Karcher HDS 7-16 4C Basic - Manual (Page 23)

– 3
Cleaning of: Machines, Vehicles, Struc-
tures, Tools, Facades, Terraces, Garden-
ing tools, etc.
ƽ
Danger
Risk of injury! Follow the respective safety
regulations when operating at gas stations
or other dangerous areas.
– Please follow the national rules and
regulations for fuel spray jets of the re-
spective country.
– Please follow the national rules and
regulations for accident prevention of
the respective country. Fuel spray jets
must be tested regularly and the results
of these tests must be documented in
writing.
– The heating appliance of the machine is
an ignition plant. All national laws and
regulations about heating systems must
also be followed.
Safety devices serve for the protection of the
user and must not be put out of operation or
bypassed with respect to their function.
– When the water supply at the pump
head is reduced, the overflow valve
opens and part of the water flows back
to the suction side of the pump.
– If the hand-spray gun is closed, so that
the whole water flows back to the pump
suck side, the pressure 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 manufac-
turer and sealed. Setting only by customer
service.
– The safety valve opens, when the over-
flow 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 safeguard and must be cleaned reg-
ular.
– The temperature stop switches off the
machine when the waste gases have
reached very high temperatures.
ṇ
Warning
Risk of injury! Device, tubes, high pressure
hose and connections must be in faultless
condition. Otherwise, the appliance must
not be used.

Lock parking brake.
Figure 3
Screw tightening torque: 6.5-7.0 Nm
Figure 4

Hook the tool bag onto the top tabs on
the appliance.
 Tilt the tool bag down and lock it into
place.
 Fasten the tool bag with 2 screws
(torque: 6.5 - 7.0 Nm).
Note: 2 screws are left over.
Proper use
Please do not let mineral oil contaminated
waste water reach soil, water or the sew-
age system. Perform engine cleaning and
bottom cleaning therefore only on speci-
fied places with an oil trap.
Safety instructions
Safety Devices
Overflow valve with two pressure
switches
Safety valve
Water shortage safeguard
Temperature stop for exhaust gases
Start up
Installing the handle
Install the tool bag (HDS C only)
23 EN