Alternator

Item
Measurement
Qualification
Standard or New
Service Limit
Alternator
Output
At 13.5 V and normal engine temperature
90 A
Coil (rotor) resistance
At 20 °C (68 °F)
1.84−2.10 Ω
Slip ring O.D.
22.7 mm (0.89 in.)
21.2 mm (0.83 in.)
Brush length
15.5 mm (0.61 in.)
1.5 mm (0.06 in.)
Brush spring tension
3.3−4.1 N (0.34−0.42 kgf, 0.75−0.93 lbf)