Replacement Ring Sets:
Service type ring replacement sets are available in the standard size plus
.OIOM, .020" and ,030" oversize sets. Service type sets
are
used when cylinder is worn but within
wear
and out
of
round
limits
(wear
limit
,005" oversize, out of round
limit
.004").
Service
sets
usually include expanders or other arrangement to provide uniform pressure on ring and better con
-
formity to cylinder wall regardless of wear. Cylinder bore must be deglazed before service ring sets
are used.
Chrome plated rings, when used, should be installed in the top groove.
I
I
Install Bottom Prod. (Single)
I
Prod.
(3
Piece)
;
Service
(4
Piece)
I
I
Ring First
I
I
BOTTOM
I
GROOVE
j
I
I
I
I
I
I
I
I
Prod. Type
,
Prod. Type Prod. Type
,
Service
(3
Piece)
I I
I
MIDDLE
I
I
,
Install Top
I
Ring Last
I
I
I
I
Bevel
TOP
I
Marking
I
I
GROOVE
I
I
on Ring
I
I
I
I
I
Ring With Inside
With
"
Top
"
I
I Bevel Up, or
Marking Up
FIGURE 10
-
7
--
PRODUCTION AND SERVICE TYPE RINGS
-
INSTALLATION
10.3