Oil Ring Installation; Piston Ring Installation; Piston And Connecting Rod Installation - Mitsubishi 6A1 series User Manual

11A-14-4
6A1 ENGINE (E - W) -
Side rail gap
Piston ring expander
Identification mark
Identification mark
Upper
side rail
Piston pin
No. 2 ring gap
and spacer gap
E
Mitsubishi Motors Corporation
"BA OIL RING INSTALLATION
(1) Fit the oil ring spacer into the piston ring groove.
(2) Install the upper side rail.
6AE0194
(3) Install the lower side rail in the same procedure as
(4) Make sure that the side rails move smoothly in either
1EN0269
"CA PISTON RING NO. 2 / PISTON RING NO. 1
(1) Using piston ring expander, install the piston rings with
7EN0452
Size mark
No.1
No.2
9EN0524
"DA PISTON AND CONNECTING ROD INSTALLATION
No. 1
(1) Liberally coat engine oil on the circumference of the piston,
(2) Arrange the piston ring and oil ring gaps (side rail and
(3) Rotate crankshaft so that the crank pin is on center of
Lower
side rail
6EN0549
Feb. 1997
Piston and Connecting Rod
NOTE
The side rails and spacer may be installed in either
direction.
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. See illustration.
NOTE
Do not use piston ring expander when installing side
rail. Use of ring expander to expand the side rail end
gap can break the side rail, unlike other piston rings.
described in step (2).
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.
piston ring, and oil ring.
spacer) as shown in the figure.
the cylinder bore.
PWEE9622
Size mark
None
50
100