Graco 256200 Water Pump User Manual


 
Setup
12 312766N
5. Install air line (3/8 in. (76 mm) ID minimum)
with quick disconnect air coupler (56).
6.
Connect a grounded fluid hose (AH) to the
1/2 npt(f) fluid outlet (AL). In a circulating
system, remove the pipe plug (2) and con-
nect a fluid return line to the 3/8 npt(f)
return port (AM).
Grounding
1. Pump: Connect Ground Wire (Y) to ground-
ing screw (24) and tighten the screw
securely. See F
IG
. 9. Connect the other
end of the wire to a true earth ground.
Make certain to comply with all National,
State, and Local Electrical Codes.
2. Air compressor: according to manufac-
turer’s recommendations.
3. Fluid hoses: use only grounded hoses with
a maximum of 300 ft (91 m) combined hose
length to ensure grounding continuity.
4. Dispensing valve: grounding is obtained
through connection to a properly grounded
fluid hose and pump.
5. Object being sprayed: according to local
code.
6. Fluid supply container: according to local
code.
7. All solvent pails used when flushing,
according to local code. Use only metal
pails, which are conductive. Do not place
the pail on a non–conductive 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 spray gun/dispensing
valve firmly to the side of a grounded metal
pail, then trigger the gun/valve.
F
IG
. 8
To reduce the risk of static sparking,
ground the pump and all other equipment
used or located in the pumping area.
Check your local electrical code for detailed
grounding instructions for your area and
type of equipment. Ground all of this
equipment.
TI17174a
2
AH
AL
AM
56
F
IG
. 9
TI17175a
Y
24