Remove/install SCR air pressure limiter solenoid valve

AR14.40-B-2015A

Remove/install SCR air pressure limiter solenoid valve

28.10.2019

Engine

924.9 in model 368, 384.0/2, 685.282/284/289/290

Engine

926.9 in model 368, 382.17/18, 384.0

Represented on vehicle 382.177

1

Compressed air inlet

2

Compressed air outlet

3

Connection bolt

4

Electric connection

5

Connection bolt

6

Fastening bolt

7

Electromagnetic pressure relief valve

 

Remove/install

1

Turn off ignition

Notes on compressed air connection systems

.

AH00.18-N-0001-01A

2

Detach the electric connection (4) of the pressure limiting solenoid valve (7)

 After engine shutdown, compressed air continues flowing through some compressed air lines for approximately 3 min. Start working on the compressed air operating unit after this time.

3

Remove the compressed air inlet line (1)

 Firstly, slacken the connection bolt (5) in two turns to release the pressure of the system and then remove it completely.

 .Compressed air connection system "VOSS 232"

*BA00.18-B-1002-01A

4

Remove the compressed air outlet line (2)

 First, loosen the connection bolt (3) in two turns to release the system pressure and then remove it completely.

 .Compressed air connection system "VOSS 232"

*BA00.18-B-1002-01A

5

Remove the pressure limiting solenoid valve (7), unscrewing the fastening nuts (6)

 .SCR compressed air limiting solenoid valve on support

*BA14.40-B-1018-02B

6

Install in reverse order

7

Charge the compressed air system to work pressure

 Compressed air piping

Number

Designation

Model all (BUS, TRUCK)

BA00.18-B-1002-01A

Compressed air connection system "VOSS 232"

M16

Nm

14

M14

Nm

14

M22

Nm

14

 Exhaust gas after-treatment

Number

Designation

Engine 924.9, 926.9 except Liquid Only

BA14.40-B-1018-02B

SCR compressed air limiting solenoid valve on support

Nm

7