Generac Power Systems OHVI GSH 220 Service Manual page 66

SeCTIoN 15: SPeCIFICATIoNS - lArGe FrAMe eNGINeS
Model
MAIN CAMSHAFT BEARING
DIAMETER (FLYWHEEL END)
MAIN CAMSHAFT BEARING
DIAMETER (PTO END)
CAM LIFT
BASE CIRCLE DIAMETER OF
CAM
COMPRESSION RELEASE LIFT
(MEASURED AT TAPPET)
Model
MAIN BALANCER BEARING
DIAMETER (FLYWHEEL END)
MAIN BALANCER BEARING
DIAMETER (PTO END)
Model
PUMP TIP CLEARANCE *
INNER ROTOR BORE
INNER ROTOR THICKNESS
INNER ROTOR INNER
DIAMETER
OUTER ROTOR OUTSIDE
DIAMETER:
OUTER ROTOR THICKNESS
OIL PRESSURE RELIEF VALVE
SPRING FREE LENGTH
*NOTE 2: Measure pump tip clearance with rotor on shaft in crankcase cover.
ASSeMblY
CAMSHAFT
GN-320
.08-.082 inch
(27.6-27.8 mm)
.297-.298 inch
(2.96-2.98 mm)
0.2 inch
(5.6 mm)
.02 inch
(26.00 mm)
0.02-0.0 inch
(0.595-0.885 mm)
bAlANCer ASSeMblY
GN-320
0.982-0.98 inch
(2.96-2.98 mm)
0.982-0.98 inch
(2.96-2.98 mm)
oIl PuMP
GN-320
0.022-0.02 inch
(0.-0. mm)
0.886 inch
(22.5 mm)
0.7-0.72 inch
(.98-2.00 mm)
0.886 inch
(22.5 mm)
.296-.297 inch
(2.92-2.95 mm)
0.72-0.7 inch
(2.00-2.0 mm)
0.928 inch
(2.57 mm)
15-4
GN-360
.08-.082 inch
(27.6-27.8 mm)
.297-.298 inch
(2.96-2.98 mm)
0.2 inch
(5.6 mm)
.02 inch
(26.00 mm)
0.02-0.0 inch
(0.595-0.885 mm)
GN-360
0.982-0.98 inch
(2.96-2.98 mm)
0.982-0.98 inch
(2.96-2.98 mm)
GN-360
0.022-0.02 inch
(0.-0. mm)
0.886 inch
(22.5 mm)
0.7-0.72 inch
(.98-2.00 mm)
0.886 inch
(22.5 mm)
.296-.297 inch
(2.92-2.95 mm)
0.72-0.7 inch
(2.00-2.0 mm)
0.928 inch
(2.57 mm)
GN/GSH-410
.08-.082 inch
(27.6-27.8 mm)
.297-.298 inch
(2.96-2.98 mm)
0.2 inch
(5.6 mm)
.02 inch
(26.00 mm)
0.02-0.0 inch
(0.595-0.885 mm)
GN/GSH-410
0.982-0.98 inch
(2.96-2.98 mm)
0.982-0.98 inch
(2.96-2.98 mm)
GN/GSH-410
0.022-0.02 inch
(0.-0. mm)
0.886 inch
(22.5 mm)
0.7-0.72 inch
(.98-2.00 mm)
0.886 inch
(22.5 mm)
.296-.297 inch
(2.92-2.95 mm)
0.72-0.7 inch
(2.00-2.0 mm)
0.928 inch
(2.57 mm)