Husqvarna ST 324 Manuel utilisateur

Marque: Husqvarna

Modèle: ST 324

Catégorie: Souffleuses à neige

Taper: Manuel utilisateur

ST 324, ST 327, ST 330

EN Operator's manual 8-25

DE Bedienungsanweisung 26-46

ES Manual de usuario 47-66

FR Manuel d'utilisation 67-86

IT Manuale dell'operatore 87-106

NL Gebruiksaanwĳzing 107-125

1234

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7 8 9 10 11

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17 18 19 20 21

23 24 25 26

27 28 29

30 31 32

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36 37 38

39 40 41

42 43 44

45 46 47

48 49 50

B D C E

69 70

C A

ABC

Contents

Introduction............................................................... 8

Safety........................................................................9

Assembly................................................................ 12

Operation................................................................ 13

Maintenance........................................................... 16

Troubleshooting...................................................... 20

Transportation, storage and disposal......................22

Technical data.........................................................23

Declaration of Conformity....................................... 24

Introduction

Product overview

(Fig. 1)

1. Auger engagement

2. Discharge chute control lever

3. Drive speed control lever

4. Deflector remote control lever

5. Drive engagement

6. Steering triggers

7. LED light

8. Handle knob

9. Muffler

10. Skid plate

11. Augers

12. Clean-out tool

13. Discharge chute

14. Chute deflector

15. Oil drain

16. Starter rope handle

17. Primer

18. ON/OFF key

19. Throttle control

20. Choke

21. Fuel ON/OFF switch

22. Fuel tank cap

23. Electric start button

24. Connection, electric start

25. Oil fill, Dipstick

Product description

The product is a snow thrower that is used to

remove snow from the ground.

Intended use

This product can be used to remove snow from

fields, roads, walkways and driveways. Do not use

it on slopes that are greater than 20°. Do not use the

product in areas where there is much debris, dirt and

protruding stones.

Symbols on the product

Note: If the decals on the product are damaged,

contact the distributor to replace them.

(Fig. 2) Warning.

(Fig. 3) Read the operator's manual.

(Fig. 4) Engine on.

(Fig. 5) Engine off.

(Fig. 6) Fast.

(Fig. 7) Slow.

(Fig. 8) Choke.

(Fig. 9) Primer.

(Fig. 10) Oil.

(Fig. 11) Fuel.

(Fig. 2) Caution.

(Fig. 12) This product is in accordance with

applicable EC directives.

(Fig. 13) This product conforms to applicable UK

regulations.

(Fig. 14) Steer left.

(Fig. 15) Steer right.

(Fig. 16) Auger height adjustment.

(Fig. 17) Blower on.

(Fig. 18) Traction drive on.

(Fig. 19) Do not remove the shields while the

engine is running.

(Fig. 20) Ear protection recommended.

82081 - 001 - 09.02.2023

(Fig. 21) Wear protection gloves.

(Fig. 22) Sound power level.

(Fig. 23) No operation on slopes more than 20

degrees.

(Fig. 24) Risk of falling.

(Fig. 25) Remove key before maintenance.

(Fig. 26) Remove spark plug cable before

maintenance.

(Fig. 27) Beware of thrown objects.

(Fig. 28) Keep distance to bystanders.

(Fig. 29) Move slowly rearward.

(Fig. 30) Hot surface.

(Fig. 31) Fuel shut-off valve.

(Fig. 32) Warning, keep hands

away.

(Fig. 33) Warning, keep feet away.

(Fig. 34) Rotate left/rotate right.

(Fig. 35) Forward/reverse.

(Fig. 36) Up/down.

Product liability

As referred to in the product liability laws, we are not

liable for damages that our product causes if:

• the product is incorrectly repaired.

• the product is repaired with parts that are not

from the manufacturer or not approved by the

manufacturer.

• the product has an accessory that is not

from the manufacturer or not approved by the

manufacturer.

• the product is not repaired at an approved

service center or by an approved authority.

Safety

Safety definitions

The definitions below give the level of severity for

each signal word.

WARNING: Injury to persons.

CAUTION: Damage to the product.

Note: This information makes the product easier

to use.

General safety instructions

• Use the product correctly. Injury or death is a

possible result of incorrect use. Only use the

product for the tasks found in this manual. Do

not use the product for other tasks.

• Obey the instructions in this manual. Obey the

safety symbols and the safety instructions. If the

operator does not obey the instructions and the

symbols, injury, damage or death is a possible

result.

