Graco 24M398, Инструкция по эксплуатации

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Grounding
18 3A0590R
Grounding
The equipment must be grounded to reduce the risk
of static sparking. Static sparking can cause fumes to
ignite or explode. Grounding provides an escape wire
for the electric current. See your sprayer manual for
additional warning information.
•
Pump:
use ground wire and clamp as instructed in
your sprayer manual.
•
Air and fluid hoses:
use only electrically
conductive hoses. with a maximum of 500 ft. (150
m) combined hose length to ensure grounding
continuity. Check electrical resistance of hoses. If
total resistance to ground exceeds 29 megohms,
replace hose immediately.
•
Mix Manifold and Solvent Flush System:
Use
only a Graco approved grounded solvent hose. Not
all heated hoses are grounded. The mix manifold
primary ground is through the solvent hose. Make
sure that the solvent pump is properly grounded as
instructed in your solvent pump manual. Make sure
there is electrical continuity from the spray tip to the
grounded solvent pump.
•
Air compressor:
follow manufacturer’s
recommendations.
•
Spray gun:
ground through connection to a
properly grounded fluid hose and pump.
•
Fluid supply container:
follow local code.
•
Object being sprayed:
follow local code.
•
Solvent pails used when flushing:
follow local
code. Use only conductive metal pails, placed on a
grounded surface. Do not place the pail on a
non-conductive surface, such as paper or
cardboard, which interrupts grounding continuity.
•
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.
Flush Before Using
Equipment
The equipment was tested with lightweight oil, which is
left in the fluid passages to protect parts. To avoid
contaminating your fluid with oil, flush the equipment
with a compatible solvent before using the equipment.
See
Flushing
, page 16.
Ratio Check
Perform the ratio check procedure after any changes to
the proportioning system. Use Ratio Check Kit 24F375
to check the ratio at the mix manifold. See manual
3A0421 for instructions and parts.
NOTE:
To prevent an inaccurate ratio check when feed
pumps are used in your system, the feed pressure
cannot be more than a maximum of 25% of the
proportioner outlet pressure while dispensing. High feed
pressure can float the proportioner pump check balls,
resulting in an inaccurate ratio check.