Subaru Robin Power Products R600 manual Inside and outslde diameter

lTolerances of Newly Installed Parts

Thrust directional

tolerance

between the

cylinder

and piston

skirt

I

0.008L

-

0.047L

I

Top

ring

!

0.2L

-

0.4L

Clearance

of piston

ring joint

Second

ring

0.2L

-

0.4L

Spare

rings

’

Oil

ring

!

0.05L

-

0.25L

1

Top

ring

0.09OL

-

0.135L

Clearance

between

piston

ring

Second

ring

1

0.06OL

-

0.105L

Oil

ring

I

Spare

rings

O.OlOL-0.065L

,

Inside and outslde diameter

0.037

L -

0.063L

Clearance

between

connecting

clearance

I

rod major

end and

crankpin

Side

clearance

0.1

L -

0.7L

Clearance

between

connecting

rod

minor

end

and

piston pin

O.OlOL

-

0.029L

Clearance

between

piston

pin

and

piston

pin

hole

0.009T

-

0.01 OL

L =

Loose

T = Tight

Table

12-2

NOTE: The clearance between the piston and cylinder is checked by measuring the clearance between the piston and cylinder skirt.

124-3 PISTON and PISTON RINGS

1)If a ring expander is not available. set the ring joint at the first land of the piston. as shown in Fig. 12-l 1 so

that the ring can be slided into its groove.

NOTE: Be careful not to twist or expand exces- sively each ring. The oil ring is fitted first on to the

piston, followed by the second ring and top ring-

The top and second rings must be fitted with their marked sides kept upward.

OPEN ENDS OF PISTON RINGS

Fig. 12-l 1

~j The connecting rod is joined to the piston by the piston pin.

NOTE: Before assembly, apply sufficient lubricating oil to the connecting rod minor end

NO JE: Be sure to fit the clips to both sides of the piston pin.

-39-