Husqvarna DC 900 User manual

DC 900
EN Operator's manual 2-27
DE Bedienungsanweisung 28-55
FR Manuel d'utilisation 56-82
NL Gebruiksaanwijzing 83-108

Contents
Introduction..................................................................... 2
Safety..............................................................................5
Operation........................................................................ 9
Maintenance................................................................. 14
Troubleshooting............................................................ 19
Transportation, storage and disposal........................... 21
Technical data ............................................................. 24
Accessories.................................................................. 26
Declaration of Conformity............................................. 27
Introduction
Product description
The product is a dust collector operated by electric
motors. The product has a primary unit and a fan unit.
The primary unit and the fan unit are connected by an
air hose and a power cord. The product has 2 dust
inlets.
Intended use
WARNING: Do not collect ignition
sources, hot particles, liquids, explosive
material and unstable or pyrophoric
particles.
The product is for professional operations only. The
product is intended for indoor and outdoor use in dry
conditions together with an applicable Husqvarna shot
blaster. The product is used for dry suction of dust and
particles from material removed by the shot blaster. The
material can be dangerous and harmful to health.
Do not use the product for other tasks. Only use the
product with accessories that are approved by the
manufacturer.
22154 - 002 - 25.10.2023

Product overview
22
11
5
1
2
4
3
12
10
17
18
15
16
14
6
8
7
13
21
17
9
19
20
20
20
1. Vacuum gauge
2. Control valve for the pressure tank
3. Safety valve for the pressure tank
4. Manometer
5. Pulse valve
6. Air compressor
7. Air compressor filters
8. Water separator
9. Type plate
10. Silencer with airflow hatch
11. Fan unit
12. Nozzle for pressurized air
13. Filter door
14. Rotating valves
15. Motor for the rotating valves
16. Adjustment nut for the gland seal
17. Air intake
18. Primary filters
19. Handle for transportation
20. Parking brake
21. Electrical enclosure
22. Operator's manual
2154 - 002 - 25.10.2023 3

Control panel overview
6
78
5
4
3
2
1
9
1. Emergency stop button
2. Air compressor ON/OFF button
3. Fan ON/OFF button
4. Rotating valve ON/OFF button
5. Hour meter
6. Indicator for motor failure
7. Indicator for incorrect phase
8. Power indicator
9. Power outlet for fan unit
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.
Lifting point.
Read the manual carefully and make
sure that you understand the instructions
before you use the product.
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 damage
We are not responsible for damages to our product if:
• the product is incorrectly repaired.
42154 - 002 - 25.10.2023

• 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.
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, unless they have been given supervision
or instruction concerning use of the appliance by a
person responsible for their safety.
• 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 6 .
• 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.
• Keep hair, loose clothing and all body parts away
from openings and 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.
• Always use approved accessories. Speak to your
Husqvarna dealer for more information.
• Make sure that the dust extraction hose is correctly
attached to the product with hose clamps and
industrial tape.
• Make sure that the parking brakes are engaged and
that you are in a safe and stable position during
operation.
• Regularly do a check of the contents of the dust
storage system at the bottom of the product. Always
wear a dust mask when you empty the dust storage
system. Comply with the local regulations when you
discard the dust.
• Do not point the dust extraction hose at persons.
• Make sure that there is no grease or oil on the
handles.
2154 - 002 - 25.10.2023 5

• Do not use the product to collect water or liquids.
• Do not use the product to collect hot, burning or
smoking objects.
• Do not use the product to collect flammable or
combustible liquids.
• Do not use the product in collect dangerous dust.
• Immediately stop the product if dust comes out the
filter unit. The primary filters are damaged or not
correctly installed.
• Do not use without dust bag and/or filters in place.
Replace the dust bag and filters system as given in
this manual.
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.
• It is the responsibility of the user to analyse the
surface to be treated. The surface may not contain
any substances which could pose a fire-, explosion
or health risk when 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.
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.
Work area safety
WARNING: Read the warning
instructions that follow before you use the
product.
• Do not use the product in fog, rain, strong winds,
cold weather, risk of lightning or other bad weather
conditions.
• Keep children, bystanders and animals away from
the work area and at a distance of minimum 5 m/17
ft. from the product.
• Make sure that only approved persons are in the
work area.
• Keep work area clean and well lit. Cluttered or dark
areas invite accidents.
• Make sure that rough surfaces, for example welded
seams or floor joints, do not stop the product.
• Make sure that there are no cables or hoses in the
operation direction of the product.
• Make sure that there is sufficient airflow in the work
area.
• Make sure that there are no flammable liquids in the
work area.
62154 - 002 - 25.10.2023

