Graco Inc. 236-066 - Manual (Page 4)

4
308–333
Installation
Grounding
WARNING
FIRE AND EXPLOSION HAZARD
Before operating, ground the system as
explained below. Also read the section
FIRE AND EXPLOSION HAZARD on
page 3.
D Pump: loosen the grounding lug locknut (W) and
washer (X). Insert one end of a 1.5 mm
2 (12 ga)
minimum ground wire (Y) into the slot in lug (Z) and
tighten the locknut securely. See Fig. 1. Connect
the other end of the ground wire to a true earth
ground.
D Air hoses: use only electrically conductive air
hoses.
D Fluid hoses: use only electrically conductive fluid
hoses.
D Air compressor: follow manufacturer’s recommen-
dations.
D Spray gun: grounding is obtained through connec-
tion to a properly grounded fluid hose and pump.
D Fluid supply container: according to your local
code.
D
Object being sprayed: according to your local code.
D All solvent pails used when flushing, according to
local code. Use only metal pails, which are conduc-
tive, placed on a grounded surface. Do not place
the pail on a non-conductive surface, such as paper
or cardboard, which interrupts the grounding conti-
nuity.
D To maintain grounding continuity when flushing or
relieving pressure, always hold a metal part of the
spray gun firmly to the side of a grounded metal
pail, then trigger the spray gun.
Fig. 1
W
X
Y
Z
0864