Husqvarna 2-20DT User manual

2-20DT
EN Operator's manual 2-32
DE Bedienungsanweisung 33-66
FR Manuel d'utilisation 67-100
NL Gebruiksaanwijzing 101-133

Contents
Introduction..................................................................... 2
Safety..............................................................................5
Operation...................................................................... 10
Maintenance................................................................. 20
Troubleshooting............................................................ 25
Transportation, storage and disposal........................... 26
Technical data ............................................................. 29
Declaration of Conformity............................................. 32
Introduction
Owner responsibility
WARNING: Processing of concrete and
stone by methods such as cutting, grinding
or drilling, especially during dry operation,
generates dust that comes from the material
being processed, which frequently contains
silica. Silica is a basic component of sand,
quartz, brick clay, granite and numerous
other minerals and rocks. Exposure to
excessive amount of such dust can cause:
Respiratory disease (affecting your ability
to breathe), including chronic bronchitis,
silicosis and pulmonary fibrosis from
exposure to silica. These diseases may be
fatal;
Skin irritation and rash.
Cancer according to NTP* and IARC* */
National Toxicology Program, International
Agency for Research on Cancer.
Take precautionary steps:
Avoid inhalation of and skin contact with
dust, mist and fumes.
Wear and ensure that all bystanders
wear appropriate respiratory protection such
as dust masks designed to filter out
microscopic particles. (See OSHA 29 CFR
Part 1926.1153)
To minimize dust emissions use an
appropriate dust extractor.
It is the owner’s/employer’s responsibility that the
operator has sufficient knowledge about how to use the
product safely. Supervisors and operators must have
read and understood the Operator’s Manual. They must
be aware of:
• The product’s safety instructions.
• The product’s range of applications and limitations.
• How the product is to be used and maintained.
National/Local regulations could restrict the use of this
product. Find out what regulations are applicable where
you work before you start using the product.
Product description
The product is a pedestrian-controlled shotblaster
operated by electric motors. The product has 2
blastwheels that throw metal abrasive onto the surface.
The product must be connected to a correct dust
extractor during operation.
Intended use
The product is used to remove layers of paint, sealants
and contaminations. The product can be used on dry,
frost-free horizontal surfaces. For example concrete,
asphalt, stone and steel.
The product is used in commercial operations by
professional operators.
Do not use the product for other tasks.
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Product overview 2-20DT
23
4
1
24
11
22
7
19
16
13
12
5
10
8
9
14
23
17
6
21
20
18
15
1. Control panel
2. Overdrive button
3. Move foward button
4. Speed control dial
5. Abrasive control lever
6. Type plate
7. Separator tray
8. Blasthead with seals
9. V-belt covers
10. Blastmotors
11. Dust extractor connection
12. Separator cover
13. Rear wheels
14. Control cage
15. Chain guard
16. Drive system cover
17. Quick-release pin
18. Drive system motor
19. Drive system lever
20. Steering handle
21. Electrical enclosure. Refer to
Electrical enclosure on
page 4
.
22. Pipe for electrical cable
23. Lever of the lift mechanism
24. Operator's manual
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Electrical enclosure
4
10
11
3
2
5
8
12
1
7
6
9
1. ON/OFF switch
2. OFF button for control panel
3. ON button for control panel
4. Indicator lamp of control panel
5. Warning lamp of blastmotor protection/fault in power
supply
6. Indicator lamp of blastmotors
7. Ammeters
8. Hour meter
9. ON button for blastmotors
10. OFF button of blastmotors
11. ON/OFF button for worklight
12. Emergency stop button
Symbols on the product
Warning: This product can be dangerous
and cause serious injury or death to the
operator or others. Be careful and use the
product correctly.
High voltage.
Keep all parts of your body away from hot
surfaces.
Lifting point.
Keep hands away from rotating parts.
Read the manual carefully and make
sure that you understand the instructions
before you use the product.
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Use an approved respiratory protection.
Use approved hearing protection.
Use approved eye protection.
Use approved protective gloves.
Use approved protective boots.
This product is in compliance with
applicable EU directives.
Note: Other symbols/decals on the product refer to
special certification requirements for some markets.
Type plate
XX
XX
13
11
10
12
21 3 4
6
5
8
9
7
1. Product number
2. Product weight
3. Rated power
4. Rated voltage
5. Enclosure
6. Rated current
7. Frequency
8. Maximum slope angle
9. Manufacturer
10. Scannable code
11. Production year
12. Model
13. Serial number
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
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.
2037 - 002 - 06.04.2023 5

