Removing, installing flame starting system

AR15.45-B-1000B

Removing, installing flame starting system

12.02.16

Danger!

Risk of personal and material damage when starting the engine with the transmission in gear. Personal risk while working on a hot and running engine.

Always make sure that the transmission is in neutral.

Wear adequate clothing and beware of moving components.

AS00.00-B-0005-01A

Danger!

Risk of poisoning while using toxic substances.

Risk of explosion while using inflammable substances. Risk of injury (eyes and skin) while using corrosive substances.

No smoking, no naked flames, use adequate containers for fuel storage.

AS47.00-B-0001-01A

1

Turn off main switch or disconnect negative battery cable.

Loosen screws on side member, avoid separating the terminals.

2

Tilt engine hood.

In Vehicles with chassis: 386.0; 386.3; 388.0

AR88.40-B-1000A

3

Open engine rear cover.

In Vehicles (omnibus): 664.0; 664.1; 664.2

4

Disconnect plug terminal (18).

5

Disconnect electrical connection from solenoid valve (3).

6

Loosen hollow screws (14) and (16) with sealing washers (15) and (17) and remove tubing (12).

Examine tubing (12) and replace as necessary

The tubing must be in accordance with specifications.

*BE15.10-B-1001-01D

For installation replace sealing washers (15) and (17).

 Hollow screw (14).

*BA09.30-B-1004-01B

 Hollow screw with metering orifice (16).

*BA09.30-B-1003-01B

7

Loosen, without removing, three screws (6), plug (18) and remove assembly (1).

Do not remove screws and plug to facilitate removal of combustion chamber (8).

 Cover hole with hardboard and adhesive tape to keep out any impurities.

8

Remove three screws (6) and corrugated washers (7) together with gasket (9) and combustion chamber (8).

Before installation replace gasket (9), examine combustion chamber (8) and replace it in case it is burnt or deformed.



*BA09.30-B-1001-01B

9

Remove upper gasket (9).

Replace gasket (9) before installation.

10

Remove both screws (10) and thrust washers (11).



*BA09.30-B-1002-01B

11

Remove solenoid valve (3) and gasket (5).

Before installation, verify operation of solenoid valve (3) in accordance with specified test values:

*BE15.10-B-1002-01D

Nominal work tension.

Maximum admissible tension for the valve.

Valve consumption.

Maximum admissible switching time.

Effective operation

Fuel passage orifice.

Torsion torque.

Frequency.

Nominal input pressure of liquid (fuel) for the valve.

12

Remove heater plug (18).

Before installation, verify operation of heater plug (18) in accordance with specified values:

*BE15.10-B-1004-01D

Nominal tension.

Test temperature.

Electrical operation values.

13

Remove injection assembly (4)

Position support (2) in a bench vise with protected jaws.

Before installation, verify operation of ejector assembly (4) in accordance with specified values:

*BE15.10-B-1005-01D

Central pulverization orifice.

Injected fuel volume.



*BA09.30-B-1005-01B

14

Disconnect electric wiring from sensor (19) connection.

15

Provide plug (M l4x1,5) to close orifice for thermal sensor (19) in cooling chamber.

16

Remove thermal sensor (19) together with adapter nipple (20) and sealing ring (21).

Before installation, verify operation of thermal sensor (19) in accordance with specified values:

*BE15.10-B-1003-01D

Work temperature.

Opening temperature.

Closing temperature.

Operating voltage range.

 Thermal sensor

*BA09.30-B-1006-01B

 Adapter nipple

*BA09.30-B-1007-01B

17

Install in reverse order.

After installation check engine operation preferably with engine temperature below 15 °C

18

Verify system leak tightness. If needed, check thermal sensor contact closing through continuously applied current.

Número

Denominação

Engine 372.9, 374.9, 376.9, 377.9

BE15.10-B-1001-01D

Measure of the fuel tube

mm

6,0x1,0

BE15.10-B-1002-01D

Electromagnetic valve

Nominal voltage-bipolar

V (DC)

24

Maximum voltage allowed by the valve

V

30

Maximum valve consumption -nominal working voltage

W

19

Maximum time allowed for switching

minutes

15

Effective operation allowed

C

-40...+90

Diameter of the fuel passage orifice

mm

1,5

Torque developed by valve

Ncm

>35

Frequency

Hz

1.250

Nominal pressure of the fluid (fuel) at the valve inlet

bar

1,0

BE15.10-B-1003-01D

Thermal sensor

Operating temperature

C

-40...+85

Opening temperature

C

27...33

Closing temperature

C

18...26

Working voltage range

V

8,0...30

BE15.10-B-1004-01D

Heating plug

Nominal voltage

V (DC)

23

Test temperature, after 21 seconds of connection

C

1020...1080

Electric operating values - U voltage

V

23,5

Electric operation values-amperage I, after 21 seconds

A

13...15

BE15.10-B-1005-01D

Injection set

Diameter of the central spraying hole

mm

0,15

Injected fuel volume at a 1.5 bar pressure

cm 3

16

Número

Denominação

Engine 475.9; 476.9

BA09.30-B-1001-01B

Injector assembly fastening bolts

M8

Nm

20

BA09.30-B-1002-01B

Bolts securing the hydraulic valve

M6

Nm

10

BA09.30-B-1003-01B

Hollow bolt with line connection metering outlet in the filter

M8

Nm

15

M14

Nm

30

BA09.30-B-1004-01B

Valve line connection hollow bolt

M8

Nm

15

BA09.30-B-1005-01B

Injector assembly in the bracket

Nm

20

BA09.30-B-1006-01B

Thermal sensor on adapter nipple

M5

Nm

5

BA09.30-B-1007-01B

Adapter nipple

Nm

-