Pressure Switch; Start Up - Kärcher HDS 801 B Manual Original

Safety valve
– The safety valve opens when the over-
flow valve is defective.
– The safety valve is set by the manufac-
turer and sealed. Setting only by cus-
tomer service.
Thermo-valve at the pump
The thermo-valve opens when the permis-
sible water temperature is exceeded and
lets out the hot water into the open.

Pressure switch

The pressure switch switches off the burner
when the working pressure falls below the
minimum value and switches it on again
when it is exceeded.

Start up

WARNING
Risk of injury! Device, tubes, high pressure
hose and connections must be in faultless
condition. Otherwise, the appliance must
not be used.
Check oil level of the high pressure
pump
ATTENTION
In case of lacteous oil inform Kärcher cus-
tomer service immediately
 Before using for the first time, cut off the
tip of the lid of the oil tank on the water
pump.
 Check oil level in the oil tank.
Do not operate the appliance if the oil level
has fallen below "MIN".
 Add oil if required (see technical speci-
fications).
Motor
Follow the instructions given in the sec-
tion "Safety Instructions"!
 Read the operating instructions of the en-
gine manufacturer before start-up and fol-
low the safety instructions carefully.
 Check oil level of the engine.
Do not operate the appliance if the oil level
has fallen below "MIN".
18
All manuals and user guides at all-guides.com
 If required, top up oil carefully.
 Fill the fuel tank with unleaded petrol.
Risk of explosion! Only refill diesel oil or
light fuel oil. Unsuitable fuels, e.g. petrol,
are not to be used.
ATTENTION
Risk of damage to the fuel pump on ac-
count of dry running. The fuel tank must be
filled up to this mark even for cold water op-
erations.
 Refill fuel.
 Close tank lock.
 Wipe off spilled fuel.
 Mount the nozzle on the spray lance
 Connect spray lance to trigger gun.
 Connect the high pressure hose to the
Figure A-C
 Lever out the safety clip of the hand
 Place the hand-spray gun upside down
 Press the safety clip back into the hand-
– 4
EN
Do not use 2-speed mixture.
Refill fuel
DANGER
Install hand spray gun
(markings on the adjustment ring at the
top).
high pressure connection point of the
machine.
Installing spare high pressure hose
spray gun using a screw-driver (Picture
A).
and insert the end of the high pressure
hose till the end. Ensure that the lose
disc falls right below on the hose end
(Picture B).
spray gun. The hose can be pulled out
max. 1 mm if it has been installed cor-
rectly. Otherwise, it means the disc has
been installed wrongly (picture C).