TM 10-3930-660-34 3-14. PISTONS, PISTON PINS AND RINGS - REPLACE (Cont’d) 6. MEASURE AND RECORD NEW PISTON RING GAPS WHILE RINGS ARE IN CYLINDERS. GAPS SHOULD BE AS FOLLOWS: a. Top ring gap - 0.0160 to 0.0275 inch. b. Intermediate ring gap - 0.0100 to 0.0215 inch. c. Oil control ring gap - 0.0100 to 0.0215 inch. 7. IF GAPS ARE EXCESSIVE,  SELECT NEXT OVERSIZED PISTON RING SET. 8. IF GAPS ARE TOO CLOSE,  AND NEW PISTON SLEEVES HAVE BEEN INSTALLED, BORE OUT PISTON SLEEVES AS NECESSARY TO ALLOW GAPS TO OPEN UP TO SPECIFICATION. 9. INSTALL OIL CONTROL RING EXPANDER (9) AND RINGS (6,  7 AND 8). a. Place oil control ring expander (9) in bottom groove of piston (3). b. Install oil control ring (8) over expander (9),  with gap in oil control ring (8) positioned 1800 from gap in expander (9). c. Install intermediate ring (7), placing its gap at a point 1200 from gap in oil control ring (8). d. Install top ring (6),  placing its gap at a point 1200 from gap in intermediate ring (7). 10. INSTALL PISTONS AND CONNECTING RODS, PARA.  3-15. 3-98