PS Magazine - OCTOBER 1981
PS, The Preventative Maintenance Monthly
ISSUE 347
OCTOBER 1981
I,
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The Eyes Have It
Most important fr keeping your batteries Fully charged are your own eyes-
espECiaLLy tHe Eye you keep on your charging system:
AFter your batteries are used to start your engine, They're recharged by The
CHarging system. ±His is the generator (or alternator) that²s driven by the
engine. ALso part oF tHE system is the voLtage reguLator that controls charging³
You can teLl wHen your CHarging system´s FalLing down on t_he job just by
eyEbaLLing tHe battery•generator indicator (voLtmeTer or tHe ammµter)³¶his is
expLained on Pages
4
&
5,
DA PamphLet
750-34±
Preventive ·aintenanCe oF
Needle to
left of
nub shows
undercharge
Needle to
right of
nub shows
oveRchARge
Need
l
e a liTtle to right of
centeR shoWs best chargi±g Rate
Needle to
left
of
centeR shows
undeRchARge
Needle too
far R
i
ght
shows
oveRchaRGe
²hen you
r
engine
'
s Been ru±ni±g fo³ a few minUtes, the gAge shouLd Show Ch´Rge
-
not oVeRchargeµ not unDerchArge
.
If it showS
U
ndeRchaRge
,
you¶ll hAve weak-or deAd
-batteries whe± you need to StArt youR e±gi±e ±ext timE·
¸ead¹ºCid Batteries. (±He "idiot Light» on some equip¼enT signaLs onLy
un½erCHarging, but the bat¾gen indicator and ammeter show the FULL range.)
¿n½ErcHarging is the big probLem in coLd weathErÀ IF your batterÁes don´t get
a FuLL cHaRge, tHey won'T be abLe to do their besT next time you need To sTart your
engineÂ
Ãeport CHarging probLems! Get' em FixedÄ ±He probLem may be as simÅLe
as a ÆoosE beÆt. Or tHe beLt may be gLazedÇÈard ´n' sHiny on tHe sideSÉ
Ê
so it sLips on tHe puLLeys. ±ightening or repLacing tHe beLt may put your
CHarging system back on the track.
IË tHe probLem's something eLse, youÌ mecHanic Can Chase it down by
J
using DA PampHLet
750-33±
ÍHarging ÎystEm ±roubLeshooting (±He Ïasy
² iI³
:´rµ¶;·¸¹
;
H
º»¼2½
5
¾¿
3
f
ÀÁÂÃÄ
¸H¹º»I¼» ½Y½¾¿M
¾ºOÀÁ¿½HOO¾Ã¼»
(±²³ ´ASY WAY)
25Ðamp, 60Ñamp, 100¹amp and
300Å
amp cHarging systems in wHeeLed and
track VehicLes³
6
-±
²³´µ¶·¸
1
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