Nilfisk-Advance MH 4M Series User manual

MH 4M -
Instructions for use
107140469 F (03. 2015)

1
1) Options / model variants
Original instructions
Contents
1 Safety instructions ...........................................................................................................................2
2 Description........................................................................................................................................2
2.1 Purpose...................................................................................................................................2
2.2 Operating elements.................................................................................................................2
3 Before starting the cleaner..............................................................................................................3
3.1 Setting up the cleaner .............................................................................................................3
3.2 Set the brake...........................................................................................................................3
3.3 Install Crank handle for high pressure hose reel1) ...................................................................4
3.4 Fit clamp for high-pressure jet tube1) ......................................................................................4
3.5 Fill up detergent tank1) .............................................................................................................4
3.6 Fill up tank for Nilfisk AntiStone1) .............................................................................................4
3.7 Antiscale..................................................................................................................................5
3.8 Fill up fuel tank ........................................................................................................................5
3.9 Connecting the high pressure hose.........................................................................................5
3.10 Connecting the water supply...................................................................................................6
3.11 Electrical connection ...............................................................................................................6
3.12 Antifreeze - before first use .....................................................................................................6
4 Control / Operation...........................................................................................................................7
4.1 Connections ............................................................................................................................7
4.2 Switching on the cleaner .........................................................................................................7
4.3 Pressure regulation (Tornado Lance)1) ....................................................................................8
4.4 Pressure regulation (VarioPress Gun)1)...................................................................................8
4.5 Using cleaning agents1) ...........................................................................................................8
5 Applications and methods ..............................................................................................................8
5.1 Techniques ..............................................................................................................................8
5.2 Some typical cleaning tasks....................................................................................................9
6 After using the cleaner .................................................................................................................. 11
6.1 Switching off the cleaner ....................................................................................................... 11
6.2 Disconnecting supply lines.................................................................................................... 11
6.3 Rolling up the electrical cord and storing accessories .......................................................... 11
6.4 Storing the cleaner (below 0°C (32°F)) ................................................................................. 11
7 Maintenance....................................................................................................................................12
7.1 Maintenance plan..................................................................................................................12
7.2 Maintenance work .................................................................................................................12
8 Troubleshooting .............................................................................................................................14
8.1 Indications on Display ...........................................................................................................14
8.2 Other Faults...........................................................................................................................15
9 Further information ........................................................................................................................15
9.1 Recycling the cleaner............................................................................................................15
9.2 Guarantee .............................................................................................................................16
9.3 EU Declaration of Conformity................................................................................................16
9.4 Technical Data.......................................................................................................................17

21) Options / model variants
Original instructions
2 Description
2.1 Purpose This high-pressure cleaner has
been designed for professional
use. It can be used for cleaning
agricultural and construction
equipment, stables, vehicles,
rusty surfaces, etc.
The cleaner has not been ap-
proved for cleaning surfaces
which comes into contact with
food.
Chapter 5 describes the use of
the high-pressure cleaner for
various cleaning jobs.
Always use the cleaner as de-
scribed in these operating in-
structions. Any other use may
damage the cleaner or the sur-
face to be cleaned or may result
in severe injury to persons.
2.2 Operating elements 1 Spray lance
2 Spray lance storage
3 Control panel
4 Pressure gauge
5 Tank filler for fuel
6 Receptacle for service
crane and lifting ring1)
7 Top cover release
8 Crank handle for
High pressure hose
reel (MH 4M..X)
9 High pressure hose
connection for machines
without hose reel
10 Main switch with
temperature controller
11 Detergent metering knob1)
12 Power ON
13 Pump oil low1)
14 Service interval due/expired
15 Nilfisk AntiStone low1)
16 Fuel low1)
17 Castor with parking brake
18 Supply water connection
19 Tank filler for anti-freeze
20 Tank filler for Nilfisk
AntiStone
21 Canister for detergent
22 High pressure hose
reel (MH 4M..X)
23 Cable hook
24 Grip for top cover
See fold-out page at front of these
operating instructions.
1 Safety instructions
High Pressure Washer -
SAFETY INSTRUCTIONS
107141898 D (09-2015)

3
1) Options / model variants
Original instructions
3 Before starting the cleaner
3.1 Setting up the cleaner Every fuel-burning appliance,
such as pressure washers, de-
pends upon a proper mix of fuel
and air (by weight) for proper
combustion. Therefore some
adjustment of the air regulation
to the burner may be necessary
to take account of altitude and
the resulting air pressure. This
is true whether your fuel is ‘Nat-
ural gas’, Propane or Diesel.
Your Nilfisk hot water pressure
washer was thoroughly tested
and adjusted for optimum per-
formance before it left our fac-
tory. The factory is located at ap-
proximately 120m (390 ft) above
sea level, and the combustion
settings are optimal for that el-
evation.
If your location is higher than
1200m (3900 ft) above sea lev-
el, your burner may require re-
adjustment for proper perfor-
mance and best fuel economy.
Contact your Dealer or Nilfisk
for assistance.
3.2 Set the brake 1. Before using the cleaner for
the first time, check it care-
fully to detect any faults or
damage.
2. Run the machine only when
it is in perfect condition.
3. Set the brake.
4. The slope of which the high
pressure cleaner is placed
must not exceed more than
10° in any direction.