• Do not discard this manual. Use the instructions

to assemble, to operate and to keep your product

in good condition. Use the instructions for correct

installation of attachments and accessories. Only

use approved attachments and accessories.

• Do not use a damaged product. Obey the

maintenance schedule. Only do the maintenance

work that you find an instruction about in this

manual. An approved service center must do all

other maintenance work.

• This manual cannot include all situations that

can occur when you use the product. Be careful

and use your common sense. Do not operate

the product or do maintenance to the product if

you are not sure about of the situation. Speak to

a product expert, your dealer, service agent or

approved service center for information.

• Disconnect the spark plug cable before you

assemble the product, put the product into

storage or do maintenance.

• Do not use the product if it is changed from its

initial specification. Do not change a part of the

product without approval from the manufacturer.

Only use parts that are approved by the

manufacturer. Injury or death is a possible result

of incorrect maintenance.

• Do not breathe in the fumes from the engine.

Long term inhalation of the engine's exhaust

fumes is a health risk.

• Do not start the product indoors or near

flammable material. The exhaust fumes are hot

and can contain a spark which can start a fire.

Not sufficient airflow can cause injury or death

because of asphyxiation or carbon monoxide.

• When you use this product the engine makes an

electromagnetic field. The electromagnetic field

can cause damage to medical implants. Speak to

your physician and medical implant manufacturer

before you operate the product.

2081 - 001 - 09.02.2023 9

• Do not let a child operate the product. Do not let

a person, without knowledge of the instructions

operate the product.

• Make sure that you always monitor a person,

with decreased physical capacity or mental

capacity, that uses the product. A responsible

adult must be there at all times.

• Lock the product in an area that children and

unapproved persons cannot access.

• The product can eject objects and cause injuries.

Obey the safety instructions to decrease the risk

of injury or death.

• Do not go away from the product when the

engine is on.

• The operator of the product is responsible if an

accident occurs.

• Before and while you walk rearward, look behind

and down for small children, animals or other

risks that can cause you to fall.

• Make sure that parts are not damaged before

you use the product.

• Make sure that you are at a minimum 15 m (50

ft) away from other persons or animals before

you use the product. Make sure that a person

in adjacent area knows that you will use the

product.

• Refer to national or local laws. They can prevent

or decrease the operation of the product in some

conditions.

Safety instructions for operation

• Do not put hands or feet near or under rotating

parts. Keep clear of the discharge opening at all

times.

• Exercise extreme caution when operating on or

crossing gravel drives, walks, or roads. Stay alert

for hidden hazards or traffic.

• After striking a foreign object, stop the engine

(motor), remove the wire from the spark

plug, disconnect the cord on electric motors,

thoroughly inspect the product for any damage,

and repair the damage before restarting and

operating the product.

• If the product starts to vibrate abnormally, stop

the engine (motor) and check immediately for the

cause. Vibration is generally a warning of trouble.

• Stop the engine (motor) whenever you leave the

operating position, before unclogging the auger

housing or chute deflector, and when making any

repairs, adjustments or inspections.

• When cleaning, repairing or inspecting the

product, stop the engine and make certain the

augers and all moving parts have stopped.

Disconnect the spark plug wire and keep the wire

away from the plug to prevent someone from

accidentally starting the engine.

• Do not run the engine indoors, except when

starting the engine and for transporting the

product in or out of the building. Open the

outside doors; exhaust fumes are dangerous.

• Exercise extreme caution when operating on

slopes.

• Never operate the product without proper guards,

and other safety protective devices in place and

working.

• Never direct the chute deflector toward people or

areas where property damage can occur. Keep

children and others away.

• Do not overload the product capacity by

attempting to clear snow at too fast a rate.

• Never operate the product at high transport

speeds on slippery surfaces. Look behind and

use care when operating in reverse.

• Disengage power to the augers when the product

is transported or not in use.

• Use only attachments and accessories approved

by the manufacturer of the product (such as

wheel weights, counterweights, or cabs).

• Never operate the product without good visibility

or light. Always be sure of your footing, and keep

a firm hold on the handles. Walk; never run.

• Never touch a hot engine or muffler.

Work area safety

• Thoroughly inspect the area where the

equipment is to be used and remove all

doormats, sleds, boards, wires, and other foreign

objects.

• Disengage all clutches and shift into neutral

before starting the engine (motor).

