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PART 10-4 MOTORCRAFT MODEL 2100 CARBURETTOR
10-41
OVERTRAVEL
LEVER
V1507
-
B
FIG. 13 Accelerator Pump Stroke-Model 2100 Carburetor
7.
Connect the choke heat tube and
set the choke thermostatic spring housing
to specifications. Adjust the fast idle speed
to specifications.
Fast Idle Cam Clearance
I.
Loosen the choke thermostatic
spring housing retainer screws and set the
housing 90 degrees in the rich
direction.
2.
Position the fast idle speed screw
at the kickdown step of the fast idle cam
The kickdown step is identified by a V
stamped on the cam (Fig. 15).
On the 351-C engine, a two-piece fast
idle lever is used to provide clearance
between the lever and
manifold,
and a
tang on the top lever will align with the V
mark on the cam (Fig.
15).
3.
Be sure
the
cam is at the
kickdown position while checking or
adjusting the fast idle cam clearance.
Check for the specified clearance
between the lower edge of the choke plate
and the air horn wall. To adjust the
clearance, turn the fast idle cam clearance
adjusting screw clockwise to increase and
counterclockwise
to
decrease
the
clearance.
FIG. 14- Choke Plate Pul/down Clearance
- Modei2100-D 2-V Carburetor
4.
Set the
choke
thermo
static
spring
housing
to
specifications.
Adjust the
anti-stall
dashpo
t,
idle
speed and fuel
mixture.
FAST
ADJUSTING
TWO- PIECE FAST IDLE LEVER
FOR 351-C ENGINE
V1261-A
FIG. 15- Fast Idle Levers Used on the
Motorcraft 2100-D 2-V Carburetor
FUEL LEVEL FLOAT
ADJUSTMENT - DRY
The
dry
float
adjustment
is
a
preliminary fuel level adjustment only.
The final adjustment (Fuel Level Float
Adjustment -
Wet) must be made after
the carburettor is mounted on the
engine.
DRILL OR GA UGE OF
SPECIFIED CLEARANCE
FAS
T
IDL
E
ADJUS
T
ING SC
RE
W
V1202-A
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