Generac Power Systems 940-2 Camshaft Assembly, Oil Pump, Part SPECIFICATIONS & CHARTS, Model

Part 8

SPECIFICATIONS & CHARTS

	CAMSHAFT ASSEMBLY
MODEL		GV-220
MAIN CAMSHAFT
BEARING DIAMETER
(FLYWHEEL END):
DESIGN DIAMETER		1.022-1.023 inch
		(25.96-25.98mm)
MAIN CAMSHAFT
BEARING DIAMETER
(PTO END):
DESIGN DIAMETER		1.297-1.298 inch
		(32.96-32.98mm)
CAM LIFT:
DESIGN LIFT		0.210-0.212 inch
		(5.34-5.38mm)
BASE CIRCLE
DIAMETER OF CAM:
DESIGN DIAMETER		0.978-0.990 inch
		(24.85-25.15mm)
COMPRESSION
RELEASE LIFT
(MEASURED AT TAPPET):
DESIGN LIFT		0.027-0.055 inch
		(0.70-1.40mm)

	OIL PUMP
MODEL		GV-220
PUMP TIP CLEARANCE *:
DESIGN CLEARANCE		0.0000-0.0010 inch
		(0.000-0.025mm)
INNER ROTOR BORE:
DESIGN BORE		0.354-0.355 inch
		(9.000-9.019mm)
INNER ROTOR THICKNESS:
DESIGN THICKNESS		0.312-0.315 inch
		(7.95-8.00mm)
OUTER ROTOR
OUTSIDE DIAMETER:
DESIGN DIAMETER		1.296-1.297 inch
		(32.92-32.95mm)
OUTER ROTOR
THICKNESS:
DESIGN THICKNESS		0.314-0.316 inch
		(8.000-8.025mm)

*NOTE 2: Measure pump tip clearance on shaft in crankcase cover.

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