Nilfisk-Advance CFM 3707/10 Manual

Instructions for Use Manual
Nilsk CFM 3707/10
Nilsk CFM 3907
Nilsk CFM 3907/18
4/2009
C340

3707/10 - 3907 - 3907/18
04/2009 3C340
Table of contents
Operating instructions................................................................................................................................................... 4
Operator safety ............................................................................................................................................ 4
General information about use of the vacuum cleaner ................................................................................ 4
Proper uses.................................................................................................................................................. 4
General recommendations........................................................................................................................... 5
Description of the vacuum cleaner - Labels................................................................................................. 6
Optional kits ................................................................................................................................................. 6
Accessories.................................................................................................................................................. 6
Packing and unpacking................................................................................................................................ 7
Connection to the power supply................................................................................................................... 7
Extensions.................................................................................................................................................... 7
Wet and dry applications.............................................................................................................................. 8
Maintenance and repairs.............................................................................................................................. 8
Technical data - Dimensions ........................................................................................................................ 9
Controls, indicators and connections ......................................................................................................... 10
Inspections prior to starting........................................................................................................................ 10
Starting up.................................................................................................................................................. 10
Operating the vacuum................................................................................................................................ 10
Cleaning the main lter .............................................................................................................................. 10
Emergency stopping ...................................................................................................................................11
Emptying the container ...............................................................................................................................11
At the end of a cleaning session .................................................................................................................11
Maintenance, cleaning and decontamination............................................................................................. 12
How to disassemble and replace the main and Hepa lters ...................................................................... 12
Main lter replacement............................................................................................................................... 12
Hepa/Ulpa lter replacement...................................................................................................................... 13
Inspecting and cleaning the motor cooling fan........................................................................................... 13
Seal inspection........................................................................................................................................... 13
Cleaning and replacing the separator ........................................................................................................ 13
Disposal of the machine............................................................................................................................. 13
Wiring diagrams ......................................................................................................................................... 14
Recommended spare parts........................................................................................................................ 14
Troubleshooting ......................................................................................................................................... 14

3707/10 - 3907 - 3907/18
GB
C340 404/2009
Operating instructions
Read the operating instructions and comply with the important safety recommendations identied by the words:
WARNING!
WARNING!
Improper connection of the equipment-grounding conductor can
result in a risk of electric shock. Check with a qualied electrician
or service person if you are in the doubt as to whether the outlet
is properly grounded. Do not modify the plug provided with the
appliance-if it will not t the outlet, have a proper outlet installed
by a qualied electrician.
Make sure that the appliance is connected to an outlet having the
same conguration as the plug. No adapter should be used with
this appliance. If the appliance must be reconnected for use on a
different type of electric circuit, the reconnection should be made
by a qualied service personnel.
General information about use of the vacuum
cleaner
Use of the vacuum cleaner is governed by the laws in force in the
country where it is used.
Besides the operating instructions and the laws in force in
the country where the vacuum cleaner is used, the technical
regulations for ensuring safe and correct work must also be
observed. Do not carry out any work that could jeopardize the
safety of people, property and the environment.
Comply with the safety recommendations in this instruction
manual.
Proper uses
This appliance is suitable for collective use, e.g. in hotels,
schools, hospitals, factories.
The vacuum cleaners described in this instruction manual are
appliances designed for industrial use. They are produced in
different versions and for different applications.
Operator safety
WARNING!
Before starting the vacuum cleaner, it is absolutely
essential to read these operating instructions and to
keep them ready at hand for consultation.
The vacuum cleaner can only be used by people who
are familiar with the way it works and who have been
explicitly authorized and trained for the purpose.
Before using the vacuum cleaner, operators must be
informed, instructed and trained on how to work it and
for which substances its usage is permitted including
the safe method for removing and disposing of the
vacuumed material.
To reduce the risk of re, electric shock, or injury:
• Do not leave appliance when plugged in. Unplug from outlet
when not in use and before servicing.
• To reduce the risk of electrical shock, do not use outdoors or
on wet surfaces.
• Do not allow this appliance to be used as a toy. This machine
is for adult-use only.
• Use only as described in this manual. Use only the
• manufacturer’s recommended attachments.
• Do not use with damaged cord or plug. If appliance is not
working as it should, has been dropped, damaged, left
outdoors or dropped into water, return it to a service center.
• Do not pull or carry by the cord, use cord as a handle, close
a door on cord, or pull cord around sharp edges or corners.
Do not run the appliance over the cord. Keep cord away from
heated surfaces.
• Do not unplug by pulling on cord. To unplug, grasp the plug,
not the cord.
• Do not handle plug, cord or appliance with wet hands.
• Do not put any object into the openings. Do not use with any
opening blocked; keep free from dust, lint, hair, and anything
that may reduce airow.
• Keep hair, loose clothing, ngers, and all parts of the body
away from openings and moving parts.
• Turn off all controls before unplugging.
• Use extra care when cleaning stairs.
• Do not use to pick up ammable or combustible liquids such
as gasoline or use in areas where they may be present.
• Do not pick up anything that is burning or smoking, such as
cigarettes, matches, or hot ashes, or any hazardous dusts.
• Do not use without dust bag/or lters in place.
• Connect to a properly grounded outlet only. See grounding
instructions.
GROUNDING INSTRUCTIONS
This appliance must be grounded. If it should malfunction or
breakdown, grounding provides a path of least resistance for
electric current to reduce the risk of electric shock. This appliance
is equipped with a cord that has an equipment-grounding
conductor and grounding plug. The plug must be inserted into
an appropriate outlet that is properly installed and grounded in
accordance with all local codes and ordinances.

