PS Magazine - OCTOBER 1978
PS, The Preventative Maintenance Monthly
ISSUE 311
OCTOBER 1978
MuaA1
.
±
²
;·Regulator
·Ru.ndowN
The solid state regulators fr youR M113AL Fmily o± caRrieRs need al²
the he²p you can gIve them.
ThIs regulator, NSN 2920-³³´9³³´7993 (P/N 1³947439), is an
endangeRed species and needs emergency conservation. There are
µany vaRieties o± them, a²² Under the same stock number
¶rn damaged ones in to your
suppoRt as DX items even tho·gh
they might still be listed in some
TM's as non´repairable.
Do everythIng you can to keep
them in se¸vice.
¹or dRiveRs, that means stopº
pIng the engine the Right way i»¼
stead o± the "easy½ waY
The easy way is just ¾ipping the
master switch O¹¹ while the
engine's still running. ¿t can ca·se
a voltage spike that could r·in
yo·r
vÀ²tage RegulatoRÁ
r
'±L
.²:_
Another thiÂg that can jinx a so²id state Regu²atoR is to hook ·p ÃoÄR
battery cab²es so you have a positive (
+)
ground. Just Be Rea² caReŲ to
get yo·r batteRies hooked the Right waÆ with a negative (Ç)GRo·ÂÈÉ ¿Ê
yo· reverse the po²aRity eve oncE, yo· can ruIn yo·R GeneRatoR Regº
ulatoR. ¿± yo· R·in it, ËSN 292³Ì³³´9³Í´7993 and $6³Î3³ wi²² Get Ão· a
new one Ï
i± they are avai²ab²e.
·
Checking the ÈiÐeReÂtia² oi²
²evel with the enGine rÄnninGÑ
as the TM says Ï
is an exeRcise in
Òtility. TheRe's oil al² oveR the
dipstick!
9
ÓouR best Bet's a Ôo²d cheÔk beº
fRe Ão· staRt the vehic²e Õ
oR at
least ÖÍ Ì15 ×in·tesØ aÊteR stopº
ping. Ùt takÚs that ²oÂG fR the oi²
in the uppeR paRts o± the ÛiÐeRº
eÂtial steeR´tRaÂsµission coo²iÂG
sÜsteµ to dRain Èown so Ão·'²² Get
an acc·Rate ReaÈiÂG.
AdÈ oi² i±the ²eve² is Be²Ýw the
¹ o the ¹Þßß µaRk o the
dipstiÔk.
NeveR aÈÈ oi² iÊ the ²eve² is
aBove the letteR
F
in the woRÈ
¹Þßß.
There's a diÐeReÂt àipstiÔk iÂ
the works that'²² Be µoRe aÔÔÄá
Rate aÂÈ easier to ReaÈ. Meanº
whi²e, ·se the co²d Ôheck.
I
I
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