TM 10-3930-659-34 4-57.  STEERING VALVE REPAIR (Con’t). 5. new washer (4) and spacer plate (5) on steering valve body (3). WARNING Timing of generator is critical to proper operation of steering system.  Slotted end of drive shaft must  be  properly  alined  with  one  of  rotor  valleys  for  timing  to  be  correct.    Failure  to  properly perform steps 6 through 10 could cause  violent  steering  wheel  oscillation,  which  could  result  in injury to personnel. 6. Mark splined end of drive shaft (7) parallel to slotted end. 7. Install drive shaft (7) In steering valve body (3). 8. Install washer (6) on generator (2). 9. Aline   rotor   valleys   (27)   with   mark   made   on splined end of drive shaft (7). 4-218