Karcher HDS 9/18-4M – page 2
Manual for Karcher HDS 9/18-4M

Technische Daten
HDS 7/9 HDS 7/10 HDS 7/12 HDS 8/17
Netzanschluss
Spannung V 100 240 230 400
Stromart Hz 1~ 50 1~ 50 1~ 50 3~ 50
Anschlussleistung kW 3,2 3,1 3,4 5,5
Absicherung (träge) A 30 13 16 16
Maximal zulässige Netzimpedanz Ohm -- -- (0,321+
--
j0,200)
Wasseranschluss
Zulauftemperatur (max.) °C 30 30 30 30
Zulaufmenge (min.) l/h (l/min) 1000 (16,7) 1000 (16,7) 1000 (16,7) 1100 (18,3)
Saughöhe aus offenem Behälter (20 °C) m 0,5 0,5 0,5 0,5
Zulaufdruck (max.) MPa (bar) 0,6 (6) 0,6 (6) 0,6 (6) 0,6 (6)
Leistungsdaten
Fördermenge Wasser l/h (l/min) 350-700
350-700
350-700
400-800
(5,8-11,7)
(5,8-11,7)
(5,8-11,7)
(6,7-13,3)
Arbeitsdruck Wasser (mit Standarddüse) MPa (bar) 3-9 (30-90) 3-10 (30-
3-12 (30-
3-17 (30-
100)
120)
170)
Max. Betriebsüberdruck (Sicherheitsven-
MPa (bar) 11 (110) 13 (130) 15 (150) 20,5 (205)
til)
Fördermenge Dampfbetrieb l/h (l/min) 330-360
330-360
330-360
340-420
(5,5-6)
(5,5-6)
(5,5-6)
(5,6-7)
Max. Arbeitsdruck Dampfbetrieb (mit
MPa (bar) 3,2 (32) 3,2 (32) 3,2 (32) 3,2 (32)
Dampfdüse)
Teile-Nr. Dampfdüse -- 2.885-119.0 2.885-119.0 2.885-039.0 2.885-119.0
Max. Arbeitstemperatur Heißwasser °C 98 98 98 98
Arbeitstemperatur Dampfbetrieb °C 155 155 155 155
Reinigungsmittelansaugung l/h (l/min) 0-45 (0-
0-45 (0-
0-45 (0-
0-50 (0-0,8)
0,75)
0,75)
0,75)
Brennerleistung kW 58 58 58 67
Maximaler Heizölverbrauch kg/h 4,6 4,6 4,6 5,3
Rückstoßkraft der Handspritzpistole
N 13,5 17,9 17,9 24,3
(max.)
Düsengröße -- 060 054 047 047
Ermittelte Werte gemäß EN 60335-2-79
Geräuschemission
Schalldruckpegel L
pA
dB(A) 70 70 70 71
Unsicherheit K
pA
dB(A) 2 2 2 2
Schallleistungspegel L
WA
+ Unsicherheit
dB(A) 88 88 88 88
K
WA
Hand-Arm Vibrationswert
2
Handspritzpistole m/s
1,1 1,1 1,1 1,0
2
Strahlrohr m/s
3,4 3,4 3,4 3,4
2
Unsicherheit K m/s
1,0 1,0 1,0 1,0
Betriebsstoffe
Brennstoff -- Heizöl EL
Heizöl EL
Heizöl EL
Heizöl EL
oder Diesel
oder Diesel
oder Diesel
oder Diesel
Ölmenge l 0,75 0,75 0,75 0,75
Ölsorte -- 0W40 0W40 0W40 SAE 90
Maße und Gewichte
Länge x Breite x Höhe mm 1330 x 750 x
1330 x 750 x
1330 x 750 x
1330 x 750 x
1060
1060
1060
1060
Gewicht ohne Zubehör, M/S kg 163 146 146 155
Gewicht ohne Zubehör, MX/SX kg 171 154 154 163
Brennstofftank l 25 25 25 25
Reinigungsmitteltank l 10+20 10+20 10+20 10+20
– 15
21DE

HDS 8/18
Netzanschluss
Spannung V 230 400
Stromart Hz 3~ 50 3~ 50
Anschlussleistung kW 5,5 5,5
Absicherung (träge) A 16 16
Maximal zulässige Netzimpedanz Ohm --
Wasseranschluss
Zulauftemperatur (max.) °C 30
Zulaufmenge (min.) l/h (l/min) 1100 (18,3)
Saughöhe aus offenem Behälter (20 °C) m 0,5
Zulaufdruck (max.) MPa (bar) 0,6 (6)
Leistungsdaten
Fördermenge Wasser l/h (l/min) 400-800 (6,7-13,3)
Arbeitsdruck Wasser (mit Standarddüse) MPa (bar) 3-18 (30-180)
Max. Betriebsüberdruck (Sicherheitsventil) MPa (bar) 20,5 (205)
Fördermenge Dampfbetrieb l/h (l/min) 340-420 (5,6-7)
Max. Arbeitsdruck Dampfbetrieb (mit Dampfdüse) MPa (bar) 3,2 (32)
Teile-Nr. Dampfdüse -- 2.885-119.0
Max. Arbeitstemperatur Heißwasser °C 98
Arbeitstemperatur Dampfbetrieb °C 155
Reinigungsmittelansaugung l/h (l/min) 0-50 (0-0,8)
Brennerleistung kW 67
Maximaler Heizölverbrauch kg/h 5,3
Rückstoßkraft der Handspritzpistole (max.) N 24,3
Düsengröße -- 043
Ermittelte Werte gemäß EN 60335-2-79
Geräuschemission
Schalldruckpegel L
pA
dB(A) 71
Unsicherheit K
pA
dB(A) 2
Schallleistungspegel L
WA
+ Unsicherheit K
WA
dB(A) 88
Hand-Arm Vibrationswert
2
Handspritzpistole m/s
1,0
2
Strahlrohr m/s
3,4
2
Unsicherheit K m/s
1,0
Betriebsstoffe
Brennstoff -- Heizöl EL oder Diesel
Ölmenge l 0,75
Ölsorte -- SAE 90
Maße und Gewichte
Länge x Breite x Höhe mm 1330 x 750 x 1060
Gewicht ohne Zubehör, M/S kg 155
Gewicht ohne Zubehör, MX/SX kg 163
Brennstofftank l 25
Reinigungsmitteltank l 10+20
22 DE
– 16