• This appliance is not suitable for use in classified
(hazardous) locations, to pick up dusts or liquids of
high explosion risk, nor mixtures of combustible dust
with liquids.
• Do not pick up anything that is burning or smoking,
such as cigarettes, matches, or hot ashes.
• Do not use to pick up flammable liquids, such as
gasoline, or use in areas where flammable vapors
may be present.
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.
WARNING: Only use the socket outlets
on the product for purposes specified in the
instructions.
CAUTION: The power supply from
the product or generator must be sufficient
and constant to make sure that the motor
operates without problems. Incorrect voltage
causes the power consumption and the
temperature of the motor 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.
• Always disconnect the power plug during a long
product stop.
• Do not use the product if the supply cord or power
plug is damaged. If the supply cord is damaged, it
must be replaced by the manufacturer, its service
agent or similarly qualified persons in order to avoid
a hazard. 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.
• 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.
2154 - 002 - 25.10.2023 7

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
Emergency stop button
The emergency stop button is used to quickly stop the
product and breaks the mains power supply.
To do a check of the emergency stop button
Refer to
Control panel overview 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 11
.
3. Push the emergency stop button.
4. Make sure that the motor stops.
5. Turn the emergency stop button clockwise to
disengage.
Motor protection switch
The product has multiple motor protection switches to
prevent motor overload. Let an electrician do a check
of the motor protection switches if there is a motor
overload.
Safety instructions for maintenance
WARNING: Read the warning
instructions that follow before you do
maintenance on the product.
• Product related accidents can occur during the
troubleshooting, servicing and maintenance as the
operator must be in the risk area of the product. The
operator must be careful, make a plan and prepare
the work to prevent accidents.
• If the maintenance is not done correctly and
regularly, the risk of injury and damage to the
product increases.
• Use personal protective equipment. Refer to
Personal protective equipment on page 6 .
• Disconnect the product from the power source
before you do the maintenance.
• Do not make modifications to the product.
Modifications that are not approved by the
manufacturer can cause serious injury or death.
• Always use original accessories and spare parts.
Accessories and spare parts that are not approved
by the manufacturer, can cause serious injury or
death.
• Replace damaged, worn or broken parts.
• Only do the maintenance as given in this operator's
manual. Let an approved service agent do all other
servicing.
• If the replacement of the supply cord is necessary,
this has to be done by the manufacturer or his agent
in order to avoid a safety hazard.
• Only let an approved electrician do all checks of the
electric components.
• Be careful when you handle the filters. If you
damage the filters, there is a risk of dust dispersion.
• The manufacturer, or an instructed person, must
do a technical inspection at least annually. The
technical inspection includes an inspection of the
filters for damage, air tightness of the product and
correct function of the control mechanism. In addition
the filtration efficiency of the product must be tested
at least annually, or more frequently as may be
specified by national requirements. If the test is not
conducted the main filters must be replaced by new
ones.
• When carrying out service or repair operations, all
contaminated items which cannot be satisfactorily
cleaned are to be disposed of; such items shall be
disposed of in impervious bags in accordance with
any current regulation for the disposal of such waste.
• All the machine parts shall be regarded as
contaminated when removed from the working
82154 - 002 - 25.10.2023

