2 OPERATION No MA. 142-O :
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1. Wait for the electric cooling fans to cut in
2. Engine idling speed
: Adjust screw (3) to obtain the following result
idling speed of 850 to 900 rpm.
3. Slowly adjust mixture screw (2) so os to obtain the following result
1.5 to 2.5 % of CO
1
‘, hiT<, “,, /horiscd r<mf;ir,~~ rr,rrrsprinli 10 nr,
8.7
‘/ or more of co*
nmhic,,/ l<~,,,pv,‘ntrr~c 0, I5 lo W” (.
4. Adjust screws (3) and (2 ) so that both the idlinq speed and the quantities of CO
and CO2 are correct
Make surf that mixture screw (2) is odiusted last.
5. Fast idling speed :
Sa’itrh 012 Ihc nir rwdilim,h~g compr~~ssol:
and
adjust saew (4) to obtain the followinq
Fast idling
speed of 1000 to 1050 rpm.
NOTE
: In case this idling speed is impossible to obtain the capsule can be moved ( by unscrewinq its two
fixihg
screws on
the
carburettor
) in order to reduce the clearance ot the fixing point of the
rod
opening the
first choke butterfly.
NOTE
: On vehicles fitted with air-conditioninq the compressor must be switched off during adjustment
1. Wait for the electric cooling fans to cut in.
2. Engine idling speed
: with the gear lever in the o Neutral >) or /( Parking >a position. adjust screw (3) for the
opening of the first choke butterfly to obtain the followinq
an idling speed of 700 to 750 rpm.
3. Slowly adjust the mixture SCEW (2 ) so as to obtain
115 to 2.5 “/, of CO
‘l’h~sc anlhorisrd rcndin~ rorrc,spoad Iv m,
8.7 ‘7,
or more of CO
21 m~bt~wi I ~cnipw7tnr~~ 01 I i k, 30” (.
4. Adjust screws (3) and (2) so that both the idling speed and the quantities of CO and CO2 are correct
Make
sure that mixture screw (2) is adiusted last.
5.
Fast idling speed :
wilh /he hnsdbmkr npplic,d, furl cz SPOT
..,gayt>d : adjust
screw ! 4) to obtain the following;
fast idling speed of 725 to 775 rpm.
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