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 a dangerous tool if you are not
careful or if you use the product incorrectly. This
product can cause serious injury or death to the
operator or others. Before you use the product,
you must read and understand the contents of this
operator’s manual.
• This product is not intended for use by persons
(including children) with reduced physical, sensory
or mental capabilities, or lack of experience and
knowledge.
• Save all warnings and instructions.
• Comply with all applicable laws and regulations.
• The operator and the employer of the operator must
know and prevent the risks during operation of the
product.
• Do not let a person operate the product unless they
read and understand the contents of the operator's
manual.
• Do not operate the product unless you receive
training before use. Make sure that all operators
receive training.
• Do not let a child operate the product.
• Only let approved persons operate the product.
• The operator is responsible for accidents that occur
to other persons or their property.
• Do not use the product if you are tired, ill, or under
the influence of alcohol, drugs or medicine.
• Always be careful and use your common sense.
• Keep the product clean. Make sure that you can
clearly read signs and decals.
• Do not use the product if it is damaged or does not
operate correctly.
• Do not do modifications to this product.
• Do not operate the product if it is possible that other
persons have done modifications to the product.
Safety instructions for operation
WARNING: Read the warning
instructions that follow before you use the
product.
• Use personal protective equipment. Refer to
Personal protective equipment on page 7 .
• Overexposure to vibration can cause circulatory
damage or nerve damage to persons with decreased
blood circulation. Get medical aid if you have
symptoms of overexposure to vibration. These
symptoms include numbness, loss of feeling,
tingling, pricking, pain, loss of strength, changes
in skin color or condition. These symptoms usually
show in the fingers, hands or wrists.
• Do not operate the product without all protective
covers installed.
• Make sure that you know how to stop the motor
quickly in an emergency.
• Before you go away from the product, stop the motor
and disconnect the power cord. Make sure that there
is no risk of accidental start.
• Make sure that clothing, long hair and jewelry do not
get caught in moving parts
• Make sure that you are in a safe and stable position
during operation.
• Make sure that there are no loose bolts and nuts.
• Do not lift or tilt the blasthead during operation.
Abrasive comes out of the product at high speed and
can cause injury. Always disconnect the power plug
before you lift or tilt the product.
• Make sure that the separator and separator tray are
closed during operation.
• Do not operate the product unless you can get aid if
an accident occurs.
• Always use approved accessories. Speak to your
HUSQVARNA dealer for more information.
• If vibrations occur in the product or the noise level
from the product is unusually high, stop the product
immediately. Disconnect the power plug. Examine
the product for damages. Repair damages or let an
approved service agent do the repair.
• Always connect the product to a dust extractor for
removal of the dust.
• Do not pull the hose of the dust extractor. The
product can fall and cause injury or damage.
• Keep the dust extractor on until the motor stops fully.
• Only operate the product from behind with your hand
on the handlebar.
• Make sure that there is no grease or oil on the
handles.
• Make sure that the the brush list seals are installed
in the correct height.
• Make sure that the the magnetic seals are installed
in the correct height.
• Always use approved abrasive. Refer to
Approved
abrasive on page 30
. Speak to your HUSQVARNA
dealer for more information.
• Make sure that the blastmotors have correct
direction of rotation. The correct direction of rotation
is given with an arrow on the motor fan covers.
Vibration safety
WARNING: Read the warning
instructions that follow before you use the
product.
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• During operation of the product, vibrations go from
the product to the operator. Regular and frequent
operation of the product can cause or increase the
degree of injuries to the operator. Injuries can occur
in fingers, hands, wrists, arms, shoulders, and/or
nerves and blood supply or other body parts. The
injuries can be debilitating and/or permanent, and
can increase gradually during weeks, months or
years. Possible injuries include damage to the blood
circulation system, the nervous system, joints, and
other body structures.
• Symptoms can occur during operation of the product
or at other times. If you have symptoms and
continue to operate the product, the symptoms can
increase or become permanent. If these or other
symptoms occur, get medical aid:
• Numbness, loss of feeling, tingling, pricking,
pain, burning, throbbing, stiffness, clumsiness,
loss of strength, changes in skin color or
condition.
• Symptoms can increase in cold temperatures. Use
warm clothing and keep your hands warm and dry
when you operate the product in cold environments.
• Do maintenance on and operate the product as
given in the operator's manual, to keep a correct
vibration level.
• The product has a vibration damping system that
decreases the vibrations from the handles to the
operator. Let the product do the work.
• Keep your hands on the handle or handles only.
Keep all other body parts away from the product.
• Stop the product immediately if strong vibrations
suddenly occurs. Do not continue the operation
before the cause of the increased vibrations is
removed.
Dust safety
WARNING: Read the warning
instructions that follow before you use the
product.
• Operation of the product can cause dust in the
air. Dust can cause serious injury and permanent
health problems. Silica dust is regulated as harmful
by several authorities. These are examples of such
health problems:
• The fatal lung diseases chronic bronchitis,
silicosis and pulmonary fibrosis
• Cancer
• Birth defects
• Skin inflammation
• Use correct equipment to decrease the quantity of
dust and fumes in the air and to decrease dust on
work equipment, surfaces, clothing and body parts.
Example of controls are dust collection systems.
Decrease dust at the source where possible. Make
sure that the equipment is correctly installed and
used and that regular maintenance is done.
• Use approved respiratory protection. Make sure
that the respiratory protection is applicable for the
dangerous materials in the work area.
• Make sure that the airflow is sufficient in the work
area.
Noise safety
WARNING: Read the warning
instructions that follow before you use the
product.
• High noise levels and long-term exposure to noise
can cause noise-induced hearing loss.
• To keep the noise level to a minimum, do
maintenance on and operate the product as given
in the operator's manual.
• Use approved hearing protection while you operate
the product.
• Listen for warning signals and voices when you use
hearing protection. Remove the hearing protection
when the product is stopped, unless hearing
protection is necessary for the noise level in the work
area.
Personal protective equipment
WARNING: Read the warning
instructions that follow before you use the
product.
• Always use approved personal protective equipment
when you operate 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 correct
personal protective equipment and when to use
them.
• Regularly do a check of the condition of the personal
protective equipment.
• Use approved hearing protection.
• Use approved respiratory protection.
• Use approved eye protection with side protection.
• Use protective gloves.
• Use boots with steel toe-cap and non-slip sole.
• Use approved work clothing or equivalent close-
fitting clothing that has long sleeves and long legs.
Fire extinguisher
• Keep a fire extinguisher near during operation.
• Use a powder fire extinguisher or a carbon dioxide
fire extinguisher.
Work area safety
WARNING: Read the warning
instructions that follow before you use the
product.
2037 - 002 - 06.04.2023 7

