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6

Caution

Do not completely deplete the fuel in the 
fuel tank, otherwise, the fuel system will 
have to be ventilated. Possibly suctioned 
dirt from the bottom of the tank can lead to 
malfunctions.

Î

Check the fill level of the diesel fuel at 
the bar segment display for the fuel lev-
el. If required, top off the diesel fuel.
For temperatures below 0°, only use 
winter diesel.

Î

Check the fill level of the water at the 
bar segment display for the water level 
in the tank. Top off the water tank if nec-
essary. Connect the water supply hose 
to the water inlet.

1 Trigger gun
2 Pressure ring
3 Pressure screw
4 Spray lance
5 Nozzle holder
6 High pressure nozzle

Î

Remove the protective caps on the 
spray pipe.

Î

Grease the thread on the gun side with 
stainless steel screw grease (6.280-
180.0).

Î

Screw the pressure ring onto the spray 
pipe.

Î

The sealing cone of the spray pipe must 
protrude about 1-1.5 thread lengths (B) 
from the pressure ring (A).

Î

Rotate the pressure ring (A) by hand to 
adjust the distance (left thread).

Î

Insert the spray pipe all the way into the 
gun.

Î

Secure the spray pipe by tightening the 
pressure screw (torque approx. 100 Nm).

Do not perform this procedure until after the 
unit has been ventilated, see "Ventilating 
the high pressure system“.

Î

Grease the thread on the nozzle side 
with stainless steel screw grease 
(6.280-180.0). 

Î

Grease the nozzle holder with stainless 
steel screw grease (6.280-180.0) and 
screw it onto the spray pipe (left 
thread).

Î

Grease the thread of the high pressure 
nozzle with stainless steel screw 
grease (6.280-180.0) and screw it onto 
the nozzle holder (hexagon socket).

Danger

Risk of injury from leaks or water jets 
emerging from leaks.

Hoses, pipes and the spray unit must 
be in good condition and installed prop-
erly.

Check the high pressure hose daily.

Only use original high pressure hoses 
that are approved for the respective 
pressure range and temperature.

Avoid contact with chemicals.

Do not use hoses with kinks.

Do not use the high pressure hose any-
more if the thread is damaged or cor-
roded.

Stop using the high pressure hose if the 
external wire layer is visible.

Do not route the high pressure hose 
across sharp edges.

Lay the high pressure hoses in such a 
way that no vehicle can drive over it.

Do not use high-pressure hoses that 
have been driven over, kinked, pressed 
or bent even if there is no externally vis-
ible damage.

Completely lay out the high pressure 
hose, do not overlap.

High pressure hoses age with time. Re-
place high pressure hoses every 6 
years, even if they are in good condition.

High pressure hoses that have been 
stored for more than 2 years, may no 
longer be used.

Store the high pressure hose so that 
there is no mechanical strain. Store in a 
cool, dry and dustfree place.

Do not stretch the high pressure hose 
during storage, as the high pressure 
hose might change its length during op-
eration.

Relieve tension from the high pressure 
hose after operation, purge excess wa-
ter, coil it and store it properly.

Î

Unscrew the protective caps from the 
high pressure connection of the hand 
spray gun and pull off at the high pres-
sure hose.

Î

Clean the thread and grease it with 
stainless steel screw grease (6.280-
180.0).

Î

Check the high pressure hose for flaw-
less condition (no damage). Only use 
intact hoses.

Î

Connect the high pressure hose to the 
hand spray gun (procedure as de-
scribed in Chapter "Connecting the 
spray pipe to the gun").

Î

Remove the protective cap from the 
high pressure outlet of the appliance.

Î

Clean the thread and grease it with 
stainless steel screw grease (6.280-
180.0).

Î

Connect the high pressure hose to high 
pressure connection (procedure as de-
scribed in Chapter "Connecting the 
spray pipe to the gun").

1 Hose sock mounting
2 Hose sock

Î

When using a hose sock to protect the 
high pressure hose from ripping off, 
hook the hose sock into the hose sock 
mount.

Î

Roll the control line off the winch to 
hose length. Make sure that the control 
line is not underneath the high pressure 
hose, as the high pressure hose can 
rub against it and cause a line break.

Î

Pull of the protective cap or antifreeze 
plug on the appliance connection side.

Î

Connect the short cable end of the 
winch with the socket.

Î

Plug the protective caps together to pre-
vent soiling of the protective cap insides.

Î

Connect the control line on the gun side 
and plug the protective caps together.

