Part 8- specifications & charts, Engine specifications (continued) – Generac Power Systems NP-40G User Manual
Page 122
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Part 8- SPECIFICATIONS & CHARTS
Engine Specifications (Continued)
MODEL NO.
GN-190
GN-220
CRANKCASE ASSEMBLY (CONTINUED);
CRANKSHAFT SLEEVE
BEARING:
Design Diameter
Wear Limit
1.104-1.106 Inch (28.044-28.099mm)
1.107 Inch (28.129mm) Maximum
1.104-1.106 Inch (28.044-28.099mm)
1.107 Inch (28.129mm) Maximum
GOVERNOR ARM BORE:
Design Diameter
Wear Limit
0.239-0.240 Inch (6.07-6.10mm)
0.242 Inch (6.15mm) Maximum
0.239-0.240 Inch (6.107-6.10mm)
0.242 Inch (6.15mm ) Maximum
CAMSHAFT BEARING:
Design Diameter
Wear Limit
1.024-1.025 Inch (26.00-26.03mm)
1.026 Inch (26.06mm) Maximum
1.024-1.025 Inch (26.00-26.03mm)
1.026 inch (26.06mm) Maximum
GOVERNOR ARM DIAMETER:
Design Diameter
Wear Limit
0.235-0.237 Inch (6.07-6.10mm)
0.233 Inch (5.92mm)
0.235-0.237 Inch (5.97-6.03mm)
0.233 Inch (5.92mm)
CRANKCASE COVER ASSEMBLY:
CRANKSHAFT BEARING
BORE DIAMETER:
Design Diameter
Wear Limit
1.103-1.105 Inch (28.030-28.058mm)
1.106 Inch (28.088mm) Maximum
1.104-1.105 Inch (28.040-28.065mm)
1.106 Inch (28.092mm) Maximum
•
CAMSHAFT BEARING
BORE DIAMETER:
Design Diameter
Wear Limit
1.299-1.300 Inch (33.00-33.03mm)
1.302 Inch (33.06mm) Maximum
1.299-1.300 Inch (33.00-33.03mm)
1.302 Inch (33.06mm) Maximum
GOVERNOR GEAR SHAFT
DIAMETER:
Design Diameter
0.236-0.237 Inch (6.004-6.012mm)
0.236-0.237 Inch (6.004-6.012mm)
OIL PUMP INNER ROTOR
SHAFT DIAMETER:
Design Diameter
Wear Limit
0.353-0.354 Inch (8.969-8.987mm)
0.352 Inch (8.949mm) Minimum
0.353-0.354 Inch (8.969-8.987mm)
0.352 Inch (8.949mm) Minimum
CRANKSHAFT:
CRANKPIN DIAMETER:
Design Diameter
Wear Limit
1.180-1.181 Inch (29.99-30.01 mm)
1.179 Inch (29.96mm) Minimum
1.180-1.181 Inch (29.99-30.01 mm)
1.179 Inch (29.96mm) Minimum
CRANKSHAFT MAIN
BEARING (FLYWHEEL END)
Design Diameter
Wear Limit
1.102-1.103 Inch (28.000-28.012mm)
1.100 Inch (27.95mm) Minimum
1.102-1.103 Inch (28.000-28.012mm)
1.100 Inch (27.95mm) Minimum
CRANKSHAFT MAIN
BEARING (PTO END)
Design Diameter
Wear Limit
1.102-1.103 Inch (28.000-28.012mm)
1.186 Inch (27.95mm) Minimum
1.102-1.103 Inch (28.000-28.012mm)
1.186 Inch (27.95mm) Minimum
CONNECTING ROD ASSEMBLY:
•
LARGE END INSIDE
DIAMETER:
Design Diameter
Wear Limit
1.183-1.184 Inch (30.06-30.07mm)
1.186 Inch (30.12mm) Maximum
1.183-1.184 Inch (30.06-30.07mm)
1.186 Inch (30.12mm) Maximum
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