• It is the responsibility of the user to analyse the
surface to be treated. The user should make a risk
assessment on the basis of the information obtained
about the surface to be treated and take proper
precautions for the work to be performed.
• Do not use the product in fog, rain, strong winds,
cold weather, risk of lightning or other bad weather
conditions.
• Look out for persons, objects and situations that can
prevent safe operation of the product.
• Do not use the product in areas where fire or
explosions can occur. The product creates sparks
and flammable material can create ignition with the
dust or fumes.
• Keep children, bystanders and animals away from
the work area and at a safe distance from the
product. Safe distance is 15 m.
• Make sure that bystanders and animals are not
in the work area and at a safe distance from the
product.
• Make sure that only approved persons are in the
work area.
• Keep the work area clean and fully illuminated.
Cluttered or dark areas invite accidents.
• Remove objects such as screws, bolts, wires and
stones from the work area before you use the
product.
• Make sure that there are no cables or hoses in the
operation direction of the product.
• Make sure that uneven surfaces, such as welded
seams or floor joints, do not stop the product.
• Make sure that there is sufficient airflow in the work
area.
Electrical safety
WARNING: There is always a risk of
shocks from electrical products. Do not use
the product in bad weather conditions. Do
not touch lightning conductors and metal
objects. Always use the product as given in
this operator’s manual to prevent injury.
WARNING: Always use a power supply
with RCD (residual-current device). An RCD
decreases the risk of electrical shock.
WARNING: High voltage. There are
unprotected parts in the power unit. Always
disconnect the power plug before you open
the door to the electrical box.
CAUTION: The power supply from the
product or generator must be sufficient and
constant to make sure that the motors
operate without problems. Incorrect voltage
causes the power consumption and the
temperature of the motors to increase until
the safety circuit releases. The dimension
of the power cord must agree with national
and local regulations. The dimension of the
mains socket must agree with the amperage
for the electrical socket and extension cable
of the product.
If the power mains has higher system
resistance, short voltage drop can occur
when the product is started. This can
influence the operation of other products, for
example flicker on the lights.
• The power plug must match the outlet. Never modify
the plug in any way. Do not use any adapter plugs
with earthed (grounded) power tools. Unmodified
plugs and matching outlets will reduce risk of electric
shock.
• Avoid body contact with earthed or grounded
surfaces, such as pipes, radiators, ranges and
refrigerators. There is an increased risk of electric
shock if your body is earthed or grounded.
• Make sure that the power, fuse and mains voltage
are the same as the voltage shown on the rating
plate of the product.
• Always stop the product before you disconnect the
power plug.
• Make sure that the ON/OFF switch is in OFF position
before the product is connected to the power supply.
• Always disconnect the power plug during a long
product stop.
• Do not use the product if the power cord or power
plug is damaged. Let an approved service center
82037 - 002 - 06.04.2023