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04/2009 5C340
General Recommendations
WARNING!
Risk of re outbreaks and explosions.
– The vacuum cleaner can only be used when it is certain
that active sources of ignition are not going to be
vacuumed.
– It is forbidden to vacuum the following materials:
burning materials (hot ashes, lighted cigarettes, etc.),
ammable liquids, aggressive fuels (e.g. gasoline,
solvents, acids, alkaline solutions, etc.).
– It is forbidden to vacuum the following materials:
explosive dusts or ones liable to ignite spontaneously
(such as magnesium or aluminium dusts, etc.).
– The vacuum cleaner is not suitable for vacuuming
explosive or similar substances, as established by the
laws governing explosive substances, particularly:
liquid fuels and mixtures of ammable dusts and
liquids.
WARNING!
Emergency
If an emergency situation occurs:
– lter breakage;
– re outbreak;
– short-circuit;
– motor block;
– electric shock;
– etc.,
turn off the vacuum cleaner, unplug it and ask for assistance
from specialized personnel.
WARNING!
The vacuum cleaners must not be used or stored outdoors,
or in damp places.
Only versions with the level sensor can be used for liquids.
If not, they can only be used to vacuum dry materials.
WARNING!
Version for liquids.
If foam or liquid spills from the machine, switch off
immediately and check for the cause.

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C340 604/2009
Optional kits
Various optional kits are available for converting the vacuum
cleaner:
–liquid shut-off kit;
–cyclonic separator;
–clamp and bracket;
–downstream Hepa lter;
–grate and bypass hose for plastic bag use;
–cartridge lter;
–electric lter shaker
On request, the vacuum cleaner can be supplied with optional kits
already installed. However, they can also be installed at a later
date.
Please contact customer service for further details.
Instructions describing how to t the optional kits and the
relative operation and maintenance manuals are supplied
together with the optional kits themselves.
WARNING!
Only use genuine spare parts and accessories supplied
and authorized by the manufacturer.
Accessories
Various accessories are available; refer to the Accessories
Catalog.
Description of the vacuum cleaner - Labels
Figure 1
A. Identication plate: Code of the Model which includes,
Technical Specications, Serial Number, CE marking, Year of
manufacture.
B. Dust container
C. Fastening latches
D. On-off switch
E. Handle
F. Inlet
I. Attention plate: Draws the operator’s attention to the fact
that the lter must only be purged when the machine is off (see
par. “Cleaning the main lter”).
L. Exhaust
M. Panel power plate: Indicates that the panel is powered by
the voltage given on the data plate.
N. Attention plate (voltage)
Only authorized personnel should be allowed access to the
electrical control panel.
The electrical components must only be accessed after the
power supply has been disconnected by setting main switch “D”
to position -0- (off) and after having removed the plug from the
current socket.
This vacuum cleaner creates a strong air ow which is drawn
in through inlet “F” and blows out through exhaust “L”; after the
hose and tools have been tted, make sure that the motor turns
in the right direction.
Before turning on the vacuum cleaner, t the hose into the inlet
and then t the required tool on to the end part. Refer to the
accessory catalog.
Only use genuine antistatic accessories.
The diameters of the authorized hoses are given in the
technical specications table.
This vacuum cleaner is equipped with an internal deector
which subjects the vacuumed substances to a circular
centrifugal movement that makes them drop into the container.
The vacuum cleaner is equipped with a main lter which
enables it to be used for the majority of applications.
Different types of main lter are available: standard and for
dusts that are hazardous to the health.
Besides the main lter which retains the more common types
of dust, the vacuum cleaner can be tted with a secondary
lter (Hepa H) with a higher ltering capacity for ne dusts and
substances that are hazardous to the health.

