... 

• 

REF ID:A522304 

~IGIW. CO.RPS LJJDRAl.'Olll!IS 

!ORT llOWOU'!B • ND JERSEr 

GAGlJ' 

J'eb:n1.a17 14. 1933 

~cm PTION ilD OP!!RATDIJ. IES TBIJCT?OJIS 

JUI 

I. BEJ'ERENOH: 

~ 

:g. 

S• 

A· 

!.· 

!· 

Photagraphs (J'ige. 1 1x> 8 inclustft), attached. 

W1 :dng Diagnm (ES-&.1177.J.), att;ache4. 

D1 IC Wi r.l Dg ( ES-J.-117 S..£) • at t.ached. 

Disc Pin A.rraJJgement (ES-J,..1179-A), attached. 

TaP9 Tranm1 tter ft d.ng (ES-~1180-A), attached. 

Schematic Diagl'llJI (115.Ar-1181-.l), attached. 

I I. DJSCRIJl?IOl1 

The converter, VJ>e )1..13', 1• a h1gbl7 portalile um t CCllQlete wUhia 

1 te•lt tor the perfo19.DO• ot 11• ftriau tuctions recp.f.1'94. 91e •1ght " 

ot the ccaplete 1Dl1 t (wi\bou.t batteries) i• appronmateJ.7 22 lb•• and tb9 

d1mem1o:as are approitate17 12'1 leiag, u• 1'14•. and 9• bich. !he ait 

consist• of an aas•'bl.1' of certain tnterrelate4 clnt.ae1 111b1Gb. are d81Crlbel 

:lndividaal.17 heretmtter. .An a1111d.mn conr 1• iv.ms.shed to itio'-t \b8 

ope~t1Bg el••'• t~ dut and in.tazT. llf.nding posta are prnicl84 for 

conneo\-1on to an 8--.olt batteJ:V. 

I II. nen.m DJSCIIPl'IOlt 

~· xv•rA· 

!Bferm.oe 11«•· 1, 5, 8, ~ cb&wlzg JS-J,..1181-.l. !he kiq'boal'I. 

ie a conftlltional t7pewr!ter lmtboar4 arrazg.-t with tU -•t•a .._, 

&11 cllaaoters,. other than the twmt,--•lz letten ot tn. aJ.Jlla'9t, .hnl 

been rwnow4. !h• lm1'b&r• are eqv.lppe4 wlt.h contact Jan poeltluaA abcne 

pertiaaat contaot reed.a. b'• Mtall• are ehoa tn 1, J'lg. a. Depre981ea 

of a glwn lraJ ••l'ft• to el.09• 91• pertat:atig ceat.aet J&1111 •4 ree4 b a 

ctrcul\ :tram oae batt.17 ld.D4.tag ~o•\, to ti. 419 or cliff• illm the 41.e 

to a .l•p, Ulm the 1-p ntara to llatt.17. '!he relatln.ldp o~ \lie di.O 

will be 4e•OJ"l'b•4. aol"9 1\1117 heJeiatter. Vpcm r•l•dag lie lm7 a trigger 

latch i • opeia,•4 'b7 b us-.rO. mots.ea of b Jattb&r. 'Bde tJicpr la'41b 

eerree to close •••ntar:l17 two ••te et ontact1 and 1llPIDo a ta.rt:blr el.rfatloa 

JA'pproved for Release by NSA on 11-18-2013 pursm to E.O. 1352§ 
··e 

REF ID:A522304 

2-14-33 

DelCliptton •4 Oplat11g hatracUOJ9 for Coawrtei-, trpe 11·13'. Sheet f2 

ot the Jal7bar to open tbe• tw •t• et contaot•. fo ....,.rt••, th• tw 

aete of ccmtaot1 are clo1e4 ·--~ dllrJ.JIB b retu. of a gt~en Dr 

to the nomal poat t:l• after ha"ftac -. clepn••.... .. ... contact.. mom 

a1 the tape 1tepplJ11 eoa\aete are shom •• detail 1, Jlg. &. !h97 eerw 

two pirpoaea, 1.e., to step toie•Jl.l tA• t&Jll qr -J'll•l., ti. tape et.pp. 

int; 11111gnet, &D4 at the.._. U• \o abort alrnl\ '1ae 4'.eo tNma1tter an4 

tape tranai tter cmdNtt. fl'Oll a ol JO'l.1 t • tand;pe!a\ all b7bars ·are in· 

coamon el•otztoaU.7. are oonmota4 to -catsw a"e~, u4 are 1DftlaW 

f'rm t.be time of the mt. 'l!bie f'•1are lhRld 119 bazu ln aial 1beMWJ', 

for a117 reuon, ti. •deu.a otrcnd. ta •• being te1W4 to clear tl'01ibl.e. 

