Start Up - Kärcher HKF 50 E Bedienungsanleitung

Cleaning liquids
solvents
DANGER
– The explosion protection must be taken
into consideration when operating with
solvents as well as in EX zones!
– Maximum pressure with solvent opera-
tion: 5 MPa
ATTENTION
When operating with solvents, the sealing
materials are less resistent, therefore they
must be flushed immediately after use! En-
quire with Kärcher!
1 Hydrocarbons
Example: Petroleum
2 Aromates (solvents)
Example: Benzene, toluene
3 Ketones
Example: MEK (Methyle Ethyle Ke-
tones), Acetone
4 Ester
Example: Butylacetate, Methylacetate
5 Glycoles
Example: Butyl glycole
6 Mixed solvents
Example: Butyl acetate 85, Isobutyl ac-
etate 85 (85 = 85% Butyl acetate + 15%
n-Butanol)
7 Regenerates, distillates from different
solvents, which have already been
used for cleaning purposes or similar
applications.
Brines
1 Water with alkaline cleaning agents
(max. 0-2%)
Example: Kärcher cleaning agents
RM31
2 Caustic soda max. 10%, without hy-
pochlorite particles
3 Potassium hydroxide max. 10%, with-
out hypochlorite particles
Acids
ATTENTION
– The material will be worn off faster
when using hydrochloric or sulfuric ac-
ids; therefore it must be rinsed/neutral-
ised immediately!
– Contaminated acids will decrease the
resilience!
– Enquire with Kärcher if needed!
1 Water with acid cleaning agents (max.
0-1%)
Example: Kärcher cleaning agents
RM25
2 Acids (max. temperature +20 °C)
Nitric acid max. 10%.
Acetic acid max. 10%.
Formic acid max. 10%.
Phosphoric acid max. 10%.
Citric acid max. 10%.
Sulfuric acid max. 0.5%.
Hydrochloric acid max. 0.5%.
Water
1 Water
2 Fully desalted water
Other cleaning liquids
If other cleaning liquids are used, their resil-
ience must be checked by means of the
materials list! These cleaning liquids can
only be used after being released by Kärch-
er!
Selecting the nozzle
Flow volume 1200 1200 1000 1000
[l/h]
Pressure 9,5 9,5
[MPa]
Number of 2 1
nozzles
Nozzle size 1,4 * 2,0
[mm]
Order No. 012 015
5.765-
* Standard
Special nozzles for solvent operation on re-
quest.

Start up

Electric drive
DANGER
Risk of fatal injuries on account of electric
voltage! Required electrical work must only
be performed by an electrical specialist.
– The socket must be secured through a
residual current device (RCD) with a
triggering current of 30 mA.
– This socket must be located close to the
work station so that the plug can be
pulled immediately in case of an emer-
gency.
Compressed air drive
ATTENTION
In order to avoid damage to the com-
pressed air drive by condensation wear
and lack of lubrication, install a mainte-
nance unit into the compressed air supply
(order no. 6.610-020).
This maintenance unit must be laid out as
follows:
– Air throughput of 500 l/min
– Pressures up to 0.7 MPa
The maintenance unit consists of:
– Water separator
– Pressure regulator with manometer
– Proportional oiler
 Fill the proportional oiler with suitable
lubrication oil by unscrewing the reser-
voir and filling it with lubricating oil (for
oil type see "Care and Maintenance").
5
-
EN
Connect compressed air hoses to the
compressed air motor
Note: If the silencers are too small, the cre-
ated backpressure of the exhaust air will
cause an unstable run of the compressed
air drive. Connect hoses to the exhaust air
openings.
9,5 9,5
2 1
1,2 1,7
014 013
 Connect an air supply hose to connec-
tion no. 2.
– Hose size for supply air: DN 6
 Connect exhaust air hoses to connec-
tion no. 1 and EXH.
– Hose length: 1 -2 m
– Hose size for exhaust air: DN 6
Attach drum screws or hole cone
Note: Lubricate the threads with a sealant
prior to installation, so that no cleaning liq-
uid can leak from the threads (e.g. with Drei
Bond no. Nr. 1359, Kärcher order no.
6.869-029).
1 Screwed sealing plug
2 Bevel wheel
3 Axle stub
4 Drum screws or hole cone
 Loosen the locking screw.
 Pull off the bevel wheel.
 Unscrew axel stub by means of a round
tool (2.8 mm diameter).
 Insert or replace drum screws or hole
cone.
 Lubricate axle stub with sealant and
screw it in.
 Attach bevel wheel.
 Lubricate locking screw with sealant
and screw it in.
15