HUSQVARNA 329L - Brush cutter

329L - Brush cutter HUSQVARNA - Free user manual and instructions

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USER MANUAL 329L HUSQVARNA

EN-US Operator's manual 2-18

Transportation, storage and disposal. 17

Assembly. 8

Technical data. 18

Operation 9

Accessories 18

Maintenance. 14

Introduction

Product description

The product is a grass trimmer with a combustion engine.

Work is constantly in progress to increase your safety and efficiency during operation. Speak to your servicing dealer for more information.

Intended use

The product is used with a trimmer head to cut grass. Do not use the product for other tasks than grass trimming and grass clearing.

Note National regulations can set limit to the operation of the product.

Product overview

HUSQVARNA 329L - Product overview - 1

  1. Trimmer head
  2. Grease filler cap
  3. Bevel gear
  4. Cutting attachment guard
  5. Shaft
  6. Loop handle
  7. Throttle trigger
  8. Stop switch
  9. Throttle trigger lockout
  10. Spark plug cap, spark plug
  11. Starter housing

  12. Starter rope handle

  13. Fuel tank
  14. Air filter cover
  15. Air purge bulb
  16. Choke control
  17. Drive disc
  18. Operator's manual

Symbols on the product

HUSQVARNA 329L - Symbols on the product - 1

WARNING! This product is dangerous. Injury or death can occur to the operator or bystanders if the product is not used carefully and correctly. To prevent injury to the operator or bystanders, read and obey all safety instructions in the operator's manual.

HUSQVARNA 329L - Symbols on the product - 2

Please read the operator's manual carefully and make sure that you understand the instructions before use.

HUSQVARNA 329L - Symbols on the product - 3

Use approved hearing protection. Use approved eye protection.

HUSQVARNA 329L - Symbols on the product - 4

Make sure that long hair is put up above your shoulders.

HUSQVARNA 329L - Symbols on the product - 5

The product can cause objects to eject, which can cause injury.

HUSQVARNA 329L - Symbols on the product - 6

Maximum speed of the output shaft.

HUSQVARNA 329L - Symbols on the product - 7

Keep a minimum of 15m / 50 ft distance to persons and animals during operation of the product.

HUSQVARNA 329L - Symbols on the product - 8

Use only flexible trimmer line

HUSQVARNA 329L - Symbols on the product - 9

Do not use metal cutting elements

HUSQVARNA 329L - Symbols on the product - 10

The arrows show the limits for the position of the handle.

HUSQVARNA 329L - Symbols on the product - 11

Air purge bulb.

HUSQVARNA 329L - Symbols on the product - 12

Choke.

HUSQVARNA 329L - Symbols on the product - 13

Refuelling.

The rating plate shows the serial number. yyyy is the production year, ww is the production week and xxxx is the sequential number.

yyyywwxxxxx

Note Other symbols/decals on the product refer to certification requirements for other commercial areas.

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.

EPA III

EMISSION CONTROL INFORMATION

Husqvama HUSQVARNA AB HUSKVARNA SWEDEN

THIS ENGINE MEETS US EPA AND CALIFORNIA EX/EMP REGS FOR SORE, REFER TO OPERATOR'S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. EMISSIONS COMPLIANCE PERIOD: HRS

The Emissions Compliance Period referred to on the Emission Compliance label indicates the number of operating hours for which the engine has been shown to meet Federal emissions requirement. Maintenance, replacement or repair of the emission control devices and system may be performed by any nonroad engine repair establishment or individual.

HUSQVARNA 329L - THIS ENGINE MEETS US EPA AND CALIFORNIA EX/EMP REGS FOR SORE, REFER TO OPERATOR'S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. EMISSIONS COMPLIANCE PERIOD: HRS - 1

WARNING

The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

Safety

Vibration safety

This product is for occasional operation only. Continuous or regular operation of the product can cause "white finger" or equivalent medical problems from vibrations. Examine the condition of your hands and fingers if you operate the product continuously or regularly. If your hands or fingers have discoloration, have pain, tingle, or are numb, stop work and speak to a physician immediately.

