Husqvarna ST 324 Manuel D'utilisation page 17

To lubricate the product
• Lubricate the pivot points (A) with oil.
• Lubricate the engine (B) with oil.
• Apply a small amount of lithium grease to the
interlock bosses (C) at the beginning of each
season or every 25 hours of use. (Fig. 68)
Muffler
The muffler keeps the noise levels to a minimum and
sends the exhaust fumes away from the operator.
Do not use the product if the muffler is missing or
defective. A defective muffler increases the noise
level and the risk of fire.
WARNING:
very hot during and after use and when
the engine operates at idle speed. Be
careful near flammable materials and/or
fumes to prevent fire.
To examine the spark plug
CAUTION:
recommended spark plug type. Incorrect
spark plug type can cause damage to
the product.
• Examine the spark plug if the engine is low on
power, is not easy to start or does not operate
correctly at idle speed.
• To decrease the risk of unwanted material on the
spark plug electrodes, obey these instructions:
a) Make sure that the idle speed is correctly
adjusted.
b) Make sure that the fuel mixture is correct.
c) Make sure that the air filter is clean.
• If the spark plug is dirty, clean it and make sure
that the electrode gap is correct, refer to
Technical data on page 23 . (Fig. 69)
• Replace the spark plug if it is necessary.
To inspect the augers and the
scraper bar
1. Before each use, inspect the augers and the
scraper bar for wear.
2. If the edge of the scraper bar is worn, reverse the
scraper bar. If the scraper bar has damages or is
worn on both edges, replace it.
3. If the edges of the augers are worn, contact an
authorized service center to replace them.
To replace the auger shear pins
The auger shear pins protect the product from
damage. The auger shear pins break if an object
comes into the moving parts.
1674 - 004 - 18.05.2021
The muffler becomes
Always use the
CAUTION:
equipment shear pins supplied with the
product.
1. If an auger shear pin breaks, stop the engine and
wait for the moving parts to stop.
2. Remove the ON/OFF key and disconnect the
spark plug cable.
3. Align the hole in the auger hub (B) with the hole
in the auger shaft (C) and install a new ¼ - 20 x 2
shear pin (A).
4. Install a ¼-20 locknut (D) on the shear pin and
tighten. (Fig. 70)
5. Put the ON/OFF key in the ignition and connect
the spark plug cable to the spark plug.
To replace the impeller shear pins
The impeller shear pins protect the product from
damage. The impeller shear pins break if an object
comes into the moving parts.
CAUTION:
equipment shear pins supplied with the
product.
1. If an impeller shear pin breaks, stop the engine
and wait for the moving parts to stop.
2. Remove the ON/OFF key and disconnect the
spark plug cable.
3. Align the hole in the impeller hub (A) with the
holes in the impeller shaft (B) and install a new
¼-20 shear pin (C).
4. Install a ¼-20 locknut (D) on the shear pin and
tighten. (Fig. 71)
5. Put the ON/OFF key in the ignition and connect
the spark plug cable to the spark plug.
To examine the tires
• Keep the tires free of fuel, oil and chemicals to
prevent damage to the rubber.
• Keep the tires away from stumps, stones, ruts,
sharp objects and other objects which can cause
damage to the tires.
• Keep the tire pressure correct, see
data on page 23 .
To clear a clogged discharge chute
deflector
Do not unclog the discharge chute deflector before
the following operations are made.
1. Release the auger engagement and the drive
engagement at the same time.
2. Wait 10 seconds to make sure that the augers
have stopped.
3. Turn off the product.
Use only original
Use only original
Technical
17