ar1440p1000rtb

Remove/install the diesel particulate filter

Type ar · topic 14.40 · version 0104 · 2010-08-09

Applies to: ENGINE 642.950 in MODEL 251.020 /022 /122

Where it sits

Function group 1 Engine › 14 Exhaust manifold, engine brake, emission control system › 14.40 Exhaust aftertreatment, AdBlue — Series 251 (models 020, 022, 122)

EinPAS 15 Engine › 15.40 Exhaust system/exhaust aftertreatment › 15.40.50 Exhaust aftertreatment unit — Series 251 (models 020, 022, 122)

Also applies to engines/gearboxes: 642 950

AR14.40-P-1000RTB

Remove/install the diesel particulate filter

4.8.10

ENGINE 642.950 in MODEL 251.020 /022 /122

Remove/install the diesel particulate filter

P14.40-2053-09

1 Diesel particulate filter

2 Hose clamps

3 Hose lines

4 Bolts

9 Hose clamp

B19/9 Temperature sensor upstream of diesel particulate filter

5 Transmission bracket

6 Bolted connections

7 Transfer case bracket

8 Hose clamp

Remove/install

Danger!

Risk of injury to skin and eyes caused by handling hot or glowing objects.

Wear safety gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

Notes on self-locking nuts and bolts

All models

AH00.00-N-0001-01A

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.

AS00.00-Z-0010-01A

1

Raise vehicle

AR00.60-P-1000RT

2

Remove temperature sensor upstream of the diesel particulate filter (B19/9)

AR07.04-P-0005RTB

3

Remove clamps (2) and detach hose lines (3)

Installation: Replace clamps (2).

4

Unscrew bolts (4) on transmission bracket (5)

*BA49.10-P-1010-01X

5

Remove screw connections (6) from transfer case bracket (7)

*BA49.10-P-1011-01X

6

Release clamp (8, 9)

Installation: Check the clamps, replace if necessary. Clean combustion and corrosion residues away from connecting points.

*BA49.10-P-1009-01X

*BA49.10-P-1012-01X

7

Remove diesel particulate filter (1)

Ask an assistant to help if necessary.

Notes on disposal of diesel particulate filters

OS49.10-P-1000-02A

8

Install in the reverse order

Checking

9

Check installation position and clearance of exhaust system

The exhaust system must be mounted free of tension, align exhaust system if required.

Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

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

AS00.00-Z-0005-01A

10

Test run engine and check exhaust system for leaks

Exhaust system

Number

Designation

Engine 642 in model 251 without code 928/U42

BA49.10-P-1009-01X

Bolt from catalytic converter hose clamp to diesel particulate filter

Nm

15

BA49.10-P-1010-01X

Bolt from diesel particulate filter to transmission bracket

Nm

20

BA49.10-P-1011-01X

Self-locking nut connecting diesel particulate filter to transfer case bracket

Nm

20

BA49.10-P-1012-01X

Bolt from diesel particulate filter hose clamp to pipe

Nm

35

Referenced documents