Safety definitions

The definitions below give the level of severity for each signal word.

HUSQVARNA 329L - Safety definitions - 1

DANGER Indicates a hazardous situation that, if not avoided, will result in death or serious injury.

HUSQVARNA 329L - Safety definitions - 2

WARNING Indicates a hazardous situation that, if not avoided, could result in death or serious injury.

HUSQVARNA 329L - Safety definitions - 3

CAUTION Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury, equipment damage, or property damage.

Note This information makes the product easier to use.

General safety instructions

HUSQVARNA 329L - General safety instructions - 1

WARNING Read the warning instructions that follow before you use the product.

  • 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 on 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 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.

  • 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.
  • Make sure that parts are not damaged before you use the product.
  • Make sure that you are at minimum 15 m (50 ft) away from other persons or animals before you use the product. Make sure that persons in the adjacent area know 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.
  • Do not use the product if you are fatigued or influenced by alcohol, drugs or medicine. They can have effects on your vision, alertness, coordination or judgment.

Safety instructions for assembly

HUSQVARNA 329L - Safety instructions for assembly - 1

WARNING Read the warning instructions that follow before you use the product.

  • Remove the spark plug cap from the spark plug before you assemble the product.
  • Use approved protective gloves.
  • Make sure that you assemble the cover and shaft correctly before you start the engine.

Safety instructions for operation

  • Make sure the product is fully assembled before you use it.
  • Before a start, move the product 3m (10 ft) away from the position where you filled the fuel tank. Put the product on a flat surface. Make sure that the cutting attachment does not touch the ground or other objects.
  • The product can cause objects to eject, which can cause damage to the eyes. Always use an approved eye protection when you operate the product.
  • Be careful, a child can come near the product without your knowledge during operation.

  • Do not operate the product if there are persons in the work area. Stop the product if a person goes into the work area.
    Make sure that you are always in control of the product.

  • Do not use the product if you cannot receive aid if an accident occurs. Always make sure others know you will operate the product before you start to operate the product.
  • Do not turn with the product before you make sure that no persons or animals are in the safety area.
  • Remove all unwanted materials from the work area before you start. If the cutting attachment hits an object, the object can eject and cause injury or damage. Unwanted material can wind around the cutting attachment and cause damage.
  • Do not use the product in bad weather (fog, rain, strong winds, risk of lightning or other weather conditions.). Dangerous conditions (such as slippery surfaces) can occur because of bad weather.
  • Make sure that you can move freely and work in a stable position.

HUSQVARNA 329L - Safety instructions for operation - 1

  • Make sure that you cannot fall when you use the product. Do not tilt when you operate the product.
  • Always hold the product with your two hands. Hold the product on the right side of your body.

HUSQVARNA 329L - Safety instructions for operation - 2

  • Operate the product with the cutting attachment below your waist.
  • If the choke control is in the choke position when the engine starts, the cutting attachment starts to turn.
  • Do not touch the bevel gear after the engine stops. The bevel gear is hot after the engine stops. Hot areas can cause injury.
  • Stop the engine before you move the product.
  • Do not put down the product with the engine on.

  • Before you remove the unwanted materials from the product, stop the engine and wait until the cutting attachment stops. Let the cutting attachment stop before you or an aid remove the cut material.

Personal protective equipment

HUSQVARNA 329L - Personal protective equipment - 1

WARNING Read the warning instructions that follow before you use the product.

  • Always use correct personal protective equipment when you operate the product. The personal protective equipment does not erase the risk of injury. The personal protective equipment decreases the grade of injury if an accident occurs.
    Always use an approved eye protection while you operate the product.
  • Do not operate the product with bare feet or with open shoes. Always use heavy-duty slip-resistant boots.
  • Use heavy, long pants.
  • If it is necessary, use approved protective gloves.
  • Use a helmet if it is possible that objects fall on your head.
    Always use approved ear protection while you operate the product. Noise for a long period can cause noise-induced hearing loss.
  • Make sure that you have a first aid kit near.