• Do not operate the product without wearing

adequate winter garments. Avoid loose fitting

clothing that can get caught in moving parts.

Wear footwear that will improve footing on

slippery surfaces.

• Handle fuel with care; it is highly flammable.

• Use an approved fuel container.

• Never add fuel to a running engine or hot

engine.

• Fill fuel tank outdoors with extreme care.

Never fill fuel tank indoors.

• Never fill containers inside a vehicle or on a

truck or trailer bed with a plastic liner. Always

place containers on the ground, away from

your vehicle, before filling.

• When practical, remove gas-powered

equipment from the truck or trailer and refuel

it on the ground. If this is not possible,

then refuel such equipment on a trailer with

a portable container, rather than from a

gasoline dispenser nozzle.

• Keep the nozzle in contact with the rim of the

fuel tank or container opening at all times,

until refueling is complete. Do not use a

nozzle lock-open device.

• Replace gasoline cap securely and wipe up

spilled fuel.

• If fuel is spilled on clothing, change clothing

immediately.

10 2081 - 001 - 09.02.2023

• Use extension cords and receptacles as

specified by the manufacturer for all units with

electric drive motors or electric starting motors.

• Adjust the auger housing height to clear gravel or

crushed rock surface.

• Never attempt to make any adjustments while

the engine (motor) is running (except when

specifically recommended by the manufacturer).

• Always wear safety glasses or eye shields during

operation or while performing an adjustment or

repair to protect eyes from foreign objects that

may be thrown from the machine.

Personal protective equipment

Always use the correct personal protective

equipment when you operate the product.

This includes, at minimum, sturdy footwear,

eye protection and hearing protection. Personal

protective equipment does not erase the risk of injury

but may decrease the grade of injury if an accident

occurs.

• Always wear safety glasses or eye protection

while you operate the product or do maintenance

or repairs.

• Always wear appropriate winter garments when

you operate the product.

• Always use heavy-duty slip-resistant boots with

good ankle support while you operate the

product.

• Do not wear loose fitting clothing that can get

caught in moving parts.

• Use approved protective gloves, if necessary.

For example, when attaching, examining or

cleaning the blade.

• Always use approved ear protection while you

operate the product. Noise for a long period can

cause noise-induced hearing loss.

Safety devices on the product

• Make sure that you regularly do the maintenance

to the product.

• The life of the product increases.

• The risk of accidents decreases.

Let an approved dealer or an approved service

center regularly examine the product to do

adjustments or repairs.

• Do not use a product with damaged protective

equipment. If the product is damaged, speak to

an approved service center.

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: The muffler becomes

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.

Fuel safety

WARNING: Read the warning

instructions that follow before you use

the product.

• Do not start the product if there is fuel or engine

oil on the product. Remove the unwanted fuel/oil

and let the product dry.

• If you spill fuel on your clothing, change clothing

immediately.

• Do not get fuel on your body, it can cause injury.

If you get fuel on your body, use soap and water

to remove the fuel.

• Do not start the product if the engine has a leak.

Examine the engine for leaks regularly.

• Be careful with fuel. Fuel is flammable and the

fumes are explosive and can cause injuries or

death.

• Do not breathe in the fuel fumes, it can cause

injury. Make sure that there is a sufficient airflow.

• Do not smoke near the fuel or the engine.

• Do not put warm objects near the fuel or the

engine.

• Do not add the fuel when the engine is on.

• Make sure that the engine is cool before you

refuel.

• Before you refuel, open the fuel tank cap slowly

and release the pressure carefully.

• Do not add fuel to the engine in an indoor area.

Not sufficient airflow can cause injury or death

because of asphyxiation or carbon monoxide.

• Tighten the fuel tank cap fully. If the fuel tank cap

is not tightened, there is a risk of fire.

• Move the product a minimum of 3 m / 10 ft from

the position where you filled the tank before a

start.

• Do not fill the fuel tank fully. Heat causes the fuel

to expand. Keep a space at the top of the fuel

tank.

Safety instructions for maintenance

WARNING: Read the warning

instructions that follow before you use

the product.

• The exhaust fumes from the engine contain

carbon monoxide, an odorless, poisonous and

very dangerous gas. Do not start the engine

indoors or in closed spaces.

2081 - 001 - 09.02.2023 11

• Before you do the maintenance on the product,

stop the engine and remove the ignition cable

from the spark plug.

