ASSEMBLING THE PISTONS AND LINERS
Fitting piston rings. (Fig. 62)
The piston rings, which have their gaps pre-set,
should be free in their grooves.
Faces with markings must face upwards towards
the combustion chamber.
1 Scraper Ring
Gap (C) in the expander in line with centre of
gudgeon pin (P).
Gaps (D) on the rings offset about 20 to 50
mm
( %"
to 1").
2 Taper Compression Ring ] Spaced evenly at
f
120° from the
3 Top Ring j expander gap.
Lubricate the pistons.
Fit the connecting "rod-piston" assemblies
into
their respective liners using a piston
ring ciamc
Fit the snell bearings to the
big-enos.
insert No. 1
assembly
in
the cylinder block
'arrow
on tne
Diston crown facing towards the timing gear end).
(Fig.
63)
Fit
No.1
big-end cap together with
its
shell
bearing.
Make sure that the
assemoiy
marks on
the cap and rod match. (Fig. 64)
Screw up the cap nuts by hand. Clamp No.
1
liner
with a liner clamp.
!090
!
H
k
i
-y
\
4 5 6
e
Fig. S3
1
1
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