21.7. Starter

Starter 35.3708 assembled

1 – a cover from the drive;
2 – lock ring;
3 – restrictive ring;
4 – drive gear wheel;
5 – obgonny coupling;
6 – flood ring;
7 – rubber cap;
8 – drive lever;
9 – relay anchor;
10 – the holding winding of the traction relay;
11 – the involving winding of the traction relay;
12 – coupling bolt of the relay;
13 – contact plate;

14 – relay cover;
15 – contact bolts;
16 – collector;
17 – brush;
18 – anchor shaft plug;
19 – a cover, from a collector;
20 – casing;
21 – shuntovy coil of a winding of the stator;
22 – case;
23 – screw of fastening of a pole of the stator;
24 – anchor;
25 – anchor winding;
26 – intermediate ring.

Starter 5722.3708 assembled

1 – anchor shaft;
2 – "positive" brush;
3 – brush holder;
4 – bracket;
5 – contact bolts;
6 – traction relay;
7 – contact plate;
8 – core of the traction relay;
9 – rod of the traction relay;
10 – the holding winding;
11 – the involving winding;
12 – relay anchor;
13 – forward cover;
14 – drive lever;
15 – lever arm;
16 – laying;

17 – axis of a planetary gear wheel;
18 – a drive shaft support with an insert;
19 – obgonny coupling;
20 – restrictive ring;
21 – plug of a forward cover;
22 – drive shaft;
23 – the ring which is taking away;
24 – a gear wheel with internal teeths;
25 – drove;
26 – central (leading) gear wheel;
27 – satellite;
28 – an anchor shaft support with an insert;
29 – anchor core;
30 – permanent magnet;
31 – collector;
32 – a back cover with the plug.

Scheme of connections of a starter

1 – starter;
2 – rechargeable battery;
3 – generator;

4 – relay of inclusion of a starter;
5 – ignition switch.

Starter 35.3708 – the four-brush electric motor of a direct current with the mixed excitement and with the electromagnetic dvukhobmotochny traction relay.

Technical characteristic of a starter 35.3708

Rated power, kW

1,3
The consumed current at the maximum power, no more, And
290±10
The consumed current in the slowed-down state, no more, And
550
The consumed current in the idling mode, no more, And

60

In the starter case screws fixed four poles with excitement windings: three seriyesny (consecutive) and one shuntovy (parallel). The case together with covers is pulled together with two bolts. An anchor – with a face collector. The back end of a shaft of an anchor rotates in the ceramic-metal plug pressed in a cover from a collector, and the forward end – in the plug pressed in a cover from the drive.

On a shaft of the drive the coupling of a free wheeling (the obgonny coupling) with a driving gear wheel is installed. It transfers torque only in one direction – from a starter to the engine, separating them after launch of the engine. It is necessary for protection of an anchor of a starter against damage because of the excessive frequency of rotation.

The traction relay serves for input of a gear wheel of the drive in gearing with a gear wreath of a flywheel of a bent shaft of the engine and inclusion of power supply of the electric motor of a starter. At turn of the ignition key in situation "starter" tension via the additional relay of 113.3747-10 type moves on both windings of the traction relay (involving and holding). After short circuit of contacts of the traction relay the involving winding is disconnected.

Tension of operation of the traction relay has to be no more than 9 V at (20±5) °C. If it not so, in the relay or the drive is available malfunction. Serviceability of the drive is defined at survey after dismantling of a starter. The faulty relay is replaced.

The starter 5722.3708 – the quadripolar four-brush electric motor of a direct current with excitement from permanent magnets, with a planetary reducer, the roller coupling of a free wheeling and the dvukhobmotochny traction relay is installed on parts of engines.

Technical characteristic of a starter 5722.3708

Rated power, kW

1,55
The consumed current at the maximum power, no more, And
375
The consumed current in the slowed-down state, no more, And
700
The consumed current in the idling mode, no more, And
80

To the steel case of a starter four permanent magnets are pasted, from within everyone is in addition fixed by the razvaltsovanny aluminum plug. The case and covers of a starter are pulled together with two hairpins. The shaft of an anchor rotates in two ceramic-metal inserts established in a cover and a support of a shaft. The torque from a shaft of an anchor is transferred to a drive shaft through the planetary reducer consisting of the central gear wheel, three planetary gear wheels drove also gear wheels with internal gearing (epycyclic).

On a shaft of the drive the coupling of a free wheeling (the obgonny coupling) with a driving gear wheel is installed. It transfers torque only in one direction – from a starter to the engine, separating them after launch of the engine. It is necessary for protection of a reducer and an anchor of a starter against damage because of the excessive frequency of rotation.

The device and operation of the traction relay and the scheme of giving of power supply are similar to a starter 35.3708.