Husqvarna ST 430 Owner Manual - Page 12

Operation

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Operation Before you start the product • Keep persons and animals away from the work area. • Do daily maintenance. See Maintenance schedule on page 16. • Make sure the ignition lead fits correctly on the spark plug. • Add oil or gasoline, if necessary. See To fill fuel on page 12. To fill the engine with oil CAUTION: Do not rotate the dipstick when you check the oil. Do not fill above the mark. 1. Remove the oil cap and clean the dipstick. See Product overview on page 2 for the location of the dipstick. 2. Add oil to the top mark on the dipstick. Use the dipstick to do a check of the oil level at regular intervals. 3. Put the oil cap back. To fill fuel If available, use low-emission/alkylate gasoline. If low-emission/alkylate gasoline is not available, use good quality unleaded gasoline or leaded gasoline. Use gasoline with an octane number of 90 RON out of North America (87 AKI in North America) or higher, and with a maximum of 10% ethanol (E10). CAUTION: Do not use gasoline with an octane number less than 90 RON out of North America (87 AKI in North America). This can cause damage to the product. 1. Open the fuel tank cap slowly to release the pressure. 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. OFF FUELCONTROL INSTRUCTIONS ON To start the engine, manual start 1. Put the ON/OFF key into the ignition slot (B). Do not turn the key. A B C D 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 2 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. 12 876 - 011 - 11.05.2020

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Operation
Before you start the product
•
Keep persons and animals away from the work
area.
•
Do daily maintenance. See
Maintenance
schedule on page 16
.
•
Make sure the ignition lead fits correctly on the
spark plug.
•
Add oil or gasoline, if necessary. See
To fill fuel
on page 12
.
To fill the engine with oil
CAUTION:
Do not rotate the dipstick
when you check the oil. Do not fill above
the mark.
1.
Remove the oil cap and clean the dipstick. See
Product overview on page 2
for the location of
the dipstick.
2.
Add oil to the top mark on the dipstick. Use the
dipstick to do a check of the oil level at regular
intervals.
3.
Put the oil cap back.
To fill fuel
If available, use low-emission/alkylate gasoline. If
low-emission/alkylate gasoline is not available, use
good quality unleaded gasoline or leaded gasoline.
Use gasoline with an octane number of 90 RON out
of North America (87 AKI in North America) or
higher, and with a maximum of 10% ethanol (E10).
CAUTION:
Do not use gasoline with an
octane number less than 90 RON out of
North America (87 AKI in North
America). This can cause damage to the
product.
1.
Open the fuel tank cap slowly to release the
pressure.
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.
OFF
ON
FUEL
CONTROL
INSTRUCTIONS
To start the engine, manual start
1.
Put the ON/OFF key into the ignition slot (B). Do
not turn the key.
B
A
C
D
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 2
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.
12
876 - 011 - 11.05.2020