Kärcher K 1102 Manuel D'instruction page 10

5. Maintenance
5.1 Cleaning the boiler
Note: If you always use demineralised or distilled
water, it will not be necessary to clean the boiler.
Rinsing out the boiler:
Fig. 4: Cleaning the boiler
Descaling the boiler:
TF Degree of
hardness
100 I soft
90 II medium
75 III hard
50 IV very hard
Table 1: Descaling the boiler
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° dH mmol/l
0–7 0–1.3
7–14 1.3–2.5
14–21 2.5–3.8
> 21 > 3.8
In order to avoid damage to the cleaner,
only use products that have been approved
by Kärcher.
Do not screw the safety cap (A2) onto the
cleaner while you are descaling the boiler.
Do not use the cleaner if there is any des-
caling liquid left inside the boiler.
5.2 Care of accessories
5.3 What to do if a problem occurs
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