LC 152 - Electric mower HUSQVARNA - Free user manual and instructions

USER MANUAL LC 152 HUSQVARNA

LC 151, LC 151S, LB 251S, LB 256SP

EAC

EN Operator's manual 7-21

Technical diagram of a lawn mower with numbered parts and an inset view showing mechanical components.

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8 1 12 CE UK CA △ 8

15

Simple line drawing of a mechanical lever or bracket with a curved handle and attached weights (no text or symbols)

17 A B C D E

18 F G H

Mechanical assembly diagrams showing two configurations of a gear mechanism with no visible text or symbols

20 CLICK!

Line drawing of a lawn mower with a directional arrow indicating motion (no text or symbols)

Line drawing of a lawn mower with an arrow indicating clockwise motion (no text or symbols)

Technical line drawing of a mechanical clamp or bracket assembly (no text or symbols)

Diagram of a hand holding a segmented device with directional arrows indicating motion (no text or symbols)

Illustration of a hand using a tool to apply liquid into a bottle (no text or symbols present)

Mechanical diagram showing a wheel assembly with clamping components and motion lines (no text or symbols)

Diagram of a mechanical lever mechanism with a curved arrow indicating rotational motion (no text or symbols)

Line drawing of a mechanical bracket or clamp mechanism with a directional arrow (no text or symbols)

Diagram of a mechanical device with a lever and directional arrow, no text or symbols present

Technical line drawing of a wheeled vehicle with visible tires and mounting brackets, showing mechanical components and a separate bracket (no text or symbols)

Diagram of a vehicle with a cart being pulled into a box, showing mechanical components and motion direction (no text or symbols)

Technical line drawing of a mechanical vehicle with visible tires and mounting brackets, showing no text or symbols.

Line drawing of a lawn mower with an inset showing the mechanical component (no text or symbols)

34

Diagram of a lawn mower with a base cover and mechanical components, showing no text or symbols

Line drawing of hands holding a tablet device with a scroll wheel (no text or symbols)

36

Technical line drawing of a vehicle's front wheel assembly (no text or labels)

Diagram of a circular mechanical or electrical component with concentric rings and a central rotating arrow, no text or symbols present.

38

Diagram showing a blade under an arch with arrows indicating direction, above grass (no text or symbols)

Diagram of a mechanical gear or cam mechanism with concentric circles and a central rotating arrow, no text or symbols present.

40

Technical line drawing of a mechanical component with threaded body and shaft (no text or symbols)

42 A B

Diagram of a mechanical component with rotating arrows indicating motion (no text or symbols)

Contents

Introduction	7
Safety	8
Assembly	11
Operation	11
Maintenance	13

Engine troubleshooting......	16
Transportation, storage and disposal......	17
Technical data......	18
Declaration of Conformity......	20

Introduction

Product description

The product is a pedestrian-controlled rotary lawn mower. For LC 151, LC 151S attach the grass catcher to collect the grass. Attach the side discharge deflector for side discharge of the grass. For LC 151, LC 151S attach a mulch kit to cut the grass into fertilizer.

Product overview

(Fig. 1)

1. Handlebar
2. Engine brake handle
3. Drive bail (LC 151S, LB 256SP)
4. Drive lever (LB 251S)
5. Rear cover (LC 151, LC 151S)
6. Grass catcher (LC 151, LC 151S)
7. Handle height knobs
8. Cutting height lever
9. Oil cap and dipstick
10. Side discharge cover
11. Muffler
12. Spark plug
13. Carburetor
14. Fuel tank cap
15. Symbols
16. Cutting cover
17. Air filter
18. Side deflector
19. Starter rope handle

20. Operator's manual

21. Mulch kit (accessory for LC 151, LC 151S)

Symbols on the product

(Fig. 2) WARNING! Be careful and use the product correctly. This product can cause serious injury or death to the operator or others.

(Fig. 3) Please read the operator's manual carefully and make sure that you understand the instructions before use.

(Fig. 4) Look out for thrown objects and ricochets.

Intended use

Use the product to cut grass. Do not use the product for other tasks.

