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Installation
Grounding
WARNING
This pump must be grounded. The steps for
grounding may differ from the way you ground
other pumps. Carefully read and follow these
grounding instructions. See FIRE AND EXPLO-
SION HAZARD on page 5 before you operate the
pump.
Static electricity is created by the high-velocity flow of
fluid through the pump and hose. If every part of the
equipment is not properly grounded, sparking may oc-
cur. To reduce the risk of static sparking, ground the
pump and all other equipment used or located in the
pumping area. Check your local electrical code for de-
tailed grounding instructions for your area and type of
equipment. Ground all of the following equipment:
D Pump: use a ground wire and clamp as shown in
Fig. 2.
D Fluid and air hoses: use only grounded hoses with
a maximum of 500 feet (150 m) combined hose
length to ensure grounding continuity.
D Air Compressor: Follow the manufacturer’s recom-
mendations.
D Spray gun or dispensing valve: Obtain grounding
through connection to a properly grounded fluid
hose and pump.
D Fluid supply container: Follow the local code.
D Object being sprayed: Follow the local code.
D All solvent pails used when flushing: Follow the
local code. Use only metal pails, which are conduc-
tive. Do not place the pail on a non-conductive
surface, such as paper or cardboard, which inter-
rupts the grounding continuity.
To ground the pump: Loosen the grounding lug lock-
nut (W) and washer (X). Insert one end of a 12 ga (1.5
mm@) minimum ground wire (Y) into the slot (Z) of the
grounding lug, and tighten the locknut securely. Con-
nect the clamp end of the ground wire to a true earth
ground. To order a ground wire and clamp, order Part
No. 222011.
Fig. 2
02322
Z
W
X
Y
grounding lug