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Karcher HD 8-18-4 M St Manual

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English 17
Clean the nozzle.
Contact Customer Service if necessary.
Pump leaking
Up to 3 drops of water per minute are permissible.
In case of more serious leaks, have the device
checked by Customer Service.
Pump knocking
Check the water supply line for leaks.
Vent the device, see section "Venting the device".
Contact Customer Service if necessary.
Detergent dosing volume too low
Refill the foam nozzle cup.
Plug a larger blender onto the suction hose.
Check the suction hose and foam nozzle for deter-
gent deposits. Remove deposits using lukewarm
water.
Accessories and spare parts
Only use original accessories and original spare parts.
They ensure that the appliance will run fault-free and
safely.
Information on accessories and spare parts can be
found at www.kaercher.com.
Warranty
The warranty conditions issued by our relevant sales
company apply in all countries. We shall remedy possi-
ble malfunctions on your appliance within the warranty
period free of cost, provided that a material or manufac-
turing defect is the cause. In a warranty case, please
contact your dealer (with the purchase receipt) or the
next authorised customer service site.
(See overleaf for the address)
Technical data
HD 6/15
M
HD 6/15
MX
HD 6/15
M St
HD 7/17
M
HD 7/17
MX
HD 7/17
M St
HD 7/
14-4 M
Electrical connection
Mains voltage V 230 230 230 400 400 400 230
Phase ~ 1113331
Power frequency Hz50505050505050
Connection output kW 3.1 3.1 3.1 4.2 4.2 4.2 3.4
Protection class IPX5 IPX5 IPX5 IPX5 IPX5 IPX5 IPX5
Power protection (slow-blowing)A 16161616161616
Extension cable, 30m mm
2
2.5 2.5 2.5 2.5 2.5 2.5 2.5
Water connection
Feed pressure (max.) MPa1111111
Input temperature (max.) °C 60606060606060
Input amount (min.) l/min 13 13 13 15 15 15 15
Suction height (max.) m 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Device performance data
Nozzle size of standard nozzle -- 033 033 033 040 040 040 043
Operating pressure MPa15151517171714
Operating pressure (max.) MPa 22.5 22.5 22.5 25.5 25.5 25.5 21
Water flow rate l/min 9.3 9.3 9.3 11.6 11.6 11.6 11.5
High-pressure gun recoil force N 28.6 28.6 28.6 35.5 35.5 35.5 32.3
Dimensions and weights
Typical operating weight kg 30 33 25 32 35 27 39
Length mm 455 455 290 455 455 290 455
Width mm 400 400 300 400 400 300 400
Height of push handle, bottom, (top) mm 700
(970)
890
(970)
565 700
(970)
890
(970)
565 700
(970)
Oil volume l 0.25 0.25 0.25 0.20 0.20 0.20 0.35
Oil type Type 15W40 15W40 15W40 15W40 15W40 15W40 0W40
Determined values in acc. with EN 60335-2-xx
Hand-arm vibration value m/s
2
2.4 2.8 2.4 3.0 2.9 3.0 2.7
K uncertainty m/s² 0.7 0.8 0.7 0.8 0.8 0.8 0.8
Sound level dB(A) 74 74 76 79 78 79 68
K uncertainty
pA
dB(A)3333333
Sound power level L
WA
+ K uncer-
tainty
WA
dB(A)90909295949584
… 17 …


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