1993 NISSAN SERENA Service Repair Manual

INJECTION
PUMP
Disass€mbly (Cont'd)
19. B€mov€ speed lim$ 6ver, O'.ing, shims, spnng, pislon
20 Femo@ @gulalng valve.
21. Loosen so€w Jrcm t6.d oumo cov6r.
22. F€move @ver and teed pump
ass€mbiy as a ufit.
(1) Insen leed pump
hold$ (rs11229542)
inro lu€l injection
(2) rurl
inj€clior pLnps
lop s.d€ down.
a6 6foh.
(3) R€movB €v€f and r6.d pump
a6.€mblya6 a unh,
a. lt@6r6ndt.€dpumpE,.mHyaFhadtoM@caE
stuck midw.y, srrlke pump
body llghdy.
b. Do
not
nr@ Gldon ol Ene
Inspeclion
1. Wash allpafls compl€tgly.
2. Rep ac6 wom or drmaged parls,
3. Conlrcl €dge ot plunger
musl be sha@ and dniact suF
ta@s musl nol 6xhibil any nolic66bla tunni.g
tEcks. It such
is nor$6
66€, replace plunger.
4. Ch6ck heighl
otallrolle6.
DitLEB in
oll.r hdgh
.h@ld be lese rhan 0I'| nm (0,(xX!3
EF & EC€s6

INJECTION
PUMP
2. hspecrion
(Cont'd)
FEPLACEMENT OF OIL SEAL
Ass€mbly
Alwarys €plc lh. lollorlng sle prrb
€ asmbly unir*
. Dlslnbulor head. @nrrolsl€ev€
and otlnoer
. Fe6d puTp
assmbly
tp-mp 'ndler-€nd
v6.€s with
. cov6hor levera$embly
PFEPASATION
Dip all movabl€ pans
and O-dngs in i6sl oit
and .tean.
1. Loet6 i@d pump
@ver, rotor wilh van6.,
and nnq o.
spe.iar .eruice lool Kv11229542.
(1) Align rhe
lhree hoes In l€6d pump
der and dns.
(2) Do nol
chanoe posirons
olv5n6s.
(3) Holes A and A in ng
are noi
equatty spa€d to inner
watl
2. Inelall leed punp
cov6r, rclor with vanes,
and ng b pump
Be €retul to lGr.ll llFr ffi{y.
lf A dd B 66 tuE€d. luel
wlll not b. dl*hlrg€d lrm
lbed p!np.
EF & EC-357

INJECTION
PUMP
fa
F.
l
b4rd|b6gle' Assembly
(cont'd)
FEI ini.clid pump
rclai.a indnetun '4",
as Indlcaled o
Tum lu6l inj.clion pump
lao', and cmove sedice lool
KV11229542, Tiqhten screw lo @lain pump
6v€r.
Whd dghrenhg 3@sB, h. oEtul not lo &6lch Inn.r
Alt6r ttghidtn! &@i nak6.u€ ro(or stth !.8 mo€
4. Make
6uE d
veshaftandg€ara€ass.mbledprcpa y,as
Oo nor lotgst bunp6r rubb6e
5. l.sialldde6 shatt to housi.g, engaging dive shaft key wnh
B€ eElul not ro sEtch oil s.sl3 .nd inn.r sEll of hou.lngl
6 S€r d v6 shdfis n€ilp:6llello lim6r.
EC€sS

INJECTION
PUMP
Ass€mbly (Cont'd)
7, lnsiall rcllerand hoLder.
.. Do nol id€rcnsq€ 6lhr p6ldoc.
[ $ey e
Idlerch.nqed, @br lo lBpecdon lor 6redd.
b, llJlake se w6lEr b lnuded dt3itl6 0l nll€6
a. Align hold€rsnd rim* adjusrinQ pin
hoLes,
Inslsllim.r piston
a|d slideras a !nil.
Make &€ hoL h .lld€r l.B rmrda roller hold*.
Mak6 3!6 6nEw hol. in piBton
ia on sm
alde 6 rdlm
i0. hs€rt tmer adjlsli.g pin
into lim€r piston
slid6r, and.ecuE
with Btaining pin
and clip.
tuake 3u€ limr oi3ton n@ .m@thlv.
1r.Instar rim€r, Bins a 0.6 mm (0.024
in) thlck shin, rhen
insrall r
m€r sp
ng,
shin. Oiing and @vef, i. thal ord.f.
r Ue Er
b..l @ shln on 4.h slde ol rlFr 3pfbg.
b. Ue shlre fiar g@
eb.i6d dldng b€n.r! t ar.
o$.!
*] EF & EC-€59

