Ads on request “Generator W221. Assignment of the generator outputs Elementary check with a light bulb and multimeter

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The xenon lighting system is not only lamps, but also additional components, the relevance and importance of which is very high. One of these components is the ignition unit, without which the lamps simply would not work. The standard high-quality devices include the Bosch xenon ignition unit. This equipment is made in Germany and belongs to the second generation. The use of the block regularly on cars falls on 2008.

Kindling principle for xenon Turan, Cadillac and Golf. The unit transforms the voltage from 12 V to 25000 V at the start, which provides almost instant ignition of the xenon source and further glow. the unit provides current supply and voltage maintenance of 85 V for operation of Renault Megan and Range Rover lamps

Also, if you are not sure that this block model is suitable for your BMW 3 e92 e70 e83 e90 car, you can seek help from highly qualified online specialists who will help you choose the device exactly for the brand and model of your vehicle.

Standard serial block code for BMW and Audi:
1307329074 130732915602
1307329076 130732923900
1307329153 1 307 329 153
1k0941329 63117182520
a1669002800 a2048203285 golf

The Mercedes ignition unit (models 221 w204 w221 w211 W216 W218) also provides control of xenon equipment, preventing short circuits and failure of the entire system. The device must be installed only on those cars on which it was used earlier, so as not to interfere with the electronics of French Peugeot and Citroen cars.

This original device, which serves to ensure the operation of xenon, is mainly used by Mazda 6. Also, this model of the second generation of the unit is often used on Volkswagen Passat (b6 b7 ss) and Audi A4 A3 a6 cars. The electronic system for igniting a xenon lamp is still used on cars of these brands, without losing its relevance and popularity even after the release of new generation units with advanced functionality.

The main characteristics of the xenon block for the lamp D3S, D4S:

Combination with xenon lamps. This model of ignition blocks is used exclusively with xenon lamps that have D1S / D1R and D2S / D2R bases (if we are talking about Land Rover c-class e46 x3 x5). Note that it is necessary to use only original lamps of well-known manufacturers, so as not to disable the unit in a matter of days.

Power and installation on Mazda 6 2008 gg. The block of the German company is placed exclusively on cars with the obligatory match of the original Mercedes gh c350 codes (except for the igniter). The voltage in the on-board network must be 12 V tt. The block itself in such conditions consumes only 35 watts of vehicle power, thereby not negatively affecting the electronics and the car's generator.

3.3.1 The “+” terminal of the generator is connected to the “+” terminal of the battery, designed to provide energy to the electrical consumers of the machine and charge the battery. The “+” terminal of the generator is brought out with an M8 bolt. The generator housing is a negative terminal and is connected to the mass of the machine.

3.3.2 Terminal “D” is the anode terminal of the auxiliary rectifier of the semiconductor rectifier unit. The presence of a constant voltage at the output can be used to signal the start of the generator, for which pilot lamps, a starter blocking relay, and so on can be connected to it. The maximum load current at terminal “D” is not more than 1.5A at a voltage value relative to “mass” of at least 26.5V. The output “D” of the generator is brought out by pin 6.4, mounted on the M5 screw.

3.3.3 The output “W” is the output of one of the phases of the generator. The output is intended for connecting a tachometer and other devices (starter blocking relay, ABS, etc.) that use alternating voltage to determine the generator shaft speed and, with a certain gear ratio (determined by the pulleys on the engine and generator shafts), the engine shaft. The amplitude of the impulse voltage at the “W” terminal relative to the “mass” at a load current of not more than 1.5A must be at least 25V. The frequency of the pulse signal f w (Hz) is related to the rotational speed of the generator shaft n g (min -1) by the following relationship:

f w =0.1n g.

The output “W” of the generator is brought out by the M4 bolt. If there is a “T” output, the “W” output of the generator may be absent.

3.3.4 Conclusion “T” is the output of a filter that provides the formation of rectangular voltage pulses from an alternating signal (“W”) of one of the phases of the generator. The output is intended for connecting a tachometer and other devices (starter blocking relay, ABS, etc.) that are critical to the shape of the phase signal. The signal from the “T” terminal, as well as from the “W” terminal, can be used to determine the rotational speed of the generator shaft and, with a certain gear ratio (determined by the pulleys on the engine and generator shafts), the engine shaft. The voltage at the “T” terminal relative to the “mass” must be at least 2.0 V at a speed (2000 + 100) min -1 and the load current in the output circuit "T" is not more than 5 mA. The signal frequency f t (Hz) is related to the generator shaft speed n g (min -1) by the following relationship:

f t \u003d 0.1 n

The “T” terminal of the generator is brought out by the M4 bolt. If there is a “W” output, the “T” output of the generator may be absent.

