NISSAN SERENA 1993 Service Repair Manual

INJECTION
PUMP
Dlsassembly
t
@ffi! ,AV
*
z/_
a
LAt -@o€-
o Pobd
onds nonhs
badd
o Max
ium 3!.d adj$lie
&r.w
o Nsh
s6dod6 e€r**m C,
cord
srad i9 dev c6 asnb y
EF & EG35O

INJECTION
PUMP E
Disas.sembly (Cont'd)
Belore perloming
diessembly and adju$denl, lest tueL
nldcton pump
and noie iest resu ls.
Prior lo slaning disassembly of fu€ injeclion pump,
clean
al dusl and din lbm ils
exlerof
t Dis.on.ecl overfow valve, and d6ln luel.
. C ean woft bench complelo y,
r€mov ng
a I
loreign
mater.
r Colect lhose serui.e loos n6.6.sary lor
diessefrbting
r B€ carclulnollo b€nd
orscrat h anv oal6.
Sp€.iEl r@b rB n .d.d lor
di3agmbllng and |lenbling
COLD START DEVICE
1. Remov€ h9h
speed conrrc l€v€r.ss6mbly.
2. Femove
6ld slad device assembry
NeEr dlesnbl€ @ld 5t.n
devle llnkagc,$T-
r--
a-D
EF & EC-3sr

INJECNON
PUTiIP
Dlsass€mbly (Contd)
DASH.POT
L Remove dash-pot lon injeouo. pump.
GOVEBNOF COVER
NOE: RemN lhe porentbrEter
ol Iniectid punp
n ft.d.
1. Remove nul, sprinq washer, spring seal and spnnq fbm
2. D6waliqnne.r
na'ls on @1ol ever a.o @nrElsr.n.
ffis. 3. Benov6 govemor
covBr.
Mo6 6rlEl 3h.lt doh by llghdy
iapplng end w|rh a wodr.n
4- R€mov. contol
shatl lom lenslon lever.
24ll-(n\"
EF & EC-C52

INJECTION
PUMP E
Disassembly (Contd)
5. R.mo@
oov€mor.h.ll.
ts'd lek nut by luming ii 6ud6El6k{i&.
6. Benove goeemorsreeve,
washer and ll!4veighr, along w h
llyw€ ght
hold6r, lh6n 6mov€ wash$ and shih(s).
A. R6mov€ d€livery hold€r, spnnq, dBliv€ry valv€
and qasket.
DlrMbutor hed h* l€Q.E (A
B, C sd D) .LnFd
o lt
B€mM l.$.Ed p.rr6
In .lph.b.del ord€r .nd .|69€
Erdy.
9- Bemove lu€lculsol6noid valv€.
EF & Ec€sil

INJECTION
PUMP
Di6assenbly (Confd)
r0. Remove disidbulor head.
Be er.tul nol
to drcp
lhe trc 6upport .prln$ and
tulde plrc.
1 1 .
Famove plunqer
assembly.
Uit plu.$r,
abng wih dnliol de, .him, .pnng
8Et and
12. Loo*.leftand
rightgov€nor pivot
bo 1..
13. Bemove govemor
lev€r ss.mbly.
Awld pulllng
d start spdns sd 8t.n
kie 6pn.g,
14. Remove shim c.m disc
spnng afd dnung dM.
EF & EC43r

INJECTION
PUMP
E""'fu
"'t:r Disassembly
(Cont'd)
15 F€nove
cip. end pin6.
.. 86 er.tul nol to *Edr inBr
b. Be @Etul not ro dbp t€ r6y, srr@
ot nd hi.clld
16
Move adjusiing pin
lo cenlq ol rcll€r hod6r, as shown.
17. Litl out rcller holderwilh olle6 wilhoutiillins.
Ee eFtul ..t io drep rctE6,
EF& EG355

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