TM  10-3930-638-24&P 4-3.   FUEL   SYSTEM   MAINTENANCE   (cont) b. Fuel Injection Pump (cont). STEP LOCATION ITEM ACTION REMARKS REASSENIBLY  (cont) 32 cont) n. Shutoff shaft (33) Install With slight rotary motion so as not to damage  seal  (34).  If  throttle  shaft  lever is  installed  properly,  rotating  throttle shaft assembly will cause spring (45) to compress  (see  illustration  below) o. Shaft retainer clip (32) p. Torque screw (52) q. Seal (51) r. Nut (50) and cap (62A) S. Nut (40) t.  Low  idle  adjusting screw (41 ) U. Nut (42) v. High idle adjusting screw (43) Install Install Install Install Install Install Install Install In nut (50) On torque screw (52) On low idle adjusting screw (41) In  throttle  shaft  assembly  (37) On high idle adjusting screw (43) In  throttle  shaft  assembly  (37) 4-124