HDS 9/18 HDS 10/20 HDS 12/18
Netzanschluss
Spannung V 230 400 230 400 400
Stromart Hz 3~ 50 3~ 50 3~ 50 3~ 50 3~ 50
Anschlussleistung kW 6,4 6,4 7,8 7,8 8,4
Absicherung (träge) A 28 16 28 16 16
Maximal zulässige Netzimpedanz Ohm -- (0,169+ j0,105) (0,163+ j0,102)
Wasseranschluss
Zulauftemperatur (max.) °C 30 30 30
Zulaufmenge (min.) l/h (l/min) 1200 (20) 1300 (21,7) 1500 (25)
Saughöhe aus offenem Behälter (20 °C) m 0,5 0,5 0,5
Zulaufdruck (max.) MPa (bar) 0,6 (6) 0,6 (6) 0,6 (6)
Leistungsdaten
Fördermenge Wasser l/h (l/min) 450-900 (7,5-
500-1000 (8,3-
600-1200 (10-
15)
16,7)
20)
Arbeitsdruck Wasser (mit Standarddüse) MPa (bar) 3-18 (30-180) 3-20 (30-200) 3-18 (30-180)
Max. Betriebsüberdruck (Sicherheitsventil) MPa (bar) 21,5 (215) 24 (240) 21,5 (215)
Fördermenge Dampfbetrieb l/h (l/min) 390-450 (6,5-
460-520 (7,6-
550-610 (9,1-
7,5)
8,6)
10,1)
Max. Arbeitsdruck Dampfbetrieb (mit Dampf-
MPa (bar) 3,2 (32) 3,2 (32) 3,2 (32)
düse)
Teile-Nr. Dampfdüse -- 2.885-040.0 2.885-041.0 2.885-120.0
Max. Arbeitstemperatur Heißwasser °C 98 98 98
Arbeitstemperatur Dampfbetrieb °C 155 155 155
Reinigungsmittelansaugung l/h (l/min) 0-54 (0-0,9) 0-60 (0-1) 0-72 (0-1,2)
Brennerleistung kW 75 83 100
Maximaler Heizölverbrauch kg/h 5,8 6,4 7,7
Rückstoßkraft der Handspritzpistole (max.) N 28,2 33,0 37,6
Düsengröße -- 050 054 068
Ermittelte Werte gemäß EN 60335-2-79
Geräuschemission
Schalldruckpegel L
pA
dB(A) 71 73 73
Unsicherheit K
pA
dB(A) 2 2 2
Schallleistungspegel L
WA
+ Unsicherheit
dB(A) 88 90 90
K
WA
Hand-Arm Vibrationswert
2
Handspritzpistole m/s
1,0 1,2 1,5
2
Strahlrohr m/s
3,6 5,2 4,8
2
Unsicherheit K m/s
1,0 1,0 1,0
Betriebsstoffe
Brennstoff -- Heizöl EL oder
Heizöl EL oder
Heizöl EL oder
Diesel
Diesel
Diesel
Ölmenge l 0,75 1,0 1,0
Ölsorte -- SAE 90 SAE 90 SAE 90
Maße und Gewichte
Länge x Breite x Höhe mm 1330 x 750 x
1330 x 750 x
1330 x 750 x
1060
1060
1060
Gewicht ohne Zubehör, M/S kg 156 171 178
Gewicht ohne Zubehör, MX/SX kg 161 180 185
Brennstofftank l 25 25 25
Reinigungsmitteltank l 10+20 10+20 10+20
– 17
23DE

Wiederkehrende Prüfungen
Hinweis: Die Prüffristempfehlungen entsprechend der jeweiligen nationalen Anforderun-
gen des Betreiberlandes sind zu beachten.
Prüfung durchge-
Äußere Prüfung Innere Prüfung Festigkeitsprü-
führt durch:
fung
Name Unterschrift der be-
Unterschrift der be-
Unterschrift der be-
fähigten Person/
fähigten Person/
fähigten Person/
Datum
Datum
Datum
Name Unterschrift der be-
Unterschrift der be-
Unterschrift der be-
fähigten Person/
fähigten Person/
fähigten Person/
Datum
Datum
Datum
Name Unterschrift der be-
Unterschrift der be-
Unterschrift der be-
fähigten Person/
fähigten Person/
fähigten Person/
Datum
Datum
Datum
Name Unterschrift der be-
Unterschrift der be-
Unterschrift der be-
fähigten Person/
fähigten Person/
fähigten Person/
Datum
Datum
Datum
Name Unterschrift der be-
Unterschrift der be-
Unterschrift der be-
fähigten Person/
fähigten Person/
fähigten Person/
Datum
Datum
Datum
Name Unterschrift der be-
Unterschrift der be-
Unterschrift der be-
fähigten Person/
fähigten Person/
fähigten Person/
Datum
Datum
Datum
24 DE
– 18