(Fig. 5) Keep persons and animals at a safe distance from the work area.

(Fig. 6) Warning: Keep hands and feet away from the rotating blade.

(Fig. 7) Warning: Keep hands and feet away from rotating parts.

(Fig. 8) Stop the engine and remove the ignition cable before repairs or maintenance.

(Fig. 9) This product is in accordance with applicable EC directives.

(Fig. 10) Noise emission to the environment label as per EU and UK directives and regulations, and New South Wales legislation "Protection of the Environment Operations (Noise Control) Regulation 2017". The guaranteed sound power level of the product is specified in and on the label.

(Fig. 11)

This product conforms to applicable UK regulations.

(Fig. 12) Risk of fire.

(Fig. 13) Do not breathe in exhaust fumes. The exhaust fumes from the engine contain carbon monoxide, an odourless, poisonous and very dangerous gas. Do not start the engine indoors or in closed spaces.

(Fig. 14) Hot surface.

(Fig. 15) Fill the engine with oil before you start the product.

Note: Other symbols/decals on the product refer to certification requirements for some 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.

Euro V Emissions

WARNING: Tampering with the engine voids the EU type-approval of this product.

Safety

Safety definitions

Warnings, cautions and notes are used to point out specially important parts of the manual.

WARNING: Used if there is a risk of injury or death for the operator or bystanders if the instructions in the manual are not obeyed.

CAUTION: Used if there is a risk of damage to the product, other materials or the adjacent area if the instructions in the manual are not obeyed.

Note: Used to give more information that is necessary in a given situation.

General safety instructions

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

• This product is dangerous if used incorrectly or if you are not careful. Injury or death can occur if you do not obey the safety instructions.

• This product produces an electromagnetic field during operation. This field may under some circumstances interfere with active or passive medical implants. To reduce the risk of serious or fatal injury we recommend persons with medical implants to consult their physician and the medical implant manufacturer before operating this product.
  • Always be careful and use your common sense. If you are not sure how to operate the product in a special situation, stop and speak to your Husqvarna dealer before you continue.

• Keep in mind that the operator will be held responsible for accidents that involve other persons or their property.

• Keep the product clean. Make sure that you can clearly read signs and decals.
• Do not let a person use the product unless you make sure that they read and understand the contents of the operator's manual.
• Do not let a child operate the product.
• Keep children away from the work area. A responsible adult must be there at all times.
• Do not let a person, without knowledge of the instructions, operate the product.
  • Always monitor a person, with decreased physical capacity or mental capacity, that uses the product. A responsible adult must be there at all times.
• Do not use the product if you are tired, ill, or under the influence of alcohol, drugs or medicine. This has a negative effect on your vision, alertness, coordination and judgment.
• Do not use the product if it is defective.
• Do not change this product or use it if it is possible that it has been changed by others.
• Do not change the adjustment for the engine speed control.

Work area safety

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

• Remove objects such as branches, twigs and stones from the work area before you use the product.
• Objects that hit against the cutting equipment can eject and cause damage to persons and objects. Keep bystanders and animals at a safe distance from the product.
• Never use the product in bad weather such as fog, rain, strong winds, intense cold and risk of lightning.

To use the product in bad weather or in moist or wet locations is tiring. Bad weather can cause dangerous conditions, such as slippery surfaces.

• Look out for persons, objects and situations that can prevent safe operation of the product.
• Look out for obstacles, such as roots, stones, twigs, pits and ditches. Long grass can hide obstacles.
• To cut grass on slopes can be dangerous. Do not use the product on ground that slopes more than 15^ .
• Operate the product across the face of slopes. Do not move up and down.
• Be careful when you go near hidden corners and objects that prevent a clear view.

