- Nominal voltage, V, — 12
- Direction of rotation - Right (from the drive side)
- Maximum output current at 14 V and rotor speed of 5000 min⁻¹, A — 42
- Maximum rotor speed, min⁻¹ — 13000
- Engine-generator gear ratio: 1:2.04
The sectional view of the generator is shown in Fig. 7-4, and the electrical circuit diagram of the generator system connections is shown in Fig. 7-5.
Fig. 7-4. Generator G-221: 1 - cover from the contact ring side; 2 - rectifier block, 3 - rectifier block mounting screw; 4 - contact ring; 5 - rear ball bearing; 6 - protective cover: 7 - rotor shaft, 8 - contact bolt extension; 9 - contact bolt; 10 - bundle of wires; 11 - brush holder with brushes; 12 - generator mounting stud to tension bar; 13 - pulley with fan; 14 - rotor pole piece, 15 - bushing; 16 - Front ball bearing; 17 - drive side cover; 18 - rotor winding, 19 - stator; 20 - stator winding; 21 - rotor pole tip; 22 - buffer bushing; 23 - bushing; 24 - pressure sleeve
Fig. 7-5. Generator system connection diagram: 1 - battery; 2 - generator; 3 - voltage regulator; 4 - ignition switch; 5 - fuse box; 6 - charge indicator lamp; 7 - charge indicator lamp relay
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