6
1)
Options / model variants
NEPTUNE 2
3.5 Connecting the high
pressure hose
1. Put the quick connector of
the high pressure hose onto
the nipple on the cleaner.
1)
3.4 Fill up fuel tank
NOTE!
At temperatures below 8° C, the fuel
oil begins to solidify (paraffin precip-
itation). This can lead to difficulties
in starting the burner. Before the
winter period either add a solidifica-
tion point / flow improver (available
from the fuel oil trade) to the fuel or
use winter diesel fuel.
With the machine cold:
1. Pour fuel (fuel oil EL,
or Diesel oil DIN 51 603)
into the fuel tank.
The fuel must be free from con-
tamination.
Tank capacity see chapter 9.3
Technical data.
Be careful not to damage the
fuel tank filter to avoid dirt enter-
ing in the tank
3.6 Connecting the water
supply
1. Rinse the water supply hose
briefly in order to prevent
sand an other dirt particles
entering into the machine.
2. Connect water supply hose
to the machine.
3. Open water tap.
NOTE!
See chapter 9.3 Technical Data for
required quantity of water and water
pressure.
In the case of poor water quality
(sand, etc.), we recommend that a
fine water filter is fitted in the water
inlet.
We recommend the use of a textile-
reinforced water hose with a nomi-
nal diameter of min. 3/4" (19 mm).
3.7 Adjusting the Nilfisk-
ALTO AntiStone
device
1)
The Nilfisk-ALTO AntiStone de-
vice is set at the factory to water
hardness class 2. Adjustment:
1. Open cover.
2. Measure the water hardness
or ask your water supply
company.
3. Read off setting for Nilfisk-
ALTO AntiStone from the
table below and set the ad-
justing knob to required posi-
tion.
0
1
2
3
4
mg/l Grains
O
dH °e °f ppm Ca Description Setting
NEPTUNE 2
0-17 0-1
0-7 0-8,8 0-12,5 0-50
soft 0
17-60 1,1-3,5 slightly hard 1
60-128 3,6-7,5 7-14 8,8-17,5 12,5-25,1 51-150
moderately hard
2
128-180 7,6-10,5 14-21 17,5-26,3 25,1-37,6 151-300 hard 3
>180 >10,5 >21 >26,3 >37,6 >300 very hard 4
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