Work safety

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

• Use this product to cut grass lawns only. It is not permitted to use it for other tasks.
• Use personal protective equipment. Refer to Personal protective equipment on page 9.
• Make sure that you know how to stop the engine quickly in an emergency.
• Never start the engine in a closed space or near flammable material. The exhaust fumes from the engine are hot and can contain sparks which can start a fire.
• Do not operate the product unless the blade and all covers are attached correctly. An incorrectly attached blade can come loose and cause personal injury.
• Make sure that the blade does not hit objects such as stones and roots. This can do damage to the blade and bend the engine shaft. A bent axle causes heavy vibration and a very high risk that the blade becomes loose.
• If the blade hits an object or if vibrations occur, stop the product immediately. Disconnect the ignition cable from the spark plug. Examine the product for damages. Repair damages or let an authorised service agent do the repair.
• Never attach the engine brake handle permanently to the handle when the engine is started.
• Put the product on a stable, flat surface and start it. Make sure that the blade does not hit the ground or other objects.
  • Always stay behind the product when you operate it.
• Let all the wheels stay on the ground and keep 2 hands on the handle when you operate the product. Keep your hands and feet away from the rotating blades.
• Do not tilt the product when the engine is started.

• Be careful when you pull the product rearward.

• Never lift up the product when the engine is started. If you must lift the product, first stop the engine and disconnect the ignition cable from the spark plug.

• Do not walk rearward when you operate the product.
• Stop the engine when you move across areas without grass, for example paths made of gravel, stone and asphalt.
• Do not run with the product when the engine is started. Always walk when you operate the product.
• Stop the engine before you change the cutting height. Never make adjustments with the engine started.
• Never let the product stay out of view with the engine started. Stop the engine and make sure that the cutting equipment does not rotate.

Safety instructions for operation

Personal protective equipment

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

• Personal protective equipment cannot fully prevent injury but it decreases the degree of injury if an accident does occur. Let your dealer help you select the right equipment.
• Use hearing protection if the noise level is higher than 85 dB.
• Use heavy-duty slip-resistant boots or shoes. Do not use open shoes or go with bare feet.
• Use heavy, long pants.
• Use protective gloves when necessary, for example when you attach, examine or clean the cutting equipment.

Safety devices on the product

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. If the safety devices are defective, speak to your Husqvarna service agent.

To do a check of the cutting cover

The cutting cover decreases vibrations in the product and decreases the risk of injury from the blade.

- Examine the cutting cover to make sure that there are no damages such as cracks.

To do a check of the engine brake handle

The engine brake handle stops the engine. When the engine brake handle is released, the engine stops.

- Start the engine and then release the engine brake handle. If the engine does not stop in 3 seconds, let an approved Husqvarna service agent adjust the engine brake. (Fig. 16)

To do a check of the rear cover

The rear deflector decreases the risk that objects eject in the direction of the operator.

• Make sure that the rear cover is not damaged.
• Make sure that the springs that close the rear cover are not damaged.
• Replace damaged springs and damaged parts.
• Make sure that the rear cover can move smoothly on the hinges.

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 do a check of the muffler

- Examine the muffler regularly to make sure that it is attached correctly and not damaged.

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 3m / 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 odourless, poisonous and very dangerous gas. Do not start the engine indoors or in closed spaces.
• 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 cutting equipment. The blade is 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 owner's manual. All other servicing must be done by an approved Husqvarna service agent.
• Let an approved Husqvarna service agent do servicing on the product regularly.
• Replace damaged, worn or broken parts.

Assembly

Introduction

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

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

To assemble the handle

1. Push the screw (A) through the handle (B), the plastic washer (C) and the handle support bracket (D). (Fig. 17)
2. Tighten the nut (E) fully.
3. Push the screw (F) through the washer (G) and the handle support bracket. (Fig. 18)
4. Tighten the knob (H) fully.

To adjust the handle

1. Loosen the lower knobs.
2. Move the knobs to the lower end of the grooves on the left and the right side of the product. (Fig. 19)

3. Set the handle height in one of the 2 available positions.

4. Move the knobs up in the direction of the handle until they stop and you hear a click. (Fig. 20)

5. Tighten the knobs fully.

To set the product in transport position

1. Loosen the lower knobs.

2. Fold the handle forward. (Fig. 21)

3. Move the knobs to the lower end of the grooves on the left and the right side of the product. (Fig. 19)

To set the product in operation position

1. Fold the handle to upright position. (Fig. 22)
2. Move the knobs up in the direction of the handle until they stop and you hear a click. (Fig. 20)
3. Tighten the knobs fully.

