TM 9-2320-302-34
0041 00-16
PISTON AND CYLINDER ASSEMBLY MAINTENANCE - CONTINUED
0041 00
INSTALLATION - CONTINUED
17.
Position fire (top) and middle compression ring gaps 180 degrees from each other and 90 degrees from oil control ring
and oil expander ring gaps.
18.
Apply a light coat of clean engine lubricating oil to connecting rod (12) pin bushing, piston pin bushing ends, and piston
pin (11). Place piston skirt (13) over piston dome (14) and align piston pin bores in dome and skirt.
19.
Install connecting rod (12) inside dome (14) and slide piston pin (11) through piston skirt (13) bore and crown. Using
retaining ring pliers, secure piston pin in piston with two retaining rings (10).
20.
Place piston assembly (9), dome down, in clean pan. Coat piston assembly liberally with clean engine lubricating oil.
OIL CONTROL RING GAP
MIDDLE
COMPRESSION
RING GAP
OIL EXPANDER RING GAP
FIRE
RING GAP (TOP)
COMPRESSION
12
11
10
13
10
14
9