41) Options / model variants
Original instructions
1. Insert clamp into the
holder on the sliding
guard:
High-pressure jet
lance1) clamp
3.6 Fill up tank for Nilfisk
AntiStone1)
1. Fill up Nilfisk Anti-Stone/wa-
ter softener reservoir with the
sample bottle1) provided. Nil-
fisk Anti-Stone prevents any
deposits of scale and acts at
the same time as a corrosion
inhibitor.
For compatibility reasons, use
only the tested „Nilfisk Anti-
Stone“. Order the refill pack in
good time (Order no. 8466, 6 x
1 l).
3.5 Fill up detergent tank1) 1. Fill up detergent tank with
prediluted detergent.
Capacity see chapter 9.4 Tech-
nical Data
3.3 Install Crank handle
for high pressure hose
reel1)
1. Pull cap of crank in arrow di-
rection.
2. Align tabs on crank with slot
in axle.
3. Put crank on axle of high
pressure hose reel.
4. Fix crank by pushing the cap.
1.
2.
ø
Ø
STOP
3.4 Fit clamp for high-
pressure jet tube1)

5
1) Options / model variants
Original instructions
3.8 Fill up fuel tank
With the machine cold:
1. Fill fuel tank from a clean con-
tainer with a fresh fuel, heat-
ing oil, DIN 51603-1 (without
bio diesel) or Diesel EN 590
NOTE!
At temperatures below 8° C, the fuel
oil begins to solidify (paraffin precip-
itation). This can lead to difficulties
in starting the burner. Before the
winter period either add a solidifica-
tion point / flow improver (available
from the fuel oil trade) to the fuel or
use winter diesel fuel.
3.9 Connecting the high
pressure hose
3.9.1 Machines with high
pressure hose reel
1. Put the quick connector of
the high pressure hose onto
the nipple on the axle.
3.9.2 Machines without high
pressure hose reel
1. Put the quick connector of
the high pressure hose onto
the nipple on the cleaner.
3.7 Antiscale The Nilfisk Antiscale dosing sys-
tem is set by the factory.
To adjust the water hardness we
recommend that the inlet water
is tested accordingly.
Use the schematic to find the
right dosage of No Scale/anti
stone and water, and add the
mixture to the antiscale tank.
Machine flow L/h Pump size ml/h ˚dH ˚f˚e Dosage
800 35 0-12 0-21,5 0 - 15 1:1 = 17ml/h
800 35 12-30 21,5 - 53,7 15 - 37,5 Pure = 35ml/h
900 35 0-12 0-21,5 0 - 15 1:1 = 17ml/h
900 35 12-30 21,5 - 53,7 15 - 37,5 Pure = 35ml/h
1000 35 0-12 0-21,5 0 - 15 1:1 = 17ml/h
1000 35 12-30 21,5 - 53,7 15 - 37,5 Pure = 35ml/h
(Diesel with a bio diesel con-
tent up to 7%).
Diesel according to EN 590
(up to 7% bio diesel) can be
used with the following re-
strictions: Maximum storage
time in high pressure cleaner
diesel tank: 1 month. Diesel
stored externally for more
than 6 months is not allowed
to be filled into Nilfisk high
pressure cleaners. Diesel
EN 590 is not recommended
for use in HPW's at an ambi-
ent temperature below 0°C.
Diesel EN 590 from an open
container must not be used.

61) Options / model variants
Original instructions
3.10 Connecting the water
supply
1. Rinse the water supply hose
briefly in order to prevent
sand an other dirt particles
entering into the machine.
2. Connect water supply hose
to the machine.
3. Open water tap.
3.11 Electrical connection
3.12 Antifreeze - before first
use
The machine is protected with
anti-freeze from the factory.
Catch the liquid discharging at
first (approx. 5 l) for re-use in a
container.
230  00  
220  0  
Before connecting devices with
voltage changeover1): Check that
the pre-selected voltage on the
machine corresponds with the
voltage of the electrical instal-
lation. Otherwise the electrical
devices of the machine can be
destroyed.
CAUTION!
When using cable reels:
1. Due to the risk of overheat-
ing and fire, always unwind
the power supply cord fully.
The cleaner may only be con-
nected to a correctly installed
electrical installation.
1. Observe safety instructions in
chapter 1.
2. Put the plug into the electrical
socket.
In the case of poor water quality
(sand, etc.), we recommend that a
fine water filter is fitted in the water
inlet.
NOTE!
See chapter 9.4 Technical Data for
required quantity of water and water
pressure.
In order to comply with national
regulations and those of the water
supply companies, it must be
ensured that water cannot flow
back if the pressure in the water
mains falls below atmospheric
pressure.
We recommend the use of a textile-
reinforced water hose with a nomi-
nal diameter of min. 3/4" (19 mm).

