TM 10-3930-660-34 3-14. PISTONS, PISTON PINS AND RINGS - REPLACE  (Cont’d) INSTALLATION 1. INSTALL RETAINING RING (5) INTO GROOVE ON SIDE OF PISTON (3) MARKED FRONT. 2. LUBRICATE PISTON PIN (2) AND PIN BORE (13) WITH CLEAN ENGINE OIL. 3. ORIENT WORD,  FRONT,  ON TOP OF PISTON (3) AND NUMBER ON CONNECTING ROD (4) AS SHOWN,  AND THEN INSTALL PISTON PIN (2). 4. PLACE EACH NEW PISTON RING (6,  7 AND 8),  INDIVIDUALLY,  INTO CYLINDERS TO A DEPTH OF 3.5 INCHES AND SQUARE RING IN BORE USING PISTON AS SHOWN. 3-97

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