TM 10-3930-653-14&P Fig. 4-206.  Components of Distributor 4-7-7-2.  CHECK AND ADJUSTMENT (1)   CAP AND ROTOR HEAD The cap and rotor head must be inspected at regular intervals.   If   the   cap   is   cracked   or   is   leaking   current, replace with a new one. (2)   POINTS Standard   point   gap   isO.45   to   0.55   mm(O.018   to 0.022 in). Adjustment should be made by loosening point screws. Gap gauge is required for adjustment. Point gap must be checked according to maintenance schedule. When point surface is rough, take off any irregularities with fine sandpaper (No. 500 or 600) or with a point file. At  this  time,  grease  must  be  applied  to  camshaft head and cam heel. When wear on  breaker  points  is  noticeable,  replace the point set. To replace, proceed as follows: Fig. 4-207.  Breaker 4-115