TM 55-2210-224-34
3-64. TRACTION MOTOR ASSEMBLY (cont)
CLEANING, INSPECTION, AND REPAIR (cont)
34. Clean, inspect, and repair remaining parts by the following:
WARNING
· Drycleaning solvent P-D-680 is toxic and flammable.
Wear protective goggles and gloves and use only in a
well-ventilated area. Avoid contact with skin, eyes,
and clothes and don't breathe vapors. Do not use
near open flame or excessive heat. The flash point
is 100 - 138°F (38 - 59°C). If you become dizzy, get
fresh air immediately and get medical aid. If contact
with eyes is made, wash your eyes and get medical
aid immediately.
· Compressed air used for cleaning purposes will not
exceed 30 psi (207 kPa). Do not direct compressed
air against skin. Use goggles or full face shield.
a. Use drycleaning solvent and clean parts. Dry with compressed air.
b. Inspect parts for cracks and breaks.
c.
Replace defective parts.
d.
Paint inside surface of covers (21) with electrical insulating varnish.
e.
Paint outside surface of motor housing (42) with rubberized insulating paint.
f.
Check that no machined surfaces are painted.
35. Refer to table 3-6 for traction motor data.
Table 3-6. Traction Motor Data
ITEM
SPECIFICATION
Classification
4 pole, dc, commutating-pole machine
Motor Speed (max. permissible)
4650 rpm
Resistance at 77°F (25°C) (nominal)
Existing Field
0.0142 ohm
Commutating Field
0.0150 ohm
Armature
0.0222 ohm
3-246
