Saab Workshop Service and Repair Manuals

Alternator: Specifications
Generator 120A

Generator 120A

Generator 120A

Rated Voltage ................................................................................................................................................................................................................  14V

Stator Connection ..........................................................................................................................................................................................................  Star

Slip Ring Diameter:
New ...........................................................................................................................................................................................................................  15.4mm
Minimum ..................................................................................................................................................................................................................  14.4mm

Maximum Permissible Radial Runout
Belt Pulley ..................................................................................................................................................................................................................  0.2mm
Slip Rings .................................................................................................................................................................................................................  0.02mm
Rotor ......................................................................................................................................................................................................................  0.087mm

Minimum Length of Brushes, From Brush Holder  ..............................................................................................................................................  7.5mm 

Pulley Ratio, Engine/Generator ..................................................................................................................................................................................  1:2.9

Test Values

Resistance, Rotor Winding (at 25°C) ....................................................................................................................................................................  2.6 Ohm

Resistance, Stator Between Phases (at 25°C) ...................................................................................................................................................  0.051 Ohm