TM 10-3930-669-34 4-4.  INJECTION PUMP ADJUSTMENT (CONT). (5) With  the  aid  of  an  assistant  and  using  retainer,  rotate  pulley  (1)  slowly  clockwise  until  fuel  flow  is  reduced  to droplets. NOTE • If the pointer is not pointing at right-hand mark on pulley, proceed to step (6). • If the pointer is pointing at the right-hand mark on pulley, proceed to removal step (1). (6) Using retainer, rotate pulley (1) clockwise or counter-clockwise until pointer aligns with right-hand mark on pulley. 4-12