Alpha Technologies AlphaGen 3.5_5.0kW Kohler COM5 - Manual (Page 12)

TP-6482 8/06 12 Section 1 Specifications
Item Specification
Manufacturer Kohler
Make/model CV14
Cycle 4
Compression ratio 8.5:1
Displacement, cc (cu. in.) 398 (24.3)
Rated horsepower (using natural gas fuel), HP 10.5
Engine speed, rpm 2800--3600
Overspeed shutdown, rpm 3750
Bore, mm (in.) 87 (3.43)
Stroke, mm (in.) 67 (2.64)
Valve train Overhead Valve
Valve material:
Intake Steel
Exhaust Stellite r Face
Cylinders, qty. 1
Cylinder block material Aluminum w/Cast Iron Liners
Cylinder head material Aluminum
Piston rings: qty., type 2 Compression, 1 Oil
Crankshaft material Heat Treated, Ductile Iron Casting
Bearings: qty., type 2, Replaceable Sleeve
Governor Electronic
Starter motor Electric, Solenoid Shift
Lubrication system Full Pressure
Oil capacity (with filter and cooler), L (qt.) 2.0 (2.1)
Oil type (summer/winter) Synthetic 5W-30
Oil pressure, kPa (psi) 172--241 (25--35)
Low oil pressure, kPa (psi) 13.8--34.5 (2--5)
Fuel type Natural Gas or Propane
Fuel pressure, kPa (in. water column) 1.7 to 2.7 (7 to 11)
Fuel consumption at 5 kW:
Natural gas, 1000 Btu/ft.
3
m
3
/hr. ( cfh) 2.3 (80)
Propane, 2516 Btu/ft.
3
m
3
/hr. (cfh)
kg/hr. (lb./hr.)
Lph (gph)
1.1 (40);
2.1 (4.66)
4.2 (1.1)
Battery voltage, VDC 12
Battery ground Negative
Battery recommendation (minimum) 425 CCA at --18 _C (0°F)
Spark plug type (Kohler Part No.) 24 132 03
Spark plug gap, mm (in.) 0.75 (0.030)
Spark plug tightening torque, Nm (ft. lb.) 24.4--29.8 (18--22)
Ignition system Battery/Coil
Cooling system Integrated Air Cooling
High engine temperature, _C (_F) 152 (305)
Figure 1-3 Engine Specifications