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TM 9-2320-360-34-1
6-3. 24-VOLT ALTERNATOR REPAIR (CONT)
WARNING
Compressed air for cleaning purposes will not exceed 30 psi (207 kPa). Use only
with effective chip guarding and personal protective equipment (goggles/shield,
gloves, etc.).
(2)
Dry stator and rotor with compressed air or dry cloth.
(3)
Clean all other components, except bearings, in dry cleaning solvent.
(4)
Inspect electrical assemblies for damage, frayed or bare wires, or loose connections.
(5)
Inspect mechanical assemblies for damage. Check for old or excess grease.
(6)
Clean rectifier assembly holes and terminal screws to ensure good electrical contact.
(7)
Clean carbon coating off slip rings with crocus cloth (8) Inspect brushes for burnt appearance, cracks,
broken edges.
(9)
Check brush wear and replace if length measures less than 0.19 in. (4.8 mm).
(10)
Check drive end housing bearing for
smooth rotation. If bearing binds, replace
bearing.
(11)
Check slip ring housing bearing for
missing rollers. If rollers are missing,
replace bearing.
d.
Assembly
(1)
Position drive end housing (1) in press.
CAUTION
Apply pressure only on outer portion
of race when pressing bearing into
drive end housing. Failure to comply
may result in equipment damage.
(2)
Press bearing (2) in drive end housing (1).
(3)
Install bearing retainer (3) in drive end
housing (1) with four screws (4).
NOTE
Threaded end of shaft must point
downward.
(4)
Install rotor assembly (5) in drive end
housing (1).
(5)
Remove rotor assembly (5) from press.
6-24
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