ar4910d5000sd

Remove/install main muffler

Type ar · topic 49.10 · version 0104 · 2010-07-06

Applies to: ENGINES 642.896 /992, 646.984 /985 /986 /989 /990 in MODEL 906

Where it sits

Function group 1 Engine › 49 Exhaust system, exhaust gas cleaning › 49.10 Exhaust pipes, catalytic converter, mufflers — Series 646 (models 984, 985, 986, 989, 990) · Series 906

EinPAS 15 Engine › 15.40 Exhaust system/exhaust aftertreatment › 15.40.41 Manifold/pipe/muffler/exhaust gas hose — Series 646 (models 984, 985, 986, 989, 990) · Series 906

Also applies to engines/gearboxes: 642 896, 642 992

AR49.10-D-5000SD

Remove/install main muffler

16.6.10

ENGINES 642.896 /992, 646.984 /985 /986 /989 /990 in MODEL 906

Remove/install main muffler

D49.10-1111-09

1 Main muffler

2 Spring washer

5 Pipe clamp

3 Rubber hanger

4 Pipe 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
1	Lift/jack up vehicle		AR00.60-D-1000H
2	Loosen pipe clamps (4, 5)	 Installation: Check pipe clamps (4, 5), replace if necessary. The exhaust system must be aligned before tightening pipe clamps (4, 5).
			*BA49.10-N-1004-01I
			*BA49.10-N-1005-01I
3	Remove spring washers (2)	 Installation: Replace spring washers (2).
4	Guide and remove main muffler (1) out of rubber hangers (3)	 Installation: Check rubber hangers (3), replace if necessary.
5	Install in the reverse order
	Checking
 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
6	Perform engine test run and inspect exhaust system for leaks in the area of main muffler (1)

 Exhaust system

Number	Designation			Model 906 with engine 646	Model 906 with engine 642


BA49.10-N-1004-01I	Pipe clamp connecting diesel particulate filter to main muffler		Nm	47	47
BA49.10-N-1005-01I	Pipe clamp connecting main muffler to end pipe		Nm	23	23

Referenced documents

ar0060d1000h Lift/jack up vehicle
as0000z000201a Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.
as0000z000501a 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.