Manual Karcher HDS 7-12-4 M-MX (page 22 of 372) (All languages)

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– 3

– We would like to point out that the appliance must

be repeatedly checked by a skilled person as pre-

scribed by the applicable national regulations.

Please contact your KÄRCHER partner.

– The appliance/accessories must not be modified.

Safety devices serve for the protection of the user and

must not be put out of operation or bypassed with re-

spect to their function.

– While reducing the water supply at the pump head

or with the Servopress - regulation the overflow

valve opens and part of the water flows back to the

pump suck side.

– If the hand-spray gun is closed, so that the whole

water flows back to the pump suck side, the pres-

sure switch at the overflow valve shuts down the

pump.

– If the hand spray gun is opened, the pressure switch

on the cylinder head turns the pump back on.

The overflow valve is set by the manufacturer and

sealed. Setting only by customer service.

– The safety valve opens, when the overflow valve

resp. the pressure switch is broken.

The safety valve is set by the manufacturer and sealed.

Setting only by customer service.

– The water shortage safeguard prevents the burner

to be turned on when there is water shortage.

– A sieve prevents the contamination of the safe-

guard and must be cleaned regular.

– The temperature stop switches off the machine

when the waste gases have reached very high tem-

peratures.

몇 WARNING

Risk of injury! Appliance, accessories, supply lines and

connections must be in fault-free condition. If they are not

in a perfect state then the appliance must not be used.

 Lock parking brake.

Figure 3

ATTENTION

Hook the electric supply line into the cable guide of the

right handle bow. Be careful not to damage the cable.

Figure 4

Note: Push the bottle in securely to penetrate the clo-

sure. Do not remove bottle until it is empty.

Note: To protect the device, the burner is switched off 5

hours after the system care bottle is empty.

– The system care prevents the calcification of the

heating spiral while operating with calciferous tap

water. It is dosed into the supply in the float con-

tainer drop by drop.

– The metering is set to medium water rigidity by the

manufacturer

Note: A system care bottle is included in the delivery.

 Replace the system care bottle.

 Determining the hardness of tap water:

– through the public water supply works,

– using a hardness tester (order no. 6.768-004)

 Set the service switch according to the water hard-

ness in the table.

Note:

– RM 110 prevents calcification of the heating coil in

the presence of hard water.

– RM 111 prevents the formation of black water and

cares for the pump in the presence of soft water.

 DANGER

Danger of explosion! Only refill diesel oil or light fuel oil.

Inappropriate fuels, e.g. petrol, must not be used.

ATTENTION

Risk of damage! Never operate device with an empty

fuel tank. The fuel pump will otherwise be destroyed.

 Refill fuel.

 Close tank lock.

 Wipe off spilled fuel.

 DANGER

Risk of injury!

– Use Kärcher products only.

– Under no circumstances fill solvents (petrol, ace-

ton, diluting agent etc.)

– Avoid eye and skin contact.

– Observe safety and handling instructions by the de-

tergent manufacturer.

Kärcher offers an individual cleaning and care ap-

pliances program.

Your dealer will consult you gladly.

 Refill detergent.

Note: The EASY!Lock system joins components with a

quick-fasten thread solidly and securely with just one

turn.

Figure 5

 Join the spray lance with the trigger gun and tighten

until hand-tight (EASY!Lock).

 Insert the high pressure nozzle onto the spray

lance.

 Install union nut and hand-tighten it (EASY!Lock).

Safety Devices

Overflow valve with two pressure switches

Safety valve

Water shortage safeguard

Temperature stop for exhaust gases

Start up

Installing the handle

Attach the wheel caps

Replace the system care bottle

Adjusting the dosage of the system care

Advance RM 110/RM 111

Water hardness

(°dH)

Scale on the ser-

vice switch

System care

products to be

used

<3 3 (presetting) RM 111

3...7 1 RM 110

7...14 2 RM 110

14...21 3 (presetting) RM 110

>21 4 RM 110

Refill fuel

Refill detergent

Install the hand-spray gun, the jet pipe, the

nozzle and the high pressure hose

22 EN

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Karcher HDS 7-12-4 M-MX Manual

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