• -, - SICTIOfl , 0 , , , , , U , , , • • • • " • " • •• COJO'i:)i1'S Peg. D"eriptfoD ... .. .. .. , Gene,,"l data .. .. 8 L\lbr jell t i 011 eyat .. De.cril'tion ... .. .. I'''"O&U''' r"lier "alYe •• .. .. ,." Re .. eving ,.0 !"elHUIIR P"UIUNI reliaf vlllv •... ,. Adjusting .. , oil p.. aalRlre •• , ... .. ... 26 W&inteUAuall ... .. .. 26 111gb" oil .. .. ... .. 27 Chltngillll ". ,il .. ... .. .. 27 01' tilUr (Jull ClIIW typeD) Description ... .. Sel"Vieing (Tocalllllli t ) .. ... ... " SIIM'icillll (Yok.es) ... .. ... lilt ...",,] oil coollll' ... ... " External oil (1001 01' " Description .. .. ... Inatalling ... .. .. " all"'ov; .. , .. , ,.erHtlng .. .. ... " Oil P'''' " Description .. .. · .. RamoYing ." refUting ... .. · .. .. " Dis=.ntl llll .. .. · .. " Iupct<,tioll .. , 1'........ lIIOblll1l1 · .. .. • •• " Cylhlder h ••cI D.,crlptloll .. .. ... " Romoving .. , pgUttin.. ... .. ... ,~ " Valve cloarll"c88 ... ... .. Dilill&J\ t I IllS' .. .. ·..... .. "48 hapllctloll NI-<!ondt t 1011111 11 · .. .. ... Rflplacllli 'f--,... lv e fU tel .. .. .. ... .. " Replaoflli rock.r buab .. .. .. .. ) Ro ...... n.CIb ling ... ... .. ... " Cylinder bloci< " De scriptlOIl ... ... , .. Ro-borillg .. ... ... ... " ( SIC1IOII 1. -, - Cr8.D.tahatt OueriptlCla .. ... ... · · • • · • R..owlPI aad rerlttlp, • · · • • · " Iup'ctioll ... • · · " Waia beariDg •... ... "60 riUllI, ... Ia burIDI' .. · · 60 Re-grlodllll ••• . •. " · · · J'lywheel aod atarter rial · · · " J'lywh.. I ... • .• • • CODAectiDi rod. 8.D.d pi.tOIlI · " Vucriptfoa · · · "64 R&mowiDi aad rGrittial · · · 64 IupectloD · · · · • · lleplno1DI bil-8ad beo.rl.D.g •... ... · · • · • · • · " a&plaeiDI rudEloD-pia bUlhl. · · · • • " Oworli1& pi.tODI • · · · • · C".IIh&lt " VucrlptloD ... ·.. RemClving IIlId retlttlni .. .. · " ... .. " ID8peotiClD ". .. ·" . 70 Replaolng bl"ringB .. ... ·.. "JO TI&1111 ... " . 011 Inllllp DUcriptiCD .. " .. " RemovlDg &Dd rollttlal .... 7J Ip1ttOD I,..t_ " Delerlption ... · .. .. 74 Vt.trlbDtor .. !ntlllllnu 011111'11 .,. .,. ••• • •• ... Lubrio&UOD... .., ••• . .. ... "77 Cleulai cClPtact breater.. '" •.. .., ... 77 SetUog oCllltaot breaker lap .. , 78 ReplaClIU.IItl ... ... ... ... ... • .. 78 Replaellll eClltaot breater •.• ... Bepl acb, eond8lleor ••. •.. • •• ·.. " Removllll &lid r eCittlo, dlltrlbutor and drive ..• "80 IgalttOD U.iIIl.. ... ... ... ... ... ·.. SparUPi plule ... ... " IIhaUlt 111t.. •. " RI.oV!DI and IDlt&llll1l the 1II,Inl " Type 400 cel'l ..• . •. .. Typll 401 &Dd 402 e&rl .. .. ·.. .. "87 EDIII ..I tun ...... p ••• .. · ... Runnlnl caDIt. ... " Sploial tooll ... ... " • • . , . 8&01'10" 1. SBRYICI HULLITl!! RICORD SHEET -- No. SUbj8Ct Oat. Signature , Carb.... ett.:lr Ccnv.. rs1~ . >S . 4. ",. !:Iabodied. - , Stripped thre~ in S~ Drain. >S . 4. ",. • • ) Engl.l1. and Exha..at S;fste... (l'~ 10.0,) >S . ... ",. • - .. Inhl'I\al 1.11 1 Cooler, )0. 4. ",. • -:- r' r , r,~ ,/.,"/ ,- "C/" ( .. , ;,. _ ...... <-'l.. ,u ...... .,,~ Ir .. • " , ~ ~, ~".,,~:> .-- i , "Cr , J.J" .:. 