Please read and comply with
Environmental protection
these original instructions prior
English
to the initial operation of your appliance and
The packaging material can be
store them for later use or subsequent own-
recycled. Please do not throw
ers.
the packaging material into
– Before first start-up it is definitely nec-
household waste; please send it
essary to read the operating instruc-
for recycling.
tions and safety indications Nr. 5.951-
Old appliances contain valuable
949!
materials that can be recycled;
– In case of transport damage inform ven-
these should be sent for recy-
dor immediately
cling. Batteries, oil, and similar
– Check the contents of the pack before
substances must not enter the
unpacking.
environment. Please dispose of
your old appliances using ap-
Contents
propriate collection systems.
Environmental protection . . EN . . .1
Please do not release engine oil, fuel oil,
Symbols in the operating in-
structions . . . . . . . . . . . . . . EN . . .1
diesel and petrol into the environment Pro-
tect the ground and dispose of used oil in
Overview . . . . . . . . . . . . . . EN . . .2
an environmentally-clean manner.
Symbols on the machine . . EN . . .2
Proper use . . . . . . . . . . . . . EN . . .2
Notes about the ingredients (REACH)
Safety instructions . . . . . . . EN . . .3
You will find current information about the
Safety Devices . . . . . . . . . . EN . . .3
ingredients at:
Start up. . . . . . . . . . . . . . . . EN . . .3
www.kaercher.com/REACH
Operation . . . . . . . . . . . . . . EN . . .6
Symbols in the operating
Storage. . . . . . . . . . . . . . . . EN . . .9
instructions
Transport . . . . . . . . . . . . . . EN . . .9
Maintenance and care . . . . EN . . .9
Danger
Troubleshooting . . . . . . . . . EN . .10
Immediate danger that can cause severe
Warranty. . . . . . . . . . . . . . . EN . .12
injury or even death.
Accessories and Spare Parts EN . .12
몇 Warning
EC Declaration of Conformity EN . .13
Possible hazardous situation that could
Technical specifications . . . EN . .14
lead to severe injury or even death.
Recurring tests . . . . . . . . . . EN . .17
Caution
Possible hazardous situation that could
lead to mild injury to persons or damage to
property.
– 1
25EN

32 Oil drain screw
Overview
33 Backflow valve of the detergent infeed
34 Detergent suction hose 1 with filter
Device elements
35 Detergent suction hose 2 with filter
Figure 1
36 Fuel filter
1 Cover
37 Service switch
2 Support for spray lance
38 Water shortage safe guard with sieve
(both sides)
39 Float tank
3 System care Advance RM 110/RM 111
40 Fine filter (water)
4 Steering roller with fixed position brake
Operating field
5 Mounting location for transport
(both sides)
Figure 2
6 Folding compartment
A Power switch
(M/S only)
B Temperature controller
7 High pressure connection
C Dosage valve for detergent
(M/S only)
D Manometer
8 High pressure hose
1 Indicator lamp pump
9 Hand spraygun
2 Indicator lamp rotation direction
10 Spray lance
(not HDS 7/9, HDS 7/10, HDS 7/12)
11 High-pressure nozzle (stainless steel)
3 “Ready for use” indicator lamp
12 Steam nozzle (brass)
4 Fuel indicator lamp
13 Power supply
5 Indicator lamp : Detergent 1
14 Safety latch of the hand spray gun
(HDS 12/18 only)
15 Pressure/ quantity regulation at the
6 Engine indicator lamp
hand spray gun
7 Indicator lamp burner failure
16 Connection for water supply with filter
8 Indicator lamp service
17 Exit opening of the high-pressure hose
9 Indicator lamp system care
(MX/SX only)
10 Indicator lamp : Detergent 2
18 Step depression
(HDS 12/18 only)
19 Pouring vent for detergent 2
Symbols on the machine
20 Hand crank for hose drum
(MX/SX only)
High-pressure jets can be dan-
21 Pouring vent for detergent 1
gerous if improperly used. The
22 Hose drum
jet may not be directed at per-
sons, animals, live electrical equipment or
(MX/SX only)
at the appliance itself.
23 Pouring vent for fuel
24 Handle
Proper use
25 Operating field
Cleaning of: Machines, Vehicles, Struc-
26 Closing flap for storage compartment
tures, Tools, Facades, Terraces, Garden-
27 Storage compartment for accessories
ing tools, etc.
28 Nameplate
Danger
29 Cover lock
Risk of injury! Follow the respective safety
30 Oil tank
regulations when operating at gas stations
31 Pressure/quantity regulation of the
or other dangerous areas.
pump unit
26 EN
– 2

Please do not let mineral oil contaminated
Overflow valve with two pressure
waste water reach soil, water or the sew-
switches
age system. Perform engine cleaning and
– While reducing the water supply at the
bottom cleaning therefore only on speci-
pump head or with the Servopress -
fied places with an oil trap.
regulation the overflow valve opens and
part of the water flows back to the pump
Safety instructions
suck side.
– Please follow the national rules and
– If the hand-spray gun is closed, so that
regulations for fuel spray jets of the re-
the whole water flows back to the pump
spective country.
suck side, the pressure switch at the
– Please follow the national rules and
overflow valve shuts down the pump.
regulations for accident prevention of
– If the hand spray gun is opened, the
the respective country. Fuel spray jets
pressure switch on the cylinder head
must be tested regularly and the results
turns the pump back on.
of these tests must be documented in
The overflow valve is set by the manufac-
writing.
turer and sealed. Setting only by customer
– The heating appliance of the machine is
service.
an ignition plant. All national laws and
Safety valve
regulations about heating systems must
also be followed.
– The safety valve opens, when the over-
– As per the applicable national guide-
flow valve resp. the pressure switch is
lines, the first time this high-pressure
broken.
cleaner must be taken into operation by
The safety valve is set by the manufacturer and
a skilled person. KÄRCHER has al-
sealed. Setting only by customer service.
ready performed this initial start-up for
Water shortage safeguard
you and has documented it accordingly.
The documentation can be requested at
– The water shortage safeguard prevents
your KÄRCHER partner. Please have
the burner to be turned on when there is
the part and plant number of the appli-
water shortage.
ance available when enquiring about
– A sieve prevents the contamination of
the documentation.
the safeguard and must be cleaned reg-
– We would like to point out that the appli-
ulary.
ance must be repeatedly checked by a
Temperature stop for exhaust gases
skilled person as prescribed by the ap-
plicable national regulations. Please
– The temperature stop switches off the
contact your KÄRCHER partner.
machine when the waste gases have
reached very high temperatures.
Safety Devices
Start up
Safety devices serve for the protection of
the user and must not be put out of opera-
몇 Warning
tion or bypassed with respect to their func-
Risk of injury! Device, tubes, high pressure
tion.
hose and connections must be in faultless
condition. Otherwise, the appliance must
not be used.
Lock parking brake.
– 3
27EN

