Fuel Filter - TM-10-3930-624-120065

Figure 4-10. Governor adjustment.

throttle is opened quickly, the governor should surge

d. With tension on the governor spring, adjust the

once or twice and then level off.

governor control rod length to hold the carburetor lever

approximately 1/ 64 inch from the wide open position.

Make certain the rod ends are snug and move without

Caution: Engine rpm must be

friction.

rechecked after making adjustment.

e. Back the surge screw out in the governor

Do not turn the surge screw in far

housing until only three or four threads are engaged and

enough to increase the no load

lock in position.

engine speed.

f. Install an electric tachometer on the engine.

g. Run the engine at full throttle. When the engine

4-23.

Fuel Filter

has reached normal operating temperature, adjust the

governor spring tension nut to obtain an engine speed of

a. Removal. (fig. 4-11).

2400 rpm at no load.

(1) Loosen the capnut.

h. Load the engine by extending the tilt cylinders

(2) Swing the clamp wire to one side and

until they bottom. This will actuate the relief valve. If

remove the bowl.

the governor surges, move the regulation screw OUT

(move the spring away from the throttle level bracket) a

few turns at a time until surge is removed. When the

4-17