9.3 Technical data ....................................................................18
9.4 EU Declaration of Conformity .............................................18
1
NEPTUNE 5 / 7 / 8
english
Symbols used to mark
instructions
Before using the
high-pressure
cleaner, be sure
to also read the
enclosed operat-
ing instructions
and keep them within reach at
all times.
Safety instructions
in these operating
instructions which
must be observed
to prevent risks
to persons are marked with this
danger symbol.
This symbol is used to
mark safety instruc-
tions that must be
observed to prevent
damage to the machine
and its performance.
This indicates tips
and instructions
to simplify work
a n d to ensure safe opera-
tion.
Operations
marked with this
symbol should
only be carried
out by Nilfisk-
Alto Service
Technicians.
1 Important safety instructions
For your own safety
The high-pressure cleaner should
only be used by authorized persons who have been instructed
in its use.
Although extremely easy to
operate, children should not be
allowed to use the cleaner.
General
Use of the high-pressure cleaner
is subject to the applicable local
regulations.
Besides the operating instructions and the binding accident
prevention regulations valid in
the country of use, observe recognized regulations for safety
and proper use.
Do not use any unsafe work
techniques.
Transport
Transport of the high-pressure
cleaner is easy on its large
wheels.
For safe transport in and on vehicles we recommend preventing
the equipment from sliding and
tilting. Secure it with tie-downs
and apply the parking brake on
the castor wheel.
For transport at temperatures
around or below freezing 0°C
(32°F), anti-freeze should be
drawn into the pump beforehand
(see chapter 6).
Before starting the cleaner
If your 3-phase cleaner was
supplied without a plug, have
it fi tted with a suitable 3-phase
plug with ground, by a qualifi ed
electrician.
Before use, check that the highpressure cleaner is safe and in
proper condition.
Regularly check whether the
power cord is damaged or shows
signs of ageing.
Use the high-pressure cleaner
only when the power cord is in
a safe condition. (risk of electric
shock using damaged cord!).
Check the rated voltage of the
high-pressure cleaner before
connecting it to the mains power
supply. Ensure that the voltage
shown on the rating plate corresponds to the voltage of the
power supply.
We strongly recommend that the
power supply to the high pressure cleaner be connected via a
residual current circuit breaker.
This device stops the supply of
electricity if the leakage current
to the ground exceeds 30 mA for
30 ms or it has an ground tester
circuit.
Please observe the regulations
and provisions applicable in your
area. Before putting the highpressure cleaner into service,
carry out a visual check of all
the major components.
1)
2
Options / model variants
NEPTUNE 5 / 7 / 8
CAUTION!
High-pressure water jets can
be dangerous if misused. The
jet must not be directed at
persons, animals, live electrical equipment or the cleaner
itself.
Wear appropriate protective
clothing and eye protection.
Do not direct the jet towards
yourself or towards other persons in order to clean clothes or
footwear.
During operation of the cleaner,
recoil forces are produced at the
gunvalve and spray lance and,
when the spray lance is held at
an angle, a torque is also created.
The gunvalve and spray lancemust therefore be held fi rmly in
both hands.
Do not use the cleaner when
other people without protective
clothing are in the working area.
Check that cleaning will not
result in dangerous substances
(e.g. asbestos, oil) being washed
off the object to be cleaned and
harming the environment.
Do not clean delicate parts
made of rubber, fabric, etc. with
the 0° jet. Keep some distance
between high pressure nozzle
and surface in order to prevent
the surface from damage.
Do not use the high-pressure
hose for lifting loads.
NOTE!
The maximum permissible working pressure and temperature
are printed on the high-pressure
hose.
Do not use the cleaner if the
power cord or high-pressure
hose is damaged.
Store the cleaner where
it will not be exposed
to frost!
Never operate the cleaner without water. Even brief shortages
of water result in severe damage
to the pump seals.
Operation
Keep cabinet and service door
closed during operation.
CAUTION!