7
1) Options / model variants
Original instructions
4 Control / Operation
A
C
B
4.1 Connections
4.1.1 Connecting the spray
lance to the spray gun
1. Pull the blue quick-release
grip (A) of the spray gun
backwards.
2. Insert the nipple of the spray
lance (B) into the quick-
release connection and re-
lease it.
3. Pull the spray lance (or other
accessory) forwards to check
that it is securely attached to
the spray gun.
NOTE!
Always remove any dirt from the
nipple before connecting the spray
lance to the spray gun.
4.2 Switching on the
cleaner
4.2.1 Cold water operation /
Hot water operation (up
to 100°C)
1. Move main switch into posi-
tion ‘Cold Water’ (A).
The control electronics sys-
tem performs a self-test, all the
LEDs light up once.
The motor starts.
lights up.
2. Move main switch into posi-
tion ‘Hot Water’ (B) and se-
lect the temperature.
3. Unlock the spray gun and ac-
tuate it.
The burner switches on.
In case of interruptions in work:
Also be sure to insert the safety
catch even during short interrup-
tions in work (see Fig. in section
6.1)
IMPORTANT!
In the case of appliances with a
hose reel:
In hot water mode, unwind the
high-pressure hose fully from the
hose reel, as otherwise the hose
reel may become warped due to
the effects of the heat.
OFF
°C
°F
20
68
40
104
60
140
80
100
212
140
284
A
B
1. Open cover.
2. Turn the twist grip on the
safety control block comple-
tely to the left (anticlockwise
direction).
3. Turn the main switch into po-
sition ‘Hot Water’.
4. Select temperature (over
100°C).
For special applications: replace
the standard nozzle with the
steam spray nozzle (accessory).
4.2.2 Steam operation (over
100°C (212°F))1)
Beware of hot water and
steam discharge up to
150°C when operating in
steam stage.

81) Options / model variants
Original instructions
4.3 Pressure regulation
(Tornado Lance)1)
1. Turn the twist grip on the
spray unit:
– High pressure =
clockwise (+) for high pres-
sure
– Low pressure =
anticlockwise (–) for low pres-
sure.
5 Applications and methods
Efficient high pressure cleaning is achieved by following a few
guidelines, combined with your own personal experience of specific
cleaning tasks. Accessories and detergents, when correctly chosen,
can increase the efficiency of your pressure washer. Here is some
basic information about cleaning.
5.1 Techniques
4.5 Using cleaning agents1) 1. Set the desired concentra-
tion of cleansing agent at the
cleansing agent dosing facil-
ity.
2. Spray the object to be cleaned.
3. Allow the cleaning agent to
work, depending on the de-
gree of soiling. Then rinse off
with the high pressure spray
jet.
4.4 Pressure regulation
(VarioPress Gun)1)
For safety reasons, never tie back
or wedge open the trigger of the
spray gun in open position during
operation. The trigger must be
free to close when released, thus
interrupting the flow of the water.
1. Turn the twist grip on the
spray unit:
Water volume
(–) (+)
min. max.
For special applications (e.g. dis-
infection) the exact detergent con-
centration has to be determined by
measuring cup. For water through-
put of the machine see chapter 9.4
technical data.
CAUTION!
Never allow cleaning agent to dry
on the surface to be cleaned. The
surface may be damaged.
0

9
1) Options / model variants
Original instructions
5.1.1 Soaking Encrusted or thick layers of dirt can be loosened or softened up by
a period of soaking. This is for example an ideal method within ag-
riculture – for example, within pig sties. The ideal soaking method
can be achieved via use of foam or simple alkaline detergent. Let
the product lie on the dirty surfaces for around 30 minutes before
pressure washing. The result will be a much quicker high pressure
cleaning process.
5.1.2 Detergent and Foam Foam or detergent should be applied onto dry surfaces so that the
chemical product is in direct contact with the dirt. Detergents are
applied from bottom to top, for example on a car bodywork, in order
to avoid “super clean” areas, where the detergent collects in higher
concentration and streams downwards. Let the detergent work for
several minutes before rinsing before rinsing but never let it dry on
the surface being cleaned.
5.1.3 Temperature Detergents are more effective at higher temperatures. Greases, oils
and fats can be broken down more easily at higher temperatures
also. Proteins can be cleaned at temperatures of around 60°C. Oils,
traffic film around 70°C, and grease can be cleaned at 80°C - 90° C.
5.1.4 Mechanical Effect In order to break down tough layers of dirt, additional mechanical
effect may be required. Special lances and rotary or wash brushes
offer this supplementary effect that cuts through dirt.
5.1.5 High Water Flow or
High Pressure
High pressure is not always the best solution and high pressure may
damage surfaces. The cleaning effect also depends upon water
flow. Pressure levels of around 100 bar may be sufficient for vehicle
cleaning (in association with hot water). Higher flow levels give the
possibility to rinse and flush away large amounts of dirt easily.
5.2 Some typical cleaning tasks
5.2.1 Agriculture
Task Accessories Method
Stables
Pig Pens, Sties
Cleaning of walls,
floors and equip-
ment
Disinfectant
Chemical Foam Injec-
tors
Foam lance
Powerspeed lance
Floor Cleaner
Detergents
Universal
Alkafoam
Disinfectant
DES 3000
1. Soaking – apply foam to all surfaces (bottom to top)
and wait for approx. 30 minutes.
2. Remove the dirt from surfaces with the high pressure
lance or chosen accessory. Again, clean from bottom
to top on vertical surfaces.
3. To flush away large quantities of dirt, change to low
pressure mode and use the higher flow to push away
the dirt.
4. Use recommended disinfectant products and methods
to ensure hygiene. Apply DES 3000 disinfectant once
the surfaces are perfectly clean.
Machinery
Tractors
ploughs etc.
Detergent injection
Powerspeed lances
Curved lances and un-
derchassis washers
Brushes
1. Apply detergent to vehicle or equipment surfaces in
order to soften up dirt and grime. Apply from bottom
to top.
2. Proceed with cleaning using the high pressure lance.
Clean again from bottom to top. Use accessories to
clean in difficult to reach places.
3. Clean fragile areas such as motors, rubber at lower
pressure levels to avoid damage.

