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5.961-066 A 2006919 10/03
HD 10/25 S VEX
2
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HD 10/25 S VEX
English Operating Instructions HD 1 0/ 25 S VEX
5
Unit components
Please fold out illustration page at the front
1 Hand-held spray gun
2 Lever of hand-held spr ay gun
3 High-pressure hose
4 Handgun support
5 Detergent metering valve
6 Cap for de tergent reservoir
7 Detergent reservoir
8 Detergent suction-hose with filter
9 Fastening screw for hoo d
10 Unit switch
11 Hood
12 Pressure gauge
13 High-pressure outlet
14 Nozzle rest
15 Water connection
16 Fine filter
17 Oil level display
18 Oil reservoir
19 Indicator light
20 Hose rest
21 Detergent reservoir ven t
22 Accessori es box
23 Cable holder
24 Handle
25 Nozzle
26 Marking of the nozzle
27 Spray lance
28 Pressure/flow cont rol
29 Safety catch of hand-held spray gun
For your safety
Before you use the cleaner for the first time,
read these operatin g in st ru ct i ons and take
special note of the accom p anying booklet
"Safety Instructio ns for High-Pressure Cleaners" No. 5.951-949.
Use of the cleaner
Use this unit exclusiv el y f or
– cleaning with high-pr ess ure jet and deter-
gent (e.g. cleaning of machines, vehicles,
buildings, tools),
– cleaning with high-pressure jet without de-
tergent (e.g. cleaning f ac ades, terraces,
gardening equipmen t).
For stubborn dirt we recommend the dirt
blaster as an optiona l accessory.
Safety features
Relief valve with pressure
switch
On reducing the flow ra te with t he pr essure
and flow control, the re l ief va l ve opens and
part of t he wa ter runs ba ck t o th e suct io n si de
of the pump.
If the lever of the hand-he ld spr ay gun is released, the pressure switch switches the
pump off. If the lever is retracted, the pressure
switch switches the pump on again.
The overflow valve and pressure switch have
been set and sealed at th e f actory.
Adjustments are m ade only by Customer
Service.
Operating Instructions HD 10/25 S VEX English
6
Preparing the unit for use
Unpack the unit
– When unpacking the uni t, check the con-
tents of the packaging . If there has been
any damage in transit info rm t he dealer.
– Do not dispose of the packa gi ng with the
household rubbish, ha nd i t in at th e appropriate collection point for recycling.
Check the oil level
Read the oil level displayed while unit is at
a standstill. The oil level must be above the
two indic ators.
Activate the oil reservoir vent
Unscrew the fastening sc rew of the hood
and remove the hood.
Cut off the tip on the cover to the oi l reser-
voir.
Fasten the unit cover.
Mount the accessories
Mount nozzle on the spr ay lance (see
markings on the top of the setting ring).
Fit the spray lance to the hand-held spray
gun with pressure and flow control.
Lock cable clincher into bore lateral to the
handle.
Tighten the high-pressu re hos e according-
ly.
Switching on the unit
Electrical connection
Caution!
The voltage specified on the mo del rating plate must correspond to the voltage supplied.
Caution!
The maximum tolerable mains
impedance at the el ect rical contact point (see
Technical Data) must not be exceeded.
Caution!
Use an extension cable with a sufficient
cable cross-section (see Technical Sp ecifications) and unwind it fully from the cable drum.
For connected load s see model rating plate/
Technical Specifications.
Caution!
It is essential that the unit is connected
to the power supply by means of a plug. An inseparable connec tion to the power supply is
prohibited. The plug is us ed to disconnect
from the mains.
Water connection/Suction feed
operation
Connection to water main
Caution!
Pay attention to the regulation s of th e
water supply company; according to DIN
1988, the unit may not be connected direct to
the public drinking water supply. A short-term
connection via a non- re tu rn valve
(Order no. 6.412-578 ) is all ow e d.
