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5307932
Installation
General Information
NOTE: Reference numbers and letters in parentheses
in the text refer to the callouts in the figures and the
parts drawing.
NOTE: Always use Genuine Graco Parts and Acces-
sories, available from your Graco distributor. Refer to
the Product Data Sheet for your pump, Form No.
305791. If you supply your own accessories, be sure
they are adequately sized and pressure rated for your
system.
NOTE: Fig. 2 is only a guide for selecting and installing
system components and accessories. Contact your
Graco distributor for assistance in designing a system
to suit your particular needs.
Grounding
WARNING
FIRE AND EXPLOSION HAZARD
Before operating the pump, ground the
system as explained below. Also read
the section FIRE OR EXPLOSION HAZ-
ARD on page 4.
1. Pump: use a ground wire and clamp (supplied).
See Fig. 1. Loosen the grounding lug locknut (W)
and washer (X). Insert one end of a 1.5 mm@ (12
ga) minimum ground wire (45) into the slot in lug
(Z) and tighten the locknut securely. Connect the
other end of the wire to a true earth ground.
Fig. 1
W
X
45
Z
0864
2. Air and fluid hoses: use only electrically conductive
hoses.
3. Heaters, if used: refer to Viscon HP Heater manu-
al, 309524.
4. Air compressor: follow manufacturer’s recommen-
dations.
5. Spray gun: ground through connection to a prop-
erly grounded fluid hose and pump.
6. Fluid supply container: follow your local code.
7. Object being sprayed: follow your local code.
8. Solvent pails used when flushing: follow 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 continu-
ity.
9. To maintain grounding continuity when flushing or
relieving pressure, hold a metal part of the spray
gun firmly to the side of a grounded metal pail,
then trigger the gun.