It will be ••••17 that the lm7 contact• •:a4 1be ta:i- •'-Pld.DC 

contact• be 1upeote4 as oc•al•• •rrant•. '1'he lm7 contaot1 are ot 1he 

selt-111plzg t7JM1 aD4 ahoald ze(U11'9 at U. ttl• attenttan. !he tape etepp.. 

ing contaota. hownt1r. llllf' reqa.1 w an ooaul••l ol eazdng c!ll• to . the tact 

tbat upon operet1on tm• ccmtact1 ulal &all. break a Clll"rent ot aMut toa.r 

ampere1 in a ct :raa1. t coata1J:dzg appzeela\le !ndllotance. A 2-mv. t. conden•r 

is comwotel aoro•• tm coataot1 c4 ••nee to dieaipt.te t.he 1n.4Dotl.,. •park 

ba.t the Id.Dor reeultat starlc11&7 tn t!aa pit or mar the coJltaeta andh._. 

the•• eont.aote ehoal.4 lie cleaa•4 ancl lla.misbe4 oacad•ml.17. A dental tile 

&Dd 111miab.1zg \ool ..,- be ue4 for the P1J1to•. 

R• IU)o!.d, Llek leebaRl •· 

Btterem• J'tge 8 ud. 41'&Wlll« E-J.-1181-A. 'lhe bTboar\t lOCk aeclhanism factiODI to prnant tbe 4epre .. 10D of &JIT ktr OD tbe lctyboard c!DJ'lac 

the ts- fhe mot.or 1 e siftgi••cl. .I.a will be note4 cm lll'aw!D« SC...t,.1181-A. 

the 1m)"boat'41oc1d• ~t le in pa-11•1 111.111 the aetor am hence tll9 ug-

•t and aotor are ••rgi•e4 or d••nergl•cl dmaltaneau.117. The aag:mt la 

ehoa ae dlt.atl 2, Ilg. s. an4 details 3 an4 4 are ·Che 1.U-oa.t 'bar an.4 tu 

'U1Terea1 bar, rea111ettn17. '!he Slp9t amata.re b ·connected b7 a dl'ltC 

link to the lock-oa.t 'bar. '11th the J1111.gmt &Jm.1nre 1n tbl ao1"191 or a.-

eneigise4 position, the 111d.TeJ"llt1 bar la tree &m hence 8Jq D7 may be cl-.. 

P!'9•e•4. tJpon the mgmt amature b91ng energi1e4 U4 ao~ag forarct. the 

lock.-n' bar ts 11awl .. aow4 1V ·~ 9f the 4nc link into a pod ttq 

wheze a m•ber at ti. locll;..aat lar interterea with the clepreaaion of Ile 

imiT•nal bar am --· wt 1ih 1ba UPW••1on 0 t azq D7 OD the lm7'bo&zd.. The 

keyboal'l loc1dng aedum1• •htnlld aot recp119 ~ parttmlar attenttoa oiber 

th.an an ~casio-.1. oUbg ot the loeJr,..n.t 1'ar within t.he gmid.9•. 

-'• Motor. · ~ 

Beferenoe, 11&. 6, dra..S.zg ll'B-B-117'1-A, and d.r&wlng !IS-.a..1181-.A. 

.A sna.11 d.-c motor. ·acts.zag thft a proper tra:nami961on. 1.s used aa the prime 

mowr tor rota ttng the di ac. 1'h1s motor 1s manutacturet b7 the· Bodine Oo. 

and rated aa 6-TOlt, d-c emmt woa.nd, l/2IXJ hp, VP9 '· 3)00 ri:m. ~1nall7 the momr 1 s aDB ig11ed :tram an S..vol t sou:rca and the rpa 1• aomswb&t bdow 
REF ID:A522304 