repair the product. A damaged power cord can
cause serious injury and death.
• Use the power cord correctly. Do not use the power
cord to move, pull or disconnect the product. Pull the
power plug to disconnect the power cord. Do not pull
the power cord.
• Only operate the product on dry surfaces.
• Keep the product away from rain. Water that goes
into the product increases the risk of electrical shock.
• Always disconnect the power cord before you
connect or disconnect the connection for the motor
cable and the electrical enclosure.
• In order to avoid a hazard due to inadvertent
resetting of the thermal cut-out, this appliance
must not be supplied through an external switching
device, such as a timer, or connected to a circuit that
is regularly switched on and off by the utility.
• Make sure that the power supply for the product is
supplied by separate transformers that are used for
industrial purpose only.
Grounded product instructions
WARNING: Incorrect connection can
result in electrical shock. Speak to an
approved electrician if you are not sure if
your mains outlet is correctly grounded.
Do not do modifications to the power plug
from its factory specification. If the power
plug or power cord is damaged or must
be replaced, speak to your HUSQVARNA
service agent. Obey local regulations and
laws.
If you do not fully understand the
instructions about the grounded product,
speak to an approved electrician.
Use only grounded outdoor extension cables with
grounding plugs and grounding outlet that accepts the
product power plug.
The product has a grounded power cord and power
plug. Always connect the product to a grounded mains
outlet. This decreases the risk of electrical shock.
Do not use electrical adapters with the product.
Extension cables
• Use only approved extension cables with applicable
properties.
• The rated value on the extension cable must be the
same or higher than given on the rating plate of the
product.
• Use grounded extension cables.
• When you operate the product outdoors, use
an extension cable that is applicable for outdoor
operation. This decreases the risk of electrical
shock.
• Keep the connection to the extension cable dry and
off the ground.
• Keep the extension cable away from heat, oil, sharp
edges or moving parts. A damaged cable increases
the risk of electrical shock.
• Make sure that the extension cable is in good
condition and not damaged.
• Do not use the extension cable while it is wound up.
This can cause the extension cable to become too
hot.
• Make sure that the extension cable is out of the
way and the product during operation. This prevents
damage to the extension cable.
Safety devices on the product
WARNING: Read the warning
instructions that follow before you use the
product.
• Do not use the product if the safety devices are
damaged or does not operate correctly.
• Do a check of the safety devices daily. If your safety
devices are damaged or does not operate correctly,
speak to your HUSQVARNA service agent.
• Do not make modifications on safety devices
ON/OFF switch
The ON/OFF switch is used to start and stop the power
supply to the product.
To do a check of the ON/OFF switch
Refer to
Electrical enclosure on page 4 for information
about where the ON/OFF switch is on your product.
1. Turn the emergency stop button clockwise to make
sure that the emergency stop button is disengaged.
2. Turn the ON/OFF switch to ON postion.
3. Make sure that the power supply starts.
4. Turn the ON/OFF switch to OFF position.
5. Make sure that the power supply stops.
ON/OFF buttons of the control panel
The ON/OFF buttons of the control panel are used to
engage and disengage the control panel.
To do a check of the ON/OFF buttons of the control
panel
Refer to
Electrical enclosure on page 4 for information
about where the ON/OFF buttons are on your product.
1. Turn the emergency stop button clockwise to make
sure that the emergency stop button is disengaged.
2. Turn the ON/OFF switch to ON position.
3. Push the ON button of the control panel.
2037 - 002 - 06.04.2023 9

