TM 9-2320-363-34-2
11.
NOTE
Fire (top) compression ring has plasma (dull finish) face. Top of fire
compression ring is identified by vendors mark: dimple or color dot located 30
degrees from ring gap.
Middle compression ring has chrome (shiny) face. Top of middle compression
ring is identified by dimple or color dot located 30 degrees from ring gap. Inner
ring edge has groove.
Oil control ring has chrome flashed face and can be installed with either side
up.
INSERT THREE PISTON RINGS (11) INSIDE CYLINDER LINER ONE AT A TIME, USING PISTON
DOME (12) (INSERTED UPSIDE DOWN INTO LINER) TO PUSH RING DOWN. INSERT PISTON
DOME INTO LINER, TO SAME DEPTH AS RING BEING POSITIONED. THIS WILL ENSURE RINGS
ARE PARALLEL WITH TOP OF LINER AND POSITIONED IN LINER WITHIN NORMAL AREA OF
RING TRAVEL.
12-157