Manual Karcher HD 8-18-4 MX (page 15 of 204) (All languages)

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English 15

Only HD...M St: High-pressure installation

The applicable national regulations for permanently in-

stalled high-pressure cleaning systems must be ob-

served.

1. Connect the device to the permanently installed pip-

ing using a high-pressure hose line.

2. Route the permanently installed piping with as few

changes in direction as possible.

3. Route the piping using padded loose and fixed clips

to compensate for pressure and thermal expansion.

4. Minimum line cross-sections:

a Pipelines: Nominal width DN 15 (1/2”).

b Hose lines: Nominal width DN 6.

Operation

 DANGER

Risk of injury from the high-pressure water jet

Never fasten the trigger and safety lever in the actuated

position.

Do not use the high-pressure gun when the safety lever

is damaged.

Push the safety latch of the high-pressure gun forwards

every time before starting work with the device.

Opening/closing the high-pressure gun

1. Opening the high-pressure gun: Actuate the safety

lever and trigger.

2. Closing the high-pressure gun: Release the safety

lever and trigger.

High-pressure operation

The device can be operated in a standing or lying posi-

tion.

Note

The device is equipped with a pressure switch. The mo-

tor only starts up when the high-pressure gun is open.

1. Device with a hose reel: Completely unroll the high-

pressure hose from the hose reel.

2. Set the power switch to "I".

3. Unlock the high-pressure gun by pushing the safety

latch of the high-pressure gun to the rear.

4. Open the high-pressure gun.

5. For devices with pressure and volume regulator: Set

the working pressure by turning the pressure and

volume regulator.

Operation with detergent

Note

A cup foam lance (optional)is needed for operating with

detergent.

몇 WARNING

Health risk through incorrect handling of deter-

gents

Observe the safety instructions on the detergent.

ATTENTION

Unsuitable detergents can damage the device and

the object to be cleaned.

Use only detergents approved by KÄRCHER.

Observe the dosing recommendations and notes pro-

vided with the detergent.

Use detergents sparingly to help conserve the environ-

ment.

KÄRCHER detergents ensure fault-free operation. Ask

us for a consultation, request our catalogue or our de-

tergent information sheets.

Figure C

1 Foam nozzle

2 Container

3 Gate

Detergent mixing: 3=high, 2=medium, 1=low

4 suction hose

5 EASY!Force high-pressure gun

1. Unscrew the container.

2. Plug the desired gate into the suction hose.

3. Fill the detergent into the container.

4. Screw the container onto the foam nozzle.

5. Remove the nozzle from the spray lance.

6. Connect the foam nozzle to the high-pressure gun

and hand-tighten.

7. Start up the high-pressure cleaner.

Recommended cleaning method

1. Spray the detergent sparingly on the dry surface and

let it work for a while (do not let it dry).

2. Rinse off the loosened dirt with the high-pressure jet.

Rinsing out the foam lance

The foam lance must be flushed after use to prevent the

formation of detergent deposits.

1. Unscrew the container.

2. Pour the remaining detergent back into the original

packaging.

3. Fill the container with clear water.

4. Screw the container onto the foam nozzle.

5. Operate the foam nozzle for approx. 1 minute to

flush the detergent residue.

6. Empty the container.

Interrupting operation

1. Close the high-pressure gun, the device will switch

off.

2. Lock the high-pressure gun by pushing the safety

latch of the high-pressure gun to the front.

Note

The water pressure in the high-pressure hose is re-

duced by approx. 70% when the device is switched off.

This reduces the actuating force of the high-pressure

gun and extends the service life of the device.

Continuing operation

1. Unlock the high-pressure gun by pushing the safety

latch to the rear.

2. Open the high-pressure gun, the device will switch

on again.

Finishing operation

1. Close off the water inlet.

2. Open the high-pressure gun.

3. Set the power switch to "I" and allow the device to

run for 5 to 10 seconds.

4. Close the high-pressure gun.

5. Turn the power switch to "0/OFF".

6. Pull the mains plug out of the socket only when your

hands are dry.

7. Disconnect the water inlet.

8. Open the high-pressure gun until the device is com-

pletely depressurised.

9. Lock the high-pressure gun by pushing the safety

latch of the high-pressure gun to the front.

Only with HD...M, HD...MX: Storing

the device

1. Fit the spray lance with high-pressure gun into the

spray lance holster and latch into position in the

spray lance holder.

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Karcher HD 8-18-4 MX Manual

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