Cleaning And Inspection - Jeep J-10 Series 1982 Technical & Service Manual

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SLOW IDLE SCREW
AND SPRING FAST IDLE SCREW
90672
Fig. 1J-43 Model 2SE Carburetor—Throttle Body Assembly
(24) Remove idle mixture screw and plug as follows:
(a) Position punch in locator hole in throttle
body beneath idle mixture screw plug (manifold side)
(fig. 1J-44). Holding punch vertical, drive punch through
locator until hardened steel plug shatters. Holding
punch at 45 degree angle, breakout throttle body casting
to gain access to mixture screw plug.
LOCATOR
POINT
RECESSED IDLE MIXTURE
SCREW AND PLUG
LOCATION
90710
Fig. 1J-44 Model 2SE Carburetor—Idle Mixture Screw Plug Removal
FUEL SYSTEMS U-21
NOTE: Hardened plug will shatter rather than remain
ing intact. It is not necessary to remove the plug com
pletely; instead, remove loose pieces to allow use ofIdle
Mixture Adjusting Tool J-29030.
(b) Using Tool J-29030, remove idle mixture
screw, washer (if used), and spring from throttle body
(fig. 1J-45).
IDLE SCREW
REMOVING TOOL
90711
Fig. 1J-45 Model 2SE Carburetor—Idle Mixture Screw Removal
Cleaning and Inspection
The carburetor components should be cleaned in a
cold immersion-type carburetor cleaning solution.
CAUTION: The solenoid, choke cover and coil assem
bly, rubber parts, plastic parts, diaphragms, pump
plunger, and plastic filler block should NOT be im
mersed in carburetor cleaning solution because they will
swell, harden or distort. The plastic bushings located at
the end of the vacuum break rod, fast idle cam rod and
air valve rod can be cleaned with carburetor cleaning
solution.
(1) Thoroughly clean all metal parts and blow dry
with compressed air. Ensure all fuel passages and
metering components are free of burrs and foreign mat
ter. Do not insert drill bits or wires into jets and
passages.
(2) Inspect upper and lower surface of carburetor
castings for damage.
(3) Inspect holes in levers for excessive wear or out
of round conditions. If worn, levers should be replaced.
Inspect plastic bushings for damage and excessive wear.
Replace as required.
(4) Inspect, repair or replace components if follow
ing problems are encountered.
(a) Flooding:
1. Inspect float needle and seat for debris,
deep wear grooves, scores and improper seating.