PS Magazine - NOVEMBER 1978
PS, The Preventative Maintenance Monthly
ISSUE 312
NOVEMBER 1978
Vulcan Voltage
•±²
When the low-voltage-warning LIght fashes on the gunner's cOntro±
panel oF your M163A² or M167 A² VUlcan, stIfe the uRge to switch to
³VE´´µDE.
Keep the Low voltage SwItch set at N³´MA¶ and avoId bad news ·¸
your ¹re control components.
º
³verrIde IS bUIlt Into the circuItS to let you keep »rIng, like at enemy
aIrcra¼, IF ¹re controL cIrcuit voLtag½ is low¾ µt's ·r real emergency use
only SInce, overrIding can damage some expensIve partS.
E
FIRiNG lTE
cu!CLEAR
.,±f'"
D/EAaTl
L-wo 1'
,.±
a
!IUM
QfF
\
THe warning light clu¿S you that you'Àe got Less ÁÂan
22
vÃLts ÄedIng
your cIrcuIts. ÅF you Switch to ³VE´ÆµDE, that Low voltage can daÇage
your SIght gyro, radar or sight current generator. They dÈn't come cheap.
±6
JÉthe proBÊem recurs, yoU probË
aÌly have baÍ batterIes or a chargË
ing system problm. Your meÎ
chanic should check out your
power SourceS.
MeanwhIle, Ïeep the swItCH at
N³´MA¶ and Let yÐur lowÑ
voÒÓageÔprotectIon cIrcuit do its job.
±7
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