Alternator

Item
Measurement
Qualification
Standard or New
Service Limit
Alternator
Output
At 13.5 V and normal engine temperature
105 A
Coil (rotor) resistance
At 20 °C (68 °F)
2.5 Ω
Slip ring O.D.
14.4 mm (0.57 in.)
14.0 mm (0.55 in.)
Brush length
10.5 mm (0.41 in.)
1.5 mm (0.06 in.)
Brush spring tension
3.3−4.1 N (0.34−0.42 kgf, 0.7−0.9 lbf)