2-14-33 

Deecrl.ption am Operating Instrac tlona tor Converter, VJJ8 11-134. Sheet f3 

2000, depencllDt upon 1he load. '!he lllDtor le s'8.rte4 •d atoppecl aut<11&ticall7 11Dder the aotion of the oontrol rel~, the 1Wla7 ftUll:: ttODlng to mlm 

and break the cirea.1 t bet•en the latte17 and the aotor. Under load the 

motor takes appl'Old.11atal.7 5 •pera1. Jeoanse of this .rel&t1 wl.7 high =~ 

rent ftl ue. the etart-s top contact a on the re~ a ie ahlmted b7 a 2-mu t 

condenser with a new to redllcluc the arctug to a aim.a, tma protect1ig 

the contactll. ra11uze of the aotor to fa.nction wtll unalq be tzaced. to 

dirt;.r: rela.y coatacte or m&la4Jua1n•nt of' the .. contaote ze.t.ber than to ~ 

partieular trouble within the aotor proper. Bonnr, dependent upon Ufll«• 

it mq be J19Cesea17 upon occasion to clean t.he motor ~ta tor, tnalllll.Ch 

a• in a low wl tage qstc of thi• type contact reai~tanc• 1• ot importance 

and ehoald be kept aa l• aa practicable. '!hese .-e cianent1 a1 reearcta 

contact re1i atance are applicalle tbroaghaa.t the elementa et tbe conwrter. 

Beterence JlB. 3, drawl.mg IS-B-1177-A. and dawlzrg JSJ,..1181-..L 

1'he tJCUmlimsion c•pdse1 1be aeana for tran_,_tti.Jtg the rota.17 m.otlon of 

the aotor matt .to the cliac lntemi ttntl.7. the aotor shaft ie connected 

to an auxtl1a17 dr1n lilatt tlml two be'f'81 gean tb• ratio of 'llhlch 1• 1 to 

1. '!he am:Ula17 driTe ebatt 1a eqt>J.pped 'lllth a poettiw clutch which fUDctlons to e~ or diee~age the au:d.11&1'7 411.n shaft fl'CllD a bell«!W sleeT.4 

wozm carried on the lhatt. The clutch ie d••rl 'be4 1n a tail heretnat'ter. 

The_ worm 1• •sh8d into a WDl'ID wheel the ratio bei~ 44 to 1, that 1• 44 

revo111.tion£ of the mm perfoms 1 re-rolut1on of tie wom wheal. The wom 

wheel ie attacbe4 to a abaft which e•rw• · t.o drift tie 4180. !he Tarl.eu 

sbat\a. dllacr1be4 abOT• are p1'0'Yid•4 with ball bearlige and. heDCe mhoal.4 

~perat~ sati sfacto rll.J' wt th 11 t~le or no attention. 

'!he manbers ticb control the eluteh action~ be obsernd b.r 

retarence to J'lg. 3. 1be clutch dise~S.:ag magmt. n_terre4 to hereinatter and on ·t:he drawllg9 ae the etop sgnet. 1 & shown74eta1l 1, J'lg. 3. 

~:t:t'ice t t to atate tba t thi'a nagne\ ta emJgize4 wbemwr electrical· cont1mi1 Vie eatabliahe4 ibraagh the 41.o tanam1ttera.ndthe tape t:l'&nll!litter. Such a circuit 11 indicated 011 dra11bt,; l!S-.A;..1181-4, f1oam negatiw 

ba. tte1'7 to the stop magnet. th~ the stop m~net to fl contact of the 41ao 

tra.nami tter, tbr1l the 41 ac tlSDBmi tter md 1he ta.ta tan.mi tter (at tbe . 

·time of coincidence between 1he pin eontacta of the dilD transmitter an4 

the ape contacts of the tape transn1 tter) to contact I& Md t.hence retum 

to ba.tte17. '1be stop nagmt is prondltd with an amata.re, detail 2, wbich 

senee ti> zaise paWl 3 t.rm nomal ·poaiU.on. In normal poet t1011 the pawl 

ts clear o'f the r&tchet Wheel, s. mt ln the 18-ised position the pawl is 

presented before the toothed ~rtaces Of the ratchet wheel. am 1nterferea 

wl th the movanent tbereot. The ratchet wheel is attached to the dlsc sbaft. · 

-3-
REF ID:A522304 

2-14-33 

Deacrlptlon am Operating Instmcttons fbr Converter, type Y..134. Sheet 114 

BeDCe it will be seen that clockw11e motion of the ratchet wheel, with the 

JBWl 1n -1994 position, t•Dd• to perform two f'tlnctions; namel7, to thrust 

the paw!l to the l•tt, and to atop the ratchet ael. The pawl ie mounted 

on a slid• bar, 4 1 11h1ch pann1 ts of the pe.WJ. being th~st to the left for 

a certain 4l•tano•. TbB sl1&1 bar le in turn 7olmd to the driving side of 

the JQlitiTe clutch indicated at 6. .Accordingl.7, motion of ·the elide bar 

to the left 41uncagea the 4rlv1~ side of th• clutch (lm7ed to the aunliaJ.7'· drinnt; abaft) f19 the drlnn side ot the clutch (attached to the wom 

