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3.2. HOSE SAFETY
The product circulating at high pressure in the
hoses is potentially very dangerous. In the event
of a leak or burst in the hose due to wear of any
kind, damage or improper use, the high pressure
jet issuing from the hose may cause the product
to be injected or any other severe body injury as
well as damage to materials.
ALL PRODUCT HOSES MUST BE FITTED
WITH PROTECTION SPRINGS AT BOTH
ENDS. Protection springs help to avoid the hoses
from becoming constricted or twisting near the
join, which would cause them to burst.
ADJUST as tightly as possible all connections
through which product will circulate. Products
under high pressure can disengage loose
connections or allow the product to issue from
the loose connection under pressure.
NEVER use a damaged hose.
Before each use, check the entire length of the
hose for leaks, scrapes, raised portions on the
outer coating, damage or loose connections. If
any of these are detected, replace the hose
immediately. DO NOT attempt to use the high
pressure hose or repair it with adhesive tape or
any other element.
HANDLE AND ARRANGE THE HOSES WITH
CARE. Do not pull the hose to move the
equipment. Keep the hose away from moving
parts and surfaces of the pump and motor which
may be hot. Do not use products or solvents
which are incompatible with the inner finish or
outer coating of the hose. DO NOT EXPOSE
DELON hoses to temperatures in excess of 82°C
or below -40°C.
Electrical continuity of the hose
The maintenance of adequate electrical continuity
in the hose is essential to ensure the
uninterrupted grounding of the spraying system.
Check the electrical resistance of your product
hoses at least once a week. Use a resistance
gauge of suitable characteristics for your hose
for measuring the resistance. If the resistance
should exceed the recommended limits, replace
it immediately. A hose which is not grounded or
is incorrectly fitted may cause the system to be
dangerous. See also RISK OF FIRE OR
EXPLOSION.
3.3. RISK OF FIRE OR EXPLOSION
Application using a spray gun, washing, or
cleaning equipment by means of inflammable
liquids in spaces containing a continuous
atmosphere may cause fire or explosions.
These tasks must be performed out of doors or
in extremely well-ventilated interiors. All
equipment used must be grounded, including
hoses, containers and objects to be painted.
Avoid any potential source of ignition, such as
the electrostatic charge of a plastic awning, naked
flames in pilot lights, heat points (lighted
cigarettes), electric arcs produced by connections
or disconnecting the power supply cables or
switching the lights on or off.
Failure to observe this warning may cause severe
injuries and possible loss of life.
The passage of product at high speeds through
the pump and the hoses may cause sparks.
These sparks can set fire to the solvent vapours
and to the product being applied, to the powder
particles and other inflammable substances,
whether application takes place indoors or
outdoors, and there is a risk of fire or explosion
as well as of serious injury and material damage.
If sparks are caused by static electricity or if the
slightest discharge is felt, STOP DISTRIBUTION
IMMEDIATELY.
Stop the system until the problem has been
identified and corrected.
In order to prevent the risk of static electricity,
the equipment must be grounded in accordance
with the paragraph "Grounding".
3.3.1. Grounding
To avoid risks deriving from static electricity,
ground the spray gun and all spraying equipment
being used or which are in the spraying area.
CHECK the characteristics of the local electrical
supply for detailed grounding instructions,
corresponding to the area and the type of
equipment used. CHECK the grounding of all
the spraying equipment.
a)
Electrical
correctly-grounded current outlet. The extension
cables must be of 3 wires and sized correctly for
the consumption of the equipment.
b) Pneumatic equipment: Ground correctly.
c) Product hoses: only hoses with an extension
not exceeding 50m. may be used, in order to
ensure continuity of the grounding device. See
Electrical Continuity of the Hose.
d) Spray gun: grounding is made through a
connection to a product hose or a correctly
grounded spray gun.
e) Item to be painted. In accordance with the
applicable legislation in force.
f) Product container: In accordance with the
applicable legislation in force.
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