Graco 218413 Music Mixer User Manual


 
8 307400
Operation
Pressure Relief Procedure
WARNING
INJECTION HAZARD
The system pressure must be manually
relieved to prevent the system from
starting or spraying accidentally. Fluid
under high pressure can be injected through the
skin and cause serious injury. To reduce the risk of
an injury from injection, splashing fluid, or moving
parts, follow the Pressure Relief Procedure
whenever you:
D are instructed to relieve the pressure,
D stop spraying,
D check or service any of the system equipment,
D or install or clean the spray tip.
1. Close the mixer fluid valves.
2. Flush the dispensing equipment as described in
the Flushing Procedure on page 6.
3. Shut off the fluid and solvent pumps.
4. Hold a metal part of the spray gun firmly to a
grounded metal pail, and trigger the gun to relieve
pressure.
5. Engage the gun safety latch
6. Open any drain valves, and leave them open until
you are ready to spray again.
7. If fluid has hardened in the hose or mixer, close
the fluid valve, shut off the fluid and solvent
pumps, and slowly loosen the fluid inlet hose(s) to
relieve pressure, then remove the dispensing
hose.
Troubleshooting
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure above.
1. Relieve the pressure before you check or service
any system equipment.
2. Check all possible causes and solutions in the
Troubleshooting Chart before disassembling the
manifold.
Problem
Cause Solution
Little or no resin (A) output
The fluid inlet is plugged. Clean the inlet, remove the
obstruction.
The fluid supply container is empty. Refill the fluid supply.
Little or no hardener (B) output The fluid inlet is plugged. Clean the inlet, remove the
obstruction.
The fluid supply container is empty. Refill the fluid supply.
The mixed fluid will not flush out There is hardened fluid in the mixing
chamber.
Clean the chamber with a compatible
solvent; service it as necessary.
The solvent supply container is
empty.
Refill the solvent supply.
The solvent is not compatible with the
fluid.
Change to a compatible solvent.