To assemble the grass catcher (LC 151, LC 151S)

1. Attach the grass catcher frame to the grass bag with the rigid part of the bag on the bottom. Keep the handle of the frame out of the top of the bag. (Fig. 23)
2. Attach the grass bag to the frame with the clips. (Fig. 24)

Operation

Introduction

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

Husqvarna Connect

Husqvarna Connect is a free app for your mobile device. The Husqvarna Connect app gives extended functions for your Husqvarna product:

• Extended product information.
  • Information about, and help with, product parts and servicing.

To start to use Husqvarna Connect

1. Download the Husqvarna Connect app on your mobile device.
2. Register in the Husqvarna Connect app.
3. Do the instruction steps in the Husqvarna Connect app to connect and register the product.

Before you operate the product

1. Read the operator's manual carefully and make sure that you understand the instructions.
2. Examine the cutting equipment to make sure that it is correctly attached and adjusted. See To examine the cutting equipment on page 14.
3. Fill the fuel tank. See To fill fuel on page 11.
4. Fill the oil tank and do a check of the oil level. See To do a check of the oil level on page 15.

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 with octane number not less than 90.

CAUTION: Do not use gasoline with an octane number less than 90 RON (87 AKI). 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. (Fig. 25)

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 set the cutting height

1. Move the cutting height lever rearward to increase the cutting height.
2. Move the cutting height lever forward to decrease the cutting height. (Fig. 26)

CAUTION: Do not set the cutting height too low. The blades can hit the ground if the surface of the lawn is not level.

To start the product

1. Make sure that the ignition cable is connected to the spark plug.
2. Stay behind the product.
3. Hold the engine brake handle against the handlebar. (Fig. 27)
4. Hold the starter rope handle with your right hand.
5. Slowly pull out the starter rope until you feel some resistance.
6. Pull with force to start the engine.

WARNING: Do not twist the starter rope around your hand.

To use the drive on the wheels LC 151S & LB 256SP

• Push the drive bail in the direction of the handlebar. (Fig. 28)
• Release the drive bail to disengage the drive, for example when you go near an obstacle.
• Before you pull the product rearward, disengage the drive and push the product forward approximately 10 cm.

To use the drive on the wheels (LB 251S)

• Pull the drive lever in the direction of the handlebar. (Fig. 29)
• Push the drive lever away from the handlebar to disengage the drive, for example when you go near an obstacle.

Note: The drive lever is automatically disengaged when you release the engine brake handle.

- Before you pull the product rearward, push the drive lever away from the handlebar and push the product forward approximately 10 cm to fully disengage the drive.

To stop the product

• To stop the drive only, release the drive bail (LC 151S, LB 256SP) or the drive lever (LB 251S).
• To stop the engine, release the engine brake handle.

To use the product with the grass catcher (LC 151, LC 151S)

WARNING: Do not operate the product without a grass catcher installed or without the rear cover closed. Objects can eject and cause injury to the operator.

1. Lift the rear cover and remove the mulch plug if it is installed. (Fig. 30)
2. Assemble the grass catcher, refer to To assemble the grass catcher (LC 151, LC 151S) on page 11.
3. Put the grass catcher on the bracket.
4. Release the rear cover and put it on top of the grass bag frame. (Fig. 31)

To change the product to mulch mode (LC 151, LC 151S)

Make sure the engine is off before you change the product to mulch mode.

1. Lift the rear cover and remove the grass catcher, if it is installed.
2. Put the mulch plug into the discharge channel. (Fig. 32)
3. Close the rear cover and make sure that it is tightly closed against the mulch plug.

