Section VII. CRANE ENGINE GENERATOR ASSEMBLY
assembly from the crane engine assembly (para. 132).
311. General
b. Disassembly. Disassemble the crane engine
The crane engine generator assembly is a 4-pole,
generator assembly in the numerical sequence as
shunt-type unit with sealed ball bearings in both the drive
illustrated on figure 188.
end frame and the commutator end frame. The generator
313. Crane Engine Generator Assembly Cleaning,
serves a duel purpose: it supplies electrical energy for
lights, ignition, and accessories, and it serves to recharge
Inspection and Repair
the batteries by furnishing current to make up for cranking
a. Cleaning.
Clean all parts with an approved
and other power supplied by the batteries while the
cleaning solvent.
generator is not in operation. The armature rotates
b. Inspection and Repair. Inspect all parts for
between the field coils and produces voltage. The
excessive wear or other damage. Repair or replace all
generator is cooled by a fan mounted on the drive pulley.
defective parts. Refer to TM 5-764 for armature and field
The generated current is discharged to the electrical
coil tests.
system through the armature and field terminals. The
generator rotates clockwise with a brush tension of 28
314. Crane Engine Generator Assembly Reassembly
ounces. The field current at 808 Fahrenheit is 1.00-105
and Installation
amperes at 24 volts. The cold output of the generator at
a. Reassembly.
Reassemble the crane engine
4000 revolutions per minute is 40 amperes at 28 volts.
generator assembly in the reverse of the numerical
312. Crane Engine Generator Assembly Removal and
sequence as illustrated on figure 183.
Disassembly
b. Installation. Install the crane engine generator
a. Removal.
Remove the crane engine generator
assembly on the crane engine assembly (para. 132).
Section VIII. CRANE INSTRUMENT PANEL AND WIRING HARNESS
315. General
The crane instrument panel is located on the right
side of the crane cab and contains the necessary gages,
instruments, and wiring for proper operation of the crane
engine.
316. Crane Instruments Panel and Wiring Harness
Removal
b. Remove the instrument panel and wiring harness
as instructed on figure 184.
317. Crane Instrument Panel and Wiring Harness
Cleaning and Inspection
a. Cleaning. Clean the instrument panel with
Figure 184. Crane instrument panel and wiring
harness, removal and installation.
AGO 6819A
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