TM 9-2320-266-34
CHAPTER 12
REPAIR OF THE CARBURETOR
12-1. Specifications.
Specifications for the carburetor are listed in table 12-1.
Table 12-1. Carburetor Specifications.
BBD-6537S
Carter model number
318
Engine displacement (cu in)
Automatic
Transmission
l-7/16 in
Bore
l-3/16 in
Venturi
Main metering jets
Standard
120-392
Metering rods (standard)
2092
Adjustments
0.035 in
Step-up piston gap
1/4 in
Float setting (at center of floats)
0.500 in
Accelerator pump setting
(2) Remove the brass air valve and seat, and the valve
12-2. Disassembling the Carburetor.
spring, by unscrewing the seat from the air horn.
General The carburetor has three main units: the air
horn, the main body, and the throttle body. Be careful not
(3) Remove the retaining clip from the accelerator
to damage the throttle valves.
pump arm link and remove the link.
b. Procedures.
(1) Break the carburetor down into its three major
Figure 12-1. Deleted.
units.
Change 1 12-1