10 1) Options / model variants
Original instructions
5.2.3 Buildings and Equipment
These are merely several examples of cleaning tasks that can be solved by a pressure washer in asso-
ciation with accessories and detergents. Each cleaning task is different. Please consult your local dealer
or Nilfisk representative in order to discuss the best solution for your own cleaning tasks.
5.2.2 Vehicle
Task Accessories Method
Vehicle bodywork Standard lance
Detergent injection
Curved lances and un-
derchassis washers
brushes
Detergents
Active Shampoo
Active Foam
Sapphire
Super Plus
Active Wax
Allosil
RimTop
1. Apply detergent to vehicle or equipment surfaces in
order to soften up dirt and grime. Apply from bottom
to top. In cases of particularly dirty vehicles, pre-spray
with a product such as Allosil in order to remove traces
of insects etc, then rinse at low pressure and apply
normal car cleaning detergent. Let detergents settle
for 5 minutes before cleaning off. Metallic surfaces
can be cleaned using RimTop.
2. Proceed with cleaning using the high pressure lance.
Clean again from bottom to top. Use accessories to
clean in difficult to reach places. Use brushes in order
to add a mechanical cleaning effect. Short lances can
help for cleaning of motors and wheel arches. Curved
lances or undercarriage washers can be valuable for
the cleaning of car underchassis and wheel arches.
3. Clean fragile areas such as motors, rubber at lower
pressure levels to avoid damage.
4. Apply a liquid wax using the pressure washer in order
to protect the bodywork from pollution.
Task Accessories Method
General surfaces
Metallic equipment
Foam injectors Stand-
ard lance
Curved lances
Tank cleaning
head
Detergents
Intensive
J25 Multi
Combi Active
Alkafoam
Disinfectant
DES 3000
1. Apply thick foam over the surfaces to be cleaned.
Apply on dry surfaces. Apply from top to bottom on
vertical surfaces. Let the foam act for up to 30 minutes
for the optimal effect.
2. Proceed with cleaning using the high pressure lance.
Use applicable accessories. Use high pressure to
dislodge large amounts of incrusted dirt or grime.
Use lower pressure and high water volume in order
to rapidly flush away loose dirt and rinse surfaces.
3. Apply DES 3000 disinfectant once the surfaces are
perfectly clean.
Areas covered by amounts of loose dirt, such as animal
remains in slaughterhouses, can be removed by using
high water flow to flush away the dirt to evacuation pits
or drains.
Tank cleaning heads can be used to clean barrels, vats,
mixing tanks etc. Cleaning heads may be hydraulically or
electrically powered and give the possibility for automatic
cleaning without a constant user.
Rusted or damag-
es surfaces prior
to treatment
Wet Sandblasting
equipment
1. Connect the sandblasting lance to the pressure
washer and place the suction tube in the sand.
2. Always wear protective equipment during sandblast-
ing.
3. Spray the surfaces to be treated with the mix of water
and sand. Rust, paint etc will be stripped off.

11
1) Options / model variants
Original instructions
6 After using the cleaner
6.1 Switching off the
cleaner
1. Turn the main switch to posi-
tion „OFF“.
2. Close water tap.
3. Squeeze the spray gun han-
dle until the cleaner is de-
pressurised.
4. Lock the safety catch on the
spray gun.
6.2 Disconnecting supply
lines
1. Close water tap.
2. Squeeze the spray gun han-
dle until the cleaner is de-
pressurised.
3. Lock the safety catch on the
spray gun.
6.3 Rolling up the electrical
cord and storing
accessories
Risk of tripping!
To prevent accidents, always
carefully roll up the electrical
cord.
1. Wind up the cord
2. Wind up the high pressure
hose.
3. Place the spray lance into
the spray lance storage.
4. Switch off the cleaner.
5. Remove the water hose from
the cleaner.
6. Pull out the plug from the
electrical socket.
6.4 Storing the cleaner
(below 0°C (32°F))
Store the cleaner in a dry room
without danger of frost or protect
as below:
1. Remove the water inlet hose
from the cleaner.
2. Remove the spray lance.
3. Switch on the cleaner with
the main switch in position
"Cold Water".
4. Operate the spray gun.
5. Gradually pour antifreeze
(approx. 5 litres) into the wa-
ter tank (A).
6. During suction operate the
spray gun two or three times.
7. The machine is protected
against frost when antifreeze
solution emerges from the
spray gun.
8. Lock the safety catch on the
spray gun.
9. Switch off the cleaner.
10.To avoid any risks, store
the cleaner temporarily in a
heated room before using it
again.
11.When the machine is put into
service again, the antifreeze
solution can be collected and
stored for future use.
A
A