Installing the handle
Refill fuel
Figure 3
Danger
Caution
Risk of explosion! Only refill diesel oil or
Hook the electric supply line into the cable
light fuel oil. Unsuitable fuels, e.g. petrol,
guide of the right handle bow. Ensure that
are not to be used.
the cable is not damaged.
Caution
Replace the system care bottle
Never operate device with empty fuel tank
The fuel pump will otherwise be destroyed.
Note: Push the bottle in securely to pene-
Refill fuel.
trate the closure. Do not remove bottle until
Close tank lock.
it is empty.
Wipe off spilled fuel.
Note: To protect the device, the burner is
switched off 5 hours after the system care
Refill detergent
bottle is empty.
Caution
– The system care prevents the calcifica-
Risk of injury!
tion of the heating spiral while operating
– Use Kärcher products only.
with calciferous tap water. It is dosed
into the supply in the float container
– Under no circumstances fill solvents
drop by drop.
(petrol, aceton, diluting agent etc.)
– The metering is set to medium water ri-
– Avoid eye and skin contact.
gidity by the manufacturer
– Observe safety and handling instruc-
Note: A system care bottle is included in
tions by the detergent manufacturer.
the delivery.
Kärcher offers an individual cleaning
Replace the system care bottle.
and care appliances program.
Your dealer will consult you gladly.
Adjusting the dosage of the system
Refill detergent.
care Advance RM 110/RM 111
Install the hand-spray gun, the jet
Determining the hardness of tap water:
pipe, the nozzle and the high
– through the public water supply works,
pressure hose
– using a hardness tester (order no.
6.768-004)
Figure 4
Connect ray tube with hand spray gun
Water hard-
Scale on the service switch
Tighten the screw connection of the
ness (°dH)
spray lance fingertight.
<3 OFF (no dosing)
Insert high pressure nozzle into cover-
3...7 1
ing nut
7...14 2
Install covering nut and tighten firmly
14...21 3
Appliance without hose drum:
>21 4
Connect the high pressure hose to the
high pressure connection point of the
Set the service switch according to the
machine.
water hardness in the table.
Device with hose drum:
Note: Observe the following when using
Connect high pressure hose to hand
system care Advance 2 RM 111:
spray gun
– Calcification protection: See table
Caution
– Pump care and black water protection: Set
Always unwind high pressure hose completely
the service switch to at least setting 3.
28 EN
– 4

Figure 9
Installing the replacement
Remove the system care reservoir.
high-pressure hose (appliances
Unscrew the top supply hose to the
without hose drum)
swimmer container.
Figure 5
Figure 10
Connect the top supply hose at pump
Installing the replacement
head.
high-pressure hose (appliances
Replug the rinse line of the detergent
with hose drum)
dosing valve.
Figure 6
Connect suction hose (minimum diame-
Completely roll off the high-pressure
ter 3/4“) with filter (accessory) to the
hose from the hose drum.
water connection point.
Rotate the hose drum until the screwed-
– Max. suck height: 0.5 m
on semibowl is pointing toward the top.
Until the pump sucked in water, you should:
Loosen all three screws and remove the
Set the pressure/quantity regulation at
loosened semibowl.
the pump unit to maximum quantity.
Figure 7
Close the dosing valve for the detergent.
Unlatch the fastening clamp for the high-
Danger
pressure hose and pull the hose out.
Never suck in water from a drinking water
Route the new high-pressure hose
container. Never suck in liquids which con-
through the intended hose guide and
the deflection pulley at the bottom of the
tain solvents like lacquer thinner, petrol, oil
appliance.
or unfiltered water. The sealings within the
Slide the hose nipple all the way into the
device are not solvent resistant. The spray
knot section of the hose drum and se-
mist of solvents is highly inflammable, ex-
cure with the fastening clamp.
plosive and poisonous.
Replace the half bowl.
Note: Assembly in reverse order. Ensure
that the solenoid valve cable on the reser-
Water connection
voir of the system care is not pinched.
For connection values refer to technical
Power connection
specifications
Connect the supply hose (minimum
– For connection values, see technical
length 7.5 m, minimum diameter 3/4“) to
data and type plate.
the water connection point of the ma-
– The electrical connections must be
chine and at the water supply point (for
done by an electrician according to IEC
e.g. a tap).
60364-1.
Note: The supply hose is not included.
Danger
Suck in water from vessel
Danger of injury by electric shock.
If you want to suck in water from an exter-
– Unsuitable extension cables can be
nal vessel, the following modification is
hazardous. Only use extension cables
necessary:
outdoors which have been approved for
Figure 8
this purpose and labelled with a suffi-
Remove the system care bottle.
cient cable cross section:
Release and remove the cover of the
– Always unwind extension lines com-
system care.
pletely.
Remove water connection from the fine
– The plug and coupling of the extension
filter.
cable used must be watertight.
Unscrew the fine filter from the pump
head.
– 5
29EN

Caution
Operating modes
The highest allowed net impedance at the
electrical connection point (refer to techni-
cal data) is not to be exceeded. In case of
confusion regarding the power impedance
present on your connection, please contact
your utilities provider.
Operation
Danger
Risk of explosion!
Do not spray flammable liquids.
Danger
0/OFF =Off
1 Operating with cold water
Risk of injury! Never use the appliance
without the spray lance attached. Check
2 Eco operation (hot water max. 60 °C)
and ensure proper fitting of the spray lance
3 Operating with hot water/steam
prior to each use. The screw connection of
Turning on the Appliance
the spray lance must be fingertight.
Set appliance switch to desired operat-
Caution
ing mode.
Never operate device with empty fuel tank
Indicator lamp for operational readiness
The fuel pump will otherwise be destroyed.
lights up.
Safety instructions
The device starts briefly and turns off, as
soon as the working pressure is reached.
몇 Warning
Note: If the indicator lamps for pump, rota-
Long hours of using the appliance can
tion direction, burner malfunction or engine
cause circulation problems in the hands on
are on during operation, turn off the appli-
account of vibrations.
ance immediately and repair malfunction,
It is not possible to specify a generally valid
refer to "Help with malfunctions".
operation time, since this depends on sev-
Release the trigger gun.
eral factors:
When activating the hand spray gun the de-
– Proneness to blood circulation deficien-
vice switches back on.
cies (cold, numb fingers).
Note:If no water comes out of the high
– Low ambient temperature. Wear warm
pressure nozzle, vent pump. Refer to "Help
gloves to protect hands.
with malfunctions - appliance is not building
– A firm grip impedes blood circulation.
up pressure".
– Continuous operation is worse than an
Adjust cleaning temperature
operation interrupted by pauses.
Set temperature regulator to desired
In case of regular, long-term operation of
temperature.
the device and in case of repeated occur-
30 °C to 98 °C
rence of the symptoms (e.g. cold, numb fin-
– Clean with hot water.
gers) please consult a physician.
100 °C to 150 °C
Replace the nozzle
– Clean using steam.
Danger
Switch the appliance off prior to replacing
Replace the high-pressure nozzle
nozzel and activate hand spray gun until
(stainless steel) with steam nozzle
device is pressureless.
(brass), (refer to "Using steam").
30 EN
– 6