Unsuitable extension cords
can represent a source of
danger. Always unwind cord
from the reels completely to
prevent the power cord overheating.
Connectors and couplings of
extension cords must be watertight.
Extension cords are not recommended, however if necessaray
refer to the following recommendations:
Cord length
m
up to 20 m
(US: 30 ft)
(US: 50 ft)
(US: 75 ft)
20 to 50 m
Cross section
up to16 Aup to 25 A
ø1.5mm²
14 gauge
12 gauge
10 gauge
ø2.5mm²ø4.0mm²
ø2.5mm²
12 gauge
10 gauge
not recommended
Do not damage the power cord
(e.g. by driving over it, pulling or
crushing it).
Disconnect the power cord by
grasping the plug only (do not
pull or tug the power cord).
CAUTION!
Unsuitable fuels (e.g. gasoline)
must not be used as they can
explode and catch fi re.
with Bio-Diesel (DIN 51606).
However, our experience has
shown that the fuel quality is
often outside the recognized
standards. An organic product
like Bio-Diesel can be affected by
long-term storage (e.g. over the
winter), extreme temperatures,
or improper transportation. When
the condition of the fuel is outside
the standards, trouble may occur
which cannot be covered by the
Warranty.
If the machine is to be operated at fuel stations or in other
potentially hazardous areas, the
machine may only be employed
outside the hazard areas defi ned
in the German „Technical Guidelines for Infl ammable Fluids“ applicable at the point of use due
to the potential explosion hazard
posed by the burner.
If the machine is to be operated
indoors, the local building regulations must be observed for the
discharge of the exhaust fumes
into the atmosphere. Ensure an
adequate supply of fresh air.
If the machine is to be connected to a fl ue gas stack, then
local building regulations must be
observed. We will be glad to provide tips for connection systems,
on request.
CAUTION!
Do not touch or cover the exhaust. Risk of burns and fi re.
Electrical equipment
CAUTION!
Never spray electrical equipment with water: risk of electtrical shock and short-circuit.
english
Ensure adequate air circulation.
Do not cover the cleaner or operate it in inadequately ventilated
rooms!
1)
Options / model variants
Use clean fuel only, free of
moisture and contamination.
Contact your dealer for fuel
source and type recommendations.
This machine can be used
The cleaner may only be connected to a correctly installed
plug socket.
Switching on the cleaner may
cause voltage fl uctuations.
Voltage fl uctuations should not
occur if the impedance at the
transfer point is less than 0.15
If in doubt ask your local electric-
3
NEPTUNE 5 / 7 / 8
english
ity supplier.
Maintenance and repair
CAUTION!
Always remove the plug from
the power supply before cleaning or carrying out maintenance work on the cleaner.
Carry out only the maintenance
operations described in the operating instructions. Use only
original Nilfi sk-Alto spare parts.
Do not make any technical
modifi cations to the high-pressure cleaner.
Ensure that the machine is
regularly serviced by authorized
Nilfi sk-Alto dealers in accordance
with the maintenace plan. Failure
to do so will void the warranty.
CAUTION!
High-pressure hoses, fi ttings
and couplings are important
for the safety of the cleaner.
Use only high-pressure parts
approved by the manufacturer!
The power cord must not differ
from the version specifi ed by the
manufacturer and may only be
changed by an electrician.
Please contact your local authorized Nilfi sk-Alto equipment
distributor for all other maintenance or repair needs!
Testing
The cleaner conforms to the German „Guidelines for Liquid Spray
Jet Devices“. The high-pressure
cleaner must be subjected to a
safety examination in accordance with the „Accident Prevention Regulations for Working
with Liquid Spray Jet Devices“
as required, but at least every
12 months, by an authorised
inspector.
After all repairs or modifications to electrical equipment,
the protective conductor resistance, the insulation resistance
and the leakage current must
be measured. Furthermore, a
visual inspection of the mains
power lead, a voltage and current
measurement and a function test
must be carried out. Our after-
sales service technicians are
at your disposal as authorised
inspectors.