12 1) Options / model variants
Original instructions
7 Maintenance
7.1 Maintenance plan
7.2 Maintenance work
7.2.1 Water filters
A water filter is fitted on the water
inlet to prevent large particles of
dirt from entering into the pump.
1. Unscrew quick coupling.
2. Remove filter with tool and
clean it.
7.2.2 Maintenance of fuel
filter
1. Open hose clips
2. Replace fuel filter
3. Close hose clips
4. Dispose the cleaning solu-
tion/damaged filter in ac-
cordancewith the disposal-
regulations.
Weekly After the first 50
operating hours
Every six
months or
500 operating
hours
As
required
7.2.1 Water filters 
7.2.2 Fuel filter 
7.2.3 Checking the pump oil quality 
7.2.4 Changing the pump oil 
7.2.5 Emptying the fuel oil tank 
7.2.6 Flame Sensor 

13
1) Options / model variants
Original instructions
7.2.4 Changing the pump oil 1. Unscrew the oil drain plug
(A) on the pump housing and
dispose of the old oil in ac-
cordance with the disposal
regulations.
2. Check the drain plug gasket
and screw in the plug again.
3. Fill with oil and close the oil
filler plug.
Oil grade and capacity see
chapter ‘9.4 Technical Data’.
7.2.3 Checking the pump oil
quality
1. Check colour of pump oil.
If the oil has a grey or white
shade, change the oil (see
chapter 7.2.4)
2. Top up cold pump with fresh
oil if necessary.
Oil type see chapter 9.4
Technical Data.
7.2.5 Flame sensor1) 1. Remove the sensor and
clean with a soft cloth.
2. Ensure that the sensor is
correctly seated when install-
ing again - the symbols must
face upwards.

14 1) Options / model variants
Original instructions
Continued
8.1 Indications on Display
8 Troubleshooting
Indication lights Cause Remedy
>
>
Constant light
- The appliance is ready for
operation
When switching on, all the
LEDs light up once before the
motor is switched on
Flashing light
- Flow sensor fault
- Water tap closed or water
shortage
- Detergent tank empty
- Pressure regulation on
the safety control block or
VarioPress-lance1) set to low
water volume
- Machine scaled
>
>
>
>
>
Contact Nilfisk Service
Cold water operation possible
Required volume flow and pres-
sure see chapter 9.4 Technical
Data
Top up detergent tank or set de-
tergent metering to “OFF“
Turn the twist grip on safety con-
trol block or VarioPress lance1) to
higher water volume (see chapter
4.4)
Contact Nilfisk Service
> Constant light
- Fuel shortage
>
>
Top up fuel
Cold water operation is possible
> Flashing light
- Nilfisk AntiStone shortage
> Top up Nilfisk AntiStone
>
>
Constant light
- Service interval has expired
Flashing light
- Service interval due in 20
hours
>
>
Contact Nilfisk Service
Contact Nilfisk Service
> Constant light
- Pump oil low
> Top up pump oil
> Flashing light (simultaneously)
- Leakage or inadmissible op-
erating condition by short-time
operation
- Spray gun leaking
- High pressure hose, coupling
or line system leaking
- Detergent tank empty
- Water inlet filter dirty
- High-pressure pump drawing
in air
>
>
>
>
>
>
After three times of short-time op-
eration the manchine switches off.
Reset: Turn main switch to posi-
tion “OFF“, then start again. Keep
spray gun pressed for longer than
3 seconds. If a leak occurs caus-
ing the machine to start and stop
briefly 3 times, then the machine
will switch off.
Check Spray gun
Replace high pressure hose,
retighten screw fittings
Top up detergent tank or set de-
tergent metering to “OFF“
Clean filter (see chapter 7.2.1)
Repair leaks

15
1) Options / model variants
Original instructions
8.2 Other Faults
Fault Cause Remedy
not ON > Plug not connected to the
electrical plug socket
• Put the plug into the electrical
socket.
• Check fuse (see chapter 9.4 Techni-
cal Data)
Pressure too low > High pressure nozzle worn out • Replace nozzle
> Pressure regulation set to low
pressure or VarioPress-lance1)
set to low water volume.
• Turn the twist grip on safety control
block clockwise (+) or set Vario-
Press-lance1) to higher water volume
(see chapter 4.4)
Machine is running with
pulsating pressure and
makes knocking noise
> Pump has drawn in air as the
detergent tank is empty
• Close detergent valve. Remove
lance from gun. Operate spray gun
and let machine run until air in pump
is gone and the machine is running
normally/calm again.
No detergents drawn in > Detergent tank empty • Top up detergent tank
> Dirt in detergent tank • Clean detergent tank
> Suction valve at cleaning
agent inlet soiled
• Remove suction valve and clean or
replace
Burner soots > fuel contamination Contact Nilfisk Service
> Burner sooted or adjustment
incorrect
>
>
Flashing light (alternately)
- Motor overheated
- Machine overheated
>
>
• Turn main switch in position
“OFF“, let the machine cool
down
• Remove/disconnect exten-
sion cable
• Possible phase failure; have
electrical connection checked
Contact Nilfisk Service
slow rapid
> Flashing light
- Flame sensor sooted
- Ignition or fuel system failure
>
>
Clean flame sensor (see chapter
7.2.5)
Contact Nilfisk Service
Cold water operation possible
9 Further information
9.1 Recycling the cleaner Make the old cleaner unusable im-
mediately.
1. Unplug the cleaner and cut the
power cord.
Do not discard of electrical appli-
ances with household waste.
As specified in European Directive
2012/19/EU on old electrical
and electronic appliances, used
electrical goods must be col-
lected separately and recycled
ecologically. Contact your local
authorities or your nearest deal-
er for further information.