3.3.5 The output “B” of the generator is designed to turn on the electromagnetic excitation of the generator by turning on the voltage regulator. The “B” terminal of the generator is connected through the ignition switch to the positive terminal of the battery.

The current consumption by the regulator at the terminal “B” of the generator should not exceed 50mA at a voltage of 26.5V.

Conclusion “B” of the generator is brought out with an M5 bolt.

The most basic generator function – battery charge battery and power supply to the electrical equipment of the engine.

Therefore, let's take a closer look generator circuit how to connect it correctly, and also give some tips on how to check it yourself.

Generator A mechanism that converts mechanical energy into electrical energy. The generator has a shaft on which a pulley is mounted, through which it receives rotation from the engine crankshaft.

A car generator is used to power electrical consumers, such as: an ignition system, an on-board computer, automotive lighting, a diagnostic system, and it is also possible to charge a car battery. The power of a passenger car generator is approximately 1 kW. Automotive generators are quite reliable in operation, because they ensure the uninterrupted operation of many devices in the car, and therefore the requirements for them are appropriate.

Generator device

The device of a car generator implies the presence of its own rectifier and control circuit. The generating part of the generator, using a fixed winding (stator), generates a three-phase alternating current, which is then rectified by a series of six large diodes and the direct current charges the battery. Alternating current is induced by the rotating magnetic field of the winding (around the field winding or rotor). Further, the current through the brushes and slip rings is fed to the electronic circuit.

Generator device: 1. Nut. 2. Washer. 3.Pulley. 4. Front cover. 5. Distance ring. 6. Rotor. 7. Stator. 8.Rear cover. 9. Casing. 10. Gasket. 11. Protective sleeve. 12. Rectifier unit with capacitor. 13. Shchelkoderzhatel with a voltage regulator.

The generator is located in front of the car engine and is started using the crankshaft. The connection diagram and the principle of operation of the car generator are the same for any car. Of course, there are some differences, but they are usually associated with the quality of the manufactured goods, the power and layout of the components in the motor. In all modern cars, alternating current generator sets are installed, which include not only the generator itself, but also a voltage regulator. The regulator equally distributes the current strength in the field winding, it is due to this that the power of the generator set itself fluctuates at the moment when the voltage at the output power terminals remains unchanged.

New cars are most often equipped with an electronic unit on the voltage regulator, so the on-board computer can control the amount of load on the generator set. In turn, on hybrid vehicles, the generator performs the work of a starter-generator, a similar scheme is used in other designs of the stop-start system.

The principle of operation of the auto generator

Connection diagram of the generator VAZ 2110-2115

Generator connection diagram alternating current includes the following components:

1. Battery.
2. Generator.
3. Fuse block.
4. Ignition.
5. Dashboard.
6. Rectifier block and additional diodes.

The principle of operation is quite simple, when the ignition is turned on, plus through the lock, the ignition goes through the fuse box, light bulb, diode bridge and goes through the resistor to minus. When the light on the dashboard lights up, then the plus goes to the generator (to the excitation winding), then in the process of starting the engine, the pulley starts to rotate, the armature also rotates, due to electromagnetic induction, an electromotive force is generated and alternating current appears.

The most dangerous for the generator is the closure of the heat sink plates connected to the “mass” and the “+” terminal of the generator with metal objects accidentally caught between them or conductive bridges formed by pollution.

Further, the diode passes plus into the rectifier unit through the sinusoid into the left shoulder, and minus into the right shoulder. Additional diodes on the light bulb cut off the minuses and only pluses are obtained, then it goes to the dashboard node, and the diode that is there it passes only the minus, as a result, the light goes out and the plus then goes through the resistor and goes to minus.

The principle of operation of a DC car generator can be explained as follows: a small DC current begins to flow through the excitation winding, which is regulated by the control unit and maintained at a level of just over 14 V. Most generators in a car are capable of producing at least 45 amperes. The alternator is running at 3000 rpm and above - if you look at the ratio of the fan belts to the pulleys, it will be two or three to one in relation to the engine frequency.

