To Operate The Product; Throttle Control - Husqvarna ST 424 Manuel D'utilisation

2. Fill slowly with a fuel can. If you spill fuel, remove it
with a cloth and let remaining fuel dry off.
3. Clean the area around the fuel tank cap.
4. Tighten the fuel tank cap fully. If the fuel tank cap is
not tightened, there is a risk of fire.
5. Move the product a minimum of 3 m (10 ft) from the
position where you filled the tank, before a start.
To use the fuel switch (for ST
424/427/430 only)
• Turn the fuel switch to open or close the fuel valve.
Operate the product with the fuel switch in the OPEN
position.(Fig. 51 )
To start the engine, manual start
1. Put the ON/OFF key into the ignition slot (B). Do not
turn the key.(Fig. 52 )
2. For ST 424/427/430 only: Turn the fuel ON/OFF
switch (C) to the ON position.
3. Put the throttle control (A) to the FAST position.
4. Turn the ON/OFF key to the ON position.
5. For ST 424/427/430 only: If the temperature is lower
than -17 °C (0 °F), push the primer 3 times. See
Product overview on page 10 for primer position.
CAUTION: Do not push the primer too
many times. It can prevent the engine
from starting. If the engine is flooded,
wait some minutes before you try to
start. Do not push the primer.
6. Pull the starter rope handle (D).
CAUTION: Do not release the starter
rope handle quickly. Move it slowly to the
start position.
Note: If the starter rope is frozen, slowly pull out as
much rope out of the starter as you can. Release the
starter rope handle. If the engine does not start, do
the procedure again or use the electric starter.
7. Run the engine 2-3 minutes at very low speed before
you start to throw snow.
8. If the engine does not run smoothly, turn it off.
To start the engine, electric start
1. Put the ON/OFF key into the ignition slot (B). Do not
turn the key.
2. For ST 424/427/430 only: Turn the fuel ON/OFF
switch (C) to the ON position.
3. Put the throttle control (A) to the FAST position.
4. Put the ON/OFF key to the ON position.(Fig. 53 )
5. For ST 424/427/430 only: If the temperature is lower
than -17 °C (0 °F), push the primer 3 times. See
Product overview on page 10 for primer position.
16
CAUTION: Do not push the primer too
many times. It can prevent the engine
from starting. If the engine is flooded,
wait some minutes before you try to to
start. Do not push the primer.
6. Turn the ON/OFF key to START. When the engine
starts, release the key.
CAUTION: Do not run the starter for
more than 5 seconds each time you try
to start. Wait 5 to 10 seconds between
each try.
7. Run the engine 2-3 minutes at very low speed before
you start to throw snow.

To operate the product

CAUTION: Do not partially engage drive or
auger levers for an extended period of time;
this can lead to premature wear or burning
of the belts.
Note: When both the drive engagement and auger
engagement are engaged, the drive engagement will
lock the auger engagement in position. Use the right
hand to control the snow discharge chute.
1. To engage the auger blades, push the auger
engagement (A) to the handle to engage the auger
and throw snow.(Fig. 54 )
2. Raise the drive speed control lever (C) from the
middle position to make the product move forward
when the drive engagement (B) is engaged.
3. Lower the drive speed control lever from the middle
position to make the product move rearward when
the drive engagement is engaged. (Fig. 55 )
4. To make the product move in the selected direction,
hold the drive engagement against the handle .
5. If the product has power steering, hold the left
steering trigger (D) to turn left. Hold the right steering
trigger to turn right.(Fig. 56 )

Throttle control

Note: If the snow is wet or heavy, use the fast or boost
modes.
The throttle control adjusts the engine speed. It has 3
modes: boost, fast and slow.
(Fig. 57 )
• Boost (A): to increase speed when the product is
operated but does not throw snow, or to increase the
distance that snow is thrown.
• Fast (B): standard operation
• Slow (C): to decrease the distance that snow is
thrown, or to decrease engine noise
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