Antiscale adjustment
Measure the water hardness or ask your water supply company.
mg/l
Grains
°dH
.0-17
0-1
0-7
17-60
1.1-3.5
60-128
3.6-7.5
7-14
128-180
7.6-10.5
14-21
>180
>10.5
>21
Maintenance plan
Water filters
Grease quick coupling nipples for hose, gun and lance
Check the pump oil quality
Change the pump oil
14
1. Open cabinet.
°e
°f
ppm Ca
0-8.8
0-12.5
0-50
8.8-17.5
12.5-25.1
51-150
17.5-26.3 25.1-37.6
151-300
>26.3
>37.6
>300
Description
Soft
Slightly Hard
Moderately Hard
Hard
Very Hard
Weekly
As required
●
●
●
2. Adjustment knob setting
according to rated water flow
2.4 - 4.0
gpm
0
0.5
1
1.5
2
When service lamp
lights
✆
Nilfisk Service
Original instruction