Jeep 1987 Wrangler Workshop Manual page 462

ENGINES
FUEL SYSTEM - BBD CARBURETOR
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Adjust the float level. Refer to S e r v i c e
Adjustment Procedures.
Install the baffle plate.
Place the accelerator pump drive spring on the
pump plunger shaft and insert the shaft into the
air horn. Compress the spring and insert the
S-link.
Place the vacuum piston spring in the vacuum
piston bore.
Position a replacement gasket on the main body
and install the air horn.
Tighten the retaining screws alternately to
compress the gasket evenly.
Install the solenoid.
Adjust the vacuum piston gap. Refer to Service
Adjustment Procedures.
Carefully install the vacuum piston and metering
rod assembly into its bore in the air horn.
Ensure that the metering rods are inserted in the
main metering jets.
Ensure that the metering rod springs are
installed properly.
Rotate the bowl vent assembly up and out of the
bowl and install the vent seal, if removed.
Place two of the plastic rod lifter tangs under the
piston yoke.
Slide the accelerator pump lever shaft through
the rod lifter and pump arm.
Install the locks and adjusting screws, but do not
tighten.
Install the fast idle cam and linkage. Tighten the
retaining screw securely.
Connect the accelerator pump linkage to the
pump lever and throttle lever.
Install the retaining clip.
Adjust the vacuum piston and accelerator pump.
Adjust the bowl vent. Refer to S e r v i c e
Adjustment Procedures.
Install the rollover c h e c k v a l v e . U s e a
replacement gasket.
Install the diaphragm assembly and secure with
the attaching screws.
Do not connect the vacuum hose to the vacuum
break diaphragm fitting until the initial choke
valve clearance has been adjusted. Refer to
Service Adjustment Procedures.
Engage the diaphragm link with the slot in the
choke lever.
Install the choke lever and screw on the choke
shaft.
Install the choke housing on the throttle body.
Install the baffle, gasket and cover on the choke
housing. Turn the cover 1/4 turn rich (clockwise)
and tighten one straight slot-type screw for
preliminary adjustment purposes.
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