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Packing and unpacking
Dispose of the packing materials in compliance with the laws in force.
Figure 2
Box Dimensions
Model 3707/10 3907 3907/18
A (in) 36 36 36
B (in) 67 67 67
C (in) 77 77 77
Weight (lbs.) 734 838 838
Connection to the power supply
WARNING!
– Make sure that the vacuum cleaner is in good condition
before commencing work.
– Before plugging the vacuum cleaner into the power
supply, make sure that the voltage rating indicated on
the data plate corresponds to that of the power supply.
– Plug the vacuum into a socket with a correctly installed
ground contact/connection. Make sure that the vacuum
cleaner is off.
– The plugs and connectors of the connection cables
must be protected against water splashes.
– Make sure that connections to the power supply and
plug are correct.
– Only use vacuum cleaner when the cables that connect
to the power supply are in good condition (damaged
cables could lead to electric shock!).
– Regularly check that the electric cable does not show
signs of damage, excessive wear, cracks or ageing.
WARNING!
When the vacuum cleaner is operating, do not:
– Crush, pull, damage or tread on the cable that connects
to the power supply.
– Only disconnect the cable from the power supply by
removing the plug (do not pull the cable.
– Only replace the electric power cable with the same type
as the original. The same rule applies if an extension is
used.
– The power cord should be replaced by an authorized
service center or by a qualied electrician.
Extensions
If an extension is used, make sure it is t for the power draw and
protection degree of the vacuum cleaner.
WARNING!
Sockets, plugs, connectors and installation of the extension
cable must maintain the IP protection degree of the vacuum
cleaner, as indicated on the data plate.
WARNING!
The vacuum cleaner’s power socket must be protected by
a differential circuit-breaker with surge current limitation,
that shuts off the power supply when the current dispersed
towards ground exceeds 30 mA for 30 ms or an equivalent
protection circuit.
WARNING!
Never spray water on the vacuum cleaner: such action
constitutes a danger hazard for persons and could short
circuit the power supply.

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C340 804/2009
Wet and dry applications
Note
1. The supplied lters and the safety container (if applicable)
must be installed correctly.
2. If the machine is used to clean up liquids, make sure that the
liquid level sensor activates and operates in the correct way.
WARNING!
Comply with the safety regulations governing the materials
for which the vacuum cleaner is used.
WARNING!
If the wet cleaner variant is used:
– Make sure that the liquid level sensor operates correctly
before using the vacuum cleaner to clean up liquids.
– If foam forms, immediately stop work and empty the
container.
– Switch off the vacuum cleaner immediately if foam or
liquid leaks out.
– Regularly clean the liquid level limiting device and check
to make sure that there are no signs of damage.
– The dirty liquid collected by the vacuum must be
considered conductive.
Maintenance and repairs
WARNING!
Disconnect the vacuum cleaner from its power source before
cleaning, servicing, replacing parts or converting it to obtain
another version/variant.
The plug must be removed from the socket.
– Only carry out the maintenance work described in this
manual.
– Only use original spare parts.
– Do not modify the vacuum cleaner in any way.
Failure to comply with these instructions could jeopardize
your safety. Moreover, such action would immediately void
the CE declaration of conformity issued with the machine.
WARNING!
Contact the technical assistance service or sales network for
maintenance operations not described in this manual.

