TM 55-2210-224-34
3-64. TRACTION MOTOR ASSEMBLY (cont)
CLEANING, INSPECTION, AND REPAIR (cont)
Table 3-6. Traction Motor Data (continued)
ITEM
SPECIFICATION
Axle Bearings
Diametrical clearance
Minimum
0.020 in. (0.5 mm)
Maximum
0.060 in. (1.52 mm)
End Play
Minimum
0.0625 in. (1.58 mm)
Maximum
0.150 in. (3.81 mm)
Temperature to heat bearing housing before
assembly of ball bearings
158 to 176°F (70 to 80°C)
Temperature to heat housing and bearings
assembly before mounting on armature shaft
195°F (90°C)
Torque to apply to clamping plate bolts when
assembling bearings after bearing and shaft
temperatures equalize
100 lb-ft (135.6 N.m)
Temperature to heat deflector when installing
bearings
212°F (100°C)
Temperature to heat inner race and spacer when
assembling on hypoid shaft
248°F (120°C)
Temperature above shaft temperature to heat
armature fan before mounting
356°F (180°C)
Temperature to heat flinger when mounting
302°F (150°C)
Weights
Motor only
1775 lb (805.1 kg)
Armature
600 lb (272.1 kg)
Motor, gear box, and accessories
3000 lb (1 360.8 kg)
3-249
