Oil filter assembly
Carburetor choke lever
Oil filter inlet hose
Choke control lead
Oil filler and gage
Automatic choke control
Oil filler body
Oil filler nipple
Exhaust pipe, nipple
Street tee fitting
Air cleaner mounting bracket
Oil filter mounting bracket
Choke control lever
Timing gear cover
Choke control rod
IET lock washer
Oil filter outlet hose
Hose clamp screw
Figure 4-34 - Continued.
b. Cleaning, Inspection and Repair.
(4) Remove the cotter pin (10) (serial nos.
L1475-T through L-1478-T) securing the choke rod (11)
Clean all parts with a cleaning solvent.
to the carburetor choke, lever (13), and slide the rod
Blow dry with compressed air; make
from the choke lever.
sure the passages are clean.
Inspect the fuel pump cover and body
washers (3) and washers (4) securing the intake
for chips, cracks, or other defects. Inspect the threads
manifold and carburetor (16) to the block (26) and
for damage. Inspect the fuel line for breaks, thread
remove the intake manifold and carburetor assembly,
damage, or other defects.
and manifold gasket.
Replace all damaged parts. Install a
c. Reassembly and Installation.
manifold. Support the exhaust system
position on the fuel pump.
before removing the intake manifold.
(2) Position the gasket (7) and the fuel pump
(6) on the engine crankcase and secure with the two cap
(6) Remove the two machine bolts (3, fig. 4-
screws (15) and lock washer (14
35) and lock washers (4) securing the carburetor (9) and
(3) Position the fuel tube (9) on the carburetor
gasket (12) to the intake manifold (1).
and fuel pump and secure with the two tube nuts (8).
(7) Remove the adapter (8) from the
(4) Position the main fuel tube on the fuel
carburetor and, on serial nos. L-1475-T through L1478-
pump and secure with the tube nut.
T units, the pipe plug (13) from the manifold.
Dry cleaning solvent, P-D-680 or P-S-
Install a pressure tester and adapter between the fuel
661, used to clean parts is potentially
pump and the carburetor.
(3) Start the engine and run at idle speed.
property. Use in a well-ventilated
(4) Observe the pressure reading on the
gage. The correct reading is between 3 and 4 lbs. (1.
area as the fumes are dangerous if
35 and 1. 8 kg).
Avoid repeated and
(5) If the correct reading is not obtained,
prolonged skin contact. Do not use
check the fuel tubes and fitting between the fuel pump
near open flame or excessive heat.
and fuel tank for leaks. (6) Remove the pressure tester
Flash point of solvent is 100F. -138F.
(38C. -59C. ).
(7) Position the fuel tube (11, fig. 4-32 on the
carburetor and fuel pump and secure with the two tube
b. Cleaning and Inspection. Wipe the carburetor
with a cloth dampened in cleaning solvent. Wash all the
other parts in cleaning solvent. Replace all damaged
4-30. Carburetor And Intake Manifold
parts and gaskets. Replace the carburetor if it is
a. Removal and Disassembly.
c. Reassembly, Installation and Adjustment.
(2) Remove the throttle rod (25) from the
Reverse the removal and disassembly procedures. Turn
lever and unscrew it from the carburetor throttle lever.
idle adjusting screw (7, fig. 4-32) as needed to get
smoothest idle possible.