area and appropriate action taken to prevent dust
dispersal.
• The outside of the machine should be
decontaminated by vacuum cleaning methods and
wiped clean or treated with sealant before being
taken out of a working area.
• For user servicing, the machine shall be dismantled,
cleaned and serviced, as far as is reasonably
practicable, without causing risk to the maintenance
staff and others. Suitable precautions include
decontamination before dismantling, provision for
local filtered exhaust ventilation where the machine
is dismantled, cleaning of the maintenance area and
suitable personal protection.
• It is necessary to provide for an adequate AIR
CHANGE RATE ACR in the room if the exhaust
air is returned to the room. Refere to National
regulations.
Operation
Introduction
WARNING: Before you operate the
product, you must read and understand the
safety chapter.
To do before you operate the product
WARNING: To prevent the risk of
injury, make sure that you attach the product
plug fully to the extension cable. Do regular
checks of the connection while you operate
the product to make sure that it is fully
attached. Do not use an extension cable that
makes a loose connection.
WARNING: Read the operator’s
manual of the attached equipment carefully.
If specified requirements or settings are
given for the secondary product, make sure
that you obey these.
1. Read the operator's manual carefully and make sure
that you understand the instructions.
2. Do the daily maintenance. Refer to Maintenance
schedule on page 14 .
3. Make sure that the work area is clean and bright.
4. Use personal protective equipment. Refer to
Personal protective equipment on page 6 .
5. Make sure that the product is installed correctly.
6. Make sure that the frequency and voltage shown on
the type plate agrees with the power supply voltage.
This is also applicable for the extension cables.
7. Engage the parking brake. Refer to
To engage and
disengage the parking brakes on page 10 .
8. Connect the air hose and the power cord of the fan
unit to the primary unit.
9. Attach the 2 dust extraction hoses. Refer to
To
attach the dust extraction hoses on page 10
.
10. Install a BigBag. Put a pallet below the BigBag.
11. Make sure that the power plug is connected
correctly.
2154 - 002 - 25.10.2023 9

Dust collector connection, overview
5
4
21
1
3
1. Two dust extraction hoses, 5 m/16 ft., Ø150 mm/6 in.
2. Y-connector
3. Dust extraction hose, 2 m/7 ft., Ø150 mm/6 in.
4. 2-way valve for dust collector airflow
5. Dust extraction hose, 15 m/50 ft., Ø150 mm/6 in.
To attach the dust extraction hoses
1. Connect the two 5 m/16 ft. dust extraction hoses to
the product with hose clamps and industrial tape.
2. Install the Y-connector, the 2 m/7 ft. dust extraction
hose, the 2-way valve and the 15 m/50 ft. dust
extraction hose. Refer to
Dust collector connection,
overview on page 10 .
3. Put the 15 m/50 ft. dust extraction hose through the
support pipe.
4. Attach the 15 m/ 50 ft. dust extraction hose to the
shot blaster with hose clamps and industrial tape.
To engage and disengage the parking brakes
The parking brakes must be engaged before you start
the product. There are 2 parking brakes on the primary
unit and 2 parking brakes on the fan unit.
1. Push the lock lever (A) down to engage the parking
brake.
A
2. To disengage the parking brake, push the lock lever
up.
Vacuum gauge
The vacuum gauge shows the condition of the primary
filters. If the value on the vacuum gauge is 20 cm H2O or
10 2154 - 002 - 25.10.2023

higher, it is necessary to clean the primary filters. Refer
to To clean the primary filters on page 16 . If the value
on the vacuum gauge is 15 cm H2O or higher after you
clean the primary filters, it is necessary to replace the
primary filters. Refer to
To replace the primary filters on
page 16 .
Pressure tank manometer
The pressure tank manometer shows the pressure in the
pressure tank. The air in the pressure tank cleans the
primary filters. The pressure is around 7 bar/100 PSI
during operation.
Water separator
The water separator removes dirt, oil and water from the
air.
To connect a secondary product
1. Connect the power plug of the secondary product to
an applicable power supply.
2. Make sure that the dust extraction hoses between
the product and the secondary product are
connected with hose clamps and industrial tape.
3. Make sure that the dust extraction hoses are in good
condition and can move freely.
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.
To start the product
1. Do all steps in
To do before you operate the product
on page 9 .
2. Make sure that the airflow hatch on the fan unit is
closed.
3. Make sure that the dust extraction hoses between
the product and the secondary product are attached
correctly.
4. If a warning indicator on the control panel is on, refer
to
Troubleshooting on page 19 .
5. Start the compressor.
6. Start the fan unit and wait until the fan is at full
speed.
2154 - 002 - 25.10.2023 11