To avoid this, the plates and other parts of the generator rectifier are partially or completely covered with an insulating layer. In a monolithic design of the rectifier unit, heat sinks are mainly combined with mounting plates made of insulating material, reinforced with connecting bars.

Wiring diagram for a generator on a VAZ 2107

The VAZ 2107 charging scheme depends on the type of generator used. To recharge the battery on cars such as: VAZ-2107, VAZ-2104, VAZ-2105, which are on a carburetor engine, you will need a G-222 type generator or its equivalent with a maximum output current of 55A. In turn, VAZ-2107 cars with an injection engine use a generator 5142.3771 or its prototype, which is called an increased energy generator, with a maximum output current of 80-90A. You can also install more powerful generators with a return current of up to 100A. Rectifier units and voltage regulators are built into absolutely all types of alternators; they are usually made in one housing with brushes or removable and mounted on the housing itself.

The VAZ 2107 charging scheme has slight differences depending on the year of manufacture of the car. The most important difference is the presence or absence of a charge control lamp, which is located on the instrument panel, as well as the way it is connected and the presence or absence of a voltmeter. Such schemes are mainly used on carburetor cars, while the scheme does not change on cars with injection engines, it is identical to those cars that were previously manufactured.

Generator set designations:

1. “Plus” of the power rectifier: “+”, V, 30, V+, BAT.
2. “Ground”: “-”, D-, 31, B-, M, E, GRD.
3. Field winding output: W, 67, DF, F, EXC, E, FLD.
4. Conclusion for connection with a lamp of serviceability control: D, D+, 61, L, WL, IND.
5. Phase output: ~, W, R, STA.
6. Output of the zero point of the stator winding: 0, MP.
7. The output of the voltage regulator for connecting it to the on-board network, usually to the “+” battery: B, 15, S.
8. The output of the voltage regulator to power it from the ignition switch: IG.
9. The output of the voltage regulator for connecting it to the on-board computer: FR, F.

Scheme generator VAZ-2107 type 37.3701

1. Accumulator battery.
2. Generator.
3. Voltage regulator.
4. Mounting block.
5. Ignition switch.
6. Voltmeter.
7. Control lamp of a charge of the rechargeable battery.

When the ignition is turned on, the plus from the lock goes to fuse No. 10, and then it goes to the battery charge control lamp relay, then goes to the contact and to the coil output. The second output of the coil interacts with the central output of the starter, where all three windings are connected. If the relay contacts are closed, then the control lamp is on. When the engine is started, the generator generates current and an alternating voltage of 7V appears on the windings. A current flows through the relay coil and the armature begins to attract, while the contacts open. Generator No. 15 passes current through fuse No. 9. Similarly, the excitation winding receives power through the brush voltage generator.

VAZ charging scheme with injection engines

Such a scheme is identical to the schemes on other VAZ models. It differs from the previous ones in the way of excitation and control for the serviceability of the generator. It can be carried out using a special control lamp and a voltmeter on the instrument panel. Also, through the charge lamp, the initial excitation of the generator occurs at the time of the start of work. During operation, the generator operates “anonymously”, that is, excitation comes directly from the 30th output. When the ignition is turned on, power through fuse No. 10 goes to the charging lamp in the instrument panel. Then, through the mounting block, it enters the 61st output. Three additional diodes provide power to the voltage regulator, which in turn transmits it to the excitation winding of the generator. In this case, the control lamp will light up. It is at the very moment when the generator will work on the plates of the rectifier bridge that the voltage will be much higher than that of the battery. In this case, the control lamp will not burn, because the voltage on its side on the additional diodes will be lower than on the side of the stator winding and the diodes will close. If during the operation of the generator the control lamp lights up to the floor, this may mean that additional diodes are broken.

Checking the operation of the generator

You can use certain methods in several ways, for example: you can check the recoil current of the generator, the voltage drop on the wire that connects the current output of the generator to the battery, or check the regulated voltage.

To check, you will need a multimeter, a car battery and a lamp with soldered wires, wires for connecting between the generator and the battery, and you can also take a drill with a suitable head, as you may have to turn the rotor by the nut on the pulley.

Elementary test with a light bulb and a multimeter

Wiring diagram: output terminal (B+) and rotor (D+). The lamp must be connected between the main generator output B + and the D + contact. After that, we take the power wires and connect the “minus” to the negative terminal of the battery and to the generator ground, “plus”, respectively, to the plus of the generator and to the B + output of the generator. We fix it on a vice and connect it.

