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Flg , 3-22. Wi rl ng di8gram for te_ting a Ite,nator l 03 O_ O'
A . Al te rnator D . Am _e_e_ _ a m pg . V_o_.L0V3O_ _
B . Batte ry 6O Ah E Vo __m e_e, _2O uo __6 F. 3 _ w. j dj _ i _ _ _
C . Am me_e, __ o a m pg i9_ _ _ ir n9 8ar8m Or t, Itina VO It80e r,0 U 8lOr ._.
A . A l tern8tor E. Vo l tage regu lator .'
' B. B8ttey 6O Ah F . W8ri ng lam p 1 2 uo Its . .
C . Vo l tmeter __ amps . 2 w8tt8 _
Cl. Am mete r __ 8mps . ...
C h e c k th at t h e c u rre n t th ro u g h th e fi e _ d wj _) d i n g l f th e V O l ta g e i s o uts i d e th e to l e ra n Ce l i m i tS , th e _ _-_
(a m m ete r C) i s 2-2 . 5 a m pg . ( l f th e c u rre nt i g not reg U l ato r S h o u l d be re p l a C e d . ._
th e c o rre ct o n e . th e c h ec k th e b ru g h h o l de r a n d l f th e v O Ita g e re g u l a to r i s to b e te sted mo re acc u - .. _
fi e l d wi n d i n g ) . R u n th e a _ te rn ato r to a g p e ed o f fate l y, i n Sta l l it i n th e ve h i C l e wh i C h S h o u l d th e n b e ..
3 OOO r . p . m . ( E n g i n e e p e ed 1 5OO r. p . m . ) d r l Ue n fO r a b O u t 45 m i n ute S at a s peed a b ove 5O ,,
T h e a Ite rn ato r s h o u l d th e n p ro d u ce a t _ ea st 3o k m _ P _ h _ C3O m , p _ h _) , '__
a m p S a t a bo Ut 1 3 Vo ItS . (A fu _h e r _ oa d m ay b e Th e fea S O n fO r t h e d rl Vl n g _ S to e n a b l e th e reg U l ato r _
c o n n ected u p i n o rd e r to m a i n ta i n th e vo _ ta g e at tO O bta _ n th e C O rfe Ct wO rk i n g te m p e ratu re . .
a bo u t 1 3 vo l ts .) M ea s u re th e vo l ta g e at _ + a n d 6 _ N _ B _ Th e Ve h i c l e m u_t be d rive n . l t i s not s u ffi c i e nt ',
wh e n t h e a l te rn ato r c h a rg es . j u st to h ave th e e n g i n e i d l i ng . _ _
Th e vo l ta g e s h o u I d b e O . _O . 9 uo It mo re th a n at .._.'
te fm i n a l 6 1 , oth e rw i s e th e i so l ati o n d i o d e j e fa u _ ty ,_'.
a n d s h o u l d b e re p l a ced . _._
C H E C K l N _ _ H E V O L_A _ E 16_
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R E _ U LA_ O R _I
( l n a te st be nc h o r i n th e ve h i c _ e) __.
_ .
C O n n e Ct U P th e a l te rn ato r a n d re g u l ato r a S Sh ow n '
í n fi g . 3-23 . R u n th e a l te rn ato r at a bo ut a g p e ed o f __
5OO O r. p . m . ( e n g i n e s pe e d 25O O r . p . m . ) fo r 1 5 se- __ . __
Co n d s . Th e n rea d off th e vo Ita g e o n th e vo _ tm ete r. '_ ....
W i th n o l o a d o n th e a l te rn ato r. t h e vo ltm ete r e h o u l d ,.
rea d 1 3 . 1 - 1 4 .4 vo l t S w i th th e re g u _ a to r a m b i e nt _3 . I__
te m pe ratu re at 2 5 ' C (7 7 ' _ . '
Loa d th e a l te r n ato r wi th 1 _ 1 5 a m p s . fo r e_a m p l e , ._
fu l l - bea m h e a d l i g hts , a n d rea d off t h e uo l ta g e . Th e _ 2 _ . . . . . . __,._
v o _ ta g e g h o u _ _ a _ g o _ ._ e o n t _ .i g occa g ._ o n _ etwee n _2 O O _2 O + 4 O _6O + 8O .'
_ 3 _ 1 q 1 U_ F b _ U Vl 0O3IWVoO I
. - - . Vo t S . o r a m i e n t te m p e ratu res oth e r F.,g 3-__ voj_age-_emp,,,_,,, dj,g,,m _o, ,, jd voj_,g, - '
th a n 25 '_ C ( 7 7 ' F) , s ee t h e d i a g ra m i n fi g . 3-24 . ' ' reguia_r
3 . 1 O _..
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