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Technical data - Dimensions
Technical data
Units 3707/10 3907 3907/18
Voltage @ 60Hz volts 200-240/440-480 440-480 440-480
Type of Power no. of
phases 3 3 3
Power KW 9 12.6 15.3
Current Draw amps 27.9/15.5 26 26
Waterlift, max. inches
H2O 187 260 196
Airow, max. cfm 600 353 740
Filter Area, main sq. ft. 48.4 48.4 48.4
Filter Area, HEPA (upstream) sq. ft. 129 129 129
Filter Area, HEPA (downstream) sq. ft. 186 186 186
Noise Level, @ 3'3" (1 meter) dB(A) 78 78 78
Protection IP 55 55 55
Insulation Class F F F
Tank Capacity gallons 46 46 46
Machine Inlet inches 4 4 4
Dimensions (l x w x h) inches 65 x 32.7 x 70.9 65 x 32.7 x
70.9 65 x 32.7 x 70.9
Weight lbs. 682 794 792
Cord Length ft. 30 30 30
Filter Efciency, HEPA DOP-
tested
99.995% @ 0.18
microns
99.995% @
0.18 microns
99.995% @ 0.18
microns
Note
1. Storage conditions: T: - 10 ...+ 40 °C Humidity : ≤ 85%
2. Operating conditions: Maximum altitude 800 m (up to 2000 m with reduced performances) T: - 10 ...+ 40 °C Humidity : ≤ 85%
Dimensions
Figure 3
Model 3707/10 3907 3907/18
A (in) 65 65 65
B (in) 32.7 32.7 32.7
C (in) 70.9 70.9 70.9
Weight (lbs.) 682 794 792

3707/10 - 3907 - 3907/18
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C340 10 04/2009
Controls, indicators and connections
Figure 4
A. Vacuum gauge
B. Main switch (on “I“ - off “0“)
C. Reverse phase indicator
D. Thermal overload
E. Power indicator
F. Phase inverter
G. Electric lter shaker start button (optional)
H. Stop button
I. Start button
M. Visual level gauge
N. Castor brakes
O. Inlet
P. Container release
Q. Filter chamber
R. Dust container
S. Main lter shaker knob
Inspections prior to starting
Prior to starting, check that:
–The lters are installed;
–all latches are tightly locked;
–The hose and tools have been correctly tted into inlet “F”
(Fig. 5);
–The bag or safety container are installed, if applicable.
–Do not use the vacuum cleaner if the lter is faulty.
Starting up
–Lock the castor brakes “E” (Fig. 6) before starting the
vacuum cleaner.
–Move switch “B” (Fig. 6) to the On position (“I”).
–If the vacuum cleaner has been working and then stops and
the indicator light “C” (Fig. 4) comes on, or if the vacuum
cleaner motor turns in the wrong direction, turn it off and turn
the inverter “F”.
Operating the vacuum
Figure 7
1. RED ZONE
2. GREEN ZONE
Check the ow rate:
–When the vacuum cleaner is operating, the pointer of the
vacuum gauge “A” (Fig. 7) must remain in the green zone
(OK) to ensure that the speed of the intake air does not drop
below the safety value of 20 m/s.
–If the pointer is in the red zone (STOP), it means that the
speed of the air in the hose is below 20 m/s and that the
vacuum cleaner is not working safely. Clean or replace the
lters.
–When the hose is blocked, the pointer of the vacuum gauge
must switch from the green zone (OK) to the red zone
(STOP).
WARNING!
When the vacuum cleaner is operating, always check to make
sure that the vacuum gauge pointer remains in the green
zone (OK).
Consult the “Troubleshooting” chapter if problems occur.
Cleaning the main lter
Depending on the quantity of dust cleaned up, shake the main
lter by means of the knob “J” (Fig. 8) when the vacuum gauge
pointer “A” (Fig. 7) switches from the green zone (OK) to the red
zone (STOP).
WARNING!
Stop the machine before shaking the lter.
Do not shake the lter while the machine is on as this could
damage the lter.
Wait before restarting the vacuum cleaner, to allow the dust to
settle.
Replace the lter element if the pointer still remains in the red
zone (STOP) even after the lter has been shaken (consult the
“Main lter replacement” section).