INJECTION
PUMP
A$embly (Cont'd)
12. Indall regu allng va ve.
a. @etul nol lo 4Erch
o{ing3.
13. Insla I driv ng d sc wilh its con€ve side lacing up,
(2) s€l dialqause so lhal il €n compress 10 nm (0.39
i.), and
{3) Apply
lore (nol
enouoh !o [email protected] pllnser
sprinq) lo
p u.Oe'/s botom 'n
alaldrecl'o. and measu@
dim€nsion
"KF'with dlal gauge,
6 shown.
14.
M€a.or€manl ol plung€r
sping s6l l6nBh (dimension
DlreBIon "KF' 16
nE didrE h€rs*n lh6 6nd tae ol lrE
dlcnburor b.nd and lhe end L@
ol dF plungpi
(l) Inslaldist butor h6ad,
as shown.
Do not hen 3hh Inlo
"A" por
on beloe |lEsdng
KF'
I:=- |
d"'ib*'hd
:L lr 6
onftlF.sd
EF & EC-360

INJECTION
PUMP
Assembly (Cont'd)
(4) D€t€mi.6 the shims lo b€ !s6d al 'i4
by €lcllaling dit-
l6€nc6 b6tw*n slandad and m€asu€d dim€nsion..
When nr*uEd (dlal gEugp
@dng) vd@ ls s,4 mn.
"KF -
5.4 fin -
Shln thlck1s io b6 u3.d,
.. Wh.n EE rE no .him. wrikble
ot a lhl.kns whlch
m.lch6 sF.ched dlm.n.loB, @ 3llghiy lhlcker shlms,
b. Ue elected .hln ,lih
dBtdbutor head,
c. u* lhe *ne dr ol3hi6 d 4h side ol dbrributor h€.d.
d. Reler to S,O.S, td ddilabl€ 3die Erl*
15. Adlusnnentol p
unger d frensions
{Measu€mentoldim6n-
Dim.Eion 'K'
i5 rhE dlrt ne lrom
the sd lae ol rhe dhrdF
ulor b.@l
lo the end le
ol lhe plungq
lop, wten rne plungs
ir .t
th. bonom de.d ent r Gldon,
(1) Insiall parts
s shown.
.. oonotin.t ll".pnng"
th.t li Inerted bei@n drlvlngds
b, Whon lEnlng plungor
.nd shin into em dl$,
Mke eF
trEr kn@k pin
ol €n dl* la Blturied In gl!@
at botion
(2) Usinq a dialgauge, measure didension as shown.
a. Rotab ddve .hatt & ltr.t plung€r
b r€t st
bottom dead
b, S6u€lv mount dklribulor h€.d wllh
e|e$.
(3) oelemine shim lo b.
belw6en measur€d (dial
dad dim€nsion 'K',
and used
by
€lcllalinq di(ere.@
oauqe r.ading)
valle and slai
Posilion thatshim
on lh€ bofiom
EF & EC-361

INJECTION
PUMP
Aseembly (Cont'd)
a. Whs
||EeuEd v.le la qerler
tho at nd.rd
dl|rHdon
''K", ue a lnlcker .hln.
b, Alter lhln h6 ben pclllqred,
ma.uE dlmm.lon agdn
to 6Bu6 lh.t it i3 dEcL
c. B.,br
ro s,D.s. lor awil.bl. *die
Etl..
16. Instal sp .g inlop ot drivinq disc and i.slall @m disc and
M.l€.uG cff di* driE pin.nd
dd€ 8h.li k y
L€ q@F
17. Instal
oovenor lever.
Awld pulllng
on .brt 6pin9 .nd d.n ld|e 3pdn9,
c. lmcrl ball pln
lor go{md
l.6 inio hol€ in @ntrcl d*
18.
Insiall plunger
a6sembly,
a Malr. .uc @nrrcl d€o@ I. l.d!ll6d k'th its m.rr hor6
l&lng 3prlng sar d.ro,
b. Wh6n lrnlng plungor
dd d n inio em di*, m.k
4B.,
lh.d knek pin
ol 6m die i. 8ituabd in g|@E
.t bottom
5"W,r"
EF & EC-362

INJECTION
PUMP
Aseembly (Corn'd)
19. Apply a coat ol grease
ro guide
pin,
shir cnd spri-g s@r,
and anach lhese pads
lo distnbLbr head.
20. Insla I
dist bulor head,
a. AlwaF le suppo.l 3prlng lomd g@md
lewi
b, Be @Etul not to ddp 3Fing.
c, Mak6 €uE ball pin
tor gmmor
lMr b insrLd
Fop€rly
inro hol. in Fnrrold*.
d, Aft.r insr.lling di.tribdor h€€d, mat
.uE pl!.gef
5pdng
|3.t gulde
hole In sprl.g st
21. Tiq
en d'slribulor head.
22. Anach llyvaight ass€mbly.
Whs in.r.llng gNmof
6han, b. €Etul not to &Elch
""_Ji>
-h.s*
EF & EC-363