Safety devices on the product

HUSQVARNA 329L - Safety devices on the product - 1

WARNING Read the warning instructions that follow before you use the product.

  • Do not use a product with defective safety devices.
  • Do a check of the safety devices regularly. Refer to Product overview on page 2.
  • If the safety devices are defective, speak to your Husqvarna servicing dealer.

Throttle trigger lockout

The throttle trigger lockout locks the throttle trigger.

HUSQVARNA 329L - Throttle trigger lockout - 1

Push the throttle trigger lockout (A) to release the throttle trigger (B). When you release the handle, the

throttle trigger lockout and the throttle trigger go back to their initial positions.

  1. Make sure that the throttle trigger (B) is locked at idle when you release the throttle trigger lockout (A).
  2. Push the throttle trigger lockout (A) and make sure that it goes back to its initial position when you release it.
  3. Push the throttle trigger (B) and make sure that it goes back to its initial position when you release it.

Start the engine, and then apply full throttle. Release the throttle trigger and examine if the cutting attachment stops. If the cutting attachment turns with the throttle in the idle position, examine the idle adjustment screw of the carburetor.

Stop switch

Start the engine. Make sure that the engine stops when you move the stop switch to the stop position.

HUSQVARNA 329L - Stop switch - 1

Cutting attachment guard

The cutting attachment guard prevents a loose object to eject in the direction of the operator.

HUSQVARNA 329L - Cutting attachment guard - 1

Examine the cutting attachment guard for damage and replace if it is damaged. Only use the approved guard for the cutting attachment.

Muffler

  • Do not use an engine with a damaged muffler. A damaged muffler increases the noise level and the risk of fire. Keep a fire extinguisher near.
  • Examine regularly that the muffler is attached to the product.
  • Do not touch the engine or the muffler when then engine is on. Do not touch the engine or the muffler for a while after the engine stops. Hot surfaces can cause injuries.
  • A hot muffler can cause a fire. Be careful, if you use the product near flammable liquids or fumes.
  • Do not touch the parts in the muffler, if the muffler is damaged. The parts can contain some carcinogenic chemicals.

Cutting attachment

HUSQVARNA 329L - Cutting attachment - 1

WARNING Read the warning instructions that follow before you use the product.

  • Do the regular maintenance. Let an approved service center regularly examine the cutting attachment to do adjustments or repairs.

  • The performance of the cutting attachment increases.

  • The life of the cutting attachment increases.
  • The risk of accidents decreases.

  • Only use an approved cutting attachment guard. Refer to Accessories on page 18.

  • Do not use a damaged cutting attachment.

Fuel safety

HUSQVARNA 329L - Fuel safety - 1

WARNING Read the warning instructions that follow before you use the product.

  • Do not mix the fuel indoor or near a heat source.
  • 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. Remove unwanted fuel from the product.
  • 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 a soap and water to remove the fuel.
  • Do not start the engine if you spill oil or fuel on the product or on your body.

  • 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 carefully or a fire can occur.
  • Move the product at a minimum of 3m (10 ft) from the position where you filled the tank before a start.
  • Do not put too much fuel in the fuel tank.
  • Make sure that a leak cannot occur when you move the product or fuel container.
  • Do not put the product or a fuel container where there is an open flame, spark or pilot light. Make sure that the storage area does not contain an open flame.
  • Only use approved containers when you move the fuel or put the fuel into storage.
  • Empty the fuel tank before long-term storage. Obey the local law on where to dispose fuel.
  • Clean the product before long-term storage.
  • Remove the spark plug cap before you put the product into storage to make sure that the engine does not start accidentally.

Safety instructions for maintenance

HUSQVARNA 329L - Safety instructions for maintenance - 1

WARNING Read the warning instructions that follow before you do maintenance on the product.

