CH–20 CHARGING SYSTEM – SERVICE SPECIFICATIONS SERVICE SPECIFICATIONS SERVICE DATA Battery | Voltage (Maintenance–free battery) at 20°C (68°F) | 12.7–12.9 V Specific gravity (Except maintenance–free battery) at 20°C(68°F) | 1.27–1.29 Generator | Rated output 2JZ–GE | 12 V 90 A 2JZ–GTE | 12 V 100 A Rotor coil resistance at 20°C (68°C) | 2.8–3.0 Ω Slip ring diameter STD | 14.2–14.4 mm (0.559–0.567 in.) Minimum | 12.8 mm (0.504 in.) Brush exposed length STD | 10.5 mm (0.413 in.) Minimum | 1.5 mm (0.059 in.) Voltage regulator | Regulating voltage at 25°C (77°F) | 13.6–14.8 V at 115°C (239°F) | 13.2–14.0 V TORQUE SPECIFICATIONS Part tightened | N·m | kgf·cm | ft·lbf Rectifier end frame X Drive end frame | 4.5 | 46 | 40 in.·lbf Generator pulley X Rotor | 110 | 1,125 | 81 Rectifier holder X Coil lead on rectifier end frame | 2.0 | 20 | 17 in.·lbf Rear end cover X Rectifier holder | 4.5 | 46 | 40 in.·lbf Plate terminal X Rectifier holder | 3.9 | 40 | 35 in.·lbf Terminal insulator X Rectifier holder | 6.5 | 66 | 58 in.·lbf Generator X Water pump | 37 | 380 | 27 Generator X Cylinder block | 37 | 380 | 27