16 1) Options / model variants
Original instructions
9.3 EU Declaration of
Conformity
9.2 Guarantee Our general conditions of
business are applicable with
regard to the guarantee.
Unauthorised modifications
to the appliance, the use of
incorrect accessories, spare
parts and cleaning chemicals in
addition to using the appliance
in a way other than for the
intended purpose exempt the
manufacturer from any liability
for the resulting damage.
US only:
This warranty is in effect from
the first day of purchase by the
end user.
Each machine will have one
(1) year coverage, from date
of purchase by the end user,
covering parts found defective
due to faulty components,
materials and/or bad
workmanship. Not included in
this warranty coverage are parts
found defective due to:
- Normal wear and tear (such
as seals, valves, pistons,
bearings, etc.)
- Machine working under ab-
normal conditions.
- Machines being misused.
- Machines being repaired or
tampered with by unauthor-
ized person(s).
- The use of parts other than
Nilfisk Cleaning Systems,
Inc. original spare parts and/
or accessories.
The burner coil on all Nilfisk
Cleaning Systems, Inc. hot
water/steam cleaners is under
warranty for two (2) years
against defects, and the high
pressure hose is covered for an
initial 30 days, under the same
conditions described above.
Nilfisk Cleaning Systems, Inc.
will cover labor by an authorized
Nilfisk CSI Dealer for a 12-month
period after the date of purchase
of the machine by the end user.
No other costs, other than laid
out in this warranty program, will
be covered by the warranty.
Dated, End-User proof of
purchase must be submitted
with any claim for Warranty
Service.
We,
Nilfisk A/S
Kornmarksvej 1,
DK-2605 Broendby
DENMARK
Hereby declare, that the
Product: HPW - Professional - Mobile
Description: 230V 1~, 400V 3~,
50/60Hz, IPX5
Type: MH 4M*
Are in compliance with the following
standards:
EN 60335-1:2012
EN 60335-2-79:2012
EN 55014-1:2006+A1:2009+A2:2011
EN 55014-2:1997+A1:2001+A2:2008
EN 61000-3-2:2014
EN 61000-3-11:2000
EN 50581:2012
Following the provisions of:
Machinery Directive 2006/42/EC
EMC Directive 2004/108/EC
RoHS Directive 2011/65/EC
Noise Emission Directive 2000/14/EC
– Conformity assessment procedure ac-
cording to Annex V.
- Measured noise level [dB]: 75-80
- Guaranteed noise level [dB]: 91-94
Hadsund 04-03-2015
Anton Sørensen
Senior Vice President – Global R&D

