6
1)
Options / model variants
Original instructions
NEPTUNE 3
CAUTION!
Never spray electrical equip-
ment with water: danger for
persons, risk of short-circuiting.
Switching on the cleaner may
cause voltage fl uctuations.
Voltage fluctuations should
not occur if the impedance at
the transfer point is less than
0.15
If in doubt ask your local
electricity supplier.
Maintenance and repair
CAUTION!
Always remove the plug from
the mains plug socket before
cleaning or carrying out mainte-
nance work on the cleaner.
Carry out only the maintenance
operations described in the
operating instructions. Use only
original Alto spare parts.
Do not make any technical
modifications to the high-pres-
sure cleaner.
Ensure that the machine is
regularly serviced by Authorised
ALTO dealers in accordance
with the maintenace plan. Fail-
ure to do so will invalidate the
warranty.
CAUTION!
High-pressure hoses, fittings
and couplings are important for
the safety of the cleaner. Use
only high-pressure parts ap-
proved by the manufacturer!
The mains power lead must not
differ from the version specified
by the manufacturer and may
only be changed by an electri-
cian.
Please contact the Alto service
department or an authorised
specialist work-shop for all oth-
er maintenance or repair work!
Testing
The cleaner conforms to the
German „Guidelines for Liq-
uid Spray Jet Devices“. The
high-pressure cleaner must be
subjected to a safety exami-
nation in accordance with the
„Accident Prevention Regula-
tions for Working with Liquid
Spray Jet Devices (BGV D15)“
as required, but at least every
12 months, by an authorised
inspector.
After all repairs or modifica-
tions to electrical equipment,
the protective conductor resist-
ance, the insulation resistance
and the leakage current must
be measured. Furthermore, a
visual inspection of the mains
power lead, a voltage and cur-
rent measurement and a func-
tion test must be carried out.
Our after-sales service techni-
cians are at your disposal as
authorised inspectors.
The complete „Accident Pre-
vention Regulations for Working
with Liquid Spray Jet Devices“
are available from the Carl
Heymanns Verlag KG, Lux-
emburger Strasse 449, 50939
Cologne or from the appropriate
association of employers’ liabil-
ity insurances.
The pressure-bearing parts of
this high-pressure cleaner have
been manufactured in accord-
ance with § 9 of the German
Pressure Vessels Ordinance
and successfully subjected to a
pressure test.
Safety devices
Unacceptably high pressure is
fed back without residual pres-
sure via a bypass line into the
intake line of the pump when
the safety device is tripped.
If the conveying capacity falls
below a fixed value, the built-
in flow monitor automatically
switches off the oil burner. The
oil burner is set to continuous
ignition. As an additional protec-
tion mechanism, a thermo-fuse
is integrated at the inlet to the
heat exchanger. As such, the
appliance cannot overheat.
The safety devices are factory
set and leaded, and must not
be adjusted.
WARNING
•
Inhalation of aerosols can
be hazardous to health.
•
Where applicable use a
device in order to avoid or
reduce aerosols production,
e.g., a shield covering the
nozzle.
•
For protection against aero-
sols use a respiratory mask
of class FFP 2 or higher.
2 Description
2.1 Purpose
This high-pressure cleaner has
been designed for professional
use in
– Agriculture
– industry
– transport
industry
– automotive
cleaning
– municipal
facilities
– cleaning
trade
– construction
industry
– 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 sur-
face to be cleaned or may re-
sult in severe injury to persons.
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