  • Do only the maintenance and servicing given in this operator's manual. Let professional servicing personnel do all other servicing and repairs.
  • Regularly do the safety checks, maintenance and service instructions given in this manual. Regular maintenance increases the life of the product and decreases the risk of accidents. Refer to Maintenance schedule on page 14 for instructions.
  • If the safety checks in this operator's manual is not approved after you do maintenance, speak to your servicing dealer. We guarantee that there are professional repairs and servicing available for your product.

Assembly

Introduction

HUSQVARNA 329L - Introduction - 1

WARNING Before you assemble the product, you must read and understand the safety chapter.

HUSQVARNA 329L - Introduction - 2

WARNING Remove the spark plug cable from the spark plug before you assemble the product.

To install the loop handle

  1. Put the loop handle between the arrows on the shaft.
  2. Tighten the bolt to attach the loop handle to the shaft.

HUSQVARNA 329L - To install the loop handle - 1

To assemble the cutting attachment

To assemble the cutting attachment guard

  • Put the cutting attachment guard (A) onto the fitting on the shaft and attach it with the bolt (L).

HUSQVARNA 329L - To assemble the cutting attachment guard - 1

To attach the trimmer head

  1. Make sure that the cutting attachment guard (A) is attached to the product. Refer to To assemble the cutting attachment guard on page 8.

HUSQVARNA 329L - To attach the trimmer head - 1

  1. Make sure that the drive disc (C) is attached to the output shaft (D).
  2. Put a screwdriver (B) in the hole to lock the shaft.
  3. Put the trimmer head (E) on the output shaft.
  4. Turn the trimmer head (E) counterclockwise to tighten it to the output shaft.

HUSQVARNA 329L - To attach the trimmer head - 2

  1. Remove the screwdriver.

Operation

Introduction

HUSQVARNA 329L - Introduction - 1

WARNING Before you operate the product, you must read and understand the safety chapter.

Fuel

This product has a two-stroke engine.

HUSQVARNA 329L - Fuel - 1

CAUTION Incorrect type of fuel can result in engine damage. Use a mixture of gasoline and two-stroke oil.

Premixed fuel

  • Use Husqvarna premixed alkylate fuel of a good quality, for best performance and extension of the engine life. This fuel contains less harmful chemicals compared to regular fuel, which decreases harmful exhaust fumes. The quantity of remains after combustion is lower with this fuel, which keeps the components of the engine more clean.

To mix fuel

Gasoline

HUSQVARNA 329L - Gasoline - 1

CAUTION Do not use gasoline with an octane number less than 90 RON (87 AKI). This can cause damage to the product.

HUSQVARNA 329L - Gasoline - 2

CAUTION Do not use gasoline with more than 10% ethanol concentration (E10). This can cause damage to the product.

  • Always use new unleaded gasoline with a minimum octane number of 90 RON (87 AKI) and with less than 10% ethanol concentration (E10).
  • Use gasoline with a higher octane number if you frequently use the product at continuously high engine speed.

Two-cycle engine oil

  • Use only high quality two-cycle engine oil. Use only an air cooled engine oil.
  • Do not use other types of oil.
  • Mixture ratio 50:1 (2%)
GasolineOil
1 U.S. Gal. 77 ml (2,6 oz)
1 UK Gal. 95 ml (3,2 oz)
5 I 100 ml (3,4 oz)

To make the fuel mixture

Note Always use a clean fuel container when you mix the fuel.

Note Do not make more than 30 days quantity of fuel mixture.

  1. Add half of the gasoline quantity.
  2. Add the full quantity of oil.
  3. Shake the fuel mixture to mix the contents.
  4. Add the remaining gasoline quantity.
  5. Shake the fuel mixture to mix the contents.
  6. Fill the fuel tank.

To add fuel

  • Always use a fuel container with an antispill valve.
  • If there is some fuel on the container, remove the unwanted fuel and let the container dry.
  • Make sure that the area near the fuel tank cap is clean.
  • Shake the fuel container before you add the fuel mixture to the fuel tank.