4. Make sure that the indicator lamp of the control
panel comes on.
5. Push the OFF button of the control panel. Make sure
that the indicator lamp goes off.
6. Turn the ON/OFF switch to OFF position.
ON/OFF buttons of the blastmotors
The ON/OFF buttons of the blastmotors are used to start
and stop the blastmotors. Refer to
To do a check of the
ON/OFF buttons of the blastmotors on page 10
.
To do a check of the ON/OFF buttons of the blastmotors
Refer to Electrical enclosure on page 4 for information
about where the ON/OFF buttons are on your product.
1. Turn the emergency stop button clockwise to make
sure that the emergency stop button is disengaged.
2. Start the product. Refer to
To start the product on
page 16
.
3. Push the ON button of the blastmotors.
4. Make sure that the blastmotors starts and the
indicator lamp comes on. Refer to
Electrical
enclosure on page 4 .
5. Stop the blastmotors. Refer to To stop the product
on page 20
.
6. Make sure that the blastmotors stops when you push
the OFF button.
Ammeters
The ammeter shows the blast load onto the surface. The
maximum amperage is shown above the ammeters.
To do a check of the ammeters
Refer to
Electrical enclosure on page 4 for information
about where the ammeter is on your product.
1. Start the product. Refer to
To start the product on
page 16 .
2. Wait until the ammeters are in idle position.
3. Stop the product. Refer to
To stop the product on
page 20
.
Emergency stop button
The emergency stop button is used to quickly stop the
motors.
To do a check of the emergency stop button
Refer to Electrical enclosure on page 4 for information
about where the emergency stop button is on your
product.
1. Turn the emergency stop button clockwise to make
sure that the emergency stop button is disengaged.
2. Start the product. Refer to To start the product on
page 16
.
3. Push the emergency stop button.
4. Make sure that the motors stop.
5. Turn the emergency stop button clockwise to
disengage.
Safety instructions for maintenance
WARNING: Read the warning
instructions that follow before you use the
product.
• Only do the maintenance as given in this operator's
manual. Let an approved service agent do all other
servicing.
• If the maintenance is not done correctly and
regularly, the risk of injury and damage to the
product increases.
• Clean the product to remove dangerous material
before you do the maintenance.
• Do the maintenance of the product on stable level
ground. Make sure that the product cannot move.
• Do not make modifications to the product.
Modifications that are not approved by the
manufacturer can cause serious injury or death.
• Replace damaged, worn or broken parts.
• Do not use a pressure washer to clean the product.
• Only use lint-free cleaning cloths.
• Always use original accessories and spare parts.
Accessories and spare parts that are not approved
by the manufacturer, can cause serious injury or
death.
• After maintenance, do a check of the vibration level
in the product. If it is not correct, speak to an
approved service agent.
• Let an approved service agent do servicing on the
product regularly.
Operation
Introduction
WARNING: Before you operate the
product, you must read and understand the
safety chapter.
To do before you operate the product
1. Read the operator's manual carefully and make sure
that you understand the instructions.
2. Read the operator's manual for the dust extractor
carefully and make sure that you understand the
instructions.
10 2037 - 002 - 06.04.2023

