Generac Power Systems OHVI GSH 190, Service Manual

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15-3
SeCTIoN 15: SPeCIFICATIoNS - lArGe FrAMe eNGINeS
CoNNeCTING rod ASSeMblY
Model GN-320 GN-360 GN/GSH-410
LARGE END INSIDE
DIAMETER .9-.20 inch
(6.06-6.07 mm)
.9-.20 inch
(6.06-6.07 mm)
.9-.20 inch
(6.06-6.07 mm)
SMALL END INSIDE
DIAMETER 0.788-0.789 inch
(20.02-20.0 mm)
0.788-0.789 inch
(20.02-20.0 mm)
0.788-0.789 inch
(20.02-20.0 mm)
PISTON PIN LENGTH:
2.669-2.685 inch
(67.8-68.2 mm)
2.669-2.685 inch
(67.8-68.2 mm)
2.669-2.685 inch
(67.8-68.2 mm)
PISTON PIN OUTSIDE
DIAMETER 0.786-0.787 inch
(9.98-9.995 mm)
0.786-0.787 inch
(9.98-9.995 mm)
0.786-0.787 inch
(9.98-9.995 mm)
PISToN
Model GN-320 GN-360 GN/GSH-410
PISTON MAJOR DIAMETER
.7-.8 inch
(79.928-79.98 mm)
.-. inch
(8.928-8.98 mm)
.50-.5 inch
(89.928-89.98 mm)
WRIST PIN BORE DIAMETER
0.787-0.788 inch
(20.000-20.0 mm)
0.787-0.788 inch
(20.000-20.0 mm)
0.787-0.788 inch
(20.000-20.0 mm)
TOP RING GROOVE WIDTH
0.060-0.06 inch
(.50-.555 mm)
0.060-0.06 inch
(.50-.555 mm)
0.060-0.06 inch
(.50-.555 mm)
SECOND RING GROOVE
WIDTH WIDTH 0.060-0.06 inch
(.50-.555 mm)
0.060-0.06 inch
(.50-.555 mm)
0.060-0.06 inch
(.50-.555 mm)
OIL CONTROL RING
GROOVE WIDTH: 0.9-0.20 inch
(.0-.055 mm)
0.9-0.20 inch
(.0-.055 mm)
0.9-0.20 inch
(.0-.055 mm)
TOP RING WIDTH:
0.058-0.059 inch
(.7-.9 mm)
0.058-0.059 inch
(.7-.9 mm)
0.058-0.059 inch
(.7-.9 mm)
TOP RING END GAP: *
0.007-0.07 inch
(0.8-0. mm)
0.006-0.06 inch
(0.5-0.0 mm)
0.00-0.020 inch
(0.25-0.50 mm)
SECOND RING WIDTH:
0.058-0.059 inch
(.65-.90 mm)
0.058-0.059 inch
(.65-.90 mm)
0.058-0.059 inch
(.65-.90 mm)
SECOND RING END GAP: *
0.007-0.07 inch
(0.8-0. mm)
0.009-0.02 inch
(0.2-0.60 mm)
0.00-0.020 inch
(0.25-0.50 mm)
OIL CONTROL RING WIDTH
0.07-0.09 inch
(0.2-0.8 mm)
0.07-0.09 inch
(0.2-0.8 mm)
0.07-0.09 inch
(0.2-0.8 mm)
OIL CONTROL RING END
GAP * 0.05-0.055 inch
(0.9-.0 mm)
0.05-0.055 inch
(0.9-.0 mm)
0.05-0.055 inch
(0.9-.0 mm)
*NOTE 1: Measure end gap with ring pushed down in cylinder to depth of 2.75 inches (69.85mm)
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0C1103Arev0.indd 3 6/22/2006 10:51:57 AM