Choke Valve Stop, Checking And Adjustment; Idling Adjustment, Engine Speed And Co-Value; Adjusting The Idling Setting; Removal Of Deceleration Valve - Saab V4 Service Manual

1. Move the choke lever to the limit of its travel against
the stop on the choke cable bracket.
2. Using a drill, check that the valve in this position can
open 0.15 in. (3.8 mm) at the bottom.
Adjustment is made by bending the stop on the brack-
et.
ADJUSTING THE CHOKE FLAP STOP
N.B. Adjustment should be carried out with the engine
at its normal running temperature and, with due consid-
eration given to mileage, the adjustment should be pre-
ceded by a check on spark plug gaps, the ignition setting
and the valve clearance.
1. Ensure that the snorkel on the air cleaner is in the
"Summer" position.
2. Connect the tachometer and CO meter. Switch on the
headlights on low beam.
3. Adjust the engine speed and CO value by means of
the throttle valve screw and the idling mixture screw.
Oct. 1975
E
E
ADJUSTING THE IDLING SETTING
1. Screw
2. Idling mixture screw
as
1. Remove the carburetor.
2. Disconnect the crankcase ventilation hose and remove
the intermediate flange with the deceleration valve.
REMOVAL OF DECELERATION VALVE
3. Unscrew the valve from the angle nipple (only if the
valve is to be exchanged).
Installation is carried out in the reverse order.
231-16