11hich 1n 1D.m i• •lh•4 111 th the worm wheel driving the di 80 and the ratchet 

mel). · Upta t.h• sub .. qa.a' relea•• of the stop magnet, the pawl is w1 tbdra1'D, the slide bar le retumed to ••mal 'b7 spring action wb.ichalao en.-

gage• the clutch.. Ul4 the ratchet aiid 411c are tree to more forward under 

aet.or driw. Tide 4es!«n of clutch action hae certain Te17 det1n1 te adftil.tac-1 beomse it Pl ma1 ta of the U8e of a small st.op magnet with light amatnre. 

Tbe ~~tare aote as a trtgg•r ba.' 1.s not required to perfom the appreciable 

work et 41.encaglzg the clutch. Bence tb8 J111.gnet action ta n17 tae t. On 

the other hand ti. imrtia of the motor armature anl diac 111 utilized to acccaplish the ac'-1&1. wolk •t d.1119Dgeging the clutch tbN the action of the 

zatchet 1b•el in torclng the lllld9 bar to the 1 ett. 4ttention ahould be inn te4 to 1b.e tut that at tba instant the •WP magnet 1 a eneigi zecl, the motor 

11 deenergtsed aa will be noted 'tV reference to drawing !S-J,.1181-J.. The eame 

·c1rC1111Stan• (el .. trloal co:nt1mliV tbm the disc transmitter and the tape 

tzutndtter) l:r uan1 ot irhlch 1he •t.ep magnet 1s cezg1se4, also eneigisee 

the control Nl&,7 an.4 e&11Bela tbat rel~ to opOa the circUtt to the motor and 

Jm7-lock11g ~mt, b7 ~•• of the Nla7 ama1nze a.parting frcn the rear 

contact. 

In-ol'd9r to oltWa correct operation of tm stopplz:t« device• aa a 

-.1e1 tbat 1a, the tape tnDllaitter, 4180 tl9Dn1 tter, ratchet wheel• ma«-

Mt paWJ., and olutch, it le mc••.11&17 tlat the .. el•mte be malntaiucl ill 

eorreet adjustment and in correct t1m112g. !he following adJ'l•tmenta and 

t1-tJ2g .rast 'be ob1erwe4. 

1. '!ape tNnmdtter - See that all ftTe ••t• of contacts are cl-.n 

u4 taotlcdlbls pnprl.7. 191 ere 'h• rear contaot1 are madll when the p1na 

are 4epnese4 aDl th& t the fl'Ont contact• are •4• thea the pins are up. 

Al.llO ~ck the pin post Uo• w! th :perfOiat•d tape Sn the tape p.149 to 'be 

nn that '1>.e pertaialng pins are aotu.117 fl'M to aor• up 1brm the hole• 

aD4 an· wll cen,•re4 wl 11 re11190\ to the bolee to allow ~· tole anee. 

Bit• ... Nl&Jtc applt • to the tape retataiag latch bec9us• the pins are 

M•t.~ t.o c•t•r in the laol•• in the latCh aJ.10. 

2. Dl8C t1'8D..S.tter - m ptns tboal.4 )e ft1'1117 ... ted in the drm. 

Tile adJutamt of \be pln cosaote l• n17 tllportant. A pace •quiTalent 

to the corNOt PlA h•lgb.t, •Dd hace om ao tton, le n.ppli•4 w1 th ea.ch 
REF ID:A522304 

2-14-33 

Deecrlption and 0pel6t1ig tnst1Uc tions for Convener, t7pe Jl-134. Sheet f5 

machi:ne. All five contacts should be adJute4 "1th .1h1e gmg• 1DJ!er:te4 

between the contact cane an! drm. inie tooth taoe of the ratchllt wbeel nst 

be timed w1 th respect to a g1 ••n pln post tton on the 4~. am also 'Iii. 

resuect to the clutch paWl. Th••• elements aze acmratel.T ti.Jlecl in the aasembl7 of t.he machine u4 therefore shaald not lie ,,zdal.7 dis turW, bo-.Y•r 

a certain ancnmt of cont.act ma.tntADMC• and adJU.B tmnt ~ be require&. Ill 

·the ewnt of 1nstall1ng.rep1.acement diece, t.he new diecnst be adJW;teA 

to the correct17 timed post ti on. The repka.ment drwas pend t ot suah an 

a4Jm1ment about. tbelr 1quare arbon. Sneiel tr1al1 mJ be re()J.1"4 to 

d.etemine the correct post tlon. 