To do a run-in

  • During the first 10 hours of operation, do not apply full throttle without load for extended periods.

To start and stop

To examine before start

  1. Make sure that the product has no missing, damaged, loose or worn parts.
  2. Make sure that nuts, screws and bolts are tightened.
  3. Make sure that the trimmer head is not damaged.
  4. Make sure that the air filter is not clogged.
  5. Make sure that the safety devices on the product are not defective.
  6. Make sure that the product has no fuel leaks.

To start a cold engine

  1. Push the air purge bulb 10 times.

HUSQVARNA 329L - To start a cold engine - 1

  1. Pull the choke control up.

HUSQVARNA 329L - To start a cold engine - 2

  1. Hold the body of the product on the ground with your left hand.

HUSQVARNA 329L - To start a cold engine - 3

HUSQVARNA 329L - To start a cold engine - 4

CAUTION Do not step on the product.

  1. Pull the starter rope handle slowly until you feel some resistance. When you feel resistance, pull the starter rope handle 3 times quickly and with force.

HUSQVARNA 329L - To start a cold engine - 5

WARNING Do not twist the starter rope around your hand.

  1. Push the choke control down.
  2. Pull the starter rope handle until the engine starts and operates.

HUSQVARNA 329L - To start a cold engine - 6

CAUTION Do not pull the starter rope to full extension and do not let go of the starter rope handle. This can cause damage to the product. Release the starter rope slowly.

HUSQVARNA 329L - To start a cold engine - 7

CAUTION Do not engage the throttle yet.

  1. Let the engine become warm during 60 seconds.
  2. Engage the throttle fully for 10-15 seconds.
  3. To increase the trimmer line, let the trimmer head touch the ground while the product operates at full throttle.

Note This is to make sure that the correct load for the operation is applied.

To start a warm engine

  1. Push the air purge bulb 10 times.
  2. Pull the starter rope handle slowly until you feel some resistance. When you feel resistance, pull the starter rope handle 3 times quickly and with force.

Note If the product does not start and operate, refer to To start a cold engine on page 9.

To start the engine when the fuel is too hot

If the product does not start, the fuel can be too hot.

Note Always use new fuel and decrease the operation time during warm weather.

  1. Put the product in a cool area away from open sunlight.
  2. Let the product cool down for 20 minutes at minimum.
  3. Press the air purge bulb again and again for 10-15 seconds.
  4. Obey the procedure to start a cold engine. Refer to Technical data on page 18

To stop the product

  • Push the stop switch to stop the engine.

HUSQVARNA 329L - To stop the product - 1

Note The stop switch automatically goes back to its initial position.

To operate the grass trimmer

HUSQVARNA 329L - To operate the grass trimmer - 1

CAUTION Make sure that you slow the engine to idle speed after each operation. A long period at full throttle without a load on the engine can cause damage to the engine.

Note Clean the cover of the trimmer head when you attach a new trimmer line to prevent vibrations. Examine other parts of the trimmer head and clean if it is necessary.

To trim the grass

  1. Hold the trimmer head immediately above the ground at an angle. Do not push the trimmer line into the grass.

HUSQVARNA 329L - To trim the grass - 1

  1. Decrease the length of the trimmer line by 10-12 cm / 4-4.75 in.
  2. Decrease the engine speed to decrease the risk of damage to plants.
  3. Use 80% throttle when you cut grass near objects.

HUSQVARNA 329L - To trim the grass - 2

To cut the grass

  1. Make sure that the grass trimmer line is parallel to the ground when you cut.

HUSQVARNA 329L - To cut the grass - 1

  1. Do not push the trimmer head to the ground. The ground and the product can be damaged.
  2. Do not let the trimmer head touch the ground continuously, it can cause damage to the trimmer head.

  3. Use full throttle when you move the product from side to side to cut grass. Make sure that the grass trimmer line is parallel to the ground.

