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Grounding
WARNING
FIRE AND EXPLOSION HAZARD
Before operating the pump, ground the
system as explained below. Also read
the section FIRE AND EXPLOSION
HAZARD on page 5.
1. King Pumps: use a ground wire and clamp. See
Fig. 1. Remove the ground screw (Z) and insert
through eye of ring terminal at the end of ground
wire (Y). Fasten ground screw back onto pump
and tighten securely. Connect the other end of
ground wire to a true earth ground. Order Part No.
222011 Ground Wire and Clamp.
All Other Pumps: use a ground wire and clamp.
See Fig. 2. Loosen the grounding lug locknut (W)
and washer (X). Insert one end of a 1.5 mm@ (12
ga) minimum ground wire (Y) into the slot in lug (Z)
and tighten the locknut securely. Connect the other
end of the wire to a true earth ground. Order Part
No. 237569 Ground Wire and Clamp.
2. Air, fluid, and hydraulic hoses: Use only electrically
conductive hoses with a maximum of 500 feet (150
m) combined hose length to ensure grounding
continuity. Check the electrical resistance of your
hoses at least once a week. If the total resistance
to ground exceeds 29 megohms, replace the hose
immediately.
NOTE: Use a meter that is capable of measuring
resistance at this level.
3. Air compressor or hydraulic power supply: follow
manufacturer's recommendations.
4. Spray gun/dispensing valve: grounding is obtained
through connection to a properly grounded fluid
hose and pump.
Installation
5. Fluid supply container: according to your local
code.
6. Object being sprayed: according to your local
code.
7. All solvent pails used when flushing, according to
your local code. Use only metal pails, which are
conductive, placed on a grounded surface. Do not
place the pail on a nonconductive 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
spray gun/dispensing valve firmly to the side of a
grounded metal pail, then trigger the gun/valve.
Fig. 1
Fig. 2
Z
W
Y
Y
TI1052
X
Z
0864
308151
7
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