Set working pressure and flow rate
Recommended cleaning method
– Loosen the dirt:
Pressure/quantity regulation of the
Spray detergent economically and let it
pump unit
work for 1...5 minutes but do not let it
Turn the regulation spindle in a clock-
dry up.
wise direction: Increase working pres-
– Remove the dirt:
sure (MAX).
Spray off loosened dirt with the high-
Turn the regulation spindle in an anti-
pressure jet.
clockwise direction: Reduce working
Operating with cold water
pressure (MIN).
Pressure/ quantity regulation at the
Removal of light contaminations and clear
hand spray gun
rinse, i.e.: Gardening tools, terrace, tools, etc.
Set thermostat to max. 98 °C.
Set operating pressure according to
need.
Set the operating pressure on the pump
unit to the maximum value.
Eco operation
Set the working pressure and feed
The appliance works in the most economi-
quantity by turning (steplessly) the
cal temperature range.
pressure/quantity regulation mecha-
Note: The temperature can be regulated
nism at the hand spray gun (+/-).
up to 60 °C.
Danger
Operating with hot water/steam
When adjusting the pressure/quantity regu-
lation, make sure that the screw connection
We recommend the following cleaning tem-
of the spray lance does not become loose.
peratures:
Note: For long term work with low pres-
– Light contaminations
sure, set pressure at the pump unit.
30-50 °C
Operation with detergent
– Contaminations containing protein, i.e.
in the food processing industry
– For considerate treatment of the envi-
max. 60 °C
ronment use detergent economically.
– Vehicle cleaning, machine cleaning
– The detergent must be suitable for the
60-90 °C
surface to be cleaned.
– De-preserve, contaminations contain-
With support of the detergent dose
ing strong fat contents
valve set detergent concentration as
100-110 °C
determined by the manufacturer.
– De-frosting of surcharge substances,
Note: Recommended values at the control
partially facade cleaning
panel at maximum working pressure.
up to 140 °C
Cleaning
Operating with hot water
Set pressure/temperature and deter-
Danger
gent concentration according to the sur-
Scalding danger!
face to be cleaned.
Set temperature regulator to desired
Note: To prevent damage due to too much
temperature.
pressure, always position high pressure ray
first from a greater distance towards object
to be cleaned.
– 7
31EN

Operating with steam
Storing the Appliance
Danger
Lock in the steel pipe into the holder of
Scalding danger! The operating pressure
the appliance hood.
must not exceed 3,2 MPa (32 bar) when
Roll up high pressure hose and electri-
operating with temperatures above 98 °C.
cal conduit and hang them into the re-
Therefore the following measures must
spective holders.
definitely be performed:
Device with hose drum:
Before rolling up, stretch out the high
Replace high pressure nozzle (stain-
pressure hose.
less steel) with steam nozzle (brass,
Turn the hand crank clockwise (Direc-
order see specification).
tion of the arrow).
Open up the pressure/ quantity regula-
Note: Do not twist high pressure hose and
tor on the hand spray gun completely,
electrical conduit.
direction + until stop.
Frost protection
Set the operating pressure on the pump
unit to the minimum value.
Caution
Set temperature regulator to min. 100 °C.
Frost will destroy the not completely water
drained device.
After operation with detergent
Store in a frost free area.
Set dosing value for detergent to "0".
If the device is connected to a chimney, the
Set the appliance switch to "1" (opera-
following must be observed:
tion with cold water).
Caution
Open the hand spray gun and rinse the
Threat of damage by penetrating cold air
appliance for at least 1 minute.
through the chimney.
Turn off the appliance
Disconnect device from chimney when
outside temperature drops below 0 °C.
Danger
If it is not possible to store frost free, shut
Danger of scalding by hot water. After the
down device.
operation with hot water or steam, the de-
Shutdown
vice must be operated with openend gun
with cold water for at least two minutes.
For longer work breaks or if a frost free stor-
Set the appliance switch to "0/OFF“.
age is not possible:
Shut off water supply.
Drain water.
Open the hand spray gun.
Flush device with anti-freeze agent.
Turn on pump shortly (appr. 5 seconds)
Empty detergent tank.
with device switch.
Dump water
Pull main plug out of socket with dry
Screw off water supply hose and high
hands only.
pressure hose.
Remove water connection.
Screw off supply hose at boiler bottom
Activate hand spray gun until device is
and drain heating spiral empty.
pressure less.
Operate device for max. 1 minute until
Lock the trigger gun.
the pump and conduits are empty.
32 EN
– 8