7. Start the motor for the rotating valves.
To stop the product
1. If you stop the product temporarily, stop only the fan
unit.
Note: When the air compressor is on during a
short stop, the product cleans the primary filters.
WARNING: Make sure that the
air intake is closed during the product
cleaning cycle. If the air intake is not
closed, dust goes into the air. The dust
particles are dangerous to your health.
2. If you stop the product for more than 1 hour, stop the
fan unit and wait 30 minutes to let the product clean
the primary filters. Then do the steps that follow:
a) Stop the motor for the rotating valves.
b) Stop the air compressor.
c) Disconnect the power plug from the power
supply.
d) Close the airflow hatch on the silencer.
To adjust the suction power
It is necessary to adjust the suction power for example
when the primary filters are new.
• Move the airflow hatches to adjust the suction
power.
a) For less suction power, decrease the opening.
12 2154 - 002 - 25.10.2023

b) For more suction power, increase the opening.
To discard a full BigBag and install a
new BigBag bag
WARNING: Lift the BigBag with
caution. Use lifting equipment. A full BigBag
can be heavy. Make sure that the straps are
closed correctly before you lift the BigBag.
WARNING: Use approved respiratory
protection when you replace the BigBag.
Refer to
Personal protective equipment on
page 6 .
1. Stop the motor for the rotating valves.
2. Remove the funnels of the BigBag from the dust
outlets and close them.
3. Remove the pallet and the BigBag from the product.
4. Obey local regulations for disposal of the full BigBag
bag.
5. Put a new pallet and new BigBag below the product.
6. Install the funnels of the BigBag (A) on the dust
outlets (B).
C
A
B
7. Attach the funnels of the BigBag on the dust outlets
with straps (C).
8. Make sure that the BigBag sits evenly on the pallet.
9. Start the motor for the rotating valves.
To drain the water from the pressure
tank
Water in the pressurized air collects in the pressure
tank. It is necessary to drain the water from the pressure
tank daily.
1. Stop the product. Refer to
To stop the product on
page 12
.
2154 - 002 - 25.10.2023 13

2. Put a container below the water extraction hose (A)
to collect the water.
A
B
3. Open the water valve (B).
4. Close the water valve when all the water is drained.
Maintenance
Introduction
WARNING: Read and understand the
safety chapter before you do maintenance
on the product.
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 Daily Weekly Monthly 12 h after
servicing
Each 3
months Yearly
Make sure that the power plug and extension
cable are in good condition and not dam-
aged.
*
Do a check of the electrical components,
the cables and the connections for wear and
damages.
*
Do a check of the RCD. *
Examine the motors for dirt and damage. *
Empty the drain box. *
Make sure that the dust extraction hoses are
not damaged or blocked. *
Make sure that the air hose to the fan unit is
not damaged or blocked. *
Drain the water from the pressure tank. X
Make sure that the dust extraction hoses are
correctly installed. X
14 2154 - 002 - 25.10.2023

General product maintenance Daily Weekly Monthly 12 h after
servicing
Each 3
months Yearly
Dispose dust from the product. X
Do a check of all safety devices. X
Clean the air compressor filters. Replace if it
is necessary. X
Make sure that there is no dust leakage at
the rotating valve seals. X
Make sure that the noise level from the bear-
ings of the rotating valves is not unusually
high.
*
Examine the drive motor of the rotating
valves for oil leakage. *
Make sure that the rotating valve blades are
not worn and that there is no air leakage.
Replace if it is necessary.
X
Make sure that nuts and screws are tight. *
Clean the filter of the water separator. Re-
place if it is necessary. X
Replace the air compressor filters. X
Replace the filter of the water separator. X
Clean the top section of the filter unit. O
Do a complete servicing and cleaning of the
product. O
To clean the product
• Always clean all the equipment after use. Use a
vacuum cleaner.
• Do not use a high-pressure washer to clean the
product.
• Keep the air openings clean and clear to make
sure that the product always has sufficiently cool
temperature.
To clean the compressor filters
CAUTION: Do not use a high-pressure
washer or water to clean the compressor
filters. Do not hit the filters with force to
clean them. Do not use pressurized air to
clean the compressor filters.
1. Remove the 2 caps and the 2 compressor filters (A).
A
B
2. Clean the 2 compressor filters with a small dust
extractor (B).
3. Install the 2 compressor filters and close the 2 caps.
If you cannot fully clean the compressor filters or if they
are damaged, it is necessary to replace them.
2154 - 002 - 25.10.2023 15

