![background image](http://html1.mh-extra.com/html/karcher/k-3-88-md/k-3-88-md_manual_4251810011.webp)
Deutsch
5
The overflow valve prevents the permissible
working pressure from being exceeded.
If the lever on the trigger gun is released the
pressure switch turns off the pump, the high-
pressure jet ist stopped. If the lever is pulled
the pump is turned on again.
The scope of delivery of your appliance is il-
lustrated on the packaging. Check the con-
tents of the appliance for completeness when
unpacking.
In the event of missing accessories or any
transport damage, please contact your deal-
er.
These operating instructions describe the
maximum equipment. Depending on the mod-
el, there are differences in the scopes of deliv-
ery (see packaging).
Illustrations on Page 2
1
Coupling element for water connection
2
High pressure connection
3
Appliance switch "0/OFF“/ „I/ON“
4
Detergent Tank
5
Storage for trigger gun
6
Suction hose for detergent
7
Transport handle
8
Storage for spray lance
9
Mains cable with mains plug
10 Water connection
11 Waterfilter
12 Trigger gun
13 Lock trigger gun
14 High pressure hose
15 Spray lance with Dirtblaster
16 Spray lance with pressure regulation
(Vario Power)
Special accessories expand the possibilities
of using your appliance. Please contact your
KÄRCHER dealer for further information.
Illustration
Mount loose parts delivered with appliance
prior to start-up.
Illustration
Î
Push the high pressure hose into the trig-
ger gun until it locks audibly.
Note:
Make sure the connection nipple is
aligned correctly.
Î
Check the secure connection by pulling
on the high-pressure hose.
According to the applicable regula-
tions, the appliance must never be
used on the drinking water supply
without a system separator. Use a
suitable system separator manufactured by
KÄRCHER; or, as an alternative, a system
separator as per EN 12729 Type BA. Water
flowing through a system separator is consid-
ered non-drinkable.
Observe regulations of water supplier.
For connection values, see type plate/techni-
cal data.
Î
Use a fibre-reinforced water hose (not in-
cluded) with a standard coupling. (Mini-
mum diameter 1/2 inch (13 mm),
minimum length 7.5 m).
Î
Screw the water filter on the water con-
nection of the device.
Î
Screw the delivered coupling part on the
water filter.
Î
Push the water supply hose onto the cou-
pling unit, then connect it to the water sup-
ply.
Caution
Dry runs lasting longer than two minutes lead
to damages to the high pressure pump. If the
appliance does not build up pressure within
two minutes, switch it off and proceed as in-
structed in the Chapter "Help with faults".
Î
Connect the high pressure hose to the
high pressure connection of the appli-
ance.
Î
Push the spray lance into the trigger gun
and fasten it by turning it through 90°.
Overflow valve with pressure switch
Operation
Scope of delivery
Description of the Appliance
Special accessories
Before Startup
Water supply
Water supply from mains
Start up
English
11
Summary of Contents for K 3.88 MD
Page 2: ...2...
Page 71: ...Deutsch 3 KARCHER REACH http www karcher de de unternehmen umweltschutz REACH htm 71...
Page 72: ...4 Deutsch 30cm 1 10 m 1 5 mm2 10 30 m 2 5 mm2 0 C 30 cm 72...
Page 75: ...Deutsch 7 Vario Power Mix 5 0 OFF 1 0 OFF 1 KARCHER 75...
Page 76: ...8 Deutsch 2 I ON Vario Power Mix 76...
Page 84: ...Deutsch 3 KARCHER REACH http www karcher de de unternehmen umweltschutz REACH htm 84...
Page 85: ...4 Deutsch 30 1 10 1 5 2 10 30 2 5 2 0 C 30 85...
Page 86: ...Deutsch 5 IEC 60364 30 2 1 2 3 0 OFF I ON 0 I 4 5 6 7 8 9 10 86...
Page 88: ...Deutsch 7 KAERCHER KAERCHER Vario Power Mix 5 0 OFF 0 1 0 OFF 0 1 88...
Page 89: ...8 Deutsch KARCHER 2 I ON I Vario Power Mix 89...
Page 139: ...Deutsch 3 KARCHER REACH http www karcher de de unternehmen umweltschutz REACH htm 139...
Page 140: ...4 Deutsch 30 1 10 1 5 2 10 30 2 5 2 0 C 30 IEC 60364 30 mA 140...
Page 141: ...Deutsch 5 2 1 2 3 0 OFF I ON 4 5 6 7 8 9 10 11 12 13 14 15 16 Vario Power KARCHER 141...
Page 142: ...6 Deutsch KARCHER EN 12729 BA 1 2 13 7 5 2 2 90 I ON Min Max KARCHER KARCHER Vario Power 142...
Page 143: ...Deutsch 7 Vario Power Mix 5 0 OFF 1 0 OFF 1 143...
Page 144: ...8 Deutsch KARCHER 2 I ON Vario Power Mix 144...
Page 164: ...Deutsch 3 KARCHER REACH http www karcher de de unternehmen umweltschutz REACH htm 164...
Page 165: ...4 Deutsch 30 1 10 1 5 2 10 30 2 5 2 0 C 30 165...
Page 166: ...Deutsch 5 IEC 60364 30 2 1 2 3 0 OFF I ON 0 I 4 5 6 7 8 9 10 11 12 13 14 15 16 Vario Power 166...
Page 167: ...6 Deutsch KARCHER KARCHER EN 12729 BA 1 2 13 7 5 2 2 90 I ON I Vario Power 167...
Page 168: ...Deutsch 7 KARCHER KARCHER Vario Power Mix 5 0 OFF 0 1 0 OFF 0 1 O 168...
Page 169: ...8 Deutsch KARCHER 2 I ON I Vario Power Mix 169...
Page 171: ......