"Mass" must be connected to the last very, so as not to short-circuit the battery.

We turn on the tester in the (DC) direct current mode, we hook one probe to the battery to the “plus”, the second also, but to the “minus”. Further, if everything is in working order, then the light should light up, the voltage in this case will be 12.4V. Then we take a drill and begin to turn the generator, respectively, the light at this moment will stop burning, and the voltage will already be 14.9V. Then we add a load, take an H4 hologen lamp and hang it on the battery terminal, it should light up. Then, in the same order, we connect the drill and the voltage on the voltmeter will already show 13.9V. In passive mode, the battery under the light bulb gives 12.2V, and when we turn the drill, then 13.9V.

Generator test circuit

1. Check the generator for operability by short circuit, that is, “for a spark”.
2. It is also undesirable to allow the generator to work without consumers turned on, while operation with the battery disconnected is undesirable.
3. Connect terminal “30” (in some cases B+) to ground or terminal “67” (in some cases D+).
4. Carry out welding work on the car body with the wires of the generator and battery connected.

Technical specifications

Maximum recoil force (at 13 V and 6000 min -1), A ..... 80

Limits of regulated voltage, V ..... 13.2–14.7

Gear ratio engine-generator ..... 1:2.4

Device Features

Generator type 94.3701 - alternating current, three-phase, with built-in rectifier unit and electronic voltage regulator, right-hand rotation (on the drive side).

Some of the vehicles can be equipped with an AAK-5102 generator made in Slovenia. This generator is interchangeable with the generator 94.3701 in terms of its characteristics and installation dimensions, but has some differences in the design of components and parts. This chapter describes the 94.3701 generator.

Stator and covers 10 and 11 ( rice. 7–5) are fastened with four screws. The rotor shaft 19 rotates in bearings 20 and 25, which are installed in the covers. Power is supplied to the rotor winding (field winding) through brushes and slip rings 27.

The three-phase alternating current induced in the stator winding is converted into a direct current by a rectifier unit attached to the cover 10. The electronic voltage regulator 8 is combined into one unit with a brush holder and is also attached to the cover 10.

The generator connection diagram is shown in rice. 7–6. The voltage for excitation of the generator when the ignition is switched on is supplied to the “D +” terminal of the regulator (terminal “D” of the generator) through a control lamp located in the instrument cluster 5. After starting the engine, the excitation winding is powered by three additional diodes installed on the rectifier unit of the generator.

The output "W" of the generator on cars of the VAZ-2110 family is not used.

The operation of the generator is controlled by a warning lamp in the instrument cluster. When the ignition is turned on, the lamp should be on, and after starting the engine, it should go out if the generator is working. The bright burning of the lamp or its glow in full heat indicates malfunctions.

Control checksgenerator

Checking the generator on the stand

Testing on the bench allows you to determine the health of the generator and the compliance of its characteristics with the nominal ones. For the generator under test, the brushes must be well ground to the slip rings of the collector, and the rings themselves must be clean.

Place the generator on the stand and make the connections as shown in rice. 7–7. Turn on the electric motor of the stand, set the generator output voltage to 13 V with rheostat 4 and bring the rotor speed to 6000 min -1 . Let the generator run in this mode for at least 10 minutes, and then measure the recoil current. For a working generator, it should be at least 80 A.

If the measured value of the output current is significantly less, then this indicates a malfunction in the stator and rotor windings or damage to the valves. In this case, a thorough inspection of the windings and valves is necessary to determine the location of the fault.

The voltage at the generator output is checked at a rotor speed of 5000 min -1 . Using rheostat 4, set the output current to 15 A and measure the voltage at the generator output, which should be 13.2–14.7 V at ambient air and generator temperature (25 ± 10) C.

If the voltage is not within the specified limits, replace the brush holder with voltage regulator with a new, known-good one, and retest. If the voltage is normal, then the old voltage regulator is damaged and must be replaced. And if the voltage still does not fit within the above limits, then it is necessary to check the windings and generator valves.

Generator check electronic oscilloscope

The oscilloscope allows you to accurately and quickly check the health of the generator and determine the nature of the damage by the shape of the rectified voltage curve.

