Figure 3-2. Alternator, disassembly and reassembly.
bearings for corrosion, roughness, or wear. Inspect
turned in a lathe, in a manner similar
brushes for wear, oil-soaked condition, or weak springs.
to that used to repair worn rings.
Inspect slip rings for wear, grooving, or burned spots.
(9) Remove retainer and bearings from drive
Inspect diodes for burned or damaged condition. Test
diodes with an ohmmeter for short or open circuits as
(10) Remove diodes and heatsinks from slip ring
described in f below.
end frame as necessary after testing as described in f
(3) Repair or replace defective rotor or
windings. Replace worn, corroded, or rough bearings.
(11) Reassemble in reverse order.
Replace oil-soaked brushes, or those worn to 7/16 inch
d. Cleaning, Inspection, Test, and Repair.
long. Replace brush springs that do not have a 10
(1) Wipe brushes and windings with a clean dry
ounce tension. Replace defective diodes.
cloth, only. Clean all other parts with any process
e. Diode Replacement.
required to thoroughly clean but not damage the part.
(1) Replacement diodes come with uniformly
(2) Inspect and test rotor and stator windings for