• Use protective gloves when you do maintenance

on the blades. The blades are very sharp and

cuts can easily occur.

• Accessories and changes to the product that

are not approved by the manufacturer, can

cause serious injury or death. Do not change

the product. Always use accessories that are

approved by the manufacturer.

• If the maintenance is not done correctly and

regularly, the risk of injury and damage to the

product increases.

• Only do the maintenance as given in this

operator's manual. All other servicing must be

done by an approved service agent.

• Let an approved service agent do servicing on

the product regularly.

• Replace damaged, worn or broken parts.

Assembly

To remove the product from the

carton

1. Remove loose parts included with the product.

Cut the four corners of the carton and put the

end panels down flat.

2. Remove the two screws that attach the auger

housing to the pallet. Remove the steel brackets

from the skid plates if they have it.

3. Remove all package materials.

4. Remove the product from the carton and make

sure no loose parts are left in the carton.

Loose parts

(Fig. 37) Knob (3) (Fig. 38) Discharge chute (1)

(Fig. 39) ON/OFF key (s) (Fig. 40) Carriage bolts 5/16-18 x 2 ¼” (2)

(Fig. 41) Handle knobs (2) (Fig. 42) Locknut 3/8 (1)

(Fig. 43) Shear pins ¼-20 x 1-¾ (6) (Fig. 44) Locknuts ¼-20 (6)

(Fig. 45) Locknut 5/16-18 (1) (Fig. 46) Locknut ¼-20 (1)

(Fig. 47) Nylon washer (1) (Fig. 48) Carriage bolt 5/16-18 x 5/8 (1)

(Fig. 49) Spring (1) (Fig. 50) Shoulder bolt ¼-20 (1)

To install the handle

1. Raise the upper handle to the operating position.

(Fig. 51)

2. Adjust the handle position to one of the mounting

holes (B) and tighten the handle knobs (C) with

the carriage bolts (D). (Fig. 52)

3. Install more carriage bolts (D) and handle knobs

handle (E). (Fig. 53)

To install the chute deflector and

chute rotator head

1. Put the chute deflector assembly on the top of

the chute base with the discharge opening in the

direction of the front of the product.

2. Put the chute rotator head (A) on the chute

bracket (B). Rotate the chute assembly to align

the pins under the chute rotator head with the

holes in the chute bracket if it is necessary.

3. Put the chute rotator head on the pin (C) and the

threaded stud (D) on the mounting bracket (E).

4. Attach a locknut (G) on the threaded stud and

tighten. (Fig. 54)

5. Put the cables through the double clip (I) to

attach the rotator cables (H) to the lower handle.

(Fig. 55)

To install the chute deflector remote

control

1. Attach the remote cable bracket (A) to the

discharge chute with a carriage bolt (B) and a

5/16-18 locknut (D). Tighten the bolt.

2. Install the remote cable eyelet (E) to the chute

deflector (F) with a shoulder bolt (G), a nylon

washer (C), and tighten with a ¼-20 locknut (K).

The cable eyelet will be loose on the shoulder

bolt.

3. Attach the spring (L) between the hex nut (M) on

the chute rotator head and the hole on the chute

deflector. (Fig. 56)

4. Attach the lever control knobs (N) by pressing

them down on the control levers (O). (Fig. 57)

12 2081 - 001 - 09.02.2023

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

Technical

data on page 23

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 8

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

Do not use gasoline with an octane number less

than 90 RON (86 AKI.) These engines operate best

on unleaded gasoline.

CAUTION:

• Do NOT use expired gasoline,

gasoline with contamination or an oil/

gasoline mixture.

• Do not get dirt or water in the fuel

tank.

• Only use correct fuel containers and

make marks to easier identify them.

• Do NOT use E85 mix fuels.

These engines are not E20/E30/E85

compatible.

• The ethanol contents must be

maximum 10%.

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 adjust the discharge chute and

the chute deflector

1. To adjust the discharge chute position, move the

discharge chute control lever (A) back and to the

left or right direction.

2. To adjust the snow throwing distance of the

chute deflector, move the deflector remote

control lever (B) down to decrease the distance

and up to increase the distance. (Fig. 58)

To start the engine, manual start

1. Insert the ON/OFF key (A) into the ignition slot

until it clicks. Do not turn the key. (Fig. 59)

2. Slide the fuel control lever (B) to the ON position.

3. Put the throttle control (C) to the FAST position.

a) If the engine is cold, slide the choke lever (D)

to the FULL position and push the primer (E)

three times.

