Generac Power Systems GN190H Service And Repair Manual page 60

SPECIFICATIONS
MODEL
MAIN CAMSHAFT
BEARING DIAMETER
(FLYWHEEL END):
DESIGN DIAMETER
MAIN CAMSHAFT
BEARING DIAMETER
(PTO END):
DESIGN DIAMETER
CAM LIFT:
DESIGN LIFT
BASE CIRCLE
DIAMETER OF CAM:
DESIGN DIAMETER
COMPRESSION
RELEASE LIFT
(MEASURED AT TAPPET):
DESIGN LIFT
MODEL
PUMP TIP CLEARANCE *:
DESIGN CLEARANCE
INNER ROTOR BORE:
DESIGN BORE
INNER ROTOR THICKNESS:
DESIGN THICKNESS
OUTER ROTOR
OUTSIDE DIAMETER:
DESIGN DIAMETER
OUTER ROTOR
THICKNESS:
DESIGN THICKNESS
*NOTE 2: Measure pump tip clearance on shaft in crankcase cover.
CAMSHAFT ASSEMBLY
GN-190
1.022-1.023 inch
(25.96-25.98mm)
1.022-1.023 inch
(25.96-25.98mm)
0.210-0.212 inch
(5.34-5.38mm)
0.978-0.990 inch
(24.85-25.15mm)
0.027-0.055 inch
(0.70-1.40mm)
OIL PUMP
GN-190
0.0000-0.0010 inch
(0.000-0.025mm)
0.354-0.355 inch
(9.000-9.019mm)
0.312-0.315 inch
(7.95-8.00mm)
1.296-1.297 inch
(32.92-32.95mm)
0.314-0.316 inch
(8.000-8.025mm)
GN-191
1.022-1.023 inch
(25.96-25.98mm)
1.297-1.298 inch
(32.96-32.98mm)
0.210-0.212 inch
(5.34-5.38mm)
0.978-0.990 inch
(24.85-25.15mm)
0.027-0.055 inch
(0.70-1.40mm)
GN-191
0.0000-0.0010 inch
(0.000-0.025mm)
0.354-0.355 inch
(9.000-9.019mm)
0.312-0.315 inch
(7.95-8.00mm)
1.296-1.297 inch
(32.92-32.95mm)
0.314-0.316 inch
(8.000-8.025mm)
58
GN-220
1.022-1.023 inch
(25.96-25.98mm)
1.297-1.298 inch
(32.96-32.98mm)
0.210-0.212 inch
(5.34-5.38mm)
0.978-0.990 inch
(24.85-25.15mm)
0.027-0.055 inch
(0.70-1.40mm)
GN-220
0.0000-0.0010 inch
(0.000-0.025mm)
0.354-0.355 inch
(9.000-9.019mm)
0.312-0.315 inch
(7.95-8.00mm)
1.296-1.297 inch
(32.92-32.95mm)
0.314-0.316 inch
(8.000-8.025mm)