Husqvarna ST 424 Manuel D'utilisation page 19

Oil change reminder
The oil change reminder (A) is a function that points out
that an oil change is necessary. The oil change reminder
lights up the oil can symbol on the display after 20 hours
of operation. The oil can symbol is then on for 2 hours or
until a manual reset is done.
(Fig. 64 )
To reset the oil change reminder
1. Turn the ON/OFF key to the ON position, and keep it
in the ON position for 1 second.
2. Turn the ON/OFF key to the STOP position, and
keep it in the STOP position for 1 second.
3. Do this procedure 4 more times.
To do a check of the oil level
CAUTION: A too low oil level can do
damage to the engine. Do a check of the oil
level before you start the product.
1. Put the product on level ground.
2. Remove the oil tank cap with the attached dipstick.
3. Clean the oil from the dipstick.
4. Put the dipstick fully into the oil tank to give a correct
picture of the oil level.
5. Remove the dipstick.
6. Examine the oil level on the dipstick.
7. If the oil level is low, fill with engine oil and do a
check of the oil level again.
To replace the engine oil
1. Run the engine a few minutes to make the oil warm.
Warm oil flows better and includes more
contaminants.
WARNING: The engine oil is hot. Avoid
skin contact with the used engine oil.
2. Put the product on level ground.
3. Remove the ON/OFF key.
4. Put a container below the oil drain plug.
5. Remove the oil drain plug, tip the product and drain
the used oil in the container.
6. Put the product back to the operating position.
7. Install the oil drain plug and tighten it by hand.
8. Fill the engine with oil, see
on page 15 .
To lubricate the product
• Lubricate the pivot points (A) with oil.
• Lubricate the engine (B) with oil.
891 - 002 -
To fill the engine with oil
• Lubricate the interlock catches (C) with a small
quantity of lithium grease.
• Lubricate the cable connections for the drive and
auger levers (D) with oil.(Fig. 65 )
Battery
Battery maintenance
Note: The battery on your product is maintenance free.
Do not open or remove the caps or the covers.
To charge the battery
Note: Before long term storage, charge the battery with
a battery charger to extend the life of the battery.
1. Remove the battery cover. Refer to
battery on page 19 .
2. Clean the terminals. Refer to
and the terminals on page 20 .
3. Connect the battery charger to the battery charger
connector (A).(Fig. 66 )
4. When the battery is charged, disconnect the battery
charger.
5. Install the battery cover.
To replace the battery
WARNING: Risk of electrical shock. Do not
let metal objects touch the 2 battery
terminals. This can cause a short circuit of
the battery.
1. Loosen the knob (A), then tilt the bottom of the cover
in the direction of the engine. Lift the battery cover
off the holders (B).(Fig. 67 )
2. Disconnect the BLACK battery cable.
WARNING: The BLACK cable must be
disconnected first.
3. Disconnect the RED battery cable.
4. Loosen the nuts and remove the battery strap.
5. Carefully remove the battery from the product.
6. Install a new battery.
7. Connect the RED battery cable and tighten the bolt.
WARNING: Risk of sparks. The RED
cable must be connected first.
8. Connect the BLACK cable and tighten the bolt.
9. Install the battery cover.
To replace the
To clean the battery
19