CAUTION: Do not over

prime the engine. It can prevent

the engine from starting. If the

engine is over primed, wait a few

minutes before attempting to start

and do not push the primer.

4. Pull the starter rope handle (F).

CAUTION: Do not release the

handle quickly. Move it back to the

start position slowly.

Note: If the rope starter has frozen, slowly pull

out as much rope out of the starter as possible

and release the starter rope handle. If the engine

does not start, repeat the procedure or use the

electric starter.

5. If the choke was used to start the engine, slowly

move the choke (D) to the OFF position.

6. Run the engine 2-3 minutes at idling speed

before you start to throw snow.

7. If the engine does not run as it should, turn it off.

To start the engine, electric start

WARNING: The product has a 230

V A.C. electric starter. Do not use the

electric starter if your house is not a

230 V A.C. three-wire grounded system.

Serious personal injury or damage to

the product could occur. The electric

starter has a three-wire power plug, and

is designed to use 230 V A.C. household

current. Make sure that your house is a

2081 - 001 - 09.02.2023 13

230 V A.C. three-wire grounded system.

If you are uncertain, ask a licensed

electrician.

1. Insert the ON/OFF key (A) into the ignition slot

until it clicks. Do not turn the key. (Fig. 60)

2. Slide the control lever (B) to the ON position.

3. Put the throttle control (C) to the FAST position.

a) If the engine is cold, slide the choke lever (D)

to the FULL position.

4. Push the primer (E) three times.

CAUTION: Do not over prime

the engine. It can prevent the engine

from starting. If the engine is over

primed, wait a few minutes before

trying to start and do not push the

primer.

5. Connect the extension cord to the connector on

the engine (F).

6. Connect the other end of the extension cord into

a three-hole grounded 230 V A.C. receptacle.

7. Push the electric start button (G) until the engine

starts.

CAUTION: Do not crank the

engine more than five continuous

seconds between each time you try

to start. Wait 1 minutes between

each try.

8. If the choke was used to start the engine, release

the electric start button and slowly move the

choke (D) to the OFF position.

9. Disconnect the extension cord from the

receptacle first and then from the engine.

10. Run the engine 2-3 minutes at idling speed

before you start to throw snow.

To start the engine, electric start

WARNING: The product has a 120

V A.C. electric starter. Do not use the

electric starter if your house is not a

120 V A.C. three-wire grounded system.

Serious personal injury or damage to

the product could occur. The electric

starter has a three-wire power plug, and

is designed to use 120 V A.C. household

current. Make sure that your house is a

120 V A.C. three-wire grounded system.

If you are uncertain, ask a licensed

electrician.

1. Insert the ON/OFF key (A) into the ignition slot

until it clicks. Do not turn the key. (Fig. 60)

2. Turn the fuel ON/OFF switch (B) to the ON

position.

3. Put the throttle control (C) to the FAST position.

a) If the engine is cold, turn the choke (D) to the

FULL position.

4. Push the primer (E) three times.

CAUTION: Do not over prime

the engine. It can prevent the engine

from starting. If the engine is over

primed, wait a few minutes before

trying to start and do not push the

primer.

5. Connect the extension cord to the connector on

the engine (F).

6. Connect the other end of the extension cord into

a three-hole grounded 120 V A.C. receptacle.

7. Push the electric start button (G) until the engine

starts.

CAUTION: Do not crank the

engine more than five continuous

seconds between each time you try

to start. Wait 1 minute between each

try.

8. If the choke was used to start the engine, release

the electric start button and slowly move the

choke (D) to the OFF position.

9. Disconnect the extension cord from the

receptacle first and then from the engine.

10. Run the engine 2-3 minutes at idling speed

before you start to throw snow.

To operate the product

CAUTION: Do not operate without

snow or water to lubricate the auger

blades. Incorrect use can cause high

temperatures in the auger blades,

especially if the product is new. This can

cause damage to the auger blades and

scraper bar.

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.

Note: Do not change the speed when the drive

lever is engaged. This can cause damage to the

transmission.

1. To engage the auger blades, push the auger

engagement (A) to the handle to engage the

auger and throw snow. (Fig. 61)

14 2081 - 001 - 09.02.2023

2. Raise the drive speed control lever (B) from

the middle position to make the product move

forward when the drive engagement (C) is

engaged. Do not change the speed when the

drive lever is engaged. This can cause damage

to the transmission.