17
1) Options / model variants
Original instructions
9.4 Technical Data
MH 4M Descr.4M-
140/560 X
4M-
165/820 X
4M-
180/860 L
4M-
180/860 X
4M-
170/890
4M-
170/890
4M-190/960
4M-190/960 X
4M-190/960
4M-190/960 X
4M-200/1010
4M-200/1010 X
4M-
200/1010
Voltage 200 V / 3~ / 50Hz JP
Voltage 200 V / 3~ / 60Hz JP
Voltage 220 V / 1~ / 60Hz
Voltage 230 V / 1~ / 50Hz EU
Voltage 230 V / 1~ / 60Hz
Voltage 240 V / 1~ / 50Hz
Voltage 400 V / 3~ / 50Hz EU EU EU EU / AU EU
Voltage 400/230 V / 3~ / 50Hz NO
Voltage 220/440 V / 3~ / 60Hz EXPT
Fuse A 16 16 16 16 20 20 16 25 / 16 16 15 / 25
Power rating kW 3.1 4.7 5.2 5.2 4.8 4.7 6 / 6.1 6.2 / 6 6.5 / 6.7 6.4 / 6.3
Power consumption A 15.1 9.2 9.7 9.7 18.9 16.8 13 / 13.1 22.5 / 12.4 12.5 / 12.7 12.4 /
22.5
Type of protection IP X5 IP X5 IP X5 IP X5 IP X5 IP X5 IP X5 IP X5 IP X5 IP X5
Working pressure bar
(Mpa)
135
(13.5) 165 (16.5) 180 (18) 180 (18) 170 (17)
170
(17)
190
(19)
190
(19)
200
(20)
200
(20)
Permissible pressure Pmax
bar
(Mpa) 210 250 250 250 250 250 250 250 250 250
Volume flow (max) l/h 565 820 860 860 890 890 960 960 1010 1010
Volume flow QIEC l/h 525 760 800 800 830 830 900 900 960 960
High pressure nozzle 0340 0450 0450 0450 0500 0500 0500 0500 0500 0550
Temperature tmax , hotwater °C 90 90 90 90 90 90 90 90 90 90
Temperature tmax , steam °C 150 150 150 150 150 150 150 150 150 150
Max. water inlet temperature °C 40 40 40 40 40 40 40 40 40 40
Max. water inlet pressure bar
(Mpa) 10(1) 10(1) 10(1) 10(1) 10(1) 10(1) 10(1) 10(1) 10(1) 10(1)
Dimensions l x w x h mm
1053 x
687 x
760
1053 x 687
x 760
1053 x
687 x
760
1053 x
687 x
760
1053 x
687 x
760
1053 x
687 x
760
1053 x 687
x 760
1053 x 687
x 760
1053 x 687
x 760
1053 x
687 x
760
Weight kg 136 136 125 136 136 136 136 / 141 136 / 141 136 / 141 136 / 141
Calculated sound pressure at
a distance of 1 m EN 60704-1
LpA +/- KpA *
dB(A) 80
+/- 1,5
80
+/- 1,5
80
+/- 1,5
80
+/- 1,5
75
+/- 1,5
75
+/- 1,5
76
+/- 1,5
76
+/- 1,5
77
+/- 1,5
77
+/- 1,5
Sound power level LwA MAX
including KwA = 1,5dB * dB(A) 94 94 94 94 91 91 91 91 92 92
Vibration ISO 5349 m/s² ≤2,5 ≤2,5 ≤2,5 ≤2,5 ≤2,5 ≤2,5 ≤2,5 ≤2,5 ≤2,5 ≤2,5
Recoil forces N 18.2 30.1 33.3 33.3 36 37 38 38 42 42
Heating capacity kW 48 61 51 61 66 66 66 66 66 66
Fuel tank l15 15 15 151515 15 15 15 15
Detergent tank A / B l10 10 10 101010 10 10 10 10
Oil quantity l1 1 1 111 1 1 1 1
Oil type BP Energol
GR-XP 220
* Noise emission acc. to EN 60335-2-79 ZAA.2.7