To clean the filter in the water
separator
CAUTION: Do not use a high-pressure
washer to clean the filter. Do not hit the filter
with force to clean it.
1. Remove the filter in the water separator. Refer to To
replace the filter in the water separator on page 16 .
2. Clean the filter with warm water.
3. Dry the filter with pressurized air.
4. Install the filter. Refer to
To replace the filter in the
water separator on page 16
.
To replace the filter in the water separator
1. Stop the product. Refer to To stop the product on
page 12 .
2. Remove the bowl of the water separator (A).
A
B
3. Replace the filter of the water separator (B).
4. Install the bowl of the water separator (A).
To clean the primary filters
WARNING: Always close off the air
intakes when the pulse cleaning cycle runs.
If the air intakes are not closed, dust can
come in to the air. The dust particles are
dangerous to your health.
1. Start the compressor.
2. Start the motor for the rotating valves.
3. Keep the air compressor on for 30 minutes while
the product is not in operation. Pressurized air goes
through the primary filters and cleans them.
To replace the primary filters
WARNING: Always use personal
protective equipment when you replace the
primary filters. Refer to
Personal protective
equipment on page 6 .
There are 20 primary filters in the product. Replace all
filters at the same time.
1. Stop the product. Refer to To stop the product on
page 12
.
16 2154 - 002 - 25.10.2023

2. Remove the 6 locking knobs and the cover of the
filter housing.
3. Remove the nut and washer.
4. Remove the lock bar and tilt the filter brackets down.
5. Pull out the 4 primary filters and put them carefully in
a plastic bag.
WARNING: Be careful when you
remove the primary filters. The particles
in the primary filters are dangerous to
your health.
6. Discard the plastic bag correctly. Refer to local
regulations.
7. Push 4 new primary filters on the filter brackets in to
the filter housing. Install 1 filter at a time. Make sure
that you do not put the edges of the primary filters on
top of each other.
WARNING: If the primary filters are
not installed correctly, dust can go into
the air. The dust particles are dangerous
to your health.
8. Install the lock bar.
9. Install the washer and nut. Make sure that there is
no space between the washer and the nut.
CAUTION: The nut and washer
must be correctly installed on the screw
that holds the lock bar. Dust in the
filter housing can cause damage to the
threads on the screw.
2154 - 002 - 25.10.2023 17

10. Do the same replacement procedure on the other 4
rows of primary filters.
11. Install the cover of the filter housing and the 6
locking knobs.
To adjust the gland seals of the rotating
valves
If there is a leakage of dust at the gland seals, it is
necessary to tighten the gland seals. There are gland
seals on each side of the 2 rotating valves.
1. Stop the product. Refer to
To stop the product on
page 12 .
2. Make sure that the bushings (A) are vertical and not
at an angle.
A
B
C
3. Tighten the nuts (B) a half turn.
CAUTION: Do not tighten the nuts
too much. The gland seals can become
damaged.
4. Make sure that the distance (C) is the same on the
left and the right side.
5. Start the product and make sure that there is no
leakage of dust at the gland seals.
To replace the rotating valve seals
WARNING: Use approved respiratory
protection when you replace the rotating
valve seals. Refer to
Personal protective
equipment on page 6 .
1. Stop the product. Refer to To stop the product on
page 12 .
2. Make sure that the power supply is disconnected.
3. Remove the BigBag and remove the dust outlets.
4. Remove the 4 bolts (A), the clamp strip (B) and the
sealing blade (C) of the rotating valve seal.
C
A
B
5. Remove the 2 bolts on the drive motor plate.
18 2154 - 002 - 25.10.2023