3. Lower the drive speed control lever from

the middle position to make the product

move rearward when the drive engagement is

engaged. (Fig. 62)

4. To make the product move in the selected

direction, hold the drive engagement (C) 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. 63)

To stop the product

1. Move the throttle control (A) to the STOP

position. (Fig. 64)

2. Remove the ON/OFF key.

To use the throttle control

• Slide the throttle control (A) to change the

amount of fuel used. Always operate the engine

at full throttle. (Fig. 64)

To use the fuel switch

• Slide the fuel switch (A) to open or close the fuel

valve. Operate the product with the fuel switch in

the OPEN position. (Fig. 65)

To use the choke control

• Slide the choke (A) to open or close the choke

valve. Use the choke to start a cold engine. (Fig.

66)

To adjust the skid plates

The skid plates prevent damage to the bottom of the

snow thrower. Adjust the skid plates (A) when the

locknut (B) is loose, or the skid plate is not at the

correct distance from the ground. No adjustment is

necessary for standard installation.

1. Loosen the locknut (B) with a 13 mm (½ in.) open

wrench.

2. Move the skid plates (A) up or down.

a) On flat surfaces set the distance between

the scraper bar and the ground to 5-6 mm

(0.2-0.25 in).

b) On rough surfaces set the skid plates (A) in

a position where the scraper bar is above the

top of the ground.

WARNING: Make sure that

gravel and stones do not go into

the product. Objects that eject at

high speed can cause injury.

3. Tighten the locknut (B). (Fig. 67)

To use the drift cutters (if equipped)

Use the drift cutters to cut through snowdrifts deeper

than the front of the product.

1. Loosen the adjustment nuts (A) on both sides of

the product to allow each drift cutter (B) to be

raised to its highest position. (Fig. 68)

2. Tighten the nuts.

3. Lower the drift cutters after use.

To prevent freeze-up after use

Note: Controls and moving parts can be blocked

by ice. Do not apply much force to the controls. If

you cannot operate a control or a part, start the

engine and let it operate for some minutes.

1. Start the engine and let it operate for some

minutes. Stop the engine and wait for all moving

parts to stop.

2. Remove snow and loose ice from the product.

3. Remove snow and loose ice from the base of the

chute.

4. Turn the chute deflector to the left direction and

to the right direction to remove ice and water.

5. Set the key to the "OFF" position.

6. If the product does not have an electric starter,

pull the starter rope handle several times to

remove ice and water.

7. If the product has an electric starter, connect the

product to power and push the start button once

to remove ice and water.

To get a good result

• Always run the engine at full throttle or near full

throttle.

• Always adapt the speed of the product to the

snow situation and adjust the speed with the

drive speed control lever. Make sure that the

product throws snow evenly.

• It is easier and more efficient to remove snow

immediately after it falls.

• Always throw snow downwind whenever

possible.

• On flat surfaces, like asphalt roads, raise the skid

plates up to 5-6 mm (0.2-0.25 in) off the ground.

• The scraper bar is reversible. When it becomes

worn almost to the edge of the housing, reverse

it. Replace the scraper bar if it is damaged, or if

both sides are worn.

• Do not dispatch the chute deflector if it is

clogged.

• If the product does not move forward due to

unforeseen circumstances, release the drive

engagement immediately or move the ON/OFF

key to the "OFF" position.

2081 - 001 - 09.02.2023 15

Maintenance

Introduction

When the product is in use, bolts can loosen

and components can become worn. This can

cause malfunction like incorrect tolerance clearance,

increased oil consumption, or misalignment of

various components. Do regular maintenance on the

product to prevent malfunction.

Maintenance schedule

Maintenance Daily 20 hours 50 hours 100 hours

Make sure that nuts

and screws are

tightened

Do a check of the

engine oil level X

Replace oil 1X X X

Make sure there are

no fuel or oil leaks X

Remove clogging,

foreign objects in

auger

Inspect the tire

pressure 2X

Inspect and change

the spark plug 3X

Note: It is not necessary to add grease or to do

other maintenance to the gearbox.

To do a general inspection

• Make sure that all nuts and screws on the

product are tightened correctly.

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

To fill the engine with

oil on page 13

1Replace the oil after the first 20 h, 50 h, 100 h and then every 100 h.

2See Technical data for correct tire pressure.

