ar4920g2049ch

Remove/install external pneumatic pressure reduction valve on pump module

유형 ar · 주제 49.20 · 버전 0101 · 2018-08-11

적용 대상: Engine 457.9, 458.9, 541.9, 542.9, 941.9, 942.9 in model 000.001 with BlueTec

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위치

기능 그룹 1 엔진 › 49 배기가스 시스템, 배기가스 정화장치 › 49.20 배기 가스 후처리 시스템 — 시리즈 000 (모델 001) · 시리즈 942 (모델 9**)

EinPAS 15 엔진 › 15.40 배기 시스템/배기가스 후처리 시스템 › 15.40.13 라인/호스/밸브 — 시리즈 000 (모델 001) · 시리즈 942 (모델 9**)

엔진/변속기에도 적용: 457 9**, 458 9**, 541 9**, 542 9**, 941 9**

AR49.20-G-2049CH

Remove/install external pneumatic pressure reduction valve on pump module

10.08.2018

Engine

457.9, 458.9, 541.9, 542.9, 941.9, 942.9 in model 000.001

with BlueTec

Remove/install external pneumatic pressure reduction valve on pump module

1

Pump module

2

External pneumatic pressure reducing valve

3

Compressed-air line

4

AdBlue® return line

5

AdBlue® return flow

11

AdBlue® feed line

12

Electrical connector

W14.40-1514-06

Remove/install external pneumatic pressure reduction valve on pump module

2

External pneumatic pressure reducing valve

6

Banjo union

7

AdBlue® return connection

8

Screw-in bushing

9

Sleeve

10

Nut

A

Shoulder

W14.40-1481-02

Warning

Risk of burn injuries and scalding when working at AdBlue lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue. Risk of poisoning caused by swallowing AdBlue

Pour AdBlue into suitable containers only. Wait until the pressure is released before starting any work on the exhaust aftertreatment system.

AS14.40-Z-0001-01A

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

Notes on use, material properties and handling of AdBlue®

AH14.40-N-0001-01A

Remove/install

1

Release AdBlue® and coolant line package and press to the side.

Installation: Replace cable tie.
It is essential to ensure that the AdBlue® and coolant lines are routed absolutely free of tension and that possible chafe marks are prevented.

2

Disconnect electrical connector (12) from pump module (1).

3

Remove pump module (1) from bracket and turn to the side.

Pump module on bracket

*BA14.40-N-1010-02H

4

Disconnect compressed-air line (3) from the external pneumatic pressure reduction valve (2).

Compressed air line to external pressure relief valve

*BA14.40-N-1053-02H

5

Detach AdBlue® return line (4) from the external pneumatic pressure reduction valve (2) and seal with end cap.

End cap for AdBlue® return line

WF58.50-W-1440-06A

6

Detach AdBlue® feed line (11) from the external pneumatic pressure reduction valve (2) and seal openings with end caps.

End cap for AdBlue® intake duct and AdBlue® feed line

WF58.50-W-1440-05A

End cap for AdBlue® feed connection on pump module and AdBlue® feed and return connection on AdBlue® container

WF58.50-W-1440-07A

7

Unscrew nut (10).

8

Remove banjo union (6) upward.

AdBlue® return connection to banjo union of external pressure reduction valve

*BA14.40-N-1050-02H

9

Remove external pneumatic pressure reduction valve (2) from AdBlue® return (5) of the pump module (1).

Installation: The shoulder (A) in the inside of the nut (10) must point downward toward the banjo union (6).

Sleeve for external pressure relief valve to pump module

*BA14.40-N-1049-02H

Nut to sleeve of external pressure reduction valve

*BA14.40-N-1051-02H

Screw-in bushing to sleeve for external pressure relief valve

*BA14.40-N-1052-02H

Compressed air line to external pressure relief valve

*BA14.40-N-1053-02H

AdBlue® return connection to banjo union of external pressure reduction valve

*BA14.40-N-1050-02H

10

Install in the reverse order.

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 457.9, 458.9

engine 541.9, 941.9

BA14.40-N-1010-02H

Pump module on bracket

Nm

60

60

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 542.9, 942.9

BA14.40-N-1010-02H

Pump module on bracket

Nm

60

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 457.9, 458.9

engine 541.9, 941.9

BA14.40-N-1049-02H

Sleeve for external pressure relief valve to pump module

Nm

45

45

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 542.9, 942.9

BA14.40-N-1049-02H

Sleeve for external pressure relief valve to pump module

Nm

45

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 457.9, 458.9

engine 541.9, 941.9

BA14.40-N-1050-02H

AdBlue® return connection to banjo union of external pressure reduction valve

Nm

16

16

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 542.9, 942.9

BA14.40-N-1050-02H

AdBlue® return connection to banjo union of external pressure reduction valve

Nm

16

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 457.9, 458.9

engine 541.9, 941.9

BA14.40-N-1051-02H

Nut to sleeve of external pressure reduction valve

Nm

40

40

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 542.9, 942.9

BA14.40-N-1051-02H

Nut to sleeve of external pressure reduction valve

Nm

40

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 457.9, 458.9

engine 541.9, 941.9

BA14.40-N-1052-02H

Screw-in bushing to sleeve for external pressure relief valve

Nm

30

30

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 542.9, 942.9

BA14.40-N-1052-02H

Screw-in bushing to sleeve for external pressure relief valve

Nm

30

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 457.9, 458.9

engine 541.9, 941.9

BA14.40-N-1053-02H

Compressed air line to external pressure relief valve

Nm

13

13

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 542.9, 942.9

BA14.40-N-1053-02H

Compressed air line to external pressure relief valve

Nm

13

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