Technical data

,
FUEL SYSTEM
,,
AIR FILTER
@-
1 Air filter caver
‘2 Clamp
3 CU flow meter
4 Corrugated sleeve
5 Adjustment kcrew to fix air filter container
to body ~
REMOVAL:
,Disassemble’ air cleaner body as fol-
lows (see figure):
1. Unfast the clamp @ and discon-
nect air cleaner caver sleeve from air
flow sensor 0.
21 Unfasten the four spring clips secu-
ring caver 0 and remove it; remove
the filtering element @ .
3. Unscrew three screws
0 securing
cartridge @ to body; remove filter
container
0
@
with spring element
and spabers 3 disconnecting0
sieeve
@ from air intake.
4. In necessary, loosen clamp and di-
sconnect sleeve
GI from container
63. :,
6 Air filter container
7 Spring element
6 Spacer
9 Air intake sleeve
10 Filtering element
CHECK AND INSPECTIONS
Thoroughly clean filtering element by
blowing low pressure compressed air
through the filter in the opposite direc-
tion to that of the normal air flow. If
necessary, replace filtering element.
ASSEMBLY
Assemble air flow sensor/CU follo-
wing disassembly procedure in rever- l
se sequence.
.
Position the filtering element in
the container SO that the folded
protrudding part is facing down-
wards.,
AIR FLOW SENSOR
The body of fhe air flow sensor incor-
porates the blectronic control unit for
the pilotiqg of the fue! injection sy-
Stern.
REM,OVAL
1. Disconnect the multipolar connec-
tor @ from the body of the sensor
0.
2. Loosen the clips securing the ducts
0 0
and and detach them from
the air flow sensor.
3. Unscrew the three screws shown in
the fi ure and remove the air flow sen-
sor2.
8
4. Only if necessary, unscrew tbe four
screws (one ‘of which lies beneath a
sealed plug) and remove the caver of
the air flow’ sensor. The electronic
control unit is coniained in the caver.
1 Air inlet duct
2 Air flow sensor
3 Corrugated air intake duct
4 Multipolar connecter
CHECKS AND ADJUSTMENTS
Press gently on the floating throttle of
the air flow sensor and check that it
rotates freely and smoothly as far as
the travel stop. If necessary, clean the
interna1 surfaces of the air flow sensor
with a cloth. ~
REFITTING
Refit the air flow sensorlelectronic
control unit by reversing the order of
its removal. i
If it is being replaced, proceed to the
checking and adjustment (if necessa-
ry) of the exhaust CO% (see Setting
and Adjustments).
October 1988 ~
04-l 0
PA3279E0883301