To check, assemble the circuit according to rice. 7–8. Disconnect the wire of the common output of the three additional diodes from the “D +” plug of the voltage regulator and take measures so that the tip of the disconnected wire does not short-circuit with the generator ground. Connect the wire from the battery to the “D+” plug of the regulator through switch 3. Thus, the excitation winding will be powered only from the battery.

Turn on the stand electric motor and bring the rotor speed up to 1500–2000 min -1 . With switch 6, disconnect the battery from the “B +” terminal of the generator and with rheostat 4, set the output current to 10 A.

Use an oscilloscope to check the voltage at the B+ terminal of the alternator. With serviceable valves and stator winding, the rectified voltage curve has a sawtooth shape with uniform teeth ( rice. 7–9, I). If there is an open in the stator winding or an open or short circuit in the valves of the rectifier unit, the shape of the curve changes dramatically: the uniformity of the teeth is disturbed and deep depressions appear ( rice. 7–9, II and III).

After checking the shape of the voltage curve at the “B +” terminal of the generator and making sure that it has a normal appearance, check the voltage at the “D” plug of the generator with the wire disconnected from the “D +” plug of the voltage regulator. Plug "D" is the common terminal of three additional diodes (see Fig. rice. 7–6) supplying the excitation winding during generator operation. The shape of the voltage curve here should also have a regular sawtooth shape. An irregular shape of the curve indicates damage to the additional diodes.

Checking the excitation winding of the rotor

The excitation winding can be checked without removing the generator from the car, removing only the protective cover and voltage regulator together with the brush holder. Having cleaned, if necessary, the slip rings with a sandpaper, an ohmmeter or a test lamp, check whether there is an open in the excitation winding and whether it closes with ground.

Stator check

The stator is checked separately, after removing the rectifier unit.

First of all, check with an ohmmeter or with the help of a test lamp and a battery, if there are any breaks in the stator winding and if its turns are shorted to ground.

The insulation of the winding wires must be free from overheating, which occurs during a short circuit in the valves of the rectifier unit. Replace a stator with such a damaged winding.

Finally, after disassembling the generator, it is necessary to check with a special flaw detector whether there are short-circuited turns in the stator winding.

Checking the valves rectifier block

A good valve only allows current to flow in one direction. Faulty - it can either not pass current at all (open circuit), or pass current in both directions (short circuit).

If one of the rectifier valves is damaged, the entire rectifier unit must be replaced.

A short circuit in the rectifier unit valves can be checked without removing the alternator from the vehicle by first disconnecting the wires from the battery and the alternator and removing the casing from the rear cover of the alternator. The wire is also disconnected from the “D +” terminal of the voltage regulator. You can check with an ohmmeter or with a lamp (1-5 W, 12 V) and a battery, as shown in rice. 7–10 .

First check if there is a short circuit in the "positive" and "negative" valves at the same time. To do this, connect the “plus” of the battery through the lamp to the “B +” terminal of the generator, and the “minus” to the generator housing ( rice. 7–10, I). If the lamp is on, then the "negative" and "positive" valves have a short circuit.

To check a short circuit in the “positive” valves, connect the “plus” batteries through the lamp to the “B +” terminal of the generator, and the “minus” to one of the phase terminals of the stator winding ( rice. 7–10, II). A burning lamp will indicate a short circuit in one or more of the "positive" valves.

A short circuit of the “negative” valves can be checked by connecting the “plus” of the battery through a lamp to one of the phase terminals of the stator winding, and the “minus” to the generator housing ( rice. 7–10, III). A lamp on indicates a short circuit in one or more of the "negative" valves. It should be remembered that in this case, the burning of the lamp may also be the result of a short circuit of the turns of the stator winding on the generator housing. However, such a malfunction is much less common than a short circuit of the valves.

An open in the valves without disassembling the generator can be detected either with an oscilloscope, or when checking the generator on the stand by a significant decrease (by 20-30%) in the amount of current output compared to the nominal one. If the windings, additional diodes and the generator voltage regulator are in good condition, and there is no short circuit in the valves, then the reason for the decrease in the output current is an open in the valves.

Checking additional diodes

A short circuit of additional diodes can be checked without removing and disassembling the generator according to the diagram shown on rice. 7–11. As well as for checking the valves of the rectifier unit, it is necessary to disconnect the wires from the battery and the generator, remove the protective cover of the generator and disconnect the wire from the “D +” terminal of the voltage regulator.