3. If the product is operated in connection with a power
source, make sure that you read and understand the
operator's manual of that power source.
4. Use personal protective equipment. Refer to
Personal protective equipment on page 7 .
5. Make sure that only approved persons are in the
work area.
6. Do daily maintenance. Refer to Maintenance
schedule on page 20
.
7. Make sure that the product is assembled correctly
and is not damaged.
8. Make sure that all bolts, screws and nuts are
tightened.
9. Make sure that the blastwheels, feed spouts, liners
and sealings are not damaged or worn out. Replace
the parts when 75% of the blade thickness has been
worn away.
10. Make sure that the separator is not damaged.
11. Make sure that the separator is filled with abrasive
up to the separator tray.
12. Put the product on the work area. Make sure that the
surface is level. Make sure that the transportation of
the product to and in the work area is done safely
and correctly. Refer to
Transportation on page 26 .
13. Connect a dust extractor to the product. Refer to
To
connect a dust extractor on page 15 .
14. Make sure that the ON/OFF switch is in OFF position
before you connect the product to a power supply.
15. Connect the product to a power source. Refer to
To
connect the product to a power source on page 16 .
16. Make sure that the brush list seals are in the correct
height above the surface. Refer to
To set correct
height of the brush list seals on page 14 .
17. Make sure that the magnetic seals are in the correct
height above the surface. Refer to
To set correct
height of the magnetic seals on page 13
.
Drive system
The drive system is used during operation and allows
the product to be moved around with the traction wheel.
Refer to
To move the product with the drive system on
page 27
.
Always engage the drive system during operation.
To engage the drive system
WARNING: Keep your hands away
from rotating parts. Be very careful when
you attach the quick release pin.
Install the quick-release pin to engage the drive system.
The quick-release pin is found above the traction wheel.
Refer to
Product overview 2-20DT on page 3 .
1. Turn the ON/OFF switch to ON.


2. Push the abrasive control lever (A) to close the
abrasive valve. Push the OFF button to stop the
blastmotors.

B
A

3. Set the movement speed to the lowest possible,
approximately 0.5.


2037 - 002 - 06.04.2023 11

4. Open the drive chain cover.


5. Install the quick-release pin. Push and hold the
quick-release pin with a finger.


6. Use your other hand to operate the drive system
lever.


The quick-release pin locks into position when the
drive system is engaged.
7. Close the drive chain cover.


8. To disengage the drivesystem, refer to To disengage
the drive system on page 12
.
To disengage the drive system
CAUTION: Only disengage the drive
system when the product is parked on level
surface.
If it is necessary to move the product manually with
the motor off, the drive system must be disengaged.
Remove the quick-release pin to disengage the drive
system.
1. Park the product on level surface and stop the
product.
2. Disconnect the power supply.
3. Open the drive chain cover.


4. Pull out the quick-release pin.
5. Put the quick-release pin in the storage position.
12 2037 - 002 - 06.04.2023

6. Close the drive chain cover.


Abrasive valves
The abrasive valves controls the flow of the abrasive
shots to the blastwheels. The adjustment of the abrasive
valves is shown on the ammeters. Refer to
Electrical
enclosure on page 4 .
The abrasive valves are adjusted with the abrasive
control lever. Refer to
To operate the abrasive valves
on page 13 .
To operate the abrasive valves
CAUTION: Only open the abrasive
valves when the blast motors are in
operation.
1. Pull the abrasive control lever to open the abrasive
valves and adjust the flow of abrasive shot.