For connected loads see Technical Specifications.
Connect a supply hose (not supplied) to the
water outlet on the unit and to the water inlet (e.g. w ater tap) .
Open water inlet.
English Operating Instructions HD 1 0/ 25 S VEX
7
!
Suctioning water from an open container
Screw suction hose with f ilt er
(Order no. 4.440-238) to the w ater outlet.
Vent the unit before using.
To evacuate air from the unit, unscrew the
nozzle and leave the unit runni ng until water exits with no air bubbles.
Switch off the unit and screw th e no zzl e
back on.
Operating the unit
Danger!
Observe the relative safety regulations
when using the unit at filling st at i ons or other
high-risk areas.
Caution!
Only clean engines in places which
have appropriate oil separators (protection of
the environment).
Caution!
Only wash animals with the lowpressure fan jet (see "Sel ecti ng the type of
spray").
Operating with high pre ssure
The unit is equipped with a pressure switch.
The motor only starts up when the lever is retracted.
Set the unit switch to "I". The indicator light
will go green.
Unlock the hand-held spray gun and retract
the lever of the gun.
Adjust operating pressu re and flo w ra te
(+/–) by rotating the pressure/flow control
(infinitely variable).
At the lowest flow rate the waste heat from
the motor will heat the water t o approx.
15 °C.
Selecting the type of spray
The handgun must be cl osed.
Rotate the housing of the nozzle until the
desired symbol corresponds with the marking.
Select pencil jet or fan jet by con ta ct less
changeover:
rotate the spray lance, whi ch is pointing
down at an angle of approx. 45°, to the left
or right.
Explanation of the symbol s
High-pressure pencil jet (0°),
for particularly stubborn accumulation of grime.
High-pressure fan jet (25°), for
dirt accumulation over a la rge
surface.
Low-pressure fan jet (CHEM)
for operation with detergent or for
cleaning at low pressu re.
Operating Instructions HD 10/25 S VEX English
8
!
Operating with detergent
Caution!
Unsuitable deterge nt s can harm the
cleaner and the object which is to be cleaned.
Use only dete r gents which are released by
Kärcher. Proportions o f dete rg ent t o be used
and accompanying instructions should be noted carefully. Use detergents sparingly out of
consideration for the environment.
Kärcher cleaning agen ts guarantee troublefree operation. Please seek advice or ask for
our catalogue of informa tion sheets on cleaning agents.
Fill detergent rese rvoir.
Set nozzle to .
Set the detergent metering valve to the
desired concentration.
Concentr ation of detergent when flow at
maximun:
Position of metering
valve
Recommended cleaning methods
Spray dete rgent with low pres sur e jet spar-
ingly over the dry surface to be cleaned and
let it take effect but not dry out .
Spray off (rinse off) the loosened dirt using
the high-pressure spr ay.
When you have finished the operation, set
detergent metering valve to "0" and switch
the unit on for about 1 minute and rinse it
clear of detergent.
1357
0.5%2.5%5.0%7.0
%
Interrupting the operation
Release lever of the handgun, th e unit
switches off. Retract le ver again and the
unit switches on agai n.
Availabi li t y t ime
Within the availability time, the unit starts
when the hand-held spr ay gun is opened.
The indicator light will go green.
If the spray gun remain s cl osed for
30 minutes, the availability time ends.
The indicator light will flash green.
Reset availability time
Switch off the unit switch.
Wait a moment.
Switch the unit back on again.
Customer Service ca n change the unit to
permanent operat ion.
Switching the unit off
Set unit switch to "0" and pull out power
plug.
Close water inlet.
Retract lever until the unit is without pr es-
sure.
Push safety catch of the hand-held spray
gun forward to lock the lev er of the gun
from being actuated inadvertently.
Danger!
Risk of scalding due to hot water. Residual water contained in the switched off unit
can heat up. When re m ovi ng the hose from
the water i nle t, th e he ater wate r ca n spur t ou t
and cause scal ds. Do not remove t he hose
until the unit has cooled down.