Note: To increase the performance of the mulch mode, replace the blade with the mulch blade accessory. Refer to To replace the blade on page 14

To change the product to side discharge mode

1. Lift the rear cover and remove the grass bag, if it is installed.
2. Close the rear cover and make sure that it is tightly closed against the product.
3. Lift the discharge lock. (Fig. 33)
4. Open the side discharge cover and install the side discharge deflector onto the support pins. (Fig. 34)
5. Let the side discharge cover close against the side discharge deflector. Make sure that the side discharge deflector is tightly in position before you operate the product.

Note: To increase the performance in side discharge mode, install the mulch plug. (Fig. 32)

To empty the grass catcher

CAUTION: Lift the grass catcher when you move it to prevent wear.

1. Lift the grass catcher with the frame handle.
2. Use the frame handle and the bag handle when you empty the grass catcher. (Fig. 35)

To get a good result

- Always use a sharp blade. A blunt blade gives an irregular result and the cut surface of the grass becomes yellow. A sharp blade also uses less energy than a blunt blade.

• Do not cut more than 13 of the length of the grass. Use the highest cutting height when you start to cut the grass. Examine the result and lower the cutting height to an applicable level. If the grass is very long, operate slowly and cut 2 times if it is necessary.
• Cut in different directions each time to prevent stripes in the lawn.
• Lift the rear cover and remove the grass catcher.
• If a mulch plug and a mulch blade are attached, remove them.
• Close the rear cover before you operate the product. When you operate the product, the cut grass discharges below the rear cover.
• Keep the cutting cover clean. Buildup from grass and dirt on the inner side of the cutting cover can decrease the cutting result. Refer to To clean the inner surface of the cutting cover on page 14.

Maintenance

Introduction

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.

For more detailed information, refer to www.husqvarna.com.

Maintenance schedule

CAUTION: Make sure that the air filter is up and not against the ground when you tilt the product. Risk of engine damage.

The maintenance intervals are calculated from daily use of the product. The intervals change if the product is not used daily.

For maintenance identified with * refer to instructions in Safety devices on the product on page 9.

Maintenance Daily Monthly Each season
Do a general inspection X
Examine the oil level X
Replace the oil (the first time after 5 h of use, then after each 50 h of use)1			X
Clean the product X
Examine the cutting equipment X
Examine the cutting cover * X
Examine the engine brake handle * X
Examine the muffler * X
Examine the spark plug. Clean or replace the spark plug if it is necessary			X
Examine the air filter X
Clean the air filter ^2		X
Replace the air filter X
Examine the fuel system X
Clean the cooling fins on the cylinder X
Examine and adjust the clutch wire (LC 151S, LB 251S, LB 256SP) X
Clean below the transmission cover (LB 251S) X

To do a general inspection

- Make sure that all nuts and screws on the product are tightened correctly.

To clean the product externally

• Use a brush to remove leaves, grass and dirt.
• Make sure that the air intake on the top of the engine is not blocked.
• Do not use a high pressure washer to clean the product.
• If you use water to clean the product, do not flush water directly on the engine.

To clean the inner surface of the cutting cover

1. Empty the fuel tank.
2. Tilt the product. Make sure that the spark plug point up.

CAUTION: If the product is put with the air filter down, the engine can become damaged.

1. Hose down the inner surface of the cutting cover with water.

To clean below the transmission cover (LB 251S)

1. Empty the fuel tank.
2. Tilt the product. Make sure that the spark plug point up.

CAUTION: If the product is put with the air filter down, the engine can become damaged.

1. Remove the 7 screws. (Fig. 36)
2. Remove the transmission cover.
3. Clean the surface with a brush.

CAUTION: Water or contamination below the transmission cover can cause damage to the transmission.

1. Install the transmission cover and the 7 screws.

To examine the cutting equipment

WARNING: To prevent accidental start remove the ignition cable from the spark plug.

WARNING: Use protective gloves when you do maintenance on the cutting equipment. The blade is very sharp and cuts can easily occur.

1. Examine the cutting equipment for damage or cracks. Always replace a damaged cutting equipment.
2. Look at the blade to see if it is damaged or blunt.

Note: It is necessary to balance the blade after it is sharpened. Let a service center sharpen, replace and balance the blade. If you hit an obstacle that causes the product to stop, replace the damaged blade. Let the service center estimate if the blade can be sharpened or must be replaced.