3Check and clean spark plug before use each year.

16 2081 - 001 - 09.02.2023

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. 69)

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: The muffler becomes

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: Always use the

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. 70)

• 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.

CAUTION: Use only original

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. 71)

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: Use only original

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. 72)

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

Technical

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.

2081 - 001 - 09.02.2023 17

4. Use the tool for cleaning (at least 37 cm (15 in.)

long, included in some models) to remove the

clog.

WARNING: Do not put your

hands into the discharge chute

deflector or inside the auger bucket.

To replace the scraper bar

1. Put the scraper bar (A) in a reversed position

when it is worn to the edge of the housing. (Fig.

73)

2. Replace the scraper bar if it is worn on both

sides or if it is damaged.

Drive belts

WARNING: The v-belts on your

product are of special construction

and should be replaced by original

equipment manufacturer (OEM) belts

available from your nearest service

center. Using other than OEM belts can

cause personal injury or damage to the

product.

WARNING: The belt replacement

requires separation of the product. While

separating the auger housing from the

frame, it is important that an assistant

stands in the operating position and

holds the product handles. Serious

personal injury and/or damage to the

product could occur if the product falls

during the belt replacement process.

Note: The auger and traction drive belts are not

adjustable. Replace the belts if they are damaged or

begin to slip from wear. It is recommended to have

the belts replaced by a qualified service center.

Note: It is recommended to replace the drive belt

and auger belt at the same time.

To prepare for replacement of the belts

1. Remove the fuel from the fuel tank.

2. Loosen the lock nut (A) that secures the chute

rotator head (B) to the mounting bracket (C) to

remove the discharge chute. (Fig. 74)

3. Loosen the two screws (A) that secure the belt

cover (B) to the frame (C) and remove the belt

cover. (Fig. 75)

To remove the drive belt

1. Remove the auger belt. See

To remove the

auger belt on page 18

2. Remove the tensioner spring (A) attached to the

drive belt tensioner arm (B). (Fig. 76)

3. Remove the return spring (C) holding the swing

plate (D) in place.

4. Remove the arm bolt (E) and drive belt tensioner

arm.

5. Remove the pulley bolt (F), engine pulley (G) and

drive belt (H) from the engine.

6. Remove the top bolt (I) holding the swing plate to

the frame

7. Pivot and hold the swing plate away from the

product and remove the drive belt from the drive

pulley (J).

To install the drive belt

1. Pivot and hold the swing plate (D) away from the

product. (Fig. 76)

2. Put the drive belt (H) onto the drive pulley (J).

Note: Make sure that the drive belt is routed in

the drive pulley groove properly before you lower

the swing plate.

3. Install and tighten the top bolt (I).

4. Put the drive belt in the grove of the engine

pulley (G) before installing on the engine shaft.

5. Install the pulley bolt (F) and attach the engine

pulley on the engine. Tighten the pulley bolt

(30-35 Ft. Lbs. / 41-47 Nm).

6. Install the drive belt tensioner arm (B) and tighten

the arm bolt (E) on the engine.

7. Install the return spring (C) on the swing plate.

8. Install the tensioner spring (A) on the tensioner

arm.

9. Operate all controls to make sure that the drive

belt is installed correctly and that all components

are moving correctly.

To install the belt cover

1. Install the belt cover (B) on the frame (C) and

tighten the two screws (A). (Fig. 75)

2. Install the discharge chute.

To remove the auger belt

1. Remove the 5/16'' nut and the cable cover (E)

from the frame. (Fig. 77)

2. Remove the top 5/16'' bolts and lower ¼'' bolts

(D) from the 2 sides of the frame. Do not discard

the bolts.

3. Loosen but do not remove the lower 5/16'' bolts

4. Remove the auger belt (B) from the engine pulley

(A).

5. Tilt the rear section down. The front section will

tilt forward at the same time. The bottom bolt is a

hinge between the front and rear sections.

18 2081 - 001 - 09.02.2023

6. Put a wooden block below the hinge point to set

the product in the tilted position.

7. Move the auger brake arm and remove the auger

belt (B) from around the arm.

To install the auger belt

1. Move the auger brake arm (G) and put the auger

belt around and in the groove of the auger pulley

(E). (Fig. 78)

CAUTION: Make sure that the

belt is not caught between the frame

and auger housing as you put the

unit together.

2. Remove the wooden block from below the

product.