Your Kärcher vender will inform you
Flush device with anti-freeze agent
about the performance of a periodic
Note: Observe handling instructions of the
safety inspection resp. signing of a
anti-freeze agent manufacturer.
maintenance contract.
Fill anti-freeze agent of the trade into
swimmer container.
Maintenance intervals
Switch on appliance (without heater) till
Weekly
the appliance has been completely
Clean the sieve in the water connection.
rinsed.
Clean the fine filter.
A certain corrosion protection is achieved
with this as well.
Check oil level.
Caution
Storage
In case of lacteous oil inform Kärcher cus-
Caution
tomer service immediately
Risk of injury and damage! Note the weight
Monthly
of the appliance in case of storage.
Clean sieve in the water shortage safe
guard.
Transport
Clean filter at the detergent suck hose.
Figure 11
After 500 operating hours, at least annually
Caution
Oil change.
Risk of damage! When loading the appli-
At least every 5 years, recurring
ance with a forklift, observe the illustration.
Perform the pressure test as per manu-
Caution
facturer's instructions.
Risk of injury and damage! Observe the
weight of the appliance when you transport it.
Maintenance Works
When transporting in vehicles, secure
Clean the sieve in the water connection
the appliance according to the guide-
Take out sieve.
lines from slipping and tipping over.
Clean sieve in water and reinstall.
Maintenance and care
Cleaning the fine filter
Danger
Unpressurize the appliance.
Unscrew the fine filter from the pump head.
Risk of injury by inadvertent startup of ap-
pliance and electrical shock.
Remove the fine filter and the filter insert.
First pull out the plug from the mains before
Clean the filter with clean water or com-
carrying out any tasks on the machine.
pressed air.
Set the appliance switch to "0/OFF“.
Reinstall in reverse sequence.
Shut off water supply.
Clean sieve in the water shortage safe
Open the hand spray gun.
guard
Turn on pump shortly (appr. 5 seconds)
Loosen covering nut and take off hose.
with device switch.
Take out sieve.
Pull main plug out of socket with dry
Note: If necessary turn in screw M8 appr. 5
hands only.
mm inwards and therewith pull out sieve.
Remove water connection.
Clean sieve in water.
Activate hand spray gun until device is
Push sieve inwards.
pressure less.
Put on hose.
Lock the trigger gun.
Tighten covering nut firmly.
Allow device to cool down.
– 9
33EN

Clean filter at the detergent suck hose
Indicator lamp "Ready for use"
Take out detergent suck supports.
turns off
Clean filter in water and reinstall.
– No line voltage, see "Appliance is not
Oil change
running".
Ready a catch bin for appr. 1 Liter oil.
Engine indicator lamp
Loosen release screw.
Dispose of old oil ecologically or turn in at
1x blinking
a gathering point.
– Contactor error
Set the appliance switch to "0/OFF“.
Tighten release screw.
Turn on the appliance.
Fill oil slowly up to the MAX marking.
– Error occurs repeatedly.
Note: Air pockets must be able to leak out.
Inform Customer Service
For oil type refer to technical specifica-
tions.
2x blinking
– Engine overload/overheat
Troubleshooting
Set the appliance switch to "0/OFF“.
Danger
Allow device to cool down.
Risk of injury by inadvertent startup of ap-
Turn on the appliance.
pliance and electrical shock.
– Error occurs repeatedly.
First pull out the plug from the mains before
Inform Customer Service
carrying out any tasks on the machine.
3x blinking
Indicator lamp pump
– Fault in the voltage supply.
Check main connections and mains
1x blinking
fuse.
– Lack of oil
4x blinking
Replenish oil.
– Excessive power consumption.
2x blinking
Check main connections and mains
– Leak in the high pressure system
fuse.
Check high pressure system and con-
Inform Customer Service
nections for tightness.
Indicator lamp burner failure
3x blinking
– Water shortage
1x blinking
Check water supply, check connec-
– The exhaust temperature limiter has
tions.
been triggered.
4x blinking
Set the appliance switch to "0/OFF“.
– Obstructed reed switch in the water
Allow device to cool down.
shortage safe guard.
Turn on the appliance.
Check water shortage safe guard.
– Error occurs repeatedly.
Inform Customer Service
Indicator lamp of rotational
direction is blinking (not HDS 7/9,
2x blinking (option)
HDS 7/10, HDS 7/12)
– The flame sensor turned the burner off.
Inform Customer Service
Figure 12
Exchange the poles at the appliance
plug.
34 EN
– 10

3x blinking
Device is not building up pressure
– System care detection defective
– Air within the system
Inform Customer Service
Vent pump:
4x blinking
Set dosing value for detergent to "0".
– Temperature sensor defective
With open hand spray gun turn device
Inform Customer Service
on and off multiple times with the device
switch.
Indicator lamp service
Open and close the pressure/quantity
– Service interval
regulation at the pump unit with the
Perform service work.
hand spray gun open.
Note: By dismantling the high pressure
Fuel indicator lamp glows
hose from the high pressure connection the
– Fuel tank empty.
venting process is accelerated.
Refill fuel.
If detergent tank is empty, refill.
Check connections and conduits.
Indicator lamp system care is
– Pressure is set to MIN
illuminated
Set pressure to MAX.
Note: Burner can operate 5 more hours.
– Sieve in the water connection is dirty
– System care bottle empty.
Clean sieve.
Replace the system care bottle.
Clean the fine filter; replace it, if necessary.
Indicator lamp system care is
– Amount of water supply is too low.
blinking
Check water supply level (refer to tech-
nical data).
Note: Burner operation no longer possible.
– System care bottle empty.
Device leaks, water drips from the
Replace the system care bottle.
bottom of the device
Indicator lamp detergent 1 is
– Pump leaky
illuminated (HDS 12/18 only)
Note: 3 drops/minute are allowed.
With stronger leak, have device
– Detergent tank 1 is empty.
checked by customer service.
Refill detergent.
Device turns on and off while hand
Indicator lamp detergent 2 is
spray gun is closed
illuminated (HDS 12/18 only)
– Leak in the high pressure system
– Detergent tank 2 is empty.
Check high pressure system and con-
Refill detergent.
nections for tightness.
Appliance is not running
– No power
Check power connection/conduit.
– 11
35EN