0 " '7 - • I . • c - 1-'-- I - ) - • I - - -, - SlCT lOII 1. CH G IN S '" eXlIAUST SYS1'I)l DESCRIPTION The OOlio •• tltted to t7P88 400, 401 &Dd 402 .ar. ara ba.I._IIl' identi.al witb the o1oopliou oC th_ carburettor" .0. the Goueral D~ta of Sootioo J. 'ica, I and 2 illuatrate the OOllatruetional futurlt9. Bearing_ of a aimllar type ara employed Cor the biB endl ot the connecting rods, the ~ ~Il ond bearing. Cor tht flOAting JUdgooo pins boing bran•• bushe •. A chain drivo i. ~p107Gd ror tb. caa.har t .blob Ja a" ppo r ted in tour bron~. buah boaring. 00 the lort_hand .Id. ot the cylinder bloo~, AD jntegral halleal Ir0o .. loc llt..:i e~ntr.lly OIl the ~n. engaging thl distributor and oil poap drive pinioe. Th. oi l pump 11 bolted to the bAlO DC the oyllnder blo.:t w1thtll the Iutlp. An adjustabl e rell.r nlva h .eahd io the "ylllldor bloek i_Hlately above tb. 011 r il hr, control . the prO IBUr. at tb. oil deliver.d to the bear!ag •. The detachable ligbt ... II.,. o,.l 1adar talld aoo .....oda1o. hAr duod ul ... lIeat. wbieb or. ebrink-litted. Bro&,. valve guide. l ocote tb. exhauat valv•• on t be right-band old .. at the head aad tho lalot valv... 011 thc left_baod o1dl. Tb. overhalld rocker ayatom t, oper ated by pUlh roda, auxiliary pu.h rods being uaed t o transait tb .. move.ent oC tbe Ixhaust pUlb rod 1 (via auxil i ary rocker ••ounted ) on t he Inlet rooter spindle) t o the eXhau.t va l v••. ,• SlC'l'IOll 1 ••• ..• •i •" •" "• " ~ • 0• • "• • • ,•• • ~ • -• .•• • .•• -• • ! , -• "• • ~ • • -• ) - 7 - acTIO/( I , 0 1 ) 'ill.2. TrllDBVer ... ~ .. etl"n ~i~ .. or Ty.e ' :;A [ol;inc . • 8&CTIOII 1. - 8 _ Th onlllno aJld gear box llDit 11 flexibly .oUllted on lour bonded_rubber blow, oylinde.. blont and chassia rrame, and tho •• at the ,.enr bOing ••oured b,tW8eo the 'rcr que burrer e an Citted OD tit. lett_hand , id. ot tlta !lywheel hou,toll. OEN&R.AL DATA ")').>41 ••• . .. No. of eylindor6 ... 611> l ine. Bor o ••• 2.5984 i n. (66 11.11. J, Stroke ... J.779 In. (96 11.111. ). Copr... ; oo ratio .. 7.' to 1. CubiC enpnnlty (piaton d hp 1""'lIe" t) ... .. 120.} eu. In. (1 .971 0.0. J • Bated horn_po"er .. .. 16.2 (R .A .C. ratiDI). liIa.dllUll B.II. P . T". 85 ... ... 75 at 4.200 r, p . ... (76.Of. a,v.). T". s,. .. so 0< " ,200 ... p ••• (SI.l0 a.w.). Type e~ .. 85 at 4.500 ".p.lII. (86.10 c.v,), • st,lt t of 0111111111 (h.. Bearbox) . Type 85.,. .. )50 » . (I,S.5 kll'.)' TyIW 85" .. )50 ... ("8.5 t,l.). .Type 85<: •• ," >b. C157.1 kg. ). Oi l puap ... Gear type. ) Oil _UIlP capaoity .. ... 10 pint. (:1.68 11 trn) . Oil riltu... -'ot ••- or · T."al .. lt". , 1l Oil prusure &0 p .•. 1. (4 .22 kg./IIII. ) at 70 C, &Dd ), 000 r.p .•. - -, - DC1'IOIIi I. Capaeity 01 e ~teroa l oil GooIer (optioaal tUtlo,) · .. 1 pint (0. ,68 lit .... ) appro~. Cyllllder block Type ..• · .. ~ono-bloe caating. t.t, tTP8 B~ enlin', and all type 8)(: "Ol iIl8' rittod .. lth dr y-two cyllnd,r Iin .... Interterellce tit bet ..en 1 in'r and boro · 0.00}5 in. to 0.005 in. .. (0.08911.11. to 0.127 11,11.) Ta ppet body in cylindor b l ock - dodnd 8Iearaneo .. 0.0005 In. to 0.001' In. (o.on 11.11. to 0.0}8 •. 11.) Oil ptlIIIp Dr i ving IInd driven gOllrs, dia. 0.884 10. (-0.0005 In. ) 22.451. 11.11. (-o.on IUt.) 0 . 