Muffler, Heat Shield; Tools, Servicing Aids; Removing Muffler And Heat Shield; Installing Muffler And Heat Shield - Stihl MS 500i Service Manual

26 Muffler, Heat Shield

9
26.1

Tools, Servicing Aids

Socket, T27x125 – 0812 542 2104 or equivalent
–
Torque wrench – 5910 890 0302 or equivalent
–
Screwdriver, T27x200 – 5910 890 2415 or equivalent
–
Loctite 242 (medium-strength threadlocking
–
adhesive) – 0786 111 2101
26.2

Removing Muffler and Heat Shield

Preparations, @ 3.1.
N
Remove the spark arrestor (if fitted).
N
Take out the screws (1).
N
Take out the screws (3).
N
Remove the muffler upper casing (2).
N
Remove the gasket (5).
N
Take out the screws (4).
N
Remove the muffler lower casing (6).
N
Remove the muffler gasket (7).
N
Remove the heat shield (8).
N
MS 500i
8
6
7
4
M5x20 (10 Nm / 89 lbf. in.)
M5x20 (10 Nm / 89 lbf. in.)
26.3

Installing Muffler and Heat Shield

If the sealing faces on the exhaust port, heat shield
N
(8) and muffler (6 and 2) are damaged: replace the
damaged parts (cylinder (9), heat shield (8), muffler
lower casing (6), muffler upper casing (2)).
Place the heat shield (8) on the cylinder (9).
N
Fit the muffler gasket (7).
N
Fit the muffler lower casing (6).
N
If the original screws (4) are re-used: Coat threads of
N
screws (4) with Loctite 242.
Insert and tighten down the screws (4) firmly.
N
Fit gasket (5) on muffler lower casing (6).
N
Fit the upper casing (2).
N
If the original screws (3) are re-used: Coat threads of
N
screws (3) with Loctite 242.
Insert and tighten down the screws (3) firmly.
N
If the original screws (1) are re-used: Coat threads of
N
screws (1) with Loctite 242.
Insert and tighten down the screws (1).
N
Install the spark arrestor (if fitted).
N
Calibrate the saw, @ 4.
N
The controller is optimally adjusted to suit the mechanical
and mechatronic components.
1
M5x6 (6 Nm / 53 lbf. in.)
5
2
3
53