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04/2009 11 C340
Emergency stopping
Press the stop button “H” (Fig. 4).
Emptying the container
WARNING!
– Turn off the machine and remove the plug from the
power socket before proceeding with this operation.
Before emptying the container it is a advisable to clean the lter
(see “Shaking the main lter” sect.).
A. Standard version, not suitable for treating hazardous dust
–Release the container “I” (Fig. 9), then remove and empty
it.
–Make sure that the seal is in good condition and correctly
positioned.
–Place the container back in position and use the lever to
secure it again.
Plastic liner:
A plastic liner (our code 40100) can be used to collect dust (Fig.
9).
In this case, the machine must be equipped with optional
accessories (grill and depressor - Fig. 9).
WARNING!
– In compliance with current laws, these operations can
only be carried out by trained and specialized personnel
who must wear adequate clothing.
– Take care not to agitate the dust during this operation.
Wear a protective mask.
– A plastic liner can be used (our code 40100) if dust that
is dangerous and/or hazardous for the health must be
removed.
– The container and/or liner must only be disposed of by
trained personnel and in compliance with the current
laws in force.
Use as a wet cleaner
Make sure that the vacuum cleaner is equipped with a oat (liquid
level sensor) and is suitable for use as a wet cleaner.
Do not clean up ammable liquids.
If foam forms, stop work immediately and empty the container.
The lter will be wet after liquids have been cleaned up.
A wet lter can quickly become clogged if the vacuum cleaner is
then used to clean up dry substances.
For this reason, make sure that the lter is dry or replace it with
another one before using the vacuum cleaner to clean up dry
materials.
At the end of a cleaning session
1. Turn off the vacuum cleaner and remove the plug from the
socket.
2. Coil the power cable (Fig. 11).
3. Empty the container as described in the “Emptying the
container” section.
Clean the vacuum cleaner as described in the “Maintenance,
cleaning and decontamination” section.
4. Wash the container with clean water if aggressive
substances have been cleaned up.
5. Store the vacuum in a dry place, out of the reach of
unauthorized people.
6. Shut the inlet with the appropriate plug “A” (Fig. 11) when the
vacuum cleaner is not being used.

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C340 12 04/2009
Maintenance, cleaning and decontamination
WARNING!
NOTE: The precautions described below must be taken
during all the maintenance operations, including cleaning
and replacing the main and Hepa lters.
A. To allow the user to carry out the maintenance
operations, the vacuum must be disassembled,
cleaned and overhauled as far as reasonably possible,
without causing hazards for the maintenance staff
or other people. The suitable precautions include
decontamination before disassembling the vacuum,
adequate ltered ventilation for the air exhausted from
the room in which it is disassembled, cleaning of the
maintenance area and suitable personal protection.
B. Hazardous material collection: The external parts of
the vacuum must be decontaminated by cleaning and
vacuuming methods, dedusted or treated with sealant
before being taken out of a hazardous zone.
All parts of the appliance must be considered as
contaminated when they are removed from the
hazardous zone and appropriate actions must be taken
to prevent dust from dispersing.
When servicing work or repairs are carried out, all the
contaminated elements that cannot be cleaned well must
be eliminated.
These elements must be disposed of in sealed bags
conforming to the applicable regulations and in
accordance with the local laws governing the disposal of
such material.
This procedure must also be followed when the lters
are eliminated (main, Hepa and downstream lters).
NOTE: Compartments that are not dust-tight must be opened
with suitable tools (screwdrivers, wrenches, etc.) and
thoroughly cleaned.
C. Carry out a technical inspection at least once a year,
e.g.: check the air lters to nd out whether the air-
tightness of the appliance has been impaired in any way
and make sure that the electric control panel operates
correctly. This inspection must be carried out by the
manufacturer or by a qualied person.
WARNING!
Only use genuine spare parts.
How to disassemble and replace the main and
Hepa lters
WARNING!
When the vacuum cleaner is used to clean up hazardous
substances, the lters become contaminated, thus:
– work with care and avoid spilling the vacuumed dust
and/or material;
– place the disassembled and/or replaced lter in a sealed
plastic bag;
– seal the bag tightly;
– dispose of the lter in accordance with the current laws.
WARNING!
Filter replacement is a serious matter.
The lter must be replaced with one of identical
characteristics, lter surface and category.
Otherwise, the vacuum cleaner will not operate correctly.
Main lter replacement
WARNING!
Take care not to agitate the dust when this operation is
carried out. Wear a mask and other protective clothing plus
protective gloves (DPI) suited to the hazardous nature of the
dust collected. Refer to the relative laws in force.
Before proceeding with this operation, turn off the machine and
remove the plug from the power socket.
Disassembly
–Remove the hose “A” (Fig. 12) from the lower outlet.
–Release stop “B” (Fig. 12) and unscrew lter shaker knob
“C”.
–Release the two fastening latches “D” (Fig. 12) and remove
lid “E”.
–Lift lter “F” (Fig. 12), unscrew clamp “G” and remove ring
“H”.
–Unscrew cage “I” (Fig. 12) and turn the lter upside down.
–Cut the plastic clamps “L” (Fig. 12) and detach the cage from
the lter.
Assembly
–Fit the lter catch and retention ring of the old lter on to the
new one.
–Insert cage “I” (Fig. 12) and x it to the lter by means of
plastic clamps “L” on the bottom of the lter itself.
–Fit the lter into lter chamber then mount lid “E” (Fig. 12)
and lock it in place with the two fastening latches “D”.
–Fit the lter shaker knob and lock it in the lowered position by
means of the stop so that the lter is kept stretched.
–Fit the suction hose on the lower outlet.
–Dispose of the lter in accordance with the laws in force.

