Safety Devices; Commissioning And Operation; Description Of The Appliance - Kärcher K 3.91 MD Betriebsanleitung

couplings recommended by the manufactur-
er.
Cleaning operations which produce oily
waste water, e.g. engine washes, underbody
washes, may only be carried out using wash-
ing stations equipped with an oil separator.
Note
The appliance must not be operated by chil-
dren or persons who have not been instruct-
ed accordingly.
The operator must use the appliance proper-
ly. When working with the appliance, he must
consider the local conditions and pay due
care and attention to other persons, in partic-
ular children, who are nearby.
Observe a distance of at least 30 cm when
using the jet to clean painted surfaces to
avoid damaging paintwork.
Wear protective clothing and safety goggles
to protect against back spray containing wa-
ter or dirt.
Never leave the appliance unattended when
it is in operation.
This appliance was designed to be used with
detergents which are supplied or recom-
mended by the manufacturer. The use of oth-
er detergents or chemicals may compromise
the safety of the appliance.
Make sure that the power cable or extension
cables are not damaged by running over,
pinching, dragging or similar. Protect the
power cable from heat, oil, and sharp edges.
The connection between the power cable
and extension cable must not lie in water.
All current-conducting parts in the working
area must be protected against jet water.
The appliance may only be connected to an
electrical supply which has been installed in
accordance with IEC 60364.
The appliance may only be connected to al-
ternating current. The voltage must corre-
spond with the type plate on the appliance.
The minimum fuse rating required at the
socket outlet is 10 A (slow-blow).
To avoid accidents due to electrical faults we
recommend the use of sockets with a line-
side current-limiting circuit breaker (max.
30 mA nominal tripping current).
The plug and coupling of the extension cable
used must be watertight.
Always fully unroll electrical cables from the
cable drum.
10
English

Safety Devices

Safety devices prevent injury and may not be
modified or bypassed.
Unit switch
The switch prevents unintended starting of the
appliance. Stop the appliance during breaks or
after operation.
Safety catch
The safety catch on the trigger gun prevents the
appliance from being switched on unintentional-
ly.

Commissioning and operation

Definition of abbreviations used:
HP = High pressure
DT = Detergent

Description of the Appliance

When unpacking the product, make sure that no
accessories are missing and that none of the
package contents have been damaged. If you
detect any transport damages please contact
your dealer.
Illustrations on Page 2
1 ON/OFF switch for appliance
2 Power cable with plug
3 HP outlet
4 HP hose
5 Trigger gun with safety catch
6 Connection for water supply with filter
7 Coupling element for water connection
8 DT tank
9 DT suction hose with filter
10 Accessory mount, trigger gun
11 Accessory mount, HP hose
12 Accessory mount, spray lance
13 Transport handle
14 Spray lance with pressure regulation (Vario
Power)
15 Spray lance with dirt blaster
16 Washing brush