3. Clutch - 'lbe slide bar should be lubncated 111 th •s•l1ae on those 

su.rfacee which wait: in guid••· '1'h1. a remark appliea to the paWJ. .face, zatchet. 

teeth faeee, and clutch. b clutch barrel ehould be lubricated 111 ~ machiu 

oll, and the gearing wl tb oil aJJd, g~1 te. .All acrewa in ti. aes•b17 ehou14 

be tightened perlodical.17. 

Btte19Doe 11ge. 6 and 7, am clraw1ng1 IS-:B-1177-', lDS-.,.ll~S...t.. 

ES-j,.1179-.A. and !S'-.t..1181-A. '!h• 41•o trmumitter preper campri•• a sede1 

of ·:r1ve eete of contactt opera'ble lV certain ptms which are tappecl tato t.he 

per!~ery ot a baae 41eo or drml, and 1il1m uPon rotatla of th• 'dl'\la 1Jt 

motor drlw thr'1 the tranaieain •• d••crlbecl ln t.he prnt.ea. eectteu, per~· 

f'oim a can action on tm centl'&l contaot lever of each sat. In other •rte • 

the l ner mow• frcm one mntact to tbe other oontact 4e}'JID.41xsg 'Qetll th• p1a 

action. 'lhere are ti~ leTen, ttye 1'l'Ont ccmtac'• (plna 1• a. pltlen) 

and fi"f• rear contacts (pins nt ot caa poaitlon). 'lb• :rel&tl•neh!p of tbe .. 

elements 1e shown J'ig. 6, 4ata11 1. '!'he &l"J.'BZgement ot the pins la IDON or 

less arb1tra17. lilt 1be a.naganemt flim1sbe4 w1 t.b the di to tni tia117 11 as 

1ndica.t.e4 on drawing ES-.A.-1179-.l. 6'. •all eocbt wnnob le 91lJIP11•4 1'1.'11 

each -.chine to facilitate interchanging of plne. In pt.a •ttlng or ooataot 

adJus1ment the ~m relatlw to tiaing undar Seotlan cl, Tten-1 El-. 

abo"ff 1 are pertinent. 

Another •lemm\ of tba diao t1"81l8111 tter ••e•bl.7 11 the coawner. 

The OJl>Otlte taee1 of the 41• conetitute rotor tao•• aa4 -are pl'OT1a.t4 w1Ul 

etud.1 which mab contact with aprl.ng ball llea:dng detail• posttt.eud propel'oo 

17 about the surtace• of two stator el••'• bat•• 1h1ch the 41 • rnolwa. 

'l'ha studa on one diao 9r.ce ad the epzt:rg 1-11 'bead.JIC detatla. •• tlle !.-

of one etator el•ct an ahcnm. in ftg. 7. '!his •- ~ N-...19 b 

aeue torr-.o"f'lng the 41.so la order to clnn Ile contact•• or to lat•~ 

-5-

: '' 

'. 
REF ID:A522304 

2-14-33 

· Deacript1on &D1 Operat1Dg Inetm.ct.tcms 1br CoBY•r'8r, Qp8 11-134. Sheet 16 

disc•. ~e two wu• cllp11, dlttail • 1 aD4 2, 89"9 t.o b7 the e•b alaf\ &Dll 

tb8 worm 'lbeel shalt into ezgagnent with the diea arbor. Upon 1'90Ta:I. ot 

tha wu• clipm a. 1'9BPect1n tbatt111&7 be wt.1hdl'&wa IU4tl7 t~ e~....-t 

w1 th 1he d11c arbor. !bl Tartcnu ital• on 1218 oppot:l te 41.sc tao•• are connected together ll' prGJer 1'1 JlDC carr1•4 lateiml to tbe Meo. !he a~ 