3. Lift the handles to tilt the rear section up. The

front section will tilt back and pivot to attach the

rear section.

4. Make sure that the belt is put in the auger pulley

(E) groove correctly.

5. Install the 5/16'' bolts (C), and tighten (11-16

Nm).

6. Install the ¼'' bolts (D) and tighten (5-8 Nm).

7. Install the auger belt (B) on the engine pulley (A).

Make sure that the belt is put correctly around

the idler pulley and installed correctly in the

engine pulley groove.

8. Install the cable cover (F) and the 5/16" nut on

the frame.

9. Operate all controls to make sure that the auger

belt is installed correctly and that all components

are moving correctly.

To adjust the tension of the cable for

the discharge chute deflector

1. Loosen the jam nuts (B) to adjust the tension of

the cable for the discharge chute adjacent to the

adjuster turnbuckle (A). (Fig. 79)

2. Hold the short section and turn the long section

to increase the adjuster.

3. Adjust until the cable for the discharge chute

deflector (C) has a tight fit. Tighten the jam nuts.

To adjust the auger control cable

1. Remove the cable cover on the right hand side of

the frame (D). (Fig. 80)

2. To remove slack from the auger control cable,

unscrew the bottom jam nut (B) and tighten the

top jam nut (B) until the auger belt tension has

increased.

3. Retest the auger engagement. Repeat

adjustment as needed until only a small amount

of slack remains in the cable when the lever is

disengaged.

4. Tighten the bottom jam nut to lock in the tension.

Note: You may also tension the auger belt by

adjusting the idler pulley as a secondary option.

If the adjustment does not resolve the problem,

replace the auger belt. See

To remove the auger

belt on page 18

To adjust the belt tension

1. Remove the belt cover. See

To prepare for

replacement of the belts on page 18

2. Loosen the idler pulley nut (A). (Fig. 81)

3. Slide the idler pulley closer to the belt to increase

the belt tension. Slide it away from the belt to

decrease the belt tension.

4. Tighten the idler pulley nut (A).

5. To make sure that the belt is declutched fully

when the auger lever is disengaged, have an

assistant stand 10 feet / 3 meters in front of the

product, on the opposite side of the chute. The

assistant observes the rotation of the auger, and

measures the time it takes for the auger to stop

rotating when the lever is released. If the auger

stops rotating after more than 5 seconds, repeat

the adjustment and slide the idler pulley further

from the belt.

6. When the auger stops rotating after less than 5

seconds, install the belt cover. See

To install the

belt cover on page 18

To remove the wheels

1. Remove the wheel pin (A) and the retainer pin

(B).

2. Remove the wheel from the axle (C). (Fig. 82)

To clean the product

• Clean plastic parts with a clean and dry cloth.

• Do not use a high pressure washer to clean the

product.

• Do not flush water directly on the motor.

• Use a brush to remove leaves, grass and dirt.

2081 - 001 - 09.02.2023 19

Troubleshooting

Problem Possible cause Solution

The product does not

start

The safety ignition key is not inserted. Insert the safety ignition key.

The product is out of fuel. Fill the fuel tank with fresh, clean

gasoline.

The ON/OFF key is OFF. Move the ON/OFF key to ON posi-

tion.

The choke is in OFF (CLOSE) position. Move the choke to ON (FULL,

OPEN) position.

The primer is not depressed. Press the primer.

The engine is flooded. Wait a few minutes before restart-

ing, DO NOT prime.

Restart the engine while full throt-

tle and the choke in OFF (CLOSE)

position.

The spark plug cable is not connected. Connect the cable to the spark

plug.

The spark plug is bad. Replace the spark plug.

There is water in the fuel or the fuel is too

old.

Empty the fuel tank and carburet-

or. Fill the fuel tank with fresh,

clean gasoline.

There is vapor locked in the fuel line. Make sure that all the fuel line is

below the outlet of the fuel tank.

The fuel line should run continu-

ously down from fuel tank to car-

buretor.

Other causes. Inspect the starting procedures

carefully in this manual.

The fuel switch (if equipped) is in CLOSE

(OFF) position.

Turn the fuel switch to OPEN (ON)

position.

The throttle is in STOP position. Move the throttle to FAST position.

20 2081 - 001 - 09.02.2023

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Husqvarna ST 324 Manuel utilisateur

Marque: Husqvarna

Modèle: ST 324

Catégorie: Souffleuses à neige

Taper: Manuel utilisateur

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