6
307982
Installation
General Information
NOTE:
Reference numbers and letters in parentheses
in the text refer to the callouts in the Installation and
Parts drawings.
NOTE:
Always use Genuine Graco Parts and Acces-
sories, available from your Graco distributor.
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 4.
1.
King Pumps:
Use a ground wire and clamp as
shown in 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 the wire to a true earth ground. Order Part No.
222011 Ground Wire and Clamp.
Bulldog Pumps:
Use a ground wire and clamp as
shown in Fig. 2. Loosen the grounding lug locknut
(W) and washer (X). Insert one end of a 12 ga (1.5
mm
2
) 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 and fluid hoses:
Use only electrically conduc-
tive hoses with a maximum of 500 ft (150 m)
combined hose length to ensure grounding conti-
nuity,
3.
Air compressor:
Follow the manufacturer’s recom-
mendations.
4.
Spray gun/dispensing valve:
Grounding is obtained
through connection to a properly grounded fluid
hose and pump.
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
gun/valve firmly to the side of a grounded metal
pail, then trigger the gun/valve.
Fig. 1
TI1052
Y
Z
Fig. 2
Y
W
X
Z