The complete „Accident Prevention Regulations for Working
with Liquid Spray Jet Devices“
are available from the Carl Heymanns Verlag KG, Luxemburger
Strasse 449, 50939 Cologne or
from the appropriate association of employers’ liability insurances.
The pressure-bearing parts of
this high-pressure cleaner have
been manufactured in accordance with § 9 of the German
Pressure Vessels Ordinance
and successfully subjected to a
pressure test.
Unloader valve
Pump pressure is reduced by
means of an "unloader valve"
which returns water to the inlet
side of the pump at a minimum
pressure. The point at which
this occurs is set and sealed
at the factory and must not be
adjusted.
2 Description
4
2.1 Purpose
This high-pressure cleaner has
been designed for professional
use in
– Agriculture
– Industry
– Transport industry
– Automotive
– Municipal Facilities
– Janitorial
– Construction
– Food Industry
etc.
Chapter 5 describes the use of
the high-pressure cleaner for
various cleaning jobs.
Always use the cleaner as
described in these operating
instructions. Any other use may
damage the cleaner or the surface to be cleaned or may result
in severe injury to persons.
1)
Options / model variants
NEPTUNE 5 / 7 / 8
2.2 Operating elements
See fold-out page at front of these
operating instructions.
1 Spray lance
2 Spray lance storage
3 Control panel
4 Crank handle for
High pressure hose reel
(Neptune ..X)
Cord reel (Neptune ..X2)
5 Fuel level gauge
6 Tank fi ller for fuel
7 Receptacle for service
crane and lifting ring
8 Top cover release
9 Service door release
10 Crank handle for
High pressure hose reel
(Neptune ..X2)
11 High pressure hose connec-
tion for machines without
hose reel
1)
1)
1)
1)
12 Main switch ON/OFF - cold
water/hot water
13 Display (Temperature or
Codes)
14 Temperature control
15 Low fuel indicator
16 Low Nilfi sk-Alto AntiStone
(Anti-Scale) indicator
17 Service interval due/expired
18 Pump oil low
19 Detergent metering knob
20 Pressure gauge
21 Power ON
22 Castor with parking brake
23 Water supply connection
24 Tank fi ller for anti-freeze
25 Tank fi ller for Nilfi sk-Alto
Anti-Scale
26 Canister for detergent B
27 High pressure hose reel
(Neptune ..X)
28 Power cord reel
(Neptune ..X2)
29 Tank fi ller for detergent A
1)
1)
1)
english
30 Grip for top cover
3 Before starting the cleaner
3.1 Transport and assembly
1. The safest way to lift the ma-
chine is to use a fork-lift truck
The arrows in the illustration
indicate the best places to
position the fork.
2. It is also possible to lift the machine by hand from the pallet.
Due to the weight this work
should be done by at least
three persons.
CAUTION!
Do not hold the plastic tank to lift
the machine as it could become
detached from the frame.
The best places to hold the ma-
chine are
– on the handle
– on the frame between the front
wheels and the guide rollers.
Every fuel-burning appliance, such
as pressure washers, depends
upon a proper mix of fuel and air
(by weight) for proper combustion.
Therefore some adjustment of the
air supply to the burner may be necessary to take account of altitude
and the resulting air pressure. This
is true whether your fuel is ‘Natural
gas’, Propane or Diesel.
Your Nilfi sk-Alto hot water pressure
washer was thoroughly tested and
adjusted for optimum performance
before it left our factory. The factory
is located at approximately 200m
(650 ft) above sea level, and the
combustion settings are optimal for
that elevation.
If your location is higher than
1200m (3900 ft) above sea level,
your burner may require re-adjustment for proper performance
and best fuel economy. Contact
your Dealer or Nilfi sk-Alto for
assistance.
3.2 Set the brake
1)
Options / model variants
1. Before using the cleaner for
the fi rst time, check it carefully
for any faults or damage.
2. Run the machine only when
it is in perfect working condition.
3. Set the brake.
5
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