DISASSEMBLY - TM-10-3930-607-150076

FUEL

C. DISASSEMBLY (Fig. 3)

12. Remove idle jet (52) from the top surface of fuel

bowl assembly (49).

1. Remove the large hex plug (3) and fibre washer

13. Remove well vent jet (15) from top surface of

(16) from top of the air intake assembly (55) using a

fuel bowl assembly (49).

13/16" wrench.

14. Remove the main jet (13) and fibre washer (14)

2. Remove the screws and lockwashers (6) which

from inside bottom of the fuel bowl.

attach the air intake assembly (55) to fuel bowl

15. Remove power jet valve assembly (12) from

assembly.

inside bottom of fuel bowl.

3. Raise the air intake assembly (55) and loosen

16. Remove the main discharge jet (18) from the

gasket from the fuel bowl assembly. Lift the air intake

passage in the outside bottom of fuel bowl assembly.

(55) with gasket clear of the bowl. Avoid damage to the

17. Do not attempt to remove idle channel bushing

float (9).

(47) or nozzle bushing, as these parts are pressed in at

4. Remove gasket from air intake assembly (55).

the factory and need not be removed to service the

5. Remove float axle (10) as follows: Press

carburetor.

screwdriver against float axle at slotted side of float

18. Remove the lead channel plugs and the

hinge bracket and force through hinge bracket. Remove

accelerating jet channel plug (51) by first making

the float axle completely with fingers from opposite side

a center-punch mark in center of each plug.

and remove float (9).

6. Remove fuel valve needle (8), valve seat (8)

NOTE

and fibre washer (7) from the air intake assembly.

In some modest the accelerating jet

7. Remove vacuum cylinder assembly (53) and

channel plug (51) is drilled at the

fibre washer (54) from air intake assembly (55).

factory to receive a plug extractor.

8. Remove the choke plate screw (1), choke plate

Drill a #46 hole in center of plug.

(2) and choke plate lever and shaft assembly (61) as

follows: File off rivited end of the choke plate screw (1).

Be careful to drill only through the plug to avoid damage

Remove choke plate screw (1). Pull out the choke plate

to casting. Insert tapered thread end of a plug extractor

shaft lever assembly (61) and choke plate (2).

tool into holes just drilled and screw down,

9. Remove the lower hex plug (19) and fibre

counterclockwise, until tool is firmly fastened into plug.

washer (18) from bottom of fuel bowl assembly (49)

Then strike opposite end of tool sharply with a light

using a 1/2" wrench.

hammer drawing plugs out of casting.

10. Remove the screws and lockwasher (48) which

The threaded tip of the extractor tool can easily break

attaches the fuel bowl assembly to throttle body (22).

off unless the casting and tool are held firmly, and the

11. Separate the fuel bowl assembly from the

extractor driven

throttle body (22). Remove the venturi (46) and gasket

(44).

B-39