Transporting the cleaner
To transport the cleaner over relatively long
stretches, take hold of it by the handle and
pull it along behind you.
Empty the detergent reservoir before trans-
porting it horizontally.
English Operating Instructions HD 1 0/ 25 S VEX
9
!
Storing the cleaner
Place the handgun in the support.
Reel in the high-pressure hose and hang it
over the hose rest.
or
Coil the connecting cable round the cable/
hose rest.
Frost protection
Caution!
Frost will destroy a unit that is not completely e mpty of wat er! St or e the un it where i t
will be free of frost.
If storage away from frost is not possible:
Empty the detergent tank (s ee care and
maintenance/As and whe n re quired).
Drain off the water and rinse the unit
through with anti-freeze.
Leave the unit to dry for max. 1 minute.
Use the standard glycol-based anti-freezes
for cars.
Follow the handli ng instruc t i ons of the anti-
freeze manufacturer.
Care and maintenance
Danger!
Before any care and maintenance work
on the unit draw out the mains plug.
Caution!
When changing the o il, dispose of any
waste oil only at authorised collection points.
Safety inspection/Maintenance
contract
You can arrange with your deal er to have a
regular safety inspection carried out or to
have a maintenance contract. Please seek
advice.
Before each use
Check connecting cable for damage (risk of
getting an electric shock), have a damaged
connectin g cable r eplaced wi thout d elay by
authorised Customer Service personnel or
an electrician.
Check high-pressure hose for damage
(danger of explosion), replace a damaged
high-pressure hose w i th out delay.
Check unit (pump) for any leaks.
Three drops per minute ar e all ow able and
can appear on the under side of the unit.
Seek the help of Customer Service if leaks
are more serious.
Every week
Check oil level in oil reservoir: if the oil is
milky (water in oil), seek the help of Customer Service immediately.
Clean the fine filter.
– Unpressurize uni t .
– Unscrew the fastening screw of the hood
and remove the hood.
– Unscrew the cover with filter.
– Clean the filter with clean water or com-
pressed air.
– Reassemble in th e r everse order.
Clean the filter at the suction hose for de-
tergent.
Annually or after 500 operating
hours
Change the oil
– For oil quantity and type see Technical
Specifications.
– Undo the fastenin g sc rew, remove the
hood, unscrew the front oil drain plug on
the motor housing.
– Drain oil into a suitabl e container.
– Screw in the oil drain pl ug.
– Fill slowly with fresh oil; air bubbles have
to escape.
Operating Instructions HD 10/25 S VEX English
10
!
As and when required
Emptying and cleaning the detergent tank
– Pull out the screw cap and hose for the
detergent tank.
– Place the unit on its rear.
– Empty and clean the det ergent tank.
Troubleshooting
Danger!
Before any repair work is undertaken,
switch the unit off and pull out the power plug.
Have electrical compo nents checked and repaired only by authorised C ustomer Service
personnel.
For faults which are not identified in this chapter, or when in doubt or wh en expressly instructed to do so, cons ul t au t hor i sed
Customer Service perso nnel.
Indicator light
The indica tor li ght sh ows the operat ing st atus
(green) and faults (red).
To reset:
Switch off the unit switch.
Wait a moment.
Switch the unit back on again.
Operatin g status displ ay
Constant green light:
– Unit is operational.
1 x flashing green:
– Operational readi nes s expired after
30 minutes.
– The unit switched off after 30 minutes of
permanent operation (safety feature in
the case of a burst high-pressure hose).
Fault disp lay
1 x flashing red:
– High-pressure side leaking. Check high-
pressure hose, hose connections and
hand-held spray gun for leaks.
2 x flashing red:
– Motor too hot. Switch off the unit switch.
Leave unit to cool down. Switch the unit
back on again.