Device is not sucking in detergent
Warranty
Leave device running with open detergent
The warranty terms published by our com-
dosage valve and closed water supply, until
petent sales company are applicable in
the swimmer tank is sucked empty and the
each country. We will repair potential fail-
pressure falls to "0".
ures of the appliance within the warranty
Open the water supply again.
period free of charge, provided that such
If the pump still is not sucking in any deter-
failure is caused by faulty material or de-
gent, it could be because of the following
fects in fabrication.
reasons:
Accessories and Spare Parts
– Filter in the detergent suck hose dirty
Clean filter.
Note: When connecting the appliance to a
– Backflow valve stuck
chimney or if the device cannot be ac-
cessed visually, we recommend the instal-
Remove the detergent hose and loosen
lation of a flame monitor (option).
the backflow valve using a blunt object.
– Only use accessories and spare parts
Burner does not start
which have been approved by the man-
ufacturer. The exclusive use of original
– System care bottle empty.
accessories and original spare parts
Replace the system care bottle.
ensures that the appliance can be oper-
– Fuel tank empty.
ated safely and trouble free.
Refill fuel.
– At the end of the operating instructions
– Water shortage
you will find a selected list of spare parts
Check water supply, check connec-
that are often required.
tions.
– For additional information about spare
Clean sieve in the water shortage safe
parts, please go to the Service section
guard.
at www.kaercher.com.
– Fuel filter dirty
Change fuel filter.
– No ignition spark
If device is in use and no ignition spark can
be seen through the viewing glas, have de-
vice checked by customer service.
Set temperature is not achieved
while using hot water
– Working pressure/flow rate to high
Reduce working pressure/flow quantity
at the pressure/volume regulator in the
pump unit.
– Sooty heating spiral
Have device de-sooted by customer
service.
If malfunction can not be fixed, the device
must be checked by customer service.
36 EN
– 12

Applied specifications:
EC Declaration of Conformity
Based on AD 2000
Based on TRD 801
We hereby declare that the machine de-
scribed below complies with the relevant
Name of the appointed agency:
basic safety and health requirements of the
for 97/23/EG
EU Directives, both in its basic design and
TÜV Rheinland Industrie Service GmbH
construction as well as in the version put
Am Grauen Stein
into circulation by us. This declaration shall
51105 Köln
cease to be valid if the machine is modified
ID No. 0035
without our prior approval.
Sound power level dB(A)
Product: High-pressure cleaner
HDS 7/9, HDS 7/10, HDS 7/12
Type: 1.071-xxx
Measured: 86
Type: 1.077-xxx
Guaranteed: 88
HDS 8/17, HDS 8/18
Relevant EU Directives
Measured: 86
97/23/EC
Guaranteed: 88
2006/42/EC (+2009/127/EC)
HDS 9/18
2004/108/EC
Measured: 86
1999/5/EC
Guaranteed: 88
2000/14/EC
HDS 10/20
Applied conformity evaluation method
Measured: 88
for 2000/14/EC
Guaranteed: 90
2000/14/EC: Appendix V
HDS 12/18
Component category
Measured: 88
II
Guaranteed: 90
Conformity procedure
Module H
5.957-902
Heating coil
Conformity assessment Module H
Safety valve
The undersigned act on behalf and under
Conformity assessment Art. 3 para 3
the power of attorney of the company man-
control block
agement.
Conformity assessment Module H
various pipes
Conformity assessment Art. 3 para 3
CEO
Head of Approbation
Applied harmonized standards
EN 55014–1: 2006 + A1: 2009
Authorised Documentation Representative
EN 55014–2: 1997 + A2: 2008
S. Reiser
EN 60335–1
EN 60335–2–79
Alfred Kärcher GmbH Co. KG
EN 61000–3–2: 2006 + A2: 2009
Alfred-Kärcher-Str. 28 - 40
EN 62233: 2008
71364 Winnenden (Germany)
HDS 7/9, HDS 7/10, HDS 8/17, HDS 8/18,
Phone: +49 7195 14-0
HDS 9/18:
Fax: +49 7195 14-2212
EN 61000–3–3: 2008
HDS 7/12, HDS 10/20, HDS 12/18:
EN 61000–3–11: 2000
Winnenden, 2010/09/01
EN 300 330-2 V1.5.1 : 2010
EN 301 489-1 V1.8.1 : 2008
EN 301 489-3 V1.4.1 : 2002
– 13
37EN

Technical specifications
HDS 7/9 HDS 7/10 HDS 7/12 HDS 8/17
Main Supply
Voltage V 100 240 230 400
Current type Hz 1~ 50 1~ 50 1~ 50 3~ 50
Connected load kW 3,2 3,1 3,4 5,5
Protection (slow) a 30 13 16 16
Maximum allowed net impedance Ohm -- -- (0,321+ j0,200) --
Water connection
Max. feed temperature °C 30 30 30 30
Min. feed volume l/h (l/min) 1000 (16,7) 1000 (16,7) 1000 (16,7) 1100 (18,3)
Suck height from open container (20 °C) m 0,5 0,5 0,5 0,5
Max. feed pressure MPa (bar) 0,6 (6) 0,6 (6) 0,6 (6) 0,6 (6)
Performance data
Water flow rate l/h (l/min) 350-700 (5,8-
350-700 (5,8-
350-700 (5,8-
400-800 (6,7-
11,7)
11,7)
11,7)
13,3)
Operating pressure of water (using standard
MPa (bar) 3-9 (30-90) 3-10 (30-100) 3-12 (30-120) 3-17 (30-170)
nozzle)
Max. excess operating pressure (safety valve) MPa (bar) 11 (110) 13 (130) 15 (150) 20,5 (205)
Steam flow rate l/h (l/min) 330-360 (5,5-
330-360 (5,5-
330-360 (5,5-
340-420 (5,6-
6)
6)
6)
7)
Max. operating pressure for working with steam
MPa (bar) 3,2 (32) 3,2 (32) 3,2 (32) 3,2 (32)
(using steam nozzle)
Part no. of steam nozzle -- 2.885-119.0 2.885-119.0 2.885-039.0 2.885-119.0
Max. operating temperature of hot water °C 98 98 98 98
Working temperature steam operation °C 155 155 155 155
Detergent suck in l/h (l/min) 0-45 (0-0,75) 0-45 (0-0,75) 0-45 (0-0,75) 0-50 (0-0,8)
Burner performance kW 58 58 58 67
Maximum consumption of heating oil kg/h 4,6 4,6 4,6 5,3
Max. recoil force of hand spray gun N 13,5 17,9 17,9 24,3
Nozzle size -- 060 054 047 047
Values determined as per EN 60355-2-79
Noise emission
Sound pressure level L
pA
dB(A) 70 70 70 71
Uncertainty K
pA
dB(A) 2 2 2 2
Sound power level L
WA
+ Uncertainty K
WA
dB(A) 88 88 88 88
Hand-arm vibration value
2
Hand spraygun m/s
1,1 1,1 1,1 1,0
2
Spray lance m/s
3,4 3,4 3,4 3,4
2
Uncertainty K m/s
1,0 1,0 1,0 1,0
Fuel
Fuel -- Fuel oil EL or
Fuel oil EL or
Fuel oil EL or
Fuel oil EL or
Diesel
Diesel
Diesel
Diesel
Amount of oil l 0,75 0,75 0,75 0,75
Oil grade -- 0W40 0W40 0W40 SAE 90
Dimensions and weights
Length x width x height mm 1330 x 750 x
1330 x 750 x
1330 x 750 x
1330 x 750 x
1060
1060
1060
1060
Weight without attachments, M/S kg 163 146 146 155
Weight without attachments, MX/SX kg 171 154 154 163
Fuel tank l 25 25 25 25
Detergent Tank l 10+20 10+20 10+20 10+20
38 EN
– 14

