9
DG - 30 & 70
- Read the operator’s and maintenance manual
carefully before using the cleaner or doing any
maintenance jobs.
- This machine is not intended for use on public roads
and places. Only qualified personnel must perform
maintenance and repair work.
ŸThe machine casing containing moving parts must
not be removed by the user.
ŸUse the machine cautiously on slopes and ramps.
Do not change direction on gradients.
ŸMake sure the parked machine remains stable by
operating the brake wheel.
ŸDuring cleaning operations, maintenance jobs or
when changing parts, the starter switch must be off
and the machine must be disconnected from the
power mains by removing the cable from the socket.
ŸOnly skilled persons should carry out repairs.
ŸPeriodically check the main power cable to ensure
this is not damaged.
ŸIn the event of the cable being damaged, the
machine must not be used.
ŸIn the event of the cable, plugs or couplings being
replaced, make sure these are protected against
water spray and check mechanical strength.
ŸMotor brushes and burnt-out fuses must be replaced
by Roots or authorized dealers. Always use original
spare parts.
ŸThe user is responsible for disposing of vacuumed
substances in accordance with applicable laws.
ŸThe machine must not be operated in a corrosive or
explosive environment.
ŸAlways make sure the machine is free of all foreign
materials such as debris, oil, equipment and other
objects that could affect operation and cause injury
to persons.
ŸAvoid using flammable or toxic solvents such as
petrol, benzene, ether and alcohol for cleaning.
ŸAvoid prolonged contact with solvents and inhaling
their vapors. Avoid close to open flames or sources
of heat.
ŸNever use the machine without the filter.
ŸDo not vacuum lit cigarette ends. The filter could be
damaged.
ŸMake sure all the guards and protection devices are
in place and that all the safety devices are in place
and working properly.
ŸDo not wear loose or hanging clothing such as ties,
scarves or torn garments that could become trapped
and be sucked up by the machine. Do not open the
vacuum container when the machine is running.
ŸThe manual should always be kept handy for
reference so the operating cycle can be checked
every time there are doubts. In the event of this
manual being lost or damaged ask Roots for a new
copy.
ŸStructural damage and improper alterations or
repairs could change the protection capacity of the
vacuum cleaner and therefore cancel this
certification.
ŸDuring maintenance jobs, affix a notice to the
a p p l i a n c e i n d i c a t i n g “ M A C H I N E B E I N G
SERVICED, DO NOT START”.
ŸClimbing on the cleaner is forbidden.
ŸNever touch electric wires, switches, button etc with
wet hands. Before connecting to the power mains,
make sure the power voltage and frequency are
those shown on the machine plate.
ŸMake power connections to a main supply with
efficient earth system. In the event of an extension
being used, make sure this is in perfect condition,
marked CE and that the cross section of the cable is
suitable for the vacuum cleaner power input.
ŸWhen restoring original working conditions, the
appointed personnel should make sure that at the
end of the operating procedure, proper machine
operation safety conditions are restored, especially
the safety devices and the protective guards.
ŸOnly adult persons should use the machine.
ŸDuring vacuuming operations, always brake the
machine using the special revolving wheel lock.
ŸTo ensure the correct operation of the machine, this
must be positioned, protected against atmospheric
agents (rain, hail, snow, fog, dusts in suspension
etc.) With an environmental running temperature
o o
between 5 C to 45 C and relative humidity not above
70%.
GENERAL SAFETY INSTRUCTIONS - Industrial Vacuum Cleaner
Turn the motors off to protect the machine against
unintended movements, before leaving it
unattended.
Never collect explosive fluids, undiluted acids and
s o l v e n t s . T h i s i n c l u d e s e . g . g a s o l i n e
pai nt thinners or f uel o il, whi ch-w hen
combined with air, may form explosive vapors or
mixtures. Acetone, undiluted acids and solvents
can be aggressive to the material used for the
machine components.
- Do not clean the machine by means of
vapour jet or high pressure cleaning
equipment.
- Do not allow water to penetrate the electrical
parts.
- Do not USE the machine on steps.
- This machine splash-water proof.
- Use of the machine in areas prone to explosion
hazards is strictly forbidden.