Generac Power Systems GN190H, Service And Repair Manual

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SPECIFICATIONS
56
GENER
A
C
CRANKSHAFT
MODEL GN-190 GN-191 GN-220
CRANKPIN DIAMETER:
DESIGN DIAMETER
1.180-1.181 inch 1.180-1.181 inch 1.180-1.181 inch
(29.99-30.01mm) (29.99-30.01mm) (29.99-30.01mm)
CRANKSHAFT
MAIN BEARING
(FLYWHEEL END):
DESIGN DIAMETER
1.102-1.103 inch 1.102-1.103 inch 1.102-1.103 inch
(28.000-28.012mm) (28.000-28.012mm) (28.000-28.012mm)
CRANKSHAFT
MAIN BEARING
(PTO END):
DESIGN DIAMETER
1.102-1.103 inch 1.102-1.103 inch 1.102-1.103 inch
(28.000-28.012mm) (28.000-28.012mm) (28.000-28.012mm)
CONNECTING ROD ASSEMBLY
MODEL GN-190 GN-191 GN-220
LARGE END
INSIDE DIAMETER:
DESIGN DIAMETER
1.183-1.184 inch 1.183-1.184 inch 1.183-1.184 inch
(30.06-30.07mm) (30.06-30.07mm) (30.06-30.07mm)
SMALL END
INSIDE DIAMETER:
DESIGN DIAMETER
2.196-2.213 inch 2.196-2.213 inch 2.196-2.213 inch
(55.8-56.2mm) (55.8-56.2mm) (55.8-56.2mm)
PISTON PIN LENGTH:
DESIGN DIAMETER
1.102-1.103 inch 1.102-1.103 inch 1.102-1.103 inch
(28.000-28.012mm) (28.000-28.012mm) (28.000-28.012mm)
PISTON PIN
OUTSIDE DIAMETER:
DESIGN DIAMETER
0.708-0.709 inch 0.708-0.709 inch 0.708-0.709 inch
(17.989-18.000mm) (17.989-18.000mm) (17.989-18.000mm)
PISTON
MODEL GN-190 GN-191 GN-220
PISTON MAJOR
DIAMETER:
DESIGN DIAMETER
2.753-2.754 inch 2.753-2.754 inch 2.753-2.754 inch
(69.939-69.959mm) (69.939-69.959mm) (69.939-69.959mm)
PISTON MINOR
DIAMETER:
DESIGN DIAMETER
2.747-2.748 inch 2.747-2.748 inch 2.747-2.748 inch
(69.789-69.809mm) (69.789-69.809mm) (69.789-69.809mm)