TM1O-3930-660-20 5-21. ACCELERATOR CABLE -  REPLACE/ADJUST (Cont’d) 1. CHECK ADJUSTMENT OF ACCELERATOR CABLE (1). With linkage (15) tight against the idle stop screw (19)_r clevis  pin  (13)should fit freely through clevis (14) of cable (1). If not, adjustment is required. 2. IF NECESSARY, ADJUST ACCELERATOR CABLE  (1). a. b. c. d. e. f. g. Loosen nuts (16) and (20) at bracket  (18). Reposition cable (1) until clevis pin (13) fits freely through holes in clevis (14) and linkage (15). Tighten nuts (16) and (20) at bracket  (18). Loosen jam nut (21) and turn stop screw (22) on accelerator pedal (2)  fully  clockwise. Depress accelerator pedal (2) fully and hold. Turn stop screw (22) counterclockwise until head of stop screw (22) touches pedal (2). Release accelerator pedal (2) and tighten jam nut (21). Use STE/ICE to check engine RPM at idle and at full throttle, para. 2-13. If necessary, readjust cable (1) and stop screw (22), as required, until engine RPM readings are within limits. 5-47