the
Just as important as the connecÏ
tions ¶s remembering to reÐconnect
the E³W³ after min¶mum detectable
signal (MDS) calibrat¶on.
Ñf you forget to reÒconnectº you set
up the same damage potent¶al.
@¸iW
I¹
º®\»
You caN further protect the rotary
coupler by putting a cover over
wHen the mast ¶s stowed·
E1W2 and E1W3 cables to theJ2 and
l
\t
±
²
³
L
´
µ
¶
·
¸¹º»
J3 jacks· Aga¶nº get them on t¶ght·
You may not have a lot of worËing
roomº but that system w¶ll let you
tigÓten
the
connect¶ons
w¶th
less
stra¶n on you and the cables·
The cover keeps out dirtº dustº ra¶n
and mo¶sture ··· and resultant damage·
Scrap canvas or an oLd Ôoncho w¶ll
d±· D¶scarded radome covers from the
VuLcan's AÕ/VÖSÒ2 radar work f¶ne·
×nits that use the covers say they have
fewer pr±bLems than when the rotary
coupler end of the pedestal ¶s left unØ
covered·
You can get a cover Ùor the pedestal
w¶th ÖÕ Ú0687397º FSCM 18876. Ñt's
used t± cover the pedestal and AÒI
assembly ¶n the trailer·
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