ment ot th••• conneot1GDS 11 &1 ehon Oil cla'td.ng ._A.11'1&..&. '1'he ~ti• 

of the converter la to di•trlln\e ibe 001111ectlena fi-. thl lalya 1lG tblt lape 

o~ the l•J,.b811.11Cl. 4 s1igl• r•Pr11entat1Te clrmlt l 1 Bhom Oil cbawil!I JIL.A-1181~ Where the c!rml t ts trca pod ti w lat te17 to a l•p, thence thra 

the 41IO to the ke7 CGlllt&ot1 and retan to ucatiY• latte17. !he actual 

wiring fOr one cba.-i, 1• thcnm on dn.wlng ZS-B-117'7-.A.. In consld8re.tl.cm of 

the relat1nl7 low appltecl ftltege and heDee t.b8 neeeas1~7 tor maln~ng 

contact reld. stam• at a atm..., 1 t !a adn.able that the 41ee atac11 &D4 1h9 

eta.tor t.11 beartnc oontaota be clean•cl ocautona'l!T, d.e"pezul91* upoD the 

usage of the maebine. !n tbl.1 deaning prooe1a the mrtaoe1 tlhnl.4. be w1pe4 

with a cloth dmQenect in bendm. ·•o ether aeamre1 such•• filing or acrap1"D8 should be re1ort .... to • 

• 

Blfel'UM J'lga. a. 5, .,. and 4rawlzags l!!S-B-11"7-A aid ~l«>-A, 

'D1e tape tsuat t\.•r 1• a ommercd.a1 prbtlag telegaepb \1111' tl'Ulmi tter a.. 

dgnecl far uae wlth the eo-Oll11e4 Bmdot ftw-1Dd.t co48. 'b trmu•d.tteza 

ha• been aodlfS.4 with regard to ti. lllrhg· to coataot .l•wn and to c-. . 

t.acte in erct.r to nt t the pml.iar reqa.lreenta ot Ile coawrter, ype 11-131. 

The tape etep forart. napt has al•o 'tleen rno"CID.d for ope•'1n. n. 8 .Yc4'8. 

T'he tape tran11111 t'8r ·is rao•bl• trma the baae of the at t PIOJl9 r, e.' 

varicn.ia conmott.oaa bet.en the ta1.»9 tl"9Zl8m1 tter ant tba rtm&tn4•r of ~ 

UJl1 t being tellldnate4 ill a ma1 ti-plug and JaCk arrmgement. Die coataet1 of 

the mul.tlple Jack (or spd.Dg cl.tps) shftl.4 'be 1DBJBOte4 ooaaa1~ ftrr 

Pod tive CODtact. !'he tape step tb~I'\\ •eb&D1• lllF be ~ ~ ~or correot 

operat1•n 9hoald the occaaioa •r!&Dt. 'lhe ptas am •lll coataote ehoa).cl 'be inSpc~cl and &dJ•'e4 u deeodbe4 in secttoa 4. Tldlig, Plar. 1. 

~· L!gp lkarA. 

Reference J't81e 1 and 3, &4 dawblg ZS-J-11'1'7-A. !he :i-. baar4. 

18 an aseanblT of tnnQ'-8"9D lamps wltb tbe zie•1•17 Soalte'I And 1 ... 

cape. i'he l•P capa are cle11gmW u ·•ho• cm 11g. 1. Ollie l•P cap ta 

blank and not in ue. it ba'dnc 'been acnmtect • the 'baar4 .-,1,- fo~ 1'8alOU 

of IG'imet17. The 1ampa ~opr are Eye~ 11135, •sda ffl), JBml id--

tor. 6 TOl ti, m1Di&t"IU9 baae, .15 -.pa., T3 ba1 b~ llal4a !, &1l4 •7 )e :repJ.aoeC 

a• such. 1'1tb refereme to the drawing m-:a-J.177-'e 1t 11111 be noted. bt 

the lamp eoclceta a ie conneotecl in ctaRon an4 the cat.i tendul of· elloh 

l•P te wired to a apdng b911 terminal. of the cli•• CGllftrter atator,. 

-6-
REF ID:A522304 

2-14.-33 

e1'8scriptlon am Operating Inllt1Uet1ons tor Converter, type 11-134. Sheet l'1 

,a. ::Be.t te17. 

. An 8-Tol t storage battery of at lea•t 90 ampere hmlr capac1t7 should 

be used· for proper opera t.ton of the 1111 t. '!'he maldmam ear rent eou..~ption of 

the Tarious elements of tbe tmit at &llJ' instant ia 56- ampere•. Th1 s Telue ot 

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