“Plus” of the battery through a lamp (1–3 W, 12 V) connect to the “D” terminal of the generator, and “minus” to one of the phase terminals of the stator winding.

If the lamp lights up, then there is a short circuit in one of the additional diodes. You can find a damaged diode only by removing the rectifier unit and checking each diode individually.

A break in the additional diodes can be detected with an oscilloscope by the distortion of the voltage curve on the “D” plug, as well as by low voltage (below 14 V) on the “D” plug at an average generator rotor speed.

Checking the voltage regulator

The operation of the voltage regulator is to continuously and automatically change the generator excitation current in such a way that the generator voltage is maintained within the specified limits when the generator speed and load current change.

Vehicle check.

To check, you must have a DC voltmeter with a scale of up to 15–30 V with an accuracy class of at least 1.0.

After 15 minutes of engine operation at medium speed with the headlights on, measure the voltage between the B+ terminal and the generator ground. The voltage should be in the range of 13.2–14.7 V.

In the event that a systematic undercharging or overcharging of the battery is observed and the regulated voltage does not fit within the specified limits, the voltage regulator must be replaced.

Checking the removed regulator.

The regulator assembly with a brush holder, removed from the generator, is checked according to the diagram shown on rice. 7–12 .

Turn on a 1–3 W, 12 V lamp between the brushes. Connect the power supply to the “D +” and “ground” terminals of the regulator, first with a voltage of 12 V, and then with a voltage of 15–16 V.

If the regulator is working, then in the first case the lamp should be on, and in the second it should go out.

If the lamp lights up in both cases, then there is a breakdown in the regulator, and if it does not light up in both cases, then either there is an open in the regulator, or there is no contact between the brushes and the outputs of the voltage regulator. The latter can be checked by connecting the wires from the lamp not to the brushes, but directly to the “D +” and “DF” terminals of the voltage regulator.

Capacitor check

The capacitor serves to protect the electronic equipment of the car from voltage pulses in the ignition system, as well as to reduce radio interference.

Remove cover 8 ( rice. 7–13) by depressing the latches that connect it to the back cover. Unscrew the screws securing the brush holder 10 to the back cover assembly with the voltage regulator and remove it. Disconnect the wire from the "D+" terminal of the voltage regulator.

Remove the rectifier unit with the capacitor from the rear cover, for which unscrew the screws securing the phase leads of the stator winding and the screw securing the capacitor to the cover. After that, if necessary, you can disconnect the capacitor from the rectifier unit by unscrewing the nut that secures the capacitor wire to the “B +” terminal of the rectifier unit.

Turn out four coupling screws and disconnect a back cover 7 with a stator 6 from a front cover 3 with a rotor 5. Disconnect the stator from a back cover. If necessary, remove the sleeve with the rear bearing of the rotor shaft from the rear cover.

Clamp the rotor in a vice and use a socket wrench to unscrew the pulley fastening nut 1. Remove the pulley, washer 2, front cover and spacer 4 from the rotor shaft.

The generator is assembled in the reverse order of disassembly. The spring washer of the pulley with the convex side should be in contact with the nut. Tighten the pulley nut to a torque of 38.22–61.74 N m (3.93–6.3 kgf m).

Replacing the voltage regulator or brushes

The voltage regulator assembly with the brush holder is a non-separable unit. Therefore, if the voltage regulator fails or the brushes are worn out (they protrude from the brush holder by less than 5 mm), the entire assembly is replaced.

Rotor bearing replacement

The front bearing of the rotor shaft is pressed and rolled into the front cover. Therefore, in the event of its failure, it is necessary to replace the front cover assembly with the bearing.

The rear bearing is pressed onto the rotor shaft. To replace it, it is necessary to remove the bearing from the rotor shaft with a puller and press a new bearing on the press.

Replacement of additional diodes

To replace, unsolder the leads of the damaged diode and carefully remove it from the plastic holder, avoiding sharp blows to the rectifier unit. Then clean the epoxy residue from the diode installation site, install and solder a new diode.

Solder the output of the diode with a color mark to a common bus. After soldering, glue the body of the diode to the holder with epoxy.

Alternator Drive Belt Tension Adjustment

– turn the adjusting bolt 3 to shift the generator away from the engine;

- Turn the crankshaft two turns and check the belt tension;

– at the end of the adjustment, tighten the generator fastening nuts.

Avoid over-tensioning the belt so as not to cause excessive stress on the generator bearings.