Piston Ring See Fig | Subaru Robin Power Products EY44-2, EY33-2

In reassembly;

PISTON RING (See Fig. 6-3-10)
1)	Use ringexpandertoola		to preventringfrom
	becomingdistorted	or	brokenwhen installing onto
	piston.
	Ifanexpandertool	is	notavailable,installringsby
	placing the open end of the ring on first land of piston.
	Spread ring only far enough to slip over piston and into
	correctgroove,beingcarefulnottodistrictring.			( F i g .
	6-3-1 0)
NOTE: With or without expander tool, assemble bottom
	ring firstand work upward, installingtop ring last.			Fig- 6-310-
2)	Assembletwopistonswhilefacingmaker’s			mark
	toward piston top.

CAUTION:

1.BE CAREFULNOTTOBROKENTHERING.

2.MOUNTSECONDRING WITH SCRAPER EDGE DOWN OTHERWISE OIL PUMPINGAND

EXCESSIVE OIL CONSUMPTIONMA Y RESUL T. Refer to Fig. 6-31-1 for correct place- ment of rings.

PISTON and CONNECTING ROD

Assemble pistonandconnectingrodusingpistonpinwith

clips mounted to both endsof piston pin.

NOTES:

7.Measure the cfearance between cylinder and piston on thrust surface at skirtbefore assembly.

If worn outseverer than specified, replace it.

2. Since the piston pin center ofpistonfor EY44-2 is offset from the center of piston by about 6 mm,

set pistontothematch mark scribed at thetop

Fig. 6-311-

of piston. In case of Models B and D, set BF and

DF marks to the @ mark on the side of connecting rod before reassembly.

I ) Assembleconnectingrod so thatthe @ markonitssidefacesflywheelside.

2)Apply oil to large and small ends of connecting rod and crank pin sufficiently

3)Assemble theconnectingrodcapmatchingthemarksonconnectingrod.

TOPRING

.SECONDRING

,011 RING

4)Mount new lockwashersandthemwithoutfail.

CAUTION: ASSEMBLE OIL SCRAPER WITHOUT FAIL, So THAT THE TAB FACES TOWARD FLYWHEEL.

(When engine is operated while tiltingit toward thePTO shaft side, assembleoil scraper tab on main bearingcover side.)

-1 6-