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Isocyanate Hazard
12 309856P
Isocyanate Hazard
Keep A and B
Components
Separate
Grounding
Check your local electrical code and proportioner man-
ual for detailed grounding instructions.
Ground the spray gun through connection to a
Graco-approved grounded fluid supply hose.
Piston Safety Lock
Engage piston safety lock whenever you stop spray-
ing, to avoid accidental triggering.
To engage piston safety lock: push knob in and turn
clockwise. When engaged, piston safety lock allows
some purge rod movement but shuts off fluid flow and
gun cannot spray. To disengage piston safety lock:
push knob in and turn counterclockwise until it pops out.
Loss of Air Pressure
In event of loss of air pressure while gun is triggered,
gun will continue to spray. To shut off gun, do one of the
following:
• Push hard or hit end of safety lock, to engage piston
safety lock.
• Close fluid valves A and B.
Spraying materials containing isocyanates creates
potentially harmful mists, vapors, and atomized par-
ticulates.
Read material manufacturer’s warnings and material
MSDS to know specific hazards and precautions
related to isocyanates.
Prevent inhalation of isocyanate mists, vapors, and
atomized particulates by providing sufficient ventila-
tion in the work area. If sufficient ventilation is not
available, a supplied-air respirator is required for
everyone in the work area.
To prevent contact with isocyanates, appropriate per-
sonal protective equipment, including chemically
impermeable gloves, boots, aprons, and goggles, is
also required for everyone in the work area.
CAUTION
To prevent cross-contamination of the gun’s wetted
parts, do not interchange A component (isocyanate)
and B component (resin) parts. The gun is shipped
with the A side on the left. The fluid manifold, fluid
housing, check valve cartridge, and mix module are
marked