16 Muffler; Tools, Servicing Aids; Removing The Muffler; Installing The Muffler - Stihl BR 800 Service Manual

16 Muffler

16.1

Tools, Servicing Aids

Socket, T20x125 – 0812 542 2041 or equivalent
–
Socket, T27x125 – 0812 542 2104 or equivalent
–
Torque wrench – 5910 890 0302 or equivalent
–
Screwdriver, T20 – 5910 890 2301
–
Screwdriver, T27x200 – 5910 890 2415 or equivalent
–
16.2

Removing the Muffler

Preparations, @ 3.1.
N
Remove the cover, @ 7.4.
N
Remove the rewind starter, @ 6.2.
N
Remove the shroud, @ 7.4.
N
Take out the screws (3).
N
Remove the muffler (2).
N
Remove the muffler gasket (1).
N
Clean sealing faces on muffler (2) and cylinder.
N
16.3

Installing the Muffler

Insert the screws (3) in the muffler.
N
Fit new muffler gasket (1) on the screw threads.
N
Place the muffler (2) in position.
N
Insert and tighten down the screws (3) firmly.
N
Install the shroud, @ 16.2.
N
44
1
2
5
6
Install the rewind starter, @ 6.14.
N
Install the cover, @ 7.5.
N
16.4

Removing the Scoop and Spark Arrestor

Preparations, @ 3.1.
N
Remove the cover, @ 7.4.
N
Remove the rewind starter, @ 6.2.
N
Remove the shroud, @ 7.4.
N
Loosen the screws (4).
N
Pull out the scoop (6).
N
Pry the spark arrestor (5) (if fitted) out of the scoop
N
without damaging it in the process.
If the spark arrestor is damaged: Install a new spark
N
arrestor (5).
16.5

Installing the Scoop and Spark Arrestor

Where applicable, fit the spark arrestor (5) in the
N
scoop (6).
Push the scoop (6) into the guide in the muffler (2) as
N
far as stop.
Insert and tighten down the screws (4) firmly.
N
Install the shroud, @ 7.5.
N
Install the rewind starter, @ 6.14.
N
Install the cover, @ 7.5.
N
3
M5x18
(8 Nm /
71 lbf. in.)
4
M4x9.6 (1 Nm /
9 lbf. in.)
BR 800