ar1440d2008ad

Remove/install pressure reservoir at pump module of exhaust aftertreatment system

유형 ar · 주제 14.40 · 버전 0201 · 2019-07-15

적용 대상: Engine 900.917/918/919 in model 668, 670

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위치

기능 그룹 1 엔진 › 14 배기 매니폴드, 엔진 브레이크, 배기가스 정화장치 › 14.40 배기가스 후처리, AdBlue — 시리즈 668 · 시리즈 670 · 시리즈 900 (모델 917, 918, 919)

EinPAS 15 엔진 › 15.40 배기 시스템/배기가스 후처리 시스템 › 15.40.51 펌프/정량기/노즐 — 시리즈 668 · 시리즈 670 · 시리즈 900 (모델 917, 918, 919)

AR14.40-D-2008AD

Remove/install pressure reservoir at pump module of exhaust aftertreatment system

28.06.2019

Engine

900.917/918/919 in model 668, 670

Modification notes

02.12.2008

Cleaning of contact surfaces on O-ring (7) and coating of O-ring (7) with grease added

Step 5

Remove/install pressure reservoir at pump module of exhaust aftertreatment system

D14.40-0018-08

1

Protective cap

4

Pressure reservoir

7

O-ring

2

Pressure reservoir housing

5

Housing cover

8

Pump module

3

Valve

6

Screw

Remove

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

Notes on use, material properties and handling of AdBlue®

AH14.40-N-0001-01A

1

Unscrew the protection cap (1) from the valve (3).

2

Actuate the valve (3) until the pressure reservoir (4) is completely empty.

3

Unscrew the screws (6) and remove the pressure reservoir (4) from the pressure reservoir housing (2).

The pressure reservoir housing (2) still contains some AdBlue. When removing the pressure reservoir (4), use a suitable container to catch any escaping AdBlue.

Install

4

Clean the pressure reservoir (4) and check it for damage; replace if necessary.

5

Insert the pressure reservoir (4) into the pressure reservoir housing (2) and fasten with screws (6).


The specified grease must be used. It must also be ensured that grease is used very sparingly,
otherwise this could damage the exhaust aftertreatment system.

Replace O-ring (7). Clean contact surfaces of O-ring (7) using a clean rag and water.
Apply a thin coating of grease to the O-ring (7) before installing it.

Pressure reservoir housing cover on pump module

*BA14.40-N-1003-02E

ABS sensor grease

*BR00.45-Z-1019-06A

6

Fill the pressure reservoir (4) with oil- and grease-free air.

AP14.40-D-1490A

Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

7

Perform an engine test run and test the pump module (8) in the area of the pressure reservoir housing (2) for leaks.

Exhaust aftertreatment, Blue Tec

Number

Designation

Engine 900.9 in model 668, 670

BA14.40-N-1003-02E

Pressure reservoir housing cover on pump module

Nm

8

Repair materials

Number

Designation

Order number

BR00.45-Z-1019-06A

ABS sensor grease

A 000 989 62 51 10

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