Replacing/Sealing Components Of Mixture - Stihl 4141 Series Manual

5.5 Replacing/Sealing Components
of Mixture Supply System
Always check and 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.
– Remove shroud - see 5.1.
– Remove the air filter - see 9.1.
– Remove throttle cable and plugs
from control handle - see 8.2.
– Remove the ignition module - see
6.2.2.
– Remove the carburetor - see 9.3.
1
4
3
Sealing the spacer flange
Remove mounting screws (3)
from spacer flange (4) lösen.
Disconnect impulse hoses (1)
from the diaphragm carriers on
the right and left of the cylinder.
16
1
4
3
Take the spacer flange off the
cylinder, fit a new gasket (2).
Check impulse hoses (1), replace
porous or torn hoses.
Replacing gaskets on intake
stubs
Note:
The cylinder has to be
disassembled to remove the
diaphragm carriers.
2
Take out the cylinder mounting
screws (2).
Raise the cylinder (1) slightly and
slide the wooden assembly block
(3) 1108 893 4800 under the
piston.
– Lift away the cylinder.
2
Take out the screws (1) and
remove the diaphragm carrier
(2). Fit a new gasket.
2
Inspect diaphragm with support
plate (1) for signs of damage.
To remove the diaphragm, take
out the screw (2) on the support
plate.
Checking diaphragm function
– Check function of diaphragm by
blowing through or applying
1
suction to the connecting stub.
Suction: diaphragm closed
2 Blowing: diaphragm opens
If the diaphragm does not close
3
tight, install a new one.
Series 4141 Powerhead
1
2
1