Engine; Removing And - Stihl 034 Series User Manual

5

Engine

5.1 Removing and Installing Muffler
Always check and, if necessary,
repair the fuel system, carburetor,
air filter and ignition system before
looking for faults on the engine.
Troubleshooting chart - see
"Standard Repairs, Trouble-
shooting" handbook.
(034)
Take out the screws and remove
the upper casing.
(036, 036 QS)
Take out screws and remove the
upper casing.
034, 036, 036 QS
Take out the screws and remove
the lower casing.
1
(034)
Remove exhaust gasket (1) and
flange.
1
(036, 036 QS)
Remove heat shield (1) and
gasket (2) from the upper
casing (3).
1
Install new gasket (1) so that its
bead points toward the muffler.
Note:
If the bores of the lower casing are
not reinforced, fit washers under the
heads of the mounting screws.
– Coat threads of mounting screws
with LOCTITE -
– Insert and tighten down the
mounting screws firmly (see
"Tightening Torques").
3
2
see 13.2.
19