Installation - Graco 390 Repair Manual

Airless sprayer
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Installation

Grounding and Electric
Requirements
WARNING
Your system must be grounded. Read warnings, page
3.
The sprayer cord includes: a grounding wire with an
appropriate grounding contact.
The sprayer requires:
110-120V Units: 100-130VAC, 50/60 Hz, 11A, 1 phase,
circuit with a grounding receptacle.
240V Units: 210-255 VAC, 50/60 Hz, 7.5A, 1 phase, cir-
cuit with a grounding receptacle.
Never use an outlet that is not grounded or an
adapter.
6
Do not use the sprayer if the electrical cord has a dam-
aged ground contact. Only use an extension cord with
an undamaged ground contact.
Recommended extension cords for use with this
sprayer:
110-120V: 3-wire, 12 AWG (2.5 mm
ft. (90 m) maximum length.
240V: 3-wire, 16 AWG (1.0 mm
(90 m) maximum length.
Smaller gauge or longer extension cords may
reduce sprayer performance.
Spray gun: ground through connection to a properly
grounded fluid hose and pump.
Fluid supply container: follow local code.
Solvent and Oil-based fluids: follow local code. Use
only conductive metal pails placed on a grounded sur-
face such as concrete. Do not place the pail on a non-
conductive surface such as paper or cardboard, which
interrupts grounding continuity.
Grounding the metal pail: connect a ground wire to the
pail by clamping one end to pail and other end to ground
such as a water pipe.
To maintain grounding continuity when flushing or
relieving pressure: hold metal part of the spray gun
firmly to the side of a grounded metal pail, then trigger
the gun.
Installation
2
) minimum, 300
2
) minimum, 300 ft
310824C

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