Ducati 748 monoposto strada Workshop Manual page 241

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ENGINEOVERHAUL
Eng i,e lubr icotiog eire,"t ioel ude,
II Oil >l)mp
21Nellil'er
31 Oil pc'"p,
41 Oil coole,
51
Coo",,"
by?"" valve ,
61Cartlidge lilter.
71Prcs<u rc relief vol",
Ibv-p"")
81Pre"ule Irm ,d ucer Ipre"ule ,wi'Chl.
91Bleed vol""
Oil pu mp 13);, al lhegea r
type
and i, opera ted by
I-Je
cronldoll via 0 gea rVlir, w lha, ii' delivery ro'e voriesw:lh eogioe ' ,p,m, 1 _ re+ ereflGe
I;gu,e, uoder >eclion "Ge-erol N fO R.MATlON"1
Arry pressure drop, in <he
~i rc u it
are ,igoollcd by 0 Irom a Jeer
(8)
Oil i, pcmped fro moil wmp 1111 '00 , i<echl throo.rg h oN fi lte' 12), thot col lect> a oy co" rselore;gn ma"ers,hal m
a y damage 1he pu
mp, The pump
b onde, in
rwo
circui" a t lhe pr""""e ,ide. O ne i, lorde lr.-ery 10 head" where ;cavenge oil then flow, down bock inlo the
'lXTlp.
The other
one "'(l(is to oil cooler 1 4),
OilllowlO COOIe, is governed bya vulve 1 51kx:oled ooJer""ulh carlridge liller 1 61.
for
oillO
be
byp",,,,d a
round the
COOIe, ioIh" evenlofcloggiO\j
Th i, mi' e, oillcmporo turc, bu' enwre, oilcircu lalion, f,omoilcooler, ailRow> IO w r!ridge filte' 161. Thi, a ba
~o ,
a built'inval",
Ia
prc",nlclogging
and enWie oil (irculo liao.
No''',
I>owever, Ihot oil i, fIOl lill" r"" when rolely volve open,
Tk rc ore threeoil circuit, dqXH"ing from ,he liller,
A
l i'~
ci,cuillead, 10 pr"""r" relielvolve17). which diverts"XC"" oil bock10 ,,-,mp. 01 S.P. ve" im , Ihi, circ" i' delive " oil10 rOOrcyliode< ,hr""gh
a i>oIc in a
cronkcosesew'" to cool pi,1on crown ,
A secOfl<:J ci, cui' del;ve" oil 10 the
' lOll",'
lor piSlon crown cool iog 1 00 S.P. versioo" loi , o"ly applie'
K>
froo' c} ioderl.
A ih ird
c ir~'"t
run, lh,cugh a Guet io the d Jleh cover on<! delive" oil to crankshafl
The pre,wre tronsduce' [8) i, li H "" on !hi,
c~coi t,
Oil rv", i,,, J e cronbhofl
K>
Iub,iccle big end OOo,ings. 0, S.P. ver,,,,", il flows th(cugh 0 hole in COO""di"g rod ,"air
Ie
lubr icote pi""" pi"
ood , mall md b,,".
As it run, in lhe doc'
i o ~ d e
UCW1b hof" oil is d"livered 10 'imi"g loy goors, ioner ring 01
,to",,,
geer ood
,torte<
c" lCh through ' oe preperdrilling,
arranged rod'olly
in
Ihe erarhoofr.
At!he eppo, ilc cronk>oolt end, oil l"briccte, mair. bcariog in 9<'"" ralorcover. Once cu' of prc"urc.fc<>d circuit, oildrip.! dow" in toe crankcaw
and lubri<CIe; 9OO roo> maio;hoh, gooroo>, cr,d lhe !>eWing , 1101ca rry goorOO> ;hal"
To" brN i'ercircu it
fer
the va pou " devclopir.g in, ide cronko>c indudes a reed v d vc 1 9 1fil1(>:J on lop of
the
R, H, crankcaw, a ,cavenge oil'(lnk
ond a pipe lead ing 1 0 oir
00<
G 39