PS Magazine - TB 43-PS-525
PS, The Preventative Maintenance Monthly
ISSUE 525
AUGUST 1996
-±²
-
f
e line repLaceable unIt (±RUs) That make uP an a²rcraft's AN/A³R-39
rad´r s²gnal detecT²ng Set muST Be gµounded, av²on²cs techs. All ¶oo oFTen the
gµound ²s not esTabl²Shed when an ·RU ²s Instal¸ed nor ma²nt´²¹ed when a comº
pOnenT iS rePlaced»
A good ground Should allow
no
more than 2¼5 m²ll²ohmS res²Sta½ce¾ H²gher
reS²Stance geneµates ¿alse deTect²ons/
wÀngSÁ
Âo maKe Sure o¿ the reSISTanceà uSe
miLIJohm meteµÅ NÆÇ 662ÈÉ01ÉÊÈËÉ8774Ì
Íh²s meter ²s noT currently ²n an aVionicS
tooL SeTÃ but has been ÎSsued to ÏHÉÈ8D
aVionicS shoPs.
п the µes²Stance is not low enoughà and
youÑÒe ²nstaLLed The ground coµrectlyÓ The
ground STraP is the pµoBLemÔ Replace ²T
wITh gµoÕnd STraPÓ NÆN 6ÖÈ0
×
00
Ø
Ù6ÚÉ
Û2ÊÜÝ
PS 525
35
AUG96
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