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Nesco NC-551 Instruction Manual page 19

High pressure washer

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cause irreparable damage to
the
machine
disconnect the high-pressure
discharge hose from the
machine while the system is
still pressurised. Always follow
the above procedure.
! When using an extension
lead, make sure it is 13 amps
fused, and no longer than 25
metres. If using acable reel,
ALWAYS fully unwind the
cable before using (if left
wound yp, it can generate heat
and be a potential fire hazard)
. Only use a cable that is
recommended for outdoor use.
! The water supply should
provide a consistent pressure
throughout the period you are
using the pressure washer.
Make sure that , if the supply
is shared by an appliance
which could affect the water
pressure eg a washing machine
wich draws water on and off
periodically through it's
programme cycle, that the
appliance is not used whilst
using the pressure washer.
! Handle the lance with care,
ensuring that the tip is not
18
NEVER
damaged eg striking the ground
in use.
! The pressure washer should
always be used in its upright
position.
! Pressure washers can be
deceptively heavy, so take care
when lifting.
! NEVER connect the pressure
washer to the hot water supply,
as this will rapidly reduce the
life of the pump.
! It is necessary to turn on the
spray lance within one or two
minutes after the machine has
been switchedon. Otherwise,
the temperature of the water
circulating within the machine
will soon rise to a critical point
and will cause internal damage.
! When you have finished using
the machine, use the safety
button on the lance handle to
prevent the trigger from being
accidentally activated (see fig
B).
! It is highly recommended that
you use a Residual Current
Device (RCD) – not supplied-
with this product, to provide
you with maximum protection
from the risk of electrocution

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