To replace the blade

1. Lock the blade with a block of wood. (Fig. 37)
2. Remove the blade bolt and spring washer.
3. Remove the blade.
4. Examine the blade support and blade bolt to see if there are damages.

5. Examine the engine shaft to make sure that it is not bent.

6. When you attach the new blade, point the angled ends of the blade in the direction of the cutting cover. (Fig. 38)

7. Make sure that the blade is aligned with the center of the engine shaft.
8. Lock the blade with a block of wood. Attach the spring washer and tighten the bolt and washer with a torque of 43 - 47 Nm. (Fig. 39)
9. Pull the blade around by hand and make sure that it turns freely.

WARNING: Use heavy duty gloves. The blade is very sharp and cuts can easily occur.

1. Start the product to do a test of the blade. If the blade is not correctly attached, there is vibration in the product or the cutting result is unsatisfactory.

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

WARNING: Engine oil is very hot directly after the engine is stopped. Let the engine become cool before you drain the engine oil. If you spill engine oil on your skin, clean with soap and water.

(Fig. 40)

1. Operate the product until the fuel tank is empty.
2. Remove the ignition cable from the spark plug.
3. Remove the oil tank cap.
4. Put a container below the product to collect the engine oil in.
5. Tilt the product to drain the engine oil from the oil tank.
6. Fill with new engine oil of the type recommended in Technical data on page 18.
7. Do a check of the oil level. Refer to To do a check of the oil level on page 15.

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 18. (Fig. 41)
• Replace the spark plug if it is necessary.

Air filter

A dirty air filter can cause the engine to be damaged or not operate correctly. Do maintenance on the air filter more frequently in dusty conditions. Refer to Maintenance on page 13 for information about when to replace the air filter.

Note: Always replace a damaged air filter.

To remove and install the air filter

WARNING: Use protective gloves.

1. Push the clips on the air filter cover.
2. Carefully remove the air filter cover (A) from the engine.
3. Remove the air filter (B). (Fig. 42)
4. Examine the air filter for damages. Replace a damaged air filter.
5. Clean and examine the air filter. Refer to To clean the air filter on page 15.
6. Install in the opposite sequence.

To clean the air filter

A dirty air filter can cause the engine to be damaged or not operate correctly. Do maintenance on the air cleaner more frequently in dusty conditions.

See Maintenance on page 13 for information about when to replace the air filter.

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

2. Clean the filter by hitting it against a flat surface. Do not use solvent with petroleum, kerosene or compressed air to clean the filter.

Note: Air filters in operation for a long time cannot be cleaned fully. Replace the air filter at regular intervals. Damaged air filters must always be replaced.

1. When you assemble the air filter, make sure that it fully seals against the filter holder.

To do a check of the side discharge deflector

The side discharge deflector is attached to the side discharge opening of the product. It decreases the risk of objects to eject in the direction of the mow position of the operator.

1. Make sure that the side discharge deflector is not damaged.
2. Examine the side discharge deflector. Make sure that you do not see defects, such as cracks or broken springs that push the door to close.
3. Replace the side discharge deflector or the springs if they are damaged.

To examine the fuel system

- Examine the fuel tank cap and the seal for the fuel tank cap to make sure that there are no damages.

- Examine the fuel hose to make sure that there are no leaks. If the fuel hose is damaged, let a service agent replace it.

To adjust the clutch wire (LC 151S, LB 251S, LB 256SP)

For the situations that follow, it is necessary to decrease the length of the clutch wire:

• The drive of the wheels does not engage when you pull the drive bail or the speed control lever.
• The product moves slowly when the drive of the wheels is engaged.

