Karcher HDS 801 B - Manual (Page 23)

– 9
ƽ
Danger
Risk of burns injury on account of acid!
Wear protective glasses and protective
gloves.

Procedure:
According to statutory requirements, only
tested and approv approved boiler decrust-
ing agents may be used.
– RM 100 (Order No. 6.287-008) dis-
solves chalk and simple compounds of
chalk and detergents residues.
– RM 101 (Order No. 6.287-013) dis-
solves the deposits that cannot be dis-
solved using RM 100.
 Fill a 20 litre container with 15 l water.
 Add one litre of boiler decrusting agent.
 Connect the water hose directly to the
pump and hang in the other free end
into the container.
 Insert the connected spray pipe without
nozzle into the container.
 Start the engine according to the oper-
ating instructions of the engine manu-
facturer.
 Open the hand-spray gun and do not close
it during the decalcification process.
 Set the temperature regulator to work-
ing temperature of 40 °C.
 Let the appliance run till the working
temperature is reached.
 Switch off the appliance and let it stand for
20 minutes. The hand-spray gun must re-
main opened.
 Then pump out the machine until empty.
Note: As an anti-corrosion measure and for
neutralising the acid residue, we recom-
mend that you finally pump an alkaline so-
lution through the machine (for e.g. RM 81)
via the detergent tank.
– Fuel tank empty
 Refill.
– Liquid softener tank is empty, due to
technical reasons a remainder stays in
the tank.
 Refill.
– Electrodes in the tank are dirty
 Clean the electrodes.
Follow operating instructions of the engine
manufacturer!
– Fuel tank empty.
 Refill.
– Spark plug is dirty.
Spark plug is defective.
 Clean or replace the spark plug.
– No oil in the motor.
 Check oil level of the engine.
Replenish oil.
Troubleshooting
Fuel indicator lamp glows
Indicator lamp for 'softener liquid
empty' is blinking
Motor does not run
23 EN