3 x flashing red:
– Fault in the power sup pl y. C hec k t he
mains connection. Check supply fuses.
4 x flashing red:
– Current consum pt io n t oo high. Consult
Customer Service
Unit does not wor k
Availability time has run out. The indicator
light will flash green. Switch the unit off and
then on again.
Check connecting cabl e fo r damage.
Consult Customer Service if there is an
electrical fault.
Unit does not come up to pressure
Set nozzle to "high pressure".
Clean/replace nozzle.
Clean the fine filter, replace if requ i re d.
Evacuate air from the cleane r (see Switch-
ing on the unit).
Check water inlet volume (see Technical
Specifications).
Check all supply lines to the pump for le aks
or obstructions .
Seek the hel p of Customer Se rvice if nec-
essary.
English Operating Instructions HD 1 0/ 25 S VEX
11
Pump is leaky
Three drop s per minute are allowable and
can appear on the undersid e of th e unit.
Seek the hel p of Cust omer Serv ice i f lea ks
are more serious.
Pump makes a knocking noise
Check all supply lines as well as the deter-
gent system for leaks.
Evacuate air from the cleaner (see Switch-
ing on the unit).
Clean the fi ne filter.
Seek the help of Customer Ser vice if nec-
essary.
Detergent is not being drawn in
Set nozzle to "Chem".
Check detergent suction hose with filter for
leaks or obstructions and clean it if necessary.
Clean/renew non-return valve in detergent
suction-hose connect i on.
Open detergent metering valve or check it
for leaks/remove obstru ctio n. Also cl ean
the venting orifice in the hous i ng.
Seek the help of Customer Ser vice if nec-
essary.
Spare parts
You will find a list of spare parts at th e e nd o f
these opera t i ng instructions.
Warranty
The warranty terms issued by our authorised
marketing company are valid in every country.
We remedy any fault in the unit free of charge
within the warranty period providing the cause
of the fault proves to be a ma te rial or m anufacturing error.
The warranty only becomes operative when
your dealer has compl et ed the reply card accompanying the sale of the unit, has stamped
and signed it and you have then sent the reply
card to the marketing com pany in your country.
Should you wish to call upon the guarantee,
please appl y to you r dea ler or ne ares t auth orised Customer Service centre taking along
also the accessorie s and bill of sale.
Operating Instructions HD 10/25 S VEX English
12
Technical Specifications
HD 10/25 S VEX
Mains connection
Voltage V 380 220
Type of current Hz 3~50 3~60
Connected load kW 7.7 7.5
Supply fuse (delayed-action, char. C) A 16 25
Max. tolerable mains impedance Ω (0.145 + j0.090)
Extension cable 10 m mm
Extension cable 30 m mm
Water connectio n
Supply temperatur e max. °C 60
Supply volume min. l/h (l/min) 1200 (20)
Supply hose – minimum length m 7.5
Supply hose – minimum diameter inches 3/4
Suction height from an open cont ainer 20 °C m 0.5
Supply pressure max. MPa (bar) 1 (10)
Performance data
Operating pressure MPa (bar) 3–19 (30–190)
Max. operating overpressure (safety valve) MPa (bar) 20.9 (209)
Flow rate
Detergent intake
Recoil force of the handgun N 62
Sound emission
Sound pressure level
(EN 60704-1)
Guaranteed sound pressure level
(2000/14/EC)
Vibrations of unit / total of vibrat ion (ISO 5349)
Handheld gun m/s
Spray lanc e m/s
Dimensions
Length mm 560
Width mm 500
Height mm 1090
Weight without accessories kg 62
Reservoir capacity, detergent l 6
Oil quantity, pump l 1.2
Oil type, pump SAE 90
2
2
l/h (l/min)
l/h (l/min)
dB (A)
2.5 2.5
4–
500–1038 (8.3–17.3)
0–80 (0–1.3)
72
dB (A) 87
2
2
2.2
2.0
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