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TM 9-2320-364-34-2
6-10
6-2. ALTERNATOR ASSEMBLY REPAIR (145 AMP) (CONT).
c.
Cleaning/Inspection.
Drycleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective goggles, face
shield, and gloves; use only in a well-ventilated area; avoid contact with skin, eyes, and
clothes, and do not breathe vapors. Keep away from heat or flame. Never smoke when
using solvent. The flashpoint for Type II Drycleaning Solvent is 140 degrees F (60 degrees
C) and Type III Drycleaning Solvent is 200 degrees F (93 degrees C). Failure to do so may
result in injury or death to personnel.
If personnel become dizzy while using cleaning solvent, immediately get fresh air and
medical help. If solvent contacts skin or clothes, flush with cold water. If solvent contacts
eyes, immediately flush eyes with water and get immediate medical attention.
Do not soak stator or rotor in solvents. Damage to insulation may result.
(1)
Clean stator and rotor with drycleaning solvent.
(2)
Wipe dry with clean cloth.
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with
effective chip guarding and personal protective equipment (goggles/shield, gloves, etc).
Failure to comply may result in injury or death to personnel.
(3)
Dry stator and rotor with compressed air.
(4)
Clean all other components except bearings in drycleaning solvent.
(5)
Inspect electrical assemblies for frayed wires, or loose connectors.
(6)
Inspect mechanical assemblies for cracks, chipping, scratches or gouges. Check for old or excess grease.
(7)
Clean rectifier assembly holes and terminal screws to ensure good electrical contact.
(8)
Clean carbon coating off slip rings with crocus cloth.
(9)
Inspect brushes for burnt appearance, cracks, or broken edges.
(10)
Check brush wear and replace if length measures less than 3/16 in. (4.76 mm).
(11)
Check drive end housing bearing for smooth operation. If bearing binds, replace bearing.
(12)
Check slip ring housing bearing for missing rollers. If rollers are missing, replace bearing.
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