HEAD QUARTER
DENMARK
Nilfisk A/S
Kornmarksvej 1
DK-2605 Brøndby
Tel.: [phone]
www.nilfisk.com
SALES COMPANIES
ARGENTINA
Nilfisk srl.
Edificio Central Park
Herrera 1855, 6th floor/604
Ciudad de Buenos Aires
Tel.: [phone]
www.nilfisk.com.ar
AUSTRALIA
Nilfisk Pty Ltd
Unit 1/13 Bessemer Street
Blacktown NSW 2148
Tel.: [phone]
www.nilfisk.com.au
AUSTRIA
Nilfisk GmbH
Metzgerstrasse 68
5101 Bergheim bei Salzburg
Tel.: [phone]
www.nilfisk.at
BELGIUM
Nilfisk n.v-s.a.
Riverside Business Park
Boulevard Internationalelaan 55
Bâtiment C3/C4 Gebouw
Bruxelles 1070
Tel.: [phone]
www.nilfisk.be
BRAZIL
Nilfisk do Brasil
Av. Eng. Luis Carlos Berrini, 550
40 Andar, Sala 03
SP - 04571-000 Sao Paulo
Tel.: [phone]
www.nilfisk.com.br
CANADA
Nilfisk Canada Company
240 Superior Boulevard
Mississauga, Ontario L5T 2L2
Tel.: [phone]
www.nilfisk.ca
CHILE
Nilfisk S.A. (Comercial KCS Ltda)
Salar de Llamara 822
8320000 Santiago
Tel.: [phone]
www.nilfisk.cl
CHINA
Nilfisk
4189 Yindu Road
Xinzhuang Industrial Park
201108 Shanghai
Tel.: [phone]
www.nilfisk.cn
CZECH REPUBLIC
Nilfisk s.r.o.
VGP Park Horní Počernice
Do Čertous 1/2658
193 00 Praha 9
Tel.: [phone]
www.nilfisk.cz
DENMARK
Nilfisk Danmark A/S
Industrivej 1
Hadsund, DK-9560
Tel.: [phone]
www.nilfisk.dk
FINLAND
Nilfisk Oy Ab
Koskelontie 23 E
02920 Espoo
Tel.: [phone]
www.nilfisk.fi
FRANCE
Nilfisk SAS
26 Avenue de la Baltique
Villebon sur Yvette
91978 Courtabouef Cedex
Tel.: [phone]
www.nilfisk.fr
GERMANY
Nilfisk GmbH
Guido-Oberdorfer-Straße 2-10
89287 Bellenberg
Tel.: (+49) (0)7306/72-444
www.nilfisk.de
GREECE
Nilfisk A.E.
Αναπαύσεως 29
Κορωπί Τ.Κ. 194 00
Tel.: [phone]
www.nilfisk.gr
HOLLAND
Nilfisk B.V.
Versterkerstraat 5
1322 AN Almere
Tel.: [phone]
www.nilfisk.nl
HONG KONG
Nilfisk Ltd.
2001 HK Worsted Mills
Industrial Building
31-39, Wo Tong Tsui St.
Kwai Chung, N.T.
Tel.: [phone]
www.nilfisk.com
HUNGARY
Nilfisk Kft.
II. Rákóczi Ferenc út 10
2310 Szigetszentmiklós-Lakihegy
Tel.: [phone]
www.nilfisk.hu
INDIA
Nilfisk India Limited
Pramukh Plaza, ‘B’ Wing, 4th floor, Unit
No. 403
Cardinal Gracious Road, Chakala
Andheri (East) Mumbai 400 099
Tel.: [phone]
www.nilfisk.in
IRELAND
Nilfisk
1 Stokes Place
St. Stephen’s Green
Dublin 2
Tel.: [phone]
www.nilfisk.ie
ITALY
Nilfisk SpA
Strada Comunale della Braglia, 18
26862 Guardamiglio (LO)
Tel.: (+39) (0) 377 414021
www.nilfisk.it
JAPAN
Nilfisk Inc.
1-6-6 Kita-shinyokohama, Kouhoku-ku
Yokohama, 223-0059
Tel.: [phone]
www.nilfisk.com
MALAYSIA
Nilfisk Sdn Bhd
Sd 33, Jalan KIP 10
Taman Perindustrian KIP
Sri Damansara
52200 Kuala Lumpur
Tel.: [phone]
www.nilfisk.com
MEXICO
Nilfisk de Mexico, S. de R.L. de C.V.
Pirineos #515 Int.
60-70 Microparque
Industrial WSantiago
76120 Queretaro
Tel.: (+52) (442) 427 77 00
www.nilfisk.com
NEW ZEALAND
Nilfisk Limited
Danish House
6 Rockridge Avenue
Penrose, Auckland 1061
Tel.: [phone]
www.nilfisk.com.au
NORWAY
Nilfisk AS
Bjørnerudveien 24
1266 Oslo
Tel.: [phone]
www.nilfisk.no
PERU
Nilfisk S.A.C.
Calle Boulevard 162, Of. 703, Lima 33-
Perú
Lima
Tel.: [phone]
www.nilfisk.com
POLAND
Nilfisk Sp. Z.O.O.
Millenium Logistic Park
ul. 3 Maja 8, Bud. B4
05-800 Pruszków
Tel.: [phone]
www.nilfisk.pl
PORTUGAL
Nilfisk Lda.
Sintra Business Park
Zona Industrial Da Abrunheira
Edificio 1, 1° A
P2710-089 Sintra
Tel.: [phone]
www.nilfisk.pt
RUSSIA
Nilfisk LLC
Vyatskaya str. 27, bld. 7/1st
127015 Moscow
Tel.: [phone]
www.nilfisk.ru
SINGAPORE
Den-Sin
22 Tuas Avenue 2
639453 Singapore
Tel.: [phone]
www.densin.com
SLOVAKIA
Nilfisk s.r.o.
Bancíkovej 1/A
SK-821 03 Bratislava
Tel.: [phone]
www.nilfisk.sk
SOUTH AFRICA
WAP South Africa
12 Newton Street
Spartan 1630
Tel.: [phone]
www.wap.com.za
SOUTH KOREA
Nilfisk Korea
3F Duksoo B/D, 317-15
Sungsoo-Dong 2Ga
Sungdong-Gu, Seoul
Tel.: [phone]
www.nilfisk.co.kr
SPAIN
Nilfisk S.A.
Torre d’Ara,
Passeig del Rengle, 5 Plta. 10a
08302 Mataró
Tel.: [phone]
www.nilfisk.es
SWEDEN
Nilfisk AB
Taljegårdsgatan 4
431 53 Mölndal
Tel.: [phone]
www.nilfisk.se
SWITZERLAND
Nilfisk AG
Ringstrasse 19
Kircheberg/Industri Stelz
9500 Wil
Tel.: [phone]
www.nilfisk.ch
TAIWAN
Nilfisk Ltd
Taiwan Branch (H.K)
No. 5, Wan Fang Road
Taipei
Tel.: [phone]
www.nilfisk.tw
THAILAND
Nilfisk Co. Ltd.
89 Soi Chokechai-Ruammitr
Viphavadee-Rangsit Road
Ladyao, Jatuchak, Bangkok 10900
Tel.: [phone]
www.nilfisk.co.th
TURKEY
Nilfisk A.S.
Serifali Mh. Bayraktar Bulv. Sehit Sk. No:7
Ümraniye, 34775 Istanbul
Tel.: [phone]
www.nilfisk.com.tr
UNITED ARAB EMIRATES
Nilfisk Middle East Branch
SAIF-Zone
P.O. Box 122298
Sharjah
Tel.: (+971) (0) 655-78813
www.nilfisk.com
UNITED KINGDOM
Nilfisk Ltd.
Nilfisk House, Bowerbank Way
Gilwilly Industrial Estate, Penrith
Cumbria CA11 9BQ
Tel: (+44) (0) 1768 868995
www.nilfisk.co.uk
UNITED STATES
Nilfisk Inc.
14600 21st Avenue North
Plymouth, MN-55447
Tel.: [phone]
www.nilfisk.com
VIETNAM
Nilfisk Vietnam
No. 51 Doc Ngu Str.
P. Vinh Phúc, Q.Ba Dinh
Hanoi
Tel.: [phone]
www.nilfisk.com