2. Push the abrasive control lever to close the abrasive
valves and adjust the flow of the abrasive shot.


Abrasive seal
The abrasive seal makes sure that the abrasive stays
in the product during operation. The abrasive seal has
magnetic seals (A) on the sides and in front of the
blast housing. Brush lists (B) are attached around the
magnetic seals.
The skid seal (C) moves on the surface.
B
A
C
To set correct height of the magnetic
seals
The correct height adjustment of the magnetic seals is
8-10 mm from the surface.
2037 - 002 - 06.04.2023 13

1. Turn the 2 adjustment screws at the front to set the
correct height.
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
2. Turn the 2 adjustment screws at the rear to set the
correct height.
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
To set correct height of the brush list
seals
The correct height adjustment of the brush lists is 1 mm
from the surface.
1. Loosen the screws that holds the brush list.


2. Adjust the height of the brush list.
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
Abrasive
Speak to your HUSQVARNA dealer for the selection
of correct abrasive for your surface operation. Refer to
Approved abrasive on page 30 .
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Abrasive separator
The abrasive separator makes the abrasive free
from contamination. The abrasive separator holds the
abrasive and supplies the blastwheels with abrasive.
The separator tray keeps contamination away from the
abrasive and the blastwheels.
To fill the product with abrasive
WARNING: Always use personal
protective equipment during operation. Refer
to
Personal protective equipment on page 7 .
1. Make sure that the abrasive valve is closed. Rfer to
To operate the abrasive valves on page 13 .
2. Lift the handle to open the separator.


3. Open the separator tray and remove all
contaminations when you fill abrasive or when
necessary.


4. Fill the separator with abrasive up to the separator
tray. Fill abrasive when necessary.
To connect a dust extractor
WARNING: Do not use the dust
extractor if the dust extractor hose is
damaged. The risk increases that you
breathe in dust that is dangerous to your
health. Use approved respiratory protection.
1. Examine the dust extractor hose for damages.
2. Make sure that the filters in the dust extractor are
clean and not damaged.
2037 - 002 - 06.04.2023 15

3. Attach the dust extractor hose safely to the
connection for dust extractor. Connect the attached
parts with the supplied tool and industrial tape.


To connect the product to a power
source
1. Connect the power plug of the product to a grounded
mains outlet or other power source.
2. Make sure that the mains voltage agrees with the
type plate on the product.
Warning lamp of the blastmotors
protection and fault power supply
The warning lamp of the blastmotors protection comes
on when there is a fault in the power supply. The
blastmotors can not start when the lamp is on.
Disengage the blastmotors protection to start the
blastmotors. Refer to
To disengage the blastmotors
protection on page 16 .
To disengage the blastmotors
protection
1. Change the phases position.
2. Do a check of the warning lamp of the blastmotors
protection. If the ligth is still on, the power supply is
not correct.
3. Do a check of motors protection switch in the
electrical enclosure.
4. Do a check of the warning lamp of the blastmotors
protection. If the ligth is still on, the power supply is
not correct.
5. Do a check of all phases with a multimeter. Connect
the missing phases.
6. Start the blastmotors. Refer to
To start the product on
page 16 .
7. Do a check of the warning lamp of the blastmotors
protection. If the ligth is still on, speak to your
HUSQVARNA service agent.
To select the correct speed
It is important to do the operation with correct drive
speed for best result. If the surface has different quality,
adjust the drive speed for an equal result. Examine the
result and adjust the speed if it is necessary.
• Turn the speed control dial clockwise to increase the
speed.
• Turn the speed control dial counterclockwise to
decrease the speed.
a) Use drive speed 6–10 on concrete surfaces for
light treatment.
b) Use drive speed 0–5 on concrete surfaces for
heavy treatment.
c) Use drive speed 0–2 on steel surfaces.
To start the product
1. Connect the product to a power supply. Refer to
To
connect the product to a power source on page 16
.
2. Start the dust extractor. Refer to the operator's
manual of the dust extractor.
3. Attach the dust extractor hose to the product. Refer
to
To connect a dust extractor on page 15 .
4. Turn the emergency stop button clockwise to make
sure that the emergency stop button is disengaged.
5. Set the ON/OFF switch on the electrical enclosure in
the ON position.
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
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6. Push the ON button to start the control panel.
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
7. Engage the drive system. Refer to To engage the
drive system on page 11 .
8. Push the ON button to start the blastmotors.
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
9. Wait until the ammeters are in idle position.
10. Turn the speed control dial to set the drive speed.


