TM 5-4610-218-12
(3) Repair the control cabinet if necessary.
WARNING
Make sure that all electrical power
4-38. Electrical Cable Assemblies.
has been disconnected from the con-
Normally, all electrical power cable assem-
trol cabinet before performing main-
blies are not repairable except for temporary repairs
tenance on the electrical system. Al-
such as using electrical tape to repair damaged in-
ways refer to electrical wiring
sulation until replacement can be made. With the
diagram, F. O. 2, for proper con-
exception of the generator power cable, which can
nections.
be replaced by using bulk stock, all other cable as-
b. Clean, Inspect and Repair.
semblies consist of multi-conductor cables with wa-
tertight connectors molded to the ends. Replace all
(1) Wash the control cabinet with dry clean-
damaged or defective cable assemblies.
ing solvent P-D-680 and dry thoroughly.
(2) Inspect for cracks, breaks, dents and other
damage.
Section XI. MAINTENANCE OF ERDLATOR COMPONENTS
cracks, scoring burrs, or other damage.
WARNING
Dry cleaning solvent, P-D-680, used to
light engine oil or fuel oil. Do not dry the beraings
clean parts, is potentially dangerous.
with compressed air.
Avoid repeated and prolonged
(7) Inspect the threaded parts for damaged
breathing of the vapors and skin con-
threads, cracks, breaks, or other damage.
tact with the liquid. Do not use near
(8) Polish the shaft when necessary.
open flame or excessive heat. Use in a
well-ventilated area. The flash-point
(9) Replace any damaged or defective parts.
of P-D-680 is 100-138 F (38-59 C).
(10) Repair cracked or frayed wiring insu-
lation by taping. If the motor shows signs of run-
4-38. Erdlator Agitator Drive Motor and Belt.
ning hot or the bearings are loose or binding, re-
place the motor.
a. General. The agitator drive motor is located
on the bridge rail assembly on top of the erdlator
(11) Replace a defective junction box.
tank. It provides power to the erdlator agitator by
e. Testing.
means of a pulley, belt, shaft and speed reducer.
(1) Test the field coils for circuits by placing
one probe of a multi-tester in series with each wind-
remove the drive motor and belt.
ing in turn. If the lamp does not light, there is an
open circuit and the fields must be replaced.
semble the erdlator agitator drive motor.
(2) Test the field coils for grounds by holding
d. Clean, Inspect and Repair.
one probe of a test lamp to the field body and touch-
ing each terminal wire in turn with the other prod.
(1) Clean the motor with a clean cloth damp-
ened with dry cleaning solvent P-D-680.
If the test lamp lights, it indicates a grounded coil.
(2) Inspect the motor for signs of overheating,
worn bearings and damaged wires and insulation.
semble the erdlator agitator drive motor.
(3) Clean the belt with soapy water.
and install the drive motor and belt.
(4) Inspect the belt for cracks, wear, or dry-
ness. Replace a defective belt.
the drive motor and belt.
(5) Inspect the shaft and fan of the rotor for
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