Technical data
-
FUEL SYSTEM
FUEL
PilMP
REPLACEMENT
1;
put
‘the
vehicle on auto
lift
and
di-
sconnect battery negative terminai.
2:
Operating from below the vehicle,
left rear
side,
disconnect
tables
0
supplying
the
puma
,a.
3.
linch
tubes
@
and
@
, then
loo-
sen
champs
and disconnect tubes
from the pump.
CD
and extract the
1,
Fuei
outlet tube from pump
2~
Fuel pump
3 Fuel inlet tube into pump
4
P’ump
supporting clamp
5 Pump supply
table
5. Mount new fuel pump fixing it with rele-
vant clamp, then reconnect b%es.
6.
R’econnect
pump supply
tables,
being
ca-
reful to connect the correct lead to the cor:
rect terminal.
7. On completion of refitting, remove pliers
on
imlet
and o’utlet tubes and reconnect bat-
tery.
PÀ32:79EO883301
-
DAMPER
REPLACEMENTREPLACEMENT
1. Loosen clamps and disconnect fuel1. Loosen clamps and disconnect fuel
inlet and outlet tubeinlet and outlet tube
0
@
0
@
andand
from damper.from damper.
WARNING:
Be
careful: fuel system
could
be
pressurized
2. Unscrew figure-shown fixing nut
a8
remove
damper
@
from bracket
3
1 Damper
2 Fuel inlet tube into damper3 Support
bracket ~
4 Fuel outlettube from damper
‘,’
3. Refit a new damper working in rever-
se order respect to
removal.
ELECTROINJECTORS
CHECKS AND INSPECTIONS
Check
on correct electroinjectors
ope-
ning
1. Detect CO percentage at exhaust
(see: Group 00
-
Engine Maintenance).
04-l
5
2. Disconnect electroinjectors
connec-
tors
one,by
one;
each
time detect CO
percentage at exhaust and check that
value remains constant at all
checks.
3. If this is not the case,
locate
the
faulty electroinjectr and replace it.
(seei Replacement).
4. In all cases, a visual index of
elec-
troinjectors functionality is provided
by comparing spark plug
electrodes.
-
A too-rich mixture shows black
colour.
-
~ A too-poor mixture shows light
colour.
REPLACEMENT
1. Disconnect battery negative termi-
nal.
2. Disconnect supply wiring
connec-
tors
0
from electroinjectors.
3:Unscrew
figure-shown fixing screw
and lift the fuel
suppl,y
hose
0
freeing it from electroinjectors.
WARNING:
Pay attention
SO
that residual pres-
sure in the
.tubing
does
not cause
:
sprays of fuel.
October 1988
~