To operate the product
WARNING: This product is for
rearward operation only. Do not move the
product forward during operation.
WARNING: Do not lift the blasthousing
during operation. Abrasive comes out of the
product at high speed and can cause injury.
1. Make sure that the work area is safe. Refer to Work
area safety on page 7 .
2. Fill the abrasive separator with abrasive. Fill the
separator with abrasive when necessary. Refer to
To
fill the product with abrasive on page 15 .
3. Start the product. Refer to
To start the product on
page 16 .
4. Engage the drive system. Refer to
To engage the
drive system on page 11 .
5. Operate the drive system lever.
6. Pull the abrasive control lever to open the abrasive
valve. Refer to
To operate the abrasive valves on
page 13 .
2037 - 002 - 06.04.2023 17

7. After 2 m, close the abrasive valve and stop the
product.
8. Do a check of the blast pattern. Adjust the blast
pattern if necessary. Refer to To adjust the blast
pattern on page 18
.
9. Select the correct speed. Refer to To select the
correct speed on page 16 .
10. Move the product (A) in parallel tracks. The dust
extractor (B) must be connected to the product (A)
by the dust extractor hose (C).
B
C
A
Blast pattern
The blast pattern (A) is the surface that has received
treatment.
A
For a good result the hotspots must be in the center of
the blast pattern. If the hotspot is too far to the left or
to the right, turn the control cage. Refer to
To adjust the
blast pattern on page 18 .
These are the conditions that have effect on the blast
pattern:
• The direction of rotation of the blastwheel is correct.
• Increased wear on the blastwheel, impeller and
control cage.
• The dimension of the abrasive. The blast pattern
must be adjusted when you change dimension.
• The position of the lateral window in the control
cage.
• Different types and hardness of the surface.
To adjust the blast pattern
WARNING: Do not adjust, loosen
or touch the cage clamps, feed spout
and blastwheel when the product is on.
Disconnect the power supply when you
adjust the blast pattern.
WARNING: Use personal protective
equipment when you adjust the blastpattern.
Refer to
Personal protective equipment on
page 7 .
1. Disconnect the power plug.
2. Remove the feed spout.


3. Loosen the cage clamps (A) that holds the control
cage (B) in position.

AB

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4. Examine the position of the control cage window.


5. Turn the left control cage (B) clockwise, if the
hotspot is too much in the middle.Turn the right
control cage (B) counterclockwise, if the hotspot is
too much in the middle


6. Turn the left control cage (B) counterclockwise, if the
hotspot is too much on the left side. Turn the right
control cage (B) clockwise, if the hotspot is too much
on the right side.


7. Make sure that the hotspots are equaly applied on
the surface for correct adjustment.


8. Tighten the cage clamps when the control cage is in
correct position.
9. Attach the feedspout.
2037 - 002 - 06.04.2023 19

To stop the product
1. Push the abrasive control lever to close the abrasive
valve. Refer to
To operate the abrasive valves on
page 13 .
2. Push the OFF button to stop the blast motors.


3. Turn the ON/OFF switch to OFF position.


4. Disconnect the power plug from the power supply.
5. Stop the dust extractor. Refer to the operator's
manual of the dust extractor.
Maintenance
Introduction
WARNING: Before you do
maintenance, you must read and
understand the safety chapter.
WARNING: Use personal protective
equipment when you do servicing and
maintenance. Refer to
Personal protective
equipment on page 7 .
WARNING: Before you do the
maintenance, stop the motors and
disconnect the power plug from the power
source. Make sure that all drives stop.
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.husqvarnaconstruction.com.
Maintenance schedule
* = General maintenance done by the operator. The
instructions are not given in this operator's manual.
X = The instructions are given in this operator's manual.
O = The instructions are not given in this operator's
manual. Let an approved service agent do the
maintenance.
General product maintenance Each 3 h Daily 12 h after
service
Each 3
months Yearly
Make sure that nuts and screws
are tight. * *
Make sure that the power plug
and extension cable are in
good condition and not dam-
aged.
*
20 2037 - 002 - 06.04.2023