TM 9-2320-363-34-2
AIR COMPRESSOR REPAIR (CONT)
NOTE
Oil rings may be installed with either side up.
13. WITH DOME OF PISTON (13) UP, INSTALL TWO OIL RINGS (14) IN UPPER OIL RING GROOVE
OF PISTON (13).
14. INSTALL OIL RING EXPANDER (15) IN OIL RING GROOVE BETWEEN OIL RINGS (14).
C A U T I O N
Dot appearing on one side of second and top piston rings, 30 degrees from
ring gap, indicates top of second and top piston rings. Top of second and top
piston rings must be installed facing piston dome to prevent damage to
equipment.
l
15. INSTALL SECOND AND TOP PISTON RINGS (16) IN TOP TWO RING GROOVES OF PISTON (13).
12-130
