1. Check the regulator fault is due to damage to the closure. At this point, the conductor on the battery terminal of the regulator can be removed, and then another lead wire can be connected and then introduced into the cab; another wire can be connected to the intermediate terminal between the flow restrictor and the current limiter. The other end is introduced into the cab. When the engine is approaching the middle speed, the two wire ends that are introduced into the cab are connected. When the rotation speed is reduced, the two wires are disassembled, and the operation of the interceptor is manually controlled.
2. Check regulator 1 ohm resistor burnout. In this case, copper wire with a diameter of 0.2 mm and a length of 65 mm can be used instead. If there is no such condition, a thin wire can also be used instead. Then, it is installed between the two core fixing screws of the shutoff and the restrictor.
3. Check the regulator and current limiter for damage. At this point, the conductor on the magnetic field terminal of the generator can be removed and a 13-cm resistor (available with the acceleration resistor removed on this regulator) can be connected between the generator field terminal and the armature terminal. This is because both the excitation circuit and the excitation current are switched on and the charging current is prevented from being excessively large. A bulb with a resistance of approximately 13 cm can also be connected in series between the generator's magnetic field and the armature terminal for temporary first aid.
4. Check the voltage limiter magnetization coil burnout. This can be done in the following ways: 1 Remove the wire from the “Magnetic†terminal of the regulator and refit it between the additional resistor (80 cm) and the accelerating resistor (1 to 3 cm). 2 Remove the wires on the “Armature†and “Magnetic†terminals from the regulator and insert a small light bulb between them. 3 After the engine is shut off, the switches of all electrical equipment are turned off. At this time, the ammeter pointer still indicates a large discharge current. The above phenomenon indicates that the contacts of the interceptor are not disconnected. At this time, the engine should be restarted immediately to make the generator The battery is charged, and the charging circuit is cut off with the thread on the “battery†terminal removed from the regulator, and then carefully checked to find out why the contact of the interceptor cannot be disconnected and removed. 4 If the regulator is severely damaged, or if it is not possible to determine the location of the fault at a time, the above-mentioned regulator, current limiter, and closure emergency aid method may be used in combination. The difference is that the regulator battery terminal and the armature terminal conductor must be removed at the same time, and then a piece of wire should be connected to the cab.
In short, the above-mentioned first-aid method is only applicable to the temporary emergency of the locomotive in the middle of driving. After the locomotive arrives at the destination, it must be repaired or replaced in time.
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