HUSQVARNA 329L - To cut the grass - 2

Grass trimmer head

Make sure that you wind the grass trimmer line tightly and equally around the drum to decrease the vibration.
- Use only the approved grass trimmer heads and grass trimmer lines. Refer to Accessories on page 18.
- Use a correct length of the grass trimmer line. A long grass trimmer line uses more engine power than a short grass trimmer line.
Make sure that the cutter on the cutting attachment guard is not damaged.
- Soak the grass trimmer line in water for 2 days before you attach the grass trimmer line to the product. This increases the life of the grass trimmer line.
Refer to the instructions for the cutting attachment to use the correct procedure to load the cord and the correct cord diameter.

HUSQVARNA 329L - Grass trimmer head - 1
To replace the trimmer line

HUSQVARNA 329L - Grass trimmer head - 2

HUSQVARNA 329L - Grass trimmer head - 3

HUSQVARNA 329L - Grass trimmer head - 4

HUSQVARNA 329L - Grass trimmer head - 5

HUSQVARNA 329L - Grass trimmer head - 6

HUSQVARNA 329L - Grass trimmer head - 7

HUSQVARNA 329L - Grass trimmer head - 8

Maintenance

Introduction

HUSQVARNA 329L - Introduction - 1

WARNING Before you do maintenance, you must read and understand the safety chapter.

For all servicing and repair work on the product, special training is necessary. We guarantee the availability of professional repairs and servicing. If your dealer is not a service agent, speak to them for information about the nearest service agent.

Maintenance schedule

Weekly maintenance

  • Clean the external surfaces.
  • Make sure that the cutting attachment does not move when on idle speed. Refer to To adjust the idle speed on page 14.
  • Examine the level of grease in the bevel gear. Refer to To add grease to the bevel gear on page 16.

Monthly maintenance

Make sure that the starter rope handle and the starter rope is not damaged.

Yearly maintenance

  • Examine the spark plug. Refer to To examine the spark plug on page 15

  • Clean the external surfaces of the carburetor and its adjacent areas.

  • Clean the cooling system.
  • Examine the spark arrester screen. Refer to To do maintenance on the spark arrester screen on page 15.
  • Examine the fuel filter.
  • Make sure that the fuel hose is not damaged.
  • Make sure that cables and connections on the product is not damaged.

To adjust the idle speed

Make sure that the air filter is clean and the air filter cover is attached before you adjust the idle speed.
- Adjust the idle speed with the idle adjustment screw T which is identified with "T" mark.
- The idle speed is correct when the engine operates smoothly in all positions. The idle speed must be below the speed when the cutting attachment starts to turn.

  1. Turn the idle adjustment screw clockwise until the cutting attachment starts to turn.

HUSQVARNA 329L - To adjust the idle speed - 1

  1. Turn the idle adjustment screw counterclockwise until the cutting attachment stops.

To do maintenance on the spark arrester screen

Use a wire brush to clean the spark arrester screen.

HUSQVARNA 329L - To do maintenance on the spark arrester screen - 1

To clean the cooling system

Clean the parts of the cooling system with a brush.

HUSQVARNA 329L - To clean the cooling system - 1

The cooling system include the air intake on the starter (A) and the cooling fins on the cylinder (B).

To examine the spark plug

HUSQVARNA 329L - To examine the spark plug - 1

CAUTION Use the recommended spark plug. Make sure that the replacement is the same as the manufacturer supplied part. An incorrect spark plug can cause damage to the product. Make sure that the spark plug is installed with a suppressor. Speak to your servicing dealer for more information.

  1. Examine the spark plug when:

a) the engine is low on power.
b) the engine is not easy to start.
c) the engine does not operate correctly at idle speed.

  1. If, the engine is not easy to start or operate, examine the spark plug for unwanted materials. To decrease the risk of unwanted material on the spark plug electrodes:

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.

