Operation – Karcher HD 7/250 DE TR1 User Manual

Page 7

Please observe Chapter "Safety Instruc-
tions" and the enclosed safety instructions
for high pressure cleaners (5.063-314.0)

Note
The driver, who operates the towing vehicle
with trailer on public roads must ensure that
he has the appropriate license for this.

Danger

When transporting the trailer in public traffic
with the water tank half full, the water can
swap out or the trailer could even tilt during
extreme steering manoeuvers.
Î

Completely fill or empty the water tank.
Do not transport with the water tank half
full.

Close the appliance hood and open-
ings.

Adjust the height of the drawbar by
means of the support wheel to the
height of the trailer hitch of the towing
vehicle.

Attach the tear-off rope to the towing
vehicle.

1 Coupling lever
2 Bolt with marking

Hitch up the towing vehicle. Make sure
that the marking on the bolt points to the
+ symbol (Pfeil) once the coupling lever
is pushed down.

Connect the connector of the vehicle
lighting.

Rotate the support wheel up by means
of the crank.

Make sure that the suppport wheel
points in the direction of the trailer when
retracted.

Remove the chocks from underneath
the wheels and place them in their hold-
ers.

Release parking brake.

1 Third brake light
2 Combined brake/tail lights, right, left
3 Blinker, right/left
4 Reverse light
5 License plate lighting
6 Fog lamp

Check the brake lights, blinkers, tail
lights, reverse lights, fog lamp and the
license plate lighting for their function.

Check tire pressure (refer to technical
data).

Note
Local speed limits for vehicles with trailers
must be observed and adhered to.

The appliance must be fitted with lifting
eyelets (option) to be raised by means of a
crane. The appliance should only be lifted
by the lifting eyelets.

1 Crank to lower the support wheel
2 Connector vehicle lighting
3 Tear-off rope
4 Support wheel
5 Parking brake

Lock parking brake.

Lower the support wheel by means of
the crank.

Remove the tear-off rope from the tow-
ing vehicle.

Disconnect the connector 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 horizontally with the
support wheel.

Caution
Risk of malfunctions and damages to the
appliance. The appliance must be in hori-
zontal position during operation.

Open the lock on the appliance cover
and swivel the appliance cover up-
wards.

Swivel the latch of the appliance hood
upwards to keep it from shutting inad-
vertently.

Align the appliance horizontally

Unscrew the oil dip on the pump gear.

Wipe the oil dip with a lintfree cloth.

Reinsert the dip completely and pull it
back out.

If the oil level has sunken to the mark,
refill oil (see "Care and Maintenance").

Check the oil level in the intermediate
gear.

The oil level must be in the centre of the
viewing glass. If this is not the case, re-
fill oil (see "Care and Maintenance").

Pull out the oil dip of the motor.

Wipe the oil dip with a lintfree cloth.

Insert the oil dip, pull it out and read it.

If the oil level has sunken to the mark,
refill oil (see "Care and Maintenance").

Check the fill level of the coolant in the
equalisation container of the motor cool-
ant with a cooled off motor. The liquid
level has to be between MIN and MAX.

In case of risk of frost, unscrew the lid of
the antifreeze container and check the
fill level. If required refill antifreeze.

Switch on the battery main switch.

Switch on the key switch on the operat-
ing panel.

Danger

Risk of explosion, fire, poisoning by means
of exhaust gases.
– Turn the motor off prior to fueling up.
– Do not refuel in closed rooms, ensure

sufficient ventilation.

– Never fill up in the vicinity of open

flames or sparks.

– Do not smoke during fueling.
– Immediately remove fuel that leaked

during the refuelling with cleaning
cloths and dispose of it properly.

Operation

Transport

Trailer operation

Loading

Setting up the appliance

Preparing for start-up

Check the fill levels

Check oil level in the pump, intermediate
gear and motor

Check the fill level of the coolant in the
motor

Check the fill level of the antifreeze

Turning on the Appliance

Check the fill level of the diesel tank