SP 451, SP 481
English
20
Tensioning the Rewind Spring
N Make a loop in the unwound starter
rope and use it to turn the rope rotor
six full revolutions
counterclockwise.
N Hold the rotor steady.
N Pull out and straighten the twisted
rope.
N Let go of the rotor.
N Release the rope slowly so that it
winds onto the rotor.
The starter grip must sit firmly in the rope
bushing. If the grip droops to one side:
Add one more turn on the rope rotor to
increase spring tension.
N Take one turn of the rope off the
rotor.
N Fit the fan housing.
Replacing a Broken Rewind Spring
N Remove the rope rotor as described
in "Replacing the Starter Rope".
N Take out the screws (7).
N Remove the spring housing and
pieces of spring.
N Lubricate the new, ready-to-fit
replacement spring in the new
spring housing with a few drops of
resin-free oil – see "Special
Accessories".
N Place the replacement spring with
spring housing in position – bottom
plate facing up.
If the spring pops out of the housing
during installation: Refit it clockwise,
starting outside and working inwards.
N Fit the screws.
N Refit the rope rotor as described in
"Replacing the Starter Rope".
N Tension the rewind spring.
N Fit the fan housing.
For periods of 3 months or longer
N Drain and clean the fuel tank in a
well ventilated area.
N Dispose of fuel properly in
accordance with local
environmental requirements.
N Run the engine until the carburetor
is dry – this helps prevent the
carburetor diaphragms sticking
together.
N Thoroughly clean the machine –
pay special attention to the cylinder
fins and air filter.
N Store the machine in a dry, high or
locked location, – out of the reach of
children and other unauthorized
persons.
When the starter rope is fully
extended it must still be possible
to rotate the rotor another one and
a half turns. If this is not the case,
the spring is overtensioned and
could break.
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