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Karcher HD 7-14-4 MXA Plus Manual

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12 English
Safety valve
The safety valve opens when the permissible operating
pressure is exceeded and the water flows back to the
suction side of the pump.
Control elements
See graphics page
1Protector
2Nozzle
3Pressure and quantity regulation*
4EASY!Lock spray lance
5EASY!Force high-pressure gun
6Safety latch
7Trigger
8Unlocking lever
9EASY!Lock high-pressure hose
10 Push handle, top (pulled out)
11 Hose reel
12 Push handle, bottom (pushed in)
13 Cable clips
14 Spray lance holder
15 Nozzle storage for rotary nozzle*
16 Power switch
17 Spray lance holder
18 sieve
19 Hose spout
20 Union nut
21 Water connection
22 Skid, stand
23 Holder for foam nozzle*
24 Transport retainer for surface cleaner*
25 Push handle lock
* not in the scope of delivery for all device variants
Colour coding
Control elements for the cleaning process are yel-
low.
Control elements for maintenance and servicing are
light grey.
Unpacking
1. Check the contents of the package when unpacking.
2. Notify the dealer immediately in the case of shipping
damage.
Installing accessories
Note
The EASY!Lock system connects components quickly
and safely via a single turn of the quick-release thread.
1. Plug the high-pressure nozzle onto the spray lance.
2. Fit the union nut and hand-tighten (EASY!Lock).
3. Connect the spray lance to the high-pressure gun
and hand-tighten (EASY!Lock).
Figure A
4. Fasten the stand with 2 screws.
Figure B
5. Fasten the stand to the device using 2 clips. Use a
hammer to hammer in the clips as far as they will go.
Figure C
1Clip
6. Connect the high-pressure hose to the high-pres-
sure gun and hand-tighten (EASY!Lock).
Initial startup
Electrical connection
DANGER
Risk of injury from electric shock
Use a plug to connect the device to the mains grid. Per-
manent connection to the mains grid is prohibited. The
plug is used for disconnection from the mains.
See the type plate or technical data for the connection
values.
1. Unwind the mains cable and place on the ground.
2. Plug the mains plug into the socket.
Water connection
Connection to a water line
몇WARNING
Health risk from return flow of contaminated water
into the drinking water network.
Observe the regulations of your water supply company.
According to applicable regulations, the device must
never be used with the drinking water network without a
system separator. Use a system separator from
KÄRCHER or a system separator as per EN 12729
Type BA. Water that has flowed through a system sep-
arator is classified as undrinkable. Always connect the
system separator to the water supply and never directly
to the water connection on the device.
1. Check the feed pressure, input temperature and in-
put amount of the water supply. See the "Technical
data" section for the requirements.
2. Connect the system separator and water connection
of the device with a hose (minimum length 7.5 m,
minimum diameter 1”).
The supply hose is not included in the scope of de-
livery.
3. Open the water inlet.
Suck water from the container
1. Screw the suction hose (order number 4.440-207.0)
and filter (order number 4.730-012.0) onto the water
connection.
2. Vent the device.
Vent the device
1. Unscrew the nozzle from the spray lance.
2. Allow the device to run until the escaping water is
free of air bubbles.
3. In the case of venting problems, allow the device to
run for 10 seconds and then switch it off. Repeat the
procedure several times.
4. Switch off the device.
5. Screw the nozzle back in place.
… 12 …


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