  1. Clean the spark plug if it is dirty. Make sure that the electrode gap is correct. Refer to Technical data on page 18.

HUSQVARNA 329L - To examine the spark plug - 2

  1. Replace the spark plug when it is necessary.

To do the maintenance to the air filter

To clean the air filter

  1. Remove the air filter cover and remove the air filter.

HUSQVARNA 329L - To do the maintenance to the air filter - 1

  1. Clean the air filter with warm soap water. Make sure that the air filter is dry before you install it.
  2. Replace the air filter if it is too dirty to fully clean it. Always replace a damaged air filter.
  3. If your product has a foam air filter, apply air filter oil. Only apply air filter oil to a foam filter. Do not apply oil to a felt filter.

To apply air filter oil to the air filter

HUSQVARNA 329L - To apply air filter oil to the air filter - 1

CAUTION Always use special air filter oil on foam air filters. Do not use other types of oil.

HUSQVARNA 329L - To apply air filter oil to the air filter - 2

WARNING Do not get oil on your body.

  1. Remove the air filter cover and remove the air filter.

HUSQVARNA 329L - To apply air filter oil to the air filter - 3

  1. Put the air filter in a plastic bag.
  2. Put the air filter oil in the plastic bag.

HUSQVARNA 329L - To apply air filter oil to the air filter - 4

  1. Push the plastic bag to make sure the oil supplies equally across the air filter.
  2. Push on the air filter, while in the bag, to remove the air filter oil that is not necessary. Remove the air filter from the bag.
  3. Install the air filter.

To add grease to the bevel gear

Make sure that the bevel gear is filled 3/4 full with bevel gear grease.

HUSQVARNA 329L - To add grease to the bevel gear - 1

Troubleshooting

The engine does not start

Check Possible causeProcedure
Stop switch. The stop switch is in the stop position. Set the stop switch to the start position.
Starter pawls. The starter pawls cannot move freely. Remove the starter cover and clean around the starter pawls.
Let an approved service agent help you.
Fuel tank. Incorrect fuel type. Drain the fuel tank and fill with correct fuel.
Spark plug. The spark plug is dirty or wet. Make sure that the spark plug is dry and clean.
The spark plug electrode gap is incorrect. Clean the spark plug. Make sure that the electrode gap is correct. Make sure that the spark plug has a suppressor.
Refer to technical data for correct electrode gap.
The spark plug is loose. Tighten the spark plug.

The engine starts but stops again

CheckPossible cause Procedure
Fuel tank Incorrect fueltype. Empty the fuel tank and fill it with correct fuel.
Air filter The air filter isclogged. Clean the air filter.

Transportation, storage and disposal

Transportation and storage

  • Let the product cool before transportation or storage.
  • Remove the spark plug cap before long-term storage.
  • Attach the product during transportation. Make sure that it cannot move.

  • Make sure that there is no risk of fuel leaks, fuel fumes, sparks or flames during transportation and storage.

  • Clean and do servicing on the product before long-term storage.

Technical data

Technical data

329L A05328CSHV
Engine
Cylinder displacement, cu.in/cm³1.68/27.6
Idle speed, rpm 2800 - 3200
Recommended max. speed, rpm 8000
Power / Max. engine output, acc. to ISO 8893, kW/hp @ rpm 0.9/1.2 @ 8000
Catalytic converter muffler Yes
Speed of output shaft, rpm 7200
Ignition system
Spark plug Husqvarna HQT-4
Electrode gap, inch/mm 0.02/0.5
Fuel system
Fuel tank capacity, US Pint/l 0.725/0.343
Product dimensions
Weight (excluding cutting equipment), lb/kg 11.0/5.0

Accessories

Accessories

Approved accessoriesType Cutting attachment guard
Threaded shaft M10L
Trimmer head T35, Ø 2.4 mm 588 5437-01

Contidente

Introduccion. 19

Seguridad 21

Montaje. 25

Funcionamento. 26

Mantenimiento. 32

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Product information

Brand : HUSQVARNA

Model : 329L

Category : Brush cutter