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04/2009 13 C340
Hepa/Ulpa lter replacement
WARNING!
Do not agitate the dust when this operation is carried out.
Wear a mask and other protective clothing plus protective
gloves (DPI) suited to the hazardous nature of the dust
collected. Refer to laws in force.
Replacing the upstream Hepa lter
–Unscrew knob “A” (Fig. 13);
–Remove cover “B” (Fig. 13);
–Release knob lter “C” (Fig. 13), cover the lter “D” with a
plastic bag and remove everything;
–Seal the bag, t the new lter and close the cover.
Inspecting and cleaning the motor cooling fan
Periodically clean the motor cooling fan to prevent the electric
motor from overheating, particularly if the appliance is used in a
dusty place.
Seal inspection
Checking the condition of the hoses
Make sure that connecting hoses “A”, “B” and “C” (Fig. 14) are in
a good condition and correctly secured.
If the hoses are damaged, broken or badly connected to the inlet,
they must be replaced.
When sticky materials are treated, check for possible clogging
along hose “C” (Fig. 14), in outlet and on the bafe in the lter
chamber.
Scrape outside the outlet and remove the deposited waste as
indicated in gure 14.
Checking the lid seal
If seal “A” (Fig. 15) under lid “D” has become slack, unscrew
screws “B” that lock fastening latches “C” in place and allow them
to slide downwards until lid “D” closes tightly.
Now tighten locking screws “B” (Fig. 15).
Replace seal “A” (Fig. 15) if an optimum seal cannot be obtained.
Checking the seal of lter chamber
If seal “A” (Fig. 16) between the container and lter chamber “C”
fails to secure:
–loosen the four screws “B” (Fig. 16) that lock lter chamber
“C” against vacuum structure.
–Allow lter chamber “C” (Fig. 16) to lower down and relock
screws “B” once it has reached the retention position.
The seal must be replaced if it is torn, cut, etc.
Replace seal “A” (Fig. 16) if the seal is still not optimum.
Cleaning and replacing the separator
Note
If there is only a dust deposit on separator “D” (Fig. 17), allow the
dust to drop through the central hole.
Separator “D” (Fig. 17) should rst be disassembled in order to be
cleaned:
–release latches “A” (Fig. 17) that fasten lid “B” and remove
the lid.
–Remove the lter.
–Unscrew the two screws “C” (Fig. 17) and remove separator
from the container.
–Replace the part if excessively worn.
–Assemble separator “D” (Fig. 17) again.
–Lock it in position by screwing the two screws “C” (Fig. 17).
–Ret the lter and close cover “B” (Fig. 17), locking it in place
with the two fastening latches “A”.
Disposal of the machine
Dispose of the machine in compliance with the current laws in
force.
This vacuum should not be disposed with other waste at the end
of its working life. To prevent possible harm to the environment or
human health from uncontrolled waste disposal, please separate
this from other types of wastes and recycle it responsibly to
promote the sustainable reuse of material resources.
Users should contact their supplier and check the terms and
conditions of the purchase contract. This product should not be
mixed with other commercial wastes for disposal.

