PS Magazine - TB 43-PS-493
PS, The Preventative Maintenance Monthly
ISSUE 493
DECEMBER 1993
M10A4, AS sP Howiter± .².
.
.± ²³
G
echanics
,havedriveRsbeenwriting
Th
E ³´aRTµR TURNµD
up theiR
m¶·9¸¹
and-AS
ºp
howItzers
OVµR a FµW ´I»µ³¼
because the starteRs seem to be locking
´h½N ¾¿À NOThÁnGÂ
_
ÃÄÅÆ
.±
up?
The sou±ce of ²he p±oblem may actu³
ally be ´n one of the two starter protecµ
²ion relays.
When the how¶tZers weRe converted
f·om ²he
-Ç
conf¶gu±a²ion¸ the ±elays
we±e no² modif¶ed along with the Rest of
²he elec²rical sys²em¹ They can sho±t ou²
du±ing staR²upº causing the sta»teR ²o
shut down p±ematu±eLy¼ ½t Looks l¾ke the
s²a±²e± has locked up when ac²ually i²'s
ge²²Ing no powe±¹
BeF±e you tRoubLeshoo² o± ±eplace
¿he s²ar²erº ac²IVate the combat ove»±ide
swItch and engagE ²he s²Àr²erÁ Âà ²hÄ
engine craNKs, ²hÅ p±obLem Is in ²he
RelaysÆ
Çeplace the fÀul²y relay wi²h
ȺÈ
59É5ÊËÌÍ29ÎÏ·73¹Ð
The new ReLay has
been upgRaded wi²h a specIaÈ f¶l²eR ²ha²
eLimina²es pRema²uRe shu²downÉ
Befo±e you ±eplace both ±elaysÊ
²houghË ²aÌe a close lookÍ Îf one is
marÌed wi²h paR² number
¶Ñ363·9ÑÒ
keep it¹ ThatÏs ²he new and impRoved
relayÁ Ðf both have a dIÑe±en² pa±² num³
be±º ±eplace Òem both¹
dÓCÔÕ
Ö×
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