Mitsubishi 4G9 series Manual page 116

11A-11-4
4G9 ENGINE (E - W) -
Side rail
Spacer
Side rail end
Identification mark "T"
Identification mark "2T"
E
Mitsubishi Motors Corporation
"BA OIL RING INSTALLATION
(1) Fit the oil ring spacer into the piston ring groove. Install
(3) Make sure that the side rails move smoothly in either
"CA PISTON RING NO.2/PISTON RING NO.1
(1) Using piston ring expander, install the piston rings with
Size mark
No.1
No.2
May 1995
Piston and Connecting Rod
the upper side rail, and then install the lower side rail.
NOTE
1. The side rails and spacer may be installed in either
direction.
2. New spacer and side rail are painted with the following
identification colour according to the size.
Size
Standard size
0.50 mm O.S.
1.00 mm O.S.
3. To install the side rail, first fit one end of the rail
into the piston groove, then press the remaining
portion into position by finger as shown in the
illustration.
Caution
Do not use piston ring expander when installing side
rail. Use of piston ring expander to expand the side
rail end gap can break the side rail, unlike other piston
rings.
direction.
INSTALLATION
their side having identification marks facing up.
Identification mark:
No.1 ring: T
No.2 ring: 2T
NOTE
The piston ring is stamped with the following size mark.
Size
Standard size
0.50 mm O.S.
1.00 mm O.S.
PWEE9502
Identification colour
None
Blue
Yellow
Size mark
None
50
100