PS Magazine - TB 43-PS-504

PS, The Preventative Maintenance Monthly

ISSUE 504

NOVEMBER 1994
PS Magazine - TB 43-PS-504 - Page 7 of 51
I
echanics, If you're gettIng con-
stant Repo±tS of starter lock²up on
M109A4/A5
how³TzeRs and
M±±2
ammo ca´±µeRs, LooK To tHe the sTaRTeR
pRotection ±eLay fi±sT.
When tHe HowItZe±S we±e converTed
FRom
-A²
and
³a3,
THe starte± rE¶ay wAs
replac·d w¸Th a staRTer pRotection relay¹
PºobLeM
»¼½ ¾hat p¿otecTÀon relay can
shoRt out dU±Áng ÂÃaÄtÅp½ caÅSinG Æhe
staRter
to
shÅt dOÇN BefÈre tHe engine
¼Tart¼É Êhµs ˼ becau¼e tHe reÌAy cuTs oÍf
ÎÏÐ pÑwer To THe STaÒTerÓ
ÔeFѱe you tRoÅÕlesHÖ×T ر ±eÙlace
THÚ ¼tARTerÛ acTiVAte tHe cÖmÕÎT oveRÜ
ride ÝwµTCh and engage the starte±Ó ÞF
tHe engIne crAnßS½ THe pRoblàm i¼ the
pRotection relayá
âeT A new ãta±äer pRotection relay
witH
NSN ´±4µ-0¶-·9¸¹07º».
Êhaå reæ
LAyç which i¼ STamped with pARt number
¶²º6º0±2¼
Has a Specèal inTernAL fIéter
To sêop pRematÅre sTARteR sHuTdownë
PS 504
8
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