Graco President 232090, Instructions-Parts List Manual

Page: 13 / 28

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Installation
Grounding
WARNING
FIRE, EXPLOSION, AND
ELECTRIC SHOCK HAZARD
Before operating the pump, ground the
system as explained below. Also read
the section
FIRE, EXPLOSION, AND
ELECTRIC SHOCK HAZARD on page
4.
1. Pump: use the ground wire and clamp (40, sup-
plied). See Fig. 4. Loosen the grounding lug lock-
nut (W) and washer (X). Insert one end of the
ground wire (40) into the slot in lug (Z) and tighten
the locknut securely. Connect the ground clamp to
a true earth ground.
Fig. 4
W
40
X
Z
0720
2. Air and fluid hoses: use only electrically conductive
hoses.
3. Air compressor: follow manufacturer’s recommen-
dations.
4. Viscon HP Heater: refer to the heater manual,
supplied.
5. Spray gun: ground through connection to a prop-
erly grounded fluid hose and pump.
6. Agitator: use the ground wire and clamp (108,
supplied). See Fig. 5. Loosen the grounding lug
locknut (W) and washer (X). Insert one end of the
ground wire (108) into the slot in lug (Z) and
tighten the locknut securely. Connect the ground
clamp to a true earth ground.
Fig. 5
W
108
X
Z
0720
16
7. Suction hose: attach the hose (16) ground wire to
the ground lug on the agitator. See Fig. 5. If you
are not using an agitator, attach the wire to the
fluid supply container.
8. Fluid supply container: follow your local code.
9. Object being sprayed: follow your local code.
10. 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.
11. 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.