1993 NISSAN SERENA Service Repair Manual

INJEgflON
SYSTEM
Fu€l SFtem (Conl'd)
lln m
tFr
IE
tql
,fiIil}
rN{$lffi
1"lt(i\\@t
EF & EC-348

INJECTION
PUMP
Removal
1. Dlsconneci banery
O ca
ble, luel
cut solenoid valve
6nnec-
ror and ac@ledlor wire.
2. B6mov€ €ngin. und$ @v€..
3, Set No. I pislon
al T,D.C. on its @6p@ssion sloke.
T'o,c: whne pahted
malt
4. Benove rLelhoses
(srpply,
relu a
and spil) cnd iajeclion
Femove.onfeclors a.d tiEtion clamps irom lhe cover.
Refrove inject o. pudp
liding bet coverc.
B€mov6 inj€.ion pump
liming b€ t.
Femove inj€cllon pudp
sprocket
5,
9. Femove injectlon pumpassedbly.
Feter to EM secto..
EF & EC-349

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