1:;55 10. (+0.0005 in. ) 22.479 11 .•. (+O.OIJ •.•. ) Radilll cl,arllnc8 ot lOar, in "a.ll1g .. 0.001 10. I. O. ""' 10. (0.025 11.11. " 0 . 051 ..111.) Driving IInd dr ivon g'ar jour nal dia. 0.J74~ 10. (-0.0005 in. ) 9. ,12 11.1:1. {-0. 01 } ..... ) J ourll& l looati oo dia.. In pwap caain, 0.375 10. (+0.0005 Ill. ) 9.525 111.11. (+O.OIJ 11 .•. ) Runn ing oJ,aran", oC g.ar journa l . In eaSing 0 . 000' I •. i. 0.001' 10 . (O.OIJ 11 .•. " O.O}S •.•. ) J ournal l ocation dia •. i n JlWI.p COVlr 0.}71 j n. (+0.0005 in. ) 9.525 '.11. (+O.OIJ 11 .•. ) Runn ing cl.aranco ol g.ar journal s in pump aOVlr ... ... 0.000' 10. i • 0.0015 10. (0. 01} '.11. " 0.0}8 ..... ) End-floa t or 18ar a · 0.000' 10. 0.0015 10. .. (O.OIJ •.•• " 0.0}8 •.•. ) " Back la.h or ,eau . · .. 0.0046111. 0.0066 in. (0.117 111.11. "" 0 .1 68.,11.) _ 10 - Cylinder head Type •.• .. Detachabll . Watorial ... .. Ah.. iallIll alloy with etul 1'11.1 .. () • .. ta alld phe.pher-brellla 1'11.1 .. fIIld ... Valv.. and f ittinga . .. ... OVlrhlad illclillld . Valve actuatien ... '1'111'1 tI.ing IlIlet epllll .. .. ... 1<P Sllerl tep dIad oentr e. bllt 11.111. ... 5d' Alt.r bett ... d.ad ellltra. .. 5d' Deter.. botto. d.ad oontra . E~hau.t elc ... ... .. Id' A!tor tcp dead clntre. Inllt valve. Tappet el ..r ..... c. COUl ... ... 0.0021n. (0.051 Ill ••• ). _ ,,11. Vahl ..at Ingl l ... · .. 'a hi. - .f h"erta . .. · .. 0.)105 ... (7.887 11.10. ) Valv" guide bore dla.eter .... · .. 0.3125 '0. (7.a)8 11 ••• ) V.I..o ue. and guide - de.ir ed clear.nce (ce1d) .. ... ... 0.002 '0. '0 0.()(I28 In. (0.051 •••• b 0.061 •.•. ) V.I.e guide outside dill.. , ... 0.1,81 '0. (-o.0005 ta.) 12.217 •••• (..0.00 •.•• ) 'aln gu i de 1001l.11cn bore 0.4787 '0. (+0.000.5 111..) 12.1.59 J.. D. (+0.01 ) •.•. ) Interhrcncl fit of val ve' gu idl In crlindlr h ...d ••• .. 0.001) '0. '0 O.OO2J JII. (o.on •••• '0 0.058111.111. ) Innlr Irrlng _ t ree ' I ngtb (apprex) .• 1.62, Ill. (41.274 •.•. ) Length wh I n leadl d te 47 .5 Ih <: 4 Ih .) '" 1.028 ill. 20.6 tg .( ~ LS t g) .. 26.111 •. •• • _ 11 _ SECTION t. Outor spring - troe length (approx. ) 1 . (,87 in. (1,.2.850 m.m.) Length ..hen loaded ta 54 l b. (+4Ib.) 1.028 in. ( 24. 5 kg. '0 1.8 kg.) ... 26.111 IO.!II. Racker buah bore dia. 0.510 '0. (12.951. m.m.) !locker spindle dill. 0.509 i n. (12.929m.m.) Roeker hush ... nd spindle - desired olearance .. ·.. 0.001 '0. to 0.0018 in. (0.025 11.. Cl. to 0.04(' m.m.) Exhaust valves Tappet clearance COLD • •• O.otQ in. (0.051 m.m. ) V... lve 80at "ngles •• ·.. Valves 45". Inllertll - 45°. Y... lvo IItOIl. dia. • •• · .. 0.Jl05 b . (7.887111. 10. ) Valve guide bore di .... · .. 0.J125 in. (7.8J8 m. J:l. ) ValYo at"III and guide - desired clearanoe (oeld) • •• · .. 0.002 in. to 0.0028 to. (0.051 11,11. to 0.061 11..11.) \'alvo guid" outRide di... · .. 0.1.81 in. (-0.0005 in. ) 12.217 11. m. (-0.01) 11..11..) Valve guide looation bore · .. 0.4787 in. (+0.0005 in. ) 12.159 m.llI. (+0.00 m.IlI.) InterCerence tit ot valve guide in cylinder h"ad. ,. ·.. 0 . 000 in. to 0.0023 in. (O.OJ} l:I.m. to 0.058 m.II.) Inner spring _ tree length (approx) •• 1.625 in.