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C340 14 04/2009
Wiring diagrams
Basic machine (1/3)
Figure 18
1. MAIN DISCONNECTOR
2. INVERTER
3. THREEPOLAR FUSING HOLDER
4. THERMAL RELAY
5. VACUUM
6. FUSING HOLDER TRANSFORMER
Model Fuse type "F1"
3707 3 x 25 A
3707/10 3 x 35 A
3907-3907W 3 x 50 A
Basic machine (2/3)
Figure 19
1. TRANSFORMER
2. VOLTAGE INDICATOR
3. VOLTAGE INDICATOR
4. RED LAMP
5. WHITE LAMP
Basic machine (3/3)
Figure 20
1. STOP PULSE
2. START PULSE
3. LINE CONTACTOR
4. HOURS COUNTER
5. STAR-DELTA TIMER
6. STAR CONTACTOR
7. DELTA CONTACTOR
8. WIRE UP WITH A 1 mm2 RED WIRE WHERE NOT
SPECIFIED.
Electric lter shaker (1/1)
Figure 21
1. STOP PULSE
2. START PULSE
3. LINE CONTACTOR
4. HOURS COUNTER
5. STAR-DELTA TIMER
6. STAR CONTACTOR
7. DELTA CONTACTOR
8. FILTER SHAKER CONTACTOR
9. FILTER SHAKER PULSE
10. WIRE UP WITH A 1 mm2 RED WIRE WHERE NOT
SPECIFIED.
Phase sequence (1/3)
Figure 22
1. MAIN DISCONNECTOR
2. INVERTER
3. THREEPOLAR FUSING HOLDER
4. PHASE SEQUENCE RELAY
5. THERMAL RELAY
6. VACUUM
7. FUSING HOLDER TRANSFORMER
Model Fuse type "F1"
3707 3 x 25 A
3707/10 3 x 35 A
3907-3907W 3 x 50 A
Phase sequence (2/3)
Figure 23
1. TRANSFORMER
2. VOLTAGE INDICATOR
3. THERMAL INDICATOR
4. PHASE SEQUENCE INDICATOR
5. YELLOW LAMP
6. RED LAMP
7. WHITE LAMP
Phase sequence (3/3)
Figure 24
1. STOP PULSE
2. START PULSE
3. LINE CONTACTOR
4. HOURS COUNTER
5. STAR-DELTA TIMER
6. STAR CONTACTOR
7. DELTA CONTACTOR
8. WIRE UP WITH A 1 mm2 RED WIRE WHERE NOT
SPECIFIED.
Cartridge kit (1/1)
Figure 25
1. TS2 TIMER SEQUENCE
2. FILTER 1 CLEAN ELECTROVALVE
3. FILTER 2 CLEAN ELECTROVALVE
4. FILTER 3 CLEAN ELECTROVALVE
5. FILTER 4 CLEAN ELECTROVALVE
6. T3 / P2 = TIME IN THE MIDDLE OF CLEANING CYCLES
7. T1 / WORK = FILTER CLEANING TIME
8. T2 / P1 = WORK HOLD TIME

3707/10 - 3907 - 3907/18
04/2009 15 C340
Recommended spare parts
The following is a list of spare parts that should be kept on hand
in order to speed up maintenance work.
List of recommended spare parts
Figure 26
Pos. Description Mod. Dimensions
(mm) Code No.
1Standard main lter Ø 560 8 17081
2PVC coated main
lter Ø 560 8 17246
3 Filter ring Ø 560 8 15005
4 Filter ring seal Ø 560 8 17027
5 Filter clamp Ø 560 8 18081
6Upstream Hepa lter
“H” Ø 400x400 8 17264
7Downstream Hepa
lter 475x610x292 8 17093
8 Container / Lid Ø 560 8 30090
Troubleshooting
Problem Causes Remedies
The vacuum suddenly
stops
Clogged main lter Shake the lter.
Replace it if this is not
sufcient
Clogged suction hose Check the suction
hose and clean it
Motor protector tripper Check the setting.
Check the power draw
of the motor. Contact
an authorized after-
sales service center if
necessary
Dust leaks from the
vacuum
The lter is torn Change it with
another of identical
category
Inadequate lter Change it with
another of a suitable
category and check
The vacuum blows
instead of sucking
Incorrect connection
to the power source
Remove the plug and
invert two of the live
wires
Electrostatic current
on the vacuum
Non existent or
inefcient grounding
Check all ground
connections.
Particularly check
the suction inlet. The
hose must be strictly
antistatic

3707/10 - 3907 - 3907/18
GB
C340 16 04/2009
1

3707/10 - 3907 - 3907/18
04/2009 17 C340
3707LMH11 3707LMH12
AB
C
2
3

3707/10 - 3907 - 3907/18
GB
C340 18 04/2009
F
3307LMH11
3707LMH03
F
B
I
E
4
5 6

3707/10 - 3907 - 3907/18
04/2009 19 C340
A
3307LMH13
1 2
J
3307LMH14
3307LMH15
I
I
3707LMH07
78
9
10

3707/10 - 3907 - 3907/18
GB
C340 20 04/2009
3307LMH18
I
L
H
FG
A
C B E
D
11
12
13
3307LMH20
D
C
B
A