Toro 38079 Operator's Manual page 18

Do not overload the snowthrower by clearing snow at
too fast a rate. If the engine slows down, shift the
snowthrower into a lower gear to reduce the forward
speed.
In wet or slushy conditions, maintain maximum engine
speed, and do not overload the engine to prevent
clogging the discharge chute.
If the front of the snowthrower tends to ride up, reduce
the forward speed by shifting the snowthrower into a
lower gear. If the front still tends to ride up, lift up on
both handgrips to hold down the front of snowthrower.
If the wheels slip, shift the snowthrower into a lower
gear to reduce the forward speed.
After clearing the snow, let the engine run for a few
minutes to prevent moving parts from freezing. Engage
the auger/impeller to clear any remaining snow from
inside the housing. Shut off the engine, wait for all
moving parts to stop, and remove all ice and snow from
the snowthrower.
With the engine shut off, pull the recoil starter handle
several times to prevent the recoil starter from freezing
up.
When you are not using the snowthrower, close the fuel
shutoff valve and remove the key.
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