Hilti DD VP-U Operating Instructions Manual page 15

supply cord is damaged it must be replaced with
a specially-prepared supply cord available from
Hilti Customer Service. Check extension cords
at regular intervals and replace them if found
to be damaged. Do not touch the supply cord in
the event of it suffering damage while working.
Disconnect the supply cord plug from the power
en
outlet. Damaged supply cords present a risk of
electric shock.
5.3 Personal safety
a) Keep children and other persons away from the
area while the appliance is in use. Distractions
can cause you to lose control.
b) Children should be supervised to ensure that
they don't play with the appliance.
c) Stay alert, watch what you are doing and use
common sense when operating the appliance.
Do not use the appliance while tired or under
the influence of drugs, alcohol or medication. A
moment of inattention while operating appliances
may result in serious personal injury.
d) Avoid unusual body positions. Make sure you
work from a safe stance and stay in balance at
all times.
5.4 Safe use and operation
a) Take the influences of the surrounding area into
account. Do not expose the appliance to rain or
snow and do not use it in damp or wet conditions.
Do not use the appliance where there is a risk of
fire of explosion.
b) Use the right appliance for the job. Do not use
the appliance for purposes for which it was not
intended. Use it only as directed and when in
faultless condition.
c) Do not abuse the supply cord and/or the hose.
Never use the supply cord or hose to carry or
pull the appliance and do not pull the supply
cord when unplugging. Damaged supply cords
increase the risk of electric shock.
d) Keep the supply cord and hose away from heat,
oil, sharp edges or moving parts.
e) Check the appliance and its accessories for any
damage. Guards, safety devices and any slightly
12
damaged parts must be checked carefully to en-
sure that they function faultlessly and as inten-
ded. Check that moving parts function correctly
without sticking and that no parts are damaged.
All parts must be fitted correctly and fulfill all
conditions necessary for correct operation of the
appliance. Damaged guards, safety devices and
other parts must be repaired or replaced properly
at an authorized service center unless otherwise
indicated in the operating instructions.
f) During operation, protect the appliance and hose
from the effects of external influences which
could result in damage to the water separator or
hose.
5.5 Safety instructions for all operations
a) Observe the operating instructions for the dia-
mond coring machine used.
b) Avoid restriction or blocking of the hose, e.g.
pinching, kinking or entry of dirt.
c) Keep the ventilation slots on the pump clean
and unobstructed. Ensure adequate free space
at the air exit in order to avoid overheating of the
appliance.
d) Never allow the pump to stand in water.
e) The pump should stand on a dry horizontal sur-
face when in operation and should be secured to
prevent possible movement.
f) The vacuum will be maintained for a short time
after failure of the electric supply or malfunction
of the appliance. Should this occur, stop working
immediately and check the pressure gauges on
the pump and vacuum base plate. Secure the
workpieces to prevent falling.
g) Do not modify the appliance or tamper with its
parts.
h) Use only genuine Hilti spare parts.
i) Empty the water separator each time before
transporting the pump.
j) Ensure that the workplace is well lit.
5.6 Service
Have your power tool serviced by a qualified re-
pair person using only identical replacement parts.
This will ensure that the safety of the power tool is
maintained.