Figure 6. Crane engine fuel tank, removal and installation.
Section IV. CRANE ENGINE GENERATOR ASSEMBLY
rotates between the field coils and produces voltage.
The generator is cooled by a fan mounted on the drive
pulley. The generated current is discharged to the
The crane engine generator assembly is a 4pole,
electrical system through the armature and field
shunt-type unit with sealed ball bearings in both the
terminals. The generator rotates clockwise with a brush
drive end frame and the commutator end frame. The
tension of 28 ounces.
The field current at 800
generator serves a dual purpose: it supplies electrical
Fahrenheit is 1.00-1.05 amperes at 24 volts. The cold
energy for lights, ignition, and accessories, and it serves
output of the generator at 4000 revolutions per minute is
to recharge the batteries by furnishing current to make
40 amperes at 28 volts.
up for cranking and other power supplied by the
batteries while the generator is not in operation. The