Electric Choke Heater; Carburetor Model 2Se Specifications - Jeep J-10 Series 1982 Technical & Service Manual

U-30 FUEL SYSTEMS
because of petroleum gum formation on the choke shaft
or from damage should be corrected. Inspect the vacuum
break hose for proper connection, cracks, abrasion and
general deterioration. Correct or replace as necessary.
General Inspection
(1) Remove air cleaner. With engine off, hold
throttle half open. Open and close choke several times.
Observe linkage and ensure all links are connected and
that there are no indications of damage.
(2) If choke or linkage binds, sticks or moves
sluggishly, clean with AMC Choke and Linkage Cleaner,
or equivalent. Use cleaner as directed on can. If cleaning
does not correct the problem, replace malfunctioning
parts.
(3) Visually inspect carburetor and ensure all vac
uum hoses are connected. Inspect hoses for cracks, abra
sion, hardness or indications of general deterioration.
Replace or correct as necessary.
(4) Ensure vacuum break diaphragm shafts are
fully extended when engine is off. If shafts are not fully
extended, replace vacuum break assembly. Start engine;
primary vacuum break diaphragm shaft should fully
retract. If unit fails to retract, replace vacuum break
assembly.
Electric Choke Heater
If the choke fails to operate properly, perform the
following tests.
(1) Measure voltage at choke heater wire connection
with engine operating. If voltage is between 12 and 15
volts, replace choke unit.
(2) If voltage is low or zero, inspect all wires and
connections. If connection at oil pressure switch is
faulty, low pressure warning light may also be inopera
tive with ignition on and engine not started. Repair
wires and connections as necessary.
(3) If tests in steps (1) and (2) have normal results,
replace oil pressure switch.
Carburetor Model 2SE. Specifications
17082300
17082381
Pri. Throttle Bore 35 mm 35 mm
Sec. Throttle Bore 46 mm 46 mm
Pri. Venturi Diameter 28 mm 28 mm
Sec. Venturi Diameter Var. Air Valve Var. Air Valve
Fuel Inlet Seat Diameter
(.093")
(.093")
Idle Bypass
2.20 mm 2.20 mm
Idle Tube
0.825 mm 0.80 mm
Side Idle Air Bleed 1.32 mm
1.32 mm
Lower Idle Air Bleed 1.32 mm
1.32 mm
Spark Port Size
1.14mm x 3.84mm 1.14mm x 3.84mm
Main Jet
No. 159 (1.59 mm)
No. 150 (1.50 mm)
Pri. Metering Rod No.
17057856 17057-855
Sec. Metering Rod No.
17071356 17071356
Top Well Bleed
1.78 mm 1.78 mm
Side Well Bleed 2.44 mm 2.44 mm
Power Valve Timing 6 to 2" Hg.
4 to 1" Hg.
Accelerator Nozzle Dia. 0.50 mm 0.50 mm
4-Cylinder
Engine
Carburetor
Number
Float
Level
mm(inches)
Pump
Stem Height
mm(inches)
Fast Idle
Cam Adj.®
Fast Idle
Speed
1100 rpm
Air
Valve
Link$
Vac.
Break
Pri.
Unloader Choke
Secondary
Lockout
Choke Coil
Lever Plug
Gouge
CJ
(49 State)
Man.
Trans.
17082380
4.5 (.169)
3.25 (.128)
18*
2400 2°
21° 34°
TR
1.27-2.03mm
(.050-.080in.)
1.27-2.03mm
(.050-.080in.)
CJ
Hl-Alt.
Man.
Trans.
17082381
4.5 (.169) 3.25 (.128)
18°
2400
2* 21* 34* TR
1.27-2.03mm
(.050-.080in.)
1.27-2.03mm
(.050-.080in.)
© Maximum Degree Setting 90981 a
TR Tamper Resistant
<2> Second Step of Cam
CARBURETOR MODEL E2SE-
2 VENTURI
Paga
Cirburetor Circuits 1J-31
Carburetor Overhaul 1J-35
Carburetor Replacement 1J-34
GENERAL
The Model E2SE carburetor is a two-venturi, two-
stage carburetor of down draft design (fig. 1J-58) for
Ptge
General U-30
Service Adjustment Procedures 1J-45
Specifications 1J-46
four-cylinder engines installed in CJ vehicles manufac
tured for sale in California.