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Begin OCR Text:
A CO n Stant VOltag e OF 1 O +- O.2 Voffg i g _a nfa i _ed .
Th g bfe3 kl ng a nd _a k I ng O F th e Ç I fÇu It i g n of
Vl S l b_ e On the l n StfU _g ntg d u g tO thg_ f i nef_i a . The
Stabl _ l Ze f l S _O U nted o n the feve fge gi d e of fhe
C O_ b I ned l_gffu_ent.
WA ff _ _ _ _ _A_ __
_ H A__J __
vu_vu The Cha fg j n g Wafn l n g _ a_ p ig ço n neçted fo the
Fig. 3-_ _ _ . o_ i pre__u_e gauge. __o__ $_d _eve_ge
''' '_'' a Itefn atOf. It l _ g htS U p When the a Itefnatof Vo _tage i g
_ OWef th a n the battefy vo_tag g . Ag the battefv vo _-
ta ge f_ SeS a nd C O__ençeg fo Çha foe the ba_ttefu,
the Wafn l n g _a _p g Oeg o Ut. Th _ g ig_ a n _ nd i çat_ o_n
O _ _ _ff E __ u ff E _ A u _ E fhat the a _tefnatO f I S Cna fo in g .
Th e o l _ p fe S S U fe g a Ug e, Wh IÇ h _g _e Cha niÇa _ , i S çon-
V
neCted tO the pfeS S U fe _ u bfI Çat I ng gygte_ O F fhe
e n _ _ ne k_ _ eang o_ a _ e _ ive fy _ i _e _ D_ _E___ O_A_ __ D__A_O__
Y
U Y
l
U
l
_
_ Th e Wa fn l ng la _p fO f the d i feÇtio na _ i nd iÇafo fg
fla SheS When thg _ nd l CatOfg a fg engaged . _t ig Çon-
n e Cted a CfOgg fh g gW _fçh fo f the i nd i çatofg.
_ ffA K E_
The b fa ke Wa fn _ n g la ntp feCe i Veg Ç u ffent vi a fhe
Ign It I On SWltCh a nd Ca n be g founded at _o poi ntg _
When the pa fkl ng b fake i g ap p _ ied . the wa fn i no
Ia _ p l S g fO U nded by thg SWitC h go fh at fh e wafn i ng_
la _p _ I ß htS and fe_a i ng l _g hfgd ag _ ong ag fhe
pa fkl n g bfa ke Ig app_ Ied .
S h O U Id a fa U It O CC U f i n Ong Of the Çj fçu jtg of the
vo_vo hyd fa U l l C b fake Sygte_ go that the d iffefenÇe i n
l '''O pfeSS U fe betWeen the Çi fCu itS. o n appl i çati o n of fhe
Fig. 3_l l2. Clo_k. front and rever6e bfakeg, .ig _o fe tha n __ o kp/ç__ ( _ _ 4-_ q2 p.g. ._ .) ,
a Wa fn _ ng Va l Ve (fig . 3- 1 _ 4) ç _ogeg a nd fhe wafn i no
Ia _p l l ßhtS . The Wa fn I ng la _p bl i n kg u nti l the fa u
Vlt
I n th e bfake SySte _ _ g fepa _ fed a n d the wa fn i no
_ _o _ K
Va l Ve fe- Set. _ O n Cefn i ng fe_getti ng fh e wa fn i n
Vo
Vaf Ve , See _a _ 5, B fa keg , _ fou p 52.
_
The C _ O C k l S efeCtfl Ca _ _ y Opefated a nd feCe iveg
C U ffg nf V_ a the o _ _ p feggu fe gengof.
VO __A_ E __A_ _ __ Z E ff
The te_pefat U fe and i'Uej gaug eg afe powefed bv
a Vo _tage O F appfo_. 1 O +- O.2 Vo _tg and afe Fed_
th fO U g h a VO _tag g gtabl l l Zef. Thg gfab i l izef Ço nta i ng
_ b I _eta _ Spfl ng a nd a ContaÇt bfea kef. Wh e n the
_ ß n Itl on l S SWl fÇh ed o n , Çu ffent F_ owg fh fouoh the
Stab I _ Ilef a nd ou i tO the I ngffu _e nfg. Th ig h eaVtg the
b l _eta _ Sp fl ng OF the Stab I _ I Zef Wh iç h be ndg a nd
th U S bfea k S thg C I fC U it. Ag the Spfi no Çoo _g , _f
fetu fn S tO ItS O f Ig _ n a _ pog _fio n and the_ ç _ fçu it ig
V_Oi _L_V_O5
Cl O Sed aga l n . Th l S CyC l g _ S fepeated C O ntl n U O Ugfy Fig. 3._ _3. voi_ge g_gb__ ii_e_
3 '_ 4ß
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