PS Magazine - OCTOBER 1980
PS, The Preventative Maintenance Monthly
ISSUE 335
OCTOBER 1980
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Once you've recovered as mUh wire
as you can after a field pRoblem, give it
a good eyebalLiN± to make suRe it±s still
good.
²ook foR obvioUs faults liKe NiC³s
aND cuts oN the iNsulati´Nµ DEteri´Ra-
ti´N, excessive spliCes aND w´RN sp´ts¶
IF Y´U
f
D a BaD sP·T ¸ess THaN 3
iNChEs ¸´Ng, tape it¶ ¹F itºs ¸´NgE», C¼t
aND Sp¸ice¶
¹F tHe jackEt exp´ses lEs½ THaN
2
iNcHes ´f C´NDUC¾´rµ stRip tHE DaMage¿
iNsulati´N aNÀ C´VE» it wiTh E¸eCt»iCa¸
tapeÁ ÂrictioN Ãtape g´es ´veR tHat t´
cÄmpleTe The j´ÅÁ
With a multiÆeter, check for l´op
resÇsÈanceÁ ÉÊË1 sh´uld sh´w 200Ë
Ì0 Íhms Îer mile at 70° ÂÏ
Ðemember thaÈ cold wEather will
Reduce ResisÈanceÁ Also, wire leNgTÑ
and resistance chaNge proporti´NatEÒ
Ó
lyÁ Ôo Çf you have a ÕËmi loop,
Ö
Y´U
shoulD have 115 o×ms rEsistaNCe¶
A consiDeRablØ Ùigher »eaDiNg tHaN
nÚrmal meaNs baD spliciNg ´R b»eaks¶
A l´wer reaDiNg meaNs a ¸eak ´r sH´rT¶
OÛ, Y´Ur wire passes resistaNCE
testsÜ Êoes it have m´re tHaN
4
sp¸iCEs
pER Õ mile? ÝHEN itºs ´N¸Y g´Þ ßà
traiNiNgÁ ¹F it Fai¸s b´TH THE C´NTiN¼iá
â
aND sPliCe tEsTsµ TU»N it iNã
äHeCk witå Y´UR
PDO
ß» t¼»NæiN
reqçiremENts¶ è´U sH´U¸DNéT HaVE Tê
ct
it iNt´ stRipsëTHaìºs íaNGE»´¼s
aND UNNeCEssaRYÁ ÝiE iT iNt´ 3îFT ¸´´Ps
iF Y´U» l´ïa¸ íispðsa¸ñ ·FFòCE í´EsNót
sPeciFYÁ A
p´UNDs¶
wEigHs
48
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hăadshed is ÈaċÇng sÈeÎs t´ chanČe Èhe
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noÈ here yetđ Anė, ÉÊĘ1 is in short Èhă ones you haveę ĚntiL ěhe AĜÊÂ is
supÎlyÁ ĝiąÇÈăd amounÈs of a 1Ëmi chanČed Èo reflect thÇs cočing, youĀ
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614ûËý0Ë24ďË8466, and ģËmi of wiRe ĜĜÐËĜĄË2 2Ĥ1620Z Jan 80Á
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