Engine And Generator; November - Hobart 60CU24 Operation And Maintenance Manual With Illustrated Parts List

OM-2098C / Operation and Maintenance Manual
60CU24 / Series 500060C / 400 Hz. Generator Set
Over voltage
Under voltage
Over frequency
Under frequency
Overload time delay
Output Voltage
Amps (Continuous)
Amps (Peak/Starting/Overload)
Manufacturer
Model No.
Type
Bore and Stroke
Displacement
Horsepower
Idle speed
High speed limiting
Normal governed speed
Firing Order
Electrical system
Ground
Lubricating oil capacity (w/ filter)
Coolant capacity system

6) Engine and Generator

The engine and generator comprise the principal components of the generator set. They are mounted on
the welded steel frame of the chassis. The engine coolant radiator is also mounted on the frame just
forward of the engine-generator combination. Figures 4 and 5 are illustrations showing the location of all
major components and sub-assemblies.

November 16, 2007

Revision 8
GENERATOR PROTECTIVE SYSTEM
Trips at 126 volts after a 1 second time delay.
Trips at 140 volts in 160 milliseconds.
Trips at 180 volts in 50 milliseconds.
Trips at any voltage below 100 volts after 7 seconds.
Trips at any value between 420 Hz and 480 Hz after a 5 second time
delay. Trips immediately at any frequency exceeding 480 Hz.
Trips at 380 Hz. or less after a 7 second time delay.
Trips in approximately 5 minutes at 125% load of 90 kVA on either
output or 125% of 120 kVA on both outputs combined.
DC OUTPUT (OPTIONAL, SEE APPENDIX A)
28.5 VDC
600 A
2700 A for 2 seconds
2000 A for 10 seconds
1500 A for 30 seconds
1200 A 90 seconds
750 A 600 seconds
ENGINE
Cummins Engine Company
QSB4.5
In-Line 4 cylinder, 4 cycle diesel, electronic controlled
4.02 in. x 5.42 in. (102 mm x 138 mm)
3
275 in (4.5 L)
110 hp (82 kW)
1000 ± 50 rpm
2750 ± 75 rpm
2400 rpm
1-3-4-2
12 VDC
Negative
10 quarts (9.5 liters)
38 quarts (36 liters)
Specifications and Capabilities
Figure 2 (Sheet 2 of 2)
Chapter 1-1
Page 4