684-001
3
FIRE OR EXPLOSION HAZARD
Static electricity is created by the high velocity flow
of fluid through the pump and hose. If every part
of the spray equipment is not properly grounded,
sparking may occur, and the system may become
hazardous. Sparking may also occur when
plugging in or unplugging a power supply cord.
Sparks can ignite fumes from solvents and the
fluid being sprayed, dust particles and other
flammable substances, whether you are spraying
indoors or outdoors, and can cause a fire or
explosion and serious bodily injury and property
damage. Do not plug in or unplug any power
supply cords in the spray area when there is any
chance of igniting fumes still in the air.
Grounding
To reduce the risk of static sparking, ground the
pump and all other spray equipment used or
located in the spray area. CHECK your local
electrical code for detailed grounding instructions
for your area and type of equipment. BE SURE to
ground all of this spray equipment:
If you experience any static sparking or even a
slight shock, STOP DISPENSING IMMEDIATELY.
Check the entire system for positive grounding. Do
not use the system again until the problem has
been identified and corrected.
1.
Pump: use a ground wire and clamp as
instructed at the right.
2.
Air hoses: use only grounded air hoses.
3.
Fluid hoses: Use only grounded fluid hoses.
Check the electrical resistance of your air and
fluid hoses at least once a week. If your hose
does not have a tag on it which specifies the
electrical resistance, contact the hose supplier
or manufacturer for the resistance limits. Use
a resistance meter in the appropriate range for
your hose to check the resistance. If the
resistance exceeds the limits, replace it
immediately.
4.
Air compressors: follow the air compressor
manufacturer’s recommendations.
5.
Spray gun or dispensing valve: grounding is
obtained through connection to a properly
grounded fluid hose and pump.
6.
Object being sprayed: according to your local
code.
7.
All solvent pails used when flushing, according
to local code.
Use only metal pails, which are
conductive, placed on a grounded surface. Do
not place the pail on a non-conductive surface,
such as paper or cardboard, which interrupts
the grounding continuity.
8.
To maintain grounding continuity when flushing
or relieving pressure, always hold a metal part
of the gun firmly to the side of a
metal pail,
then trigger the gun.
To ground the pump, connect a ground wire to the
motor grounding lug. See the illustration above.
Refer to ACCESSORIES for ordering a ground
wire and clamp. Loosen the locknut (W) of the
grounding lug (X) and washer (Y). Insert one end
of the grounding wire (12 ga minimum) (Z) into the
slot in the lug and tighten the locknut securely.
Connect the other end of the wire to a true earth
ground, as recommended by your local electric
code.
IMPORTANT
United States Government safety standards have
been adopted under the Occupational Safety and
Health Act. These standards-particularly the
General Standards, Part 1910, and the
Construction Standards, Part 1926 should be
consulted.
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