According to the applicable regu-
lations, the appliance must never 
be used on the drinking water net 
without a system separator. Use a 

suitable system separator manufactured by 
Kärcher; or, as an alternative, a system 
separator as per EN 12729 Type BA.

Note

Water with drinking water quality with a 
pressure between 0.15 and 0.6 MPa (1.5 to 
6 bar) is required to ensure a smooth oper-
ation of the system.

Î

Remove the protective cap from the wa-
ter supply inlet of the appliance.

Î

Connect the system separator to the 
water inlet (option).

A If the system separator was installed, 

the water inlet is on the appliance

B Water inlet on the system separator

Check the fill level in the water tank

Start up

Connecting the spray pipe to the gun

Connecting the nozzle

B

A

Connect the high pressure hose to the 
gun and the appliance.

Connect the control line

Connect the water supply

8

EN

Содержание HD 7/250 DE TR1

Страница 1: ...HD 7 250 De Tr1 59633200 08 10...

Страница 2: ...2...

Страница 3: ...g on a scaffold so that the person does not fall from the scaffold due to the recoil force generated by the appliance For manual work with a spray gun the nozzle diameter must be selected so that the...

Страница 4: ...ral oil con taining wastewater into the soil surface waters or sewer sys tems Notes about the ingredients REACH You will find current information about the ingredients at http www karcher de de untern...

Страница 5: ...ation plates 27 Storage compartment 28 Hinge storage compartment 29 Emergency stop button 30 Switch box 31 Operating field 32 Vice 33 Socket control line 34 Exterior air connection supply 35 Water inl...

Страница 6: ...rating panel 8 7 Symbols on the display Symbol Meaning Nominal pressure Actual pressure Motor oil pressure Fuel level Water level in tank Cool water temperature Reset Motor ON Motor OFF Reduce nominal...

Страница 7: ...from the ve hicle lighting and insert it into the plug storage on the drawbar Secure the machine with wheel chocks to prevent it from rolling away Disconnect the towing vehicle Align the appliance hor...

Страница 8: ...even if they are in good condition High pressure hoses that have been stored for more than 2 years may no longer be used Store the high pressure hose so that there is no mechanical strain Store in a c...

Страница 9: ...oltage is switch on and the dis play shows the operating status At low ambient temperatures the preheat ing process will start automatically The re spective message is shown on the display Press the F...

Страница 10: ...re spray release the lever of the hand spray gun and let the release lock Press F3 key Depending on the load the motor should somewhat longer to cool off The display will show the trailing time of the...

Страница 11: ...olant circuit of the motor for sufficient antifreeze refill antifreeze as needed See Maintenance Procedures Check and refill the coolant If the appliance is not used for an ex tended period and if the...

Страница 12: ...sure can pene trate the skin and cause severe injuries and infections Stay away from leaks and do not search for leaks by hand Do not use flammable detergents to clean the appliance After completing t...

Страница 13: ...13 Pressure container 14 Compressed air filter 15 Pressure switch 16 2 2 way PN bypass valve 17 5 2 way valve 18 3 2 way valve 19 Burst disc safety 20 High pressure sensor 21 High pressure pump 22 Int...

Страница 14: ...nance Procedures Customer Service Replace oil filter insert on motor Customer Service Check the screw connections on the motor Call customer service if necessary Customer Service Once after the first...

Страница 15: ...ar acid resistant goggles gloves and an apron when working with battery acid Never charge the battery in the vicinity of open flames or igniting sparks The battery may only be charged in rooms that ar...

Страница 16: ...aminated Clean the radiator Operator V belt tension on the ventilator too low Retension V belt Customer Service Thermostat defective Replace the thermostat Customer Service Cable breakage Replace the...

Страница 17: ...ressure below 0 15 MPa 1 5 bar Water reservoir empty Filling the Water Reservoir Operator Water filter contaminated Clean water filter Operator Backflow valve on the advance pump contami nated Check b...

Страница 18: ...sing standard nozzle MPa bar 250 2500 Max excess operating pressure safety valve MPa bar 300 3000 Drive motor performance kW 74 Motor rpm 1 min 3000 Battery V Ah 12 55 Nozzle size 0 6 Max recoil force...

Страница 19: ...purchase We hereby declare that the machine de scribed below complies with the relevant basic safety and health requirements of the EU Directives both in its basic design and construction as well as i...

Страница 20: ...Biatorbagy 36 23 530 64 0 www kaercher hu I K rcher S p A Via A Vespucci 19 21013 Gallarate VA 39 848 998877 www karcher it IE K rcher Limited Ireland 12 Willow Business Park Nangor Road Dublin 12 01...

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