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 3500 ENGINE
SPECIFICATIONS
PISTONS AND RINGS
PISTONS AND PISTON RINGS
(1) TOP RING*
(2) INTERMEDIATE (3) OIL CONTROL
(3)
OIL
CONTROL
RING*
RING**(with 17 oil
RING**(with
12
oil
slots)
slots)
5.050 0.013 mm
5 050 0.013 mm
__
__
Width of groove in
piston for piston ring
(new)
(.1988 .0005 in )
(.1988 .0005 in.)
4.968 0.013 mm
4.954 0 019 mm
Thickness of piston
__
__
ring (new).
(.1956 0005 in.)
(.1950 0007 In )
0.082 0 013 mm
__
__
0 064 to 0 128 mm
Clearance
between
groove and piston ring
(new).
(0032 .0005 In.)
( 0025 to .0050 in.)
0.80 0.20 mm
0 80 0.20 mm
0 56 12 mm
0 70 0.19 mm
Clearance
between
(.031 .008 In, )
(.031 008 in.)
(.022 005 In.)
(.028 007 in )
ends of piston ring
when installed in a
cylinder liner with a
bore size of 170 mm
(6.694 in )
(.0010 08 mm ( 003 in )
Increase in clearance
between
ends
of
piston ring for each 0
03 mm in ) increase in
cylinder liner bore size
*Install piston ring with "UP" side toward top of piston.
NOTE: Top Ring (1) has the mark "UP-1." Intermediate Ring (2) has the mark "UP-2."
**Install Oil Control Ring (3) with the gap in the spring 180 away from the gap in the ring.
White portion of spring must be visible at the ring end gap.
(4)
Bore in piston
for pin ...............................
69.983 + .008 mm (2.7552 + .0003 in.)
Clearance between pin and bore
in piston ............................
0.008 to 0.034 mm (.0003 to .0013 in.)
69.962 .005 mm (2.7544 .0002 in.)
Pin diameter ........................
36
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