HDS 8/18
Main Supply
Voltage V 230 400
Current type Hz 3~ 50 3~ 50
Connected load kW 5,5 5,5
Protection (slow) a 16 16
Maximum allowed net impedance Ohm --
Water connection
Max. feed temperature °C 30
Min. feed volume l/h (l/min) 1100 (18,3)
Suck height from open container (20 °C) m 0,5
Max. feed pressure MPa (bar) 0,6 (6)
Performance data
Water flow rate l/h (l/min) 400-800 (6,7-13,3)
Operating pressure of water (using standard nozzle) MPa (bar) 3-18 (30-180)
Max. excess operating pressure (safety valve) MPa (bar) 20,5 (205)
Steam flow rate l/h (l/min) 340-420 (5,6-7)
Max. operating pressure for working with steam (us-
MPa (bar) 3,2 (32)
ing steam nozzle)
Part no. of steam nozzle -- 2.885-119.0
Max. operating temperature of hot water °C 98
Working temperature steam operation °C 155
Detergent suck in l/h (l/min) 0-50 (0-0,8)
Burner performance kW 67
Maximum consumption of heating oil kg/h 5,3
Max. recoil force of hand spray gun N 24,3
Nozzle size -- 043
Values determined as per EN 60355-2-79
Noise emission
Sound pressure level L
pA
dB(A) 71
Uncertainty K
pA
dB(A) 2
Sound power level L
WA
+ Uncertainty K
WA
dB(A) 88
Hand-arm vibration value
2
Hand spraygun m/s
1,0
2
Spray lance m/s
3,4
2
Uncertainty K m/s
1,0
Fuel
Fuel -- Fuel oil EL or Diesel
Amount of oil l 0,75
Oil grade -- SAE 90
Dimensions and weights
Length x width x height mm 1330 x 750 x 1060
Weight without attachments, M/S kg 155
Weight without attachments, MX/SX kg 163
Fuel tank l 25
Detergent Tank l 10+20
– 15
39EN

HDS 9/18 HDS 10/20 HDS 12/18
Main Supply
Voltage V 230 400 230 400 400
Current type Hz 3~ 50 3~ 50 3~ 50 3~ 50 3~ 50
Connected load kW 6,4 6,4 7,8 7,8 8,4
Protection (slow) a 28 16 28 16 16
Maximum allowed net impedance Ohm -- (0,169+ j0,105) (0,163+ j0,102)
Water connection
Max. feed temperature °C 30 30 30
Min. feed volume l/h (l/min) 1200 (20) 1300 (21,7) 1500 (25)
Suck height from open container (20 °C) m 0,5 0,5 0,5
Max. feed pressure MPa (bar) 0,6 (6) 0,6 (6) 0,6 (6)
Performance data
Water flow rate l/h (l/min) 450-900 (7,5-
500-1000 (8,3-
600-1200 (10-
15)
16,7)
20)
Operating pressure of water (using standard
MPa (bar) 3-18 (30-180) 3-20 (30-200) 3-18 (30-180)
nozzle)
Max. excess operating pressure (safety
MPa (bar) 21,5 (215) 24 (240) 21,5 (215)
valve)
Steam flow rate l/h (l/min) 390-450 (6,5-
460-520 (7,6-
550-610 (9,1-
7,5)
8,6)
10,1)
Max. operating pressure for working with
MPa (bar) 3,2 (32) 3,2 (32) 3,2 (32)
steam (using steam nozzle)
Part no. of steam nozzle -- 2.885-040.0 2.885-041.0 2.885-120.0
Max. operating temperature of hot water °C 98 98 98
Working temperature steam operation °C 155 155 155
Detergent suck in l/h (l/min) 0-54 (0-0,9) 0-60 (0-1) 0-72 (0-1,2)
Burner performance kW 75 83 100
Maximum consumption of heating oil kg/h 5,8 6,4 7,7
Max. recoil force of hand spray gun N 28,2 33,0 37,6
Nozzle size -- 050 054 068
Values determined as per EN 60355-2-79
Noise emission
Sound pressure level L
dB(A) 71 73 73
pA
Uncertainty K
dB(A) 2 2 2
pA
Sound power level L
+ Uncertainty K
dB(A) 88 90 90
WA
WA
Hand-arm vibration value
2
Hand spraygun m/s
1,0 1,2 1,5
2
Spray lance m/s
3,6 5,2 4,8
2
Uncertainty K m/s
1,0 1,0 1,0
Fuel
Fuel -- Fuel oil EL or
Fuel oil EL or
Fuel oil EL or
Diesel
Diesel
Diesel
Amount of oil l 0,75 1,0 1,0
Oil grade -- SAE 90 SAE 90 SAE 90
Dimensions and weights
Length x width x height mm 1330 x 750 x
1330 x 750 x
1330 x 750 x
1060
1060
1060
Weight without attachments, M/S kg 156 171 178
Weight without attachments, MX/SX kg 161 180 185
Fuel tank l 25 25 25
Detergent Tank l 10+20 10+20 10+20
40 EN
– 16