6. Turn the drive motor to until you can remove the next
set of sealing blades.
7. Do the same procedure until all sealing blades are
removed.
8. To install new sealing blades, do these steps for
each set of sealing blades:
a) Apply threadlocker on 4 new bolts.
b) Install a new sealing blade, the clamp strip and
the 4 bolts.
c) Tighten the 2 bolts in the center first, then tighten
the bolts at each end of the clamp strip.
9. Make sure that all sealing blades align with the
housing of the rotating valve and that there is a
minimum clearance.
Troubleshooting
Problem Cause Solution
The filter cleaning
system does not op-
erate correctly.
There is no pressure or not sufficient pres-
sure in the pressure tank.
Do a check of the pneumatic system.
Clean the compressor filters. Refer to To
clean the compressor filters on page 15 .
There is too much water in the pressure tank. Remove all water from the pressure tank.
Refer to To drain the water from the pressure
tank on page 13 .
The Programmable Logic Controller (PLC)
does not operate correctly or the settings are
incorrect.
Speak to an approved service agent.
The compressor filters are dirty. Clean the compressor filters. Refer to To
clean the compressor filters on page 15 .
The BigBag is not attached correctly or has a
leak.
Make sure that the BigBag is attached cor-
rectly and does not have a hole.
The motors are on
but there is no suc-
tion.
The primary filters are dirty. Clean the primary filters. Refer to To clean
the primary filters on page 16 . Replace the
primary filters if it is necessary. Refer to To
replace the primary filters on page 16 .
There is a leakage in the dust collection sys-
tem.
Do a check of the seals in the dust collection
system for leakages. Replace if it is necessa-
ry.
The dust extraction hoses are incorrectly in-
stalled or damaged.
Do a check of the dust extraction hoses. Re-
place if it is necessary.
The indicator for
phase sequence con-
trol is on.
The phases are incorrect. Change the phase sequence at the power
supply.
The indicator for mo-
tor failure is on.
The motor protection switch releases be-
cause of motor overload.
Make sure that you use the correct power
supply.
Let an electrician do a check of the fault.
2154 - 002 - 25.10.2023 19

Problem Cause Solution
Dust comes out in
the air from the air-
flow hatch.
The primary filters are damaged or incorrect-
ly installed.
Do a check of the primary filters. Replace if it
is necessary, refer to To replace the primary
filters on page 16 .
Unusual noises come
from the product.
There are loose screws and nuts. Tighten all screws and nuts.
There is a fault with the bearings. Speak to an approved service agent.
The airflow hatch is damaged. Do a check of the airflow hatch. Replace if it
is necessary.
The pressure in the
pressure tank is less
than 7 bar.
The filter for the water separator is dirty or
damaged.
Clean the filter for the water separator. Re-
place if it is necessary.
The compressor filters are dirty or damaged. Clean the compressor filters. Replace if it is
necessary.
There is a leakage in the tubes. Speak to an approved service agent.
The control valve is damaged. Speak to an approved service agent.
There is no pressure
or not sufficient pres-
sure in the pressure
tank.
The pneumatic system is damaged. Do a check of the pneumatic system.
Error codes
The error codes are shown on the display in the
electrical enclosure. Refer to Product overview on page
3 for information about where the electrical enclosure
is on your product. For error codes that are not shown
in the table, write down the error code and the serial
number of the product. Stop the product and speak to
your local Husqvarna representative.
Note: The codes "nST" and "FSt" are not error
codes. If they show on the display, the product operates
correctly.
Error code Cause Solution
SAFF There is a safety system fault. Speak to your local Husqvarna repre-
sentative.
oCF Inertia, too much workload or me-
chanical blockage causes overcur-
rent.
Make sure that there is no blockage
in the fan.
oHF The temperature of the product is too
high.
Make sure that the ambient tempera-
ture is not too high.
Do a check of the frequency drive
ventilation.
Do a check of the motor load.
oLF The motor current is too high.
Do a check of the setting of the motor
thermal protection. Do a check of the
motor load. Wait for the motor to be-
come cool before restart.
oPF1 The frequency drive output lost 1
phase. Do a check of the connections from
the frequency drive to the motor.
oPF2 The motor lost 3 phases.
20 2154 - 002 - 25.10.2023