Graco Dura-Flo 900, Instructions-Parts List Manual

Page: 7 / 52

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Installation
(ALL PUMPS)
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
Product Data Sheet, Form No. 305715 (Senator
Pumps), Form No. 305716 (Bulldog Pumps), Form No.
305717 (King Pumps), and Form No. 305718 (Viscount
Pumps). If you supply your own accessories, be sure
they are adequately sized and pressure rated for your
system.
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 6.
1. Pump: use a ground wire and clamp. 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 (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.
Fig. 1
W
X
Y
Z
2.
Air, hydraulic, and fluid hoses: use only electrically
conductive hoses.
3. Air compressor or hydraulic power supply: follow
manufacturer’s recommendations.
4.
Spray gun: ground through connection to a prop-
erly grounded fluid hose and pump.
5. Fluid supply container: follow your local code.
6. Object being sprayed: follow your local code.
7. 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.
8.
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.