Jeep J-10 Series 1982 Technical & Service Manual page 336

U-24 FUEL SYSTEMS
(12) Install pump discharge steel check ball and
spring in passage adjacent to float chamber (fig. 1J-49).
Insert end of replacement plastic retainer into end of
spring and install retainer in float bowl. Tap lightly in
place until top of retainer is flush with bowl casting
surface.
PUMP DISCHARGE
SPRING AND BALL
RETAINER
90715
Fig. 1J-49 Model 2SE Carburetor—Pump Discharge Retainer Installed
(13) Using Tool J-22769 or screwdriver that fully fits
slot in top, install main metering jet into bottom of float
chamber. Tighten jet securely.
(14) Install inlet needle seat assembly with gasket
using Tool J-22769 (fig. 1J-34).
(15) For easier adjustment, carefully bend float arm
inward at notch in arm before assembly.
(16) Install float needle onto float arm by sliding
float lever under needle pull clip. Correct installation of
needle pull clip is to hook clip over edge of float on float
arm facing float pontoon (fig. 1J-20 and 1J-46).
(17) Install float retaining pin into float arm with
end of loop of pin facing pump well. Install float assem
bly by aligning needle in seat and float retaining pin into
locating channels in float bowl.
(18) Adjust float level:
(a) Hold float retaining pin firmly in place and
push down lightly on float arm at outer end against top
of float needle.
(b) Using adjustable "T" scale, at a point 3/16
inch from end of float at toe, measure distance from
float bowl top surface (gasket removed) to top of float at
toe.
(c) Bend float arm as necessary for proper
adjustment by pushing on pontoon (refer to
Specifications).
(d) Visually inspect float alignment after
adjustment.
(19) Install power piston spring into piston bore.
(20) If removed, attach metering rod to holder on
power piston. Spring must be on top of arm when assem
bled correctly (fig. 1J-36).
(21) Install power piston and metering rod assembly
into float bowl and main metering jet. Use care instal
ling metering rod into jet to prevent damaging metering
rod tip. Press down firmly on plastic power piston re
tainer to ensure retainer is seated in recess in bowl and
top is flush with top of bowl casting. If necessary, tap
retainer lightly in place using drift and small hammer.
(22) Install plastic filler block over float needle by
pressing downward until properly seated (flush with
bowl casting surface).
(23) Install air horn gasket on float bowl by carefully
sliding slit portion of gasket over two dowel locating
pins on float bowl.
(24) Install pump return spring in pump well.
(25) Install pump plunger assembly in pump well.
CAUTION: Inspect choke valve for freedom of move
ment and proper alignment before staking screws in
place.
(26) If removed, install choke shaft, choke valve and
two attaching screws. Tighten screws securely and stake
lightly in place.
(27) If removed, install plastic bushing in lower hole
in choke lever ensuring small end of bushing faces re
taining clip when installed. With inner choke coil lever
at 12 o'clock position, insert end of fast idle cam rod
through bushing in lever. Retain with new clip. Press
clip in place using needlenose pliers. Ensure clip has full
contact on rod, but is not seated tightly against bushing.
Rod-to-bushing clearance should be 0.030 inch (0.8 mm).
NOTE: Retaining clip is "dished." Install clip on rod
with outward bend ofself-locking lugs facing end of rod.
Ensure that clip fully engages rod and is not distorted.
(28) If removed, install plastic bushing in hole in
vacuum break lever ensuring small end of bushing faces
retaining clip when installed. Next, insert end of vac
uum break rod through bushing in lever. Retain with
new clip. Press clip in place with needlenose pliers. En
sure clip has full contact on rod, but is not seated tightly
against bushing. Rod-to-bushing clearance is 0.030 inch
(0.8 mm).
NOTE: Retaining clip is "dished." Install clip on rod
with outward bend ofself-locking lugs facing end of rod.
Ensure that clip fully engages rod and is not distorted.
(29) If removed, install plastic bushing in hole in air
valve lever. Ensure small end of bushing faces retaining
clip when installed. Next, insert end of air valve rod
through bushing in lever. Retain with new clip. Press
clip in place with needlenose pliers. Ensure clip has full
contact on rod, but is not seated tightly against bushing.
Rod-to-bushing clearance is 0.030 inch (0.8 mm).
NOTE: Retaining clip is "dished." Install clip on rod
with outward bend ofself-locking lugs facing end of rod.
Ensure that clip fully engages rod and is not distorted.