For the situations that follow, it is necessary to extend the length of clutch wire:

• The product moves when the drive of the wheels is not engaged.
• Adjust the clutch wire.

a) To decrease the length of clutch wire, turn the adjuster screw counterclockwise.

b) To extend the length of the clutch wire, turn the adjustment screw clockwise. (Fig. 43)

If the product continues to drive unsatisfactory after the adjustment, speak to you servicing dealer

Engine troubleshooting

Problem Possible cause Solution
The engine does not start. The	ignition cable is not connected correctly.	Connect the ignition cable to the spark plug.
	The fuel tank is empty. Fill the fuel tank with correct fuel type.
	The fuel is old. Drain the fuel tank and the carburetor. Refuel with new gasoline.
	There is dirt in the carburetor or fuel line.	Clean the carburetor and/or fuel line.
	The spark plug is defective. Adjust the electrode gap, clean or replace the spark plug.
	There is fuel on the spark plug. Clean the spark plug.
The engine does not stop. The	stop mechanism is defective. Disconnect the ignition cable from the spark plug. Let an approved service agent repair the product.
The engine does not operate smoothly.	The ignition cable is not connected correctly.	Connect the ignition cable to the spark plug.
	There is dirt in the fuel line or the fuel has expired.	Clean the fuel line. Fill the fuel tank with new fuel of the correct type.
	There is blockage in the fuel tank cap. Clean the fuel tank cap.
	There is water or dirt in the fuel system. Drain the fuel tank. Fill the fuel tank with new fuel of the correct type.
	The air filter is dirty. Clean the air filter.
	The carburetor must be adjusted. Let a servicing dealer adjust the carburetor.
The engine becomes too hot. The engine oil level is too low. Fill engine oil.
		The air flow is not sufficient. Clean the air filter and the air filter housing.
		The carburetor must be adjusted. Let a servicing dealer adjust the carburetor.
There is misfire in the engine when it operates at high speed.	The electrode gap in the spark plug is too small.	Adjust the electrode gap.
Unusual noises from the engine during normal load.	Incorrect type of gasoline. Drain the fuel tank and the carburetor. Refuel with new gasoline. Refer to To fill fuel on page 11. If the problem continues speak to your local service dealer.
The engine does not operate smoothly at idle speed.	The spark plug is dirty, defective or the electrode gap is too wide.	Adjust the electrode gap or replace the spark plug.
	The carburetor must be adjusted. Adjust the carburetor.
	The air filter is dirty. Clean the air filter.

Transportation, storage and disposal

Transportation and storage

• For storage and transportation of the product and fuel, make sure that there are no leaks or fumes. Sparks or open flames, for example from electrical devices or boilers, can start a fire.
  • Always use approved containers for storage and transportation of fuel.
• Empty the fuel tank before you put the product in storage for a long period of time. Discard the fuel at an applicable disposal location
• Safely attach the product during transportation to prevent damage and accidents.
• Keep the product in a locked area to prevent access for children or persons that are not approved.
• Keep the product in a dry and frost free area.

Disposal

• Obey the local recycling requirements and applicable regulations.
• Discard all chemicals, such as engine oil or fuel, at a service center or at an applicable disposal location.
• When the product is no longer in use, send it to a Husqvarna dealer or discard it at a recycling location.

