5
307160
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.
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.
D
Pump:
Use a ground wire and clamp as shown in
Fig. 1. Loosen the grounding lug locknut (W) and
washer (X). Insert one end of a 12 ga (1.5 mm
@
)
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 num-
ber 237569 Grounding Clamp and Wire.
D
Fluid and hydraulic hoses:
Use only grounded
hoses with a maximum of 500 ft (150 m) combined
hose length to ensure grounding continuity.
D
Hydraulic Power Supply:
Follow the manufacturer’s
recommendations.
D
Spray gun:
Ground through connection to a prop-
erly grounded fluid hose and sprayer.
D
Object being sprayed:
Follow the local code.
D
Fluid supply container:
Follow the local code.
D
Solvent pails used when flushing:
Follow the 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.
D
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.
Fig. 1
Y
W
Z
X
06431
