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7.9.4. Check of system of preliminary heating

Scheme of system of preliminary heating

H16 – an alarm bulb,

K25 – the relay,

M12 – a starter,

R5 – glow plugs,

Y5 – the blocking solenoid,

3 – from the accumulator,

8 – from the ignition lock,

15 – food,

20 – safety lock,

30 – food

Designations of color of wires

BL – blue,

BR – brown,

GE – yellow,

RT – red,

SW – black,

VI – violet

Mixing cameras of the engine are warmed up before start of the engine by means of electric candles of an incandescence. At turn of a key in the ignition lock in situation On on a combination of devices the control bulb of system of preliminary heating lights up. When the bulb goes out, the engine is ready to start.

For inclusion of candles of an incandescence the relay installed on a back wall of a motor compartment or near a rack of a forward suspension bracket is used.

The relay of candles of an incandescence is installed on a back wall of a motor compartment.

The relay of candles of an incandescence is installed near the top fastening of one of racks of a forward suspension bracket.

Check

MODELS WITH THE ENGINE 16D AND 16DA, AND ALSO EARLY MODELS WITH THE ENGINE 17D

PERFORMANCE ORDER
1. At inclusion of ignition of a glow plug have to consume current in 8-9 A.
2. Remove the checked candle and fix it on the block of cylinders (the place of fastening is specified by an arrow).
3. Connect the positive probe of the ampermeter to the candle plug.
4. Connect minus the ampermeter probe to the plus plug of the accumulator and check that the tip of a glow plug became red approximately in 5 seconds. Approximately in 15 seconds current has to decrease with 25 A to 12 A.

MODELS WITH THE ENGINE 17DR AND 17D

For check of candles of an incandescence on these models it is necessary to address experts.