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Begin OCR Text:
_____
P 18OO F.ig. __. __.i_d.i_g-.i_ __e b_ug_$g
W_4WOgf_ $_
Wz4_gz_
Fi_. _g. _eggu__i_g _he _o_o_ A fOtOf COlI Wlth ShOlt_ng bgtWge_ ehe windingg
_ ShOWS a lOW feadlng and a ço_l witf b_eakage _o _
d h _d h _ b_ d feadlng ae all.
_
an O a aç gaw a e ç_oge to efe _otol, gee
F_ig. _g. _F ehe __a_e v_i__aeeg __n any pog_it__on w_en ShO_lng tO the _otof body ig tegted wief tfe fe_p
ehe _o+ol _ig eu
Ul'ne__ loUun_, one o_ t_e _o__ow
__ing Of teSe plOdS and teSting _a_p.
fau_eg ç'an be the lUgagon.U_ho_inoltollloeol l fla_e, TgSt that the flgld Wlnding ig noe ealehed by çon-
gfolting in ço__utatol ol wjndin
__g. neCtln0 the COntaçt pointg to tfe field tel_ina_
_fo_jng _eeween +_e w_in__ingg çan
_ _e _e_el__ine_ and hOUSIn~, Sge Flg. 3O. _f thg _a_p _jgftg, ehig
by ho_d_jn~ ehe leg
'_i
_g+ançe
Uplong aga
U__ng
Ue t
'_e ço_
U- IndjCateS ShO_Ing betWgen the field winding and
_ueaeol ag g_own _in
' ___g. _o. _uln t_e lo
_tol _e_e hOUSIng. Make SUle that thele jg no çontaçt be-
plong _ug_ _
_e _e__ g
'__ii_\ g
_o
_+_'a+ +_e
_neK+ pa__
_l
llo_ tWegn the fleld Wlnding and the houging. Un-
_a___nat_jong
' Uço_
_eg
'Uop
'p
'o
'lg__+e
'+__e
' 'p
_long a
'n_ _o__l SCfeW the flgld Igad-thloUgh and tegt _gajn.
ehig againgt tfege. lf tfele
'jg
'n_o fault, ehe lUea_djn'Ug BfUSheS WhlCh alg danlaggd of woln down _ole
ghould be ehe ga_e fol all tfe oehel la_'inaeiong. than halfWay _USt bg lgp_açgd. BlUgfeg whiçh
afe SCOled Of haVe pOOf çontaçt witf thg ço_-
_UtaeOf Can bg glOUnd-jn with gand papel gauQe
OO Of OOO aS ShOWn In FIg. 3_. _ege ehe gtlengtf of _
the bfUSh SplIngS by F_ttlng the end fgad on tfg
fOtOl and COnneCtlng a Spfing balançe to efe _o-
_,. (__=-- - _- - _ _
Wz_LaWj_
-I-- vo_vo
Fig_ 3O_ T$gting th$ gt8to_ Fig. __. _ggguli_o _h$ blugh _leggulg
l4g_'_
3_18
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