Technical data

Technical data

	LC 151 LC 151S L	B 251S LB 256SP
Engine
Brand Husqvarna Husqvarna Husqvarna	Husqvarna
Engine type Single cylinder,	4-Stroke, Forced Air Cooling, OHV	Single cylinder, 4-Stroke, Forced Air Cooling, OHV	Single cylinder, 4-Stroke, Forced Air Cooling, OHV	Single cylinder, 4-Stroke, Forced Air Cooling, OHV
Displacement, cm3	166 166 166 166
Speed, rpm 2800 2800 2800 2800
Nominal engine output, kW3	2.7 2.7 2.7 2.7
Ignition system
Spark plug Husqvarna HQT-	7	Husqvarna HQT-7	Husqvarna HQT-7	Husqvarna HQT-7
Electrode gap, mm 0.7–0.8 0.7–0.8 0.7	-0.8 0.7–0.8
Fuel and lubrication system
Engine lubrication type Splash Splash	Splash Splash
Fuel tank capacity, litre 1.0 1.0 1.0 1.0
Oil tank capacity, litre	0.5 0.5 0.5 0.5
Engine oil4	Husqvarna SAE 30	Husqvarna SAE 30	Husqvarna SAE 30	HusqvarnaSAE 30
Weight
With empty tanks, kg	31.1	32.6	32.0	33.1
Noise emissions5
Sound power level, measured, dB(A)	97	97	95	98
Sound power level, guaranteed, LWA dB(A)	98	98	96	98
Sound levels6
	LC 151 LC 151S LB 251S LB 256SP
Sound pressure level at operators ear, dB(A)	85 85 82 88
Vibration levels7
Vibrations handlebar, m/s2	8.5 8.5 4.7 7.5
Cutting equipment
Cutting height, mm 25–75 25–75 25–75	25–75
Cutting width, mm 510 510 510 560
Cutting system Collection / Bio-	Clip® / Side dis-charge	Collection / Bio-Clip® / Side dis-charge	BioClip® / Side discharge	BioClip® / Side discharge
Blade - standard Collection	598562601	Collection 598562601	Mulch 597683901	Mulch 598563601
Blade - Accessory Mulch	597683901	Mulch 597683901	-	-
Grass catcher capacity, liter 65 65 – –
Drive
Self walk speed, km/h – 3.6 4.0 3.6

Declaration of Conformity

EU Declaration of Conformity

We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel: [phone], declare on our sole responsibility that the product:

Description Lawn Mower
Brand Husqvarna
Type / Model LC 151, LC 151S, LB 251S, LB 256SP
Identification Serial numbers dating from 2022 and onwards

complies fully with the following EU directives and regulations:

Regulation Description
2006/42/EC "relating to machinery"
2014/30/EU "relating to electromagnetic compatibility"
2000/14/EC "relating to the noise emissions in the environment"
2011/65/EU	"on the restriction of the use of certain hazardous substances in electrical and electronic equipment"

and that the following standards and/or technical specifications are applied: EN ISO 5395-1:2013/A1:2018, EN ISO 5395-2:2013/A1:2016/A2:2017, EN ISO 14982:2009, EN IEC 63000:2018

Notified Body: 0404, RISE SMP Svensk Maskinprovning AB, Box 4053, SE-904 03 Umeå, Sweden has certified conformity with the council's directive 2000/14/EC, conformity assessment procedure: Annex VI.

For information relating to noise emissions, refer to Technical data on page 18.

Huskvarna, 2022-10-20

$$ \Delta \cdot \mathrm {d u} $$

Claes Losdal, Development Manager/Garden Products Husqvarna AB

Responsible for technical documentation

UK Declaration of Conformity

We, Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel:

[phone], declare on our sole responsibility that

the product:

Description Lawn Mower
Brand Husqvarna
Type / Model LC 151, LC 151S, LB 251S, LB 256SP
Identification Serial numbers dating from 2022 and onwards

complies fully with the following UK regulations:

Description

The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012

The Supply of Machinery (Safety) Regulations 2008

The Noise Emission in the Environment by Equipment for use Outdoors Regulations 2001, schedule 9

Electromagnetic Compatibility Regulations 2016

and that the following standards and/or technical

specifications are applied: EN ISO 5395-1:2013/

A1:2018, EN ISO 5395-2:2013/A1:2016/A2:2017, EN

ISO 14982:2009, EN IEC 63000:2018

Notified Body: 0404, RISE SMP Svensk Maskinprovning

AB, Box 4053, SE-904 03 Umeå, Sweden has certified

conformity with the council's directive 2000/14/EC,

conformity assessment procedure: Annex VI.

For information relating to noise emissions, refer to

Technical data on page 18.

Huskvarna, 2022-10-20

$$ \Delta \cdot 2 m $$

Claes Losdal, Development Manager/Garden Products

Husqvarna AB

Responsible for technical documentation

UK Importer:

Husqvarna UK Ltd

Preston Road, Co. Durham

DL5 6UP

Съдържание

Claes Losdal, Development Manager/Garden Products, Husqvarna AB

• Extended product information.
  • Information about, and help with, product parts and servicing.

Original instructions

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