16
Series 4141 Powerhead
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
– Remove the carburetor - see 9.3.
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.
VA
380RA024
2
4
3
1
Take the spacer flange off the
cylinder, fit a new gasket (2).
Check impulse hoses (1), replace
porous or torn hoses.
VA
380RA024
2
4
3
1
Replacing gaskets on intake
stubs
Note:
The cylinder has to be
disassembled to remove the
diaphragm carriers.
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.
VA
380RA025
1
2
3
Take out the screws (1) and
remove the diaphragm carrier
(2). Fit a new gasket.
VA
380RA026
1
2
Inspect diaphragm with support
plate (1) for signs of damage.
To remove the diaphragm, take
out the screw (2) on the support
plate.
VA
380RA027
1
2
Checking diaphragm function
– Check function of diaphragm by
blowing through or applying
suction to the connecting stub.
Suction: diaphragm closed
Blowing: diaphragm opens
If the diaphragm does not close
tight, install a new one.
5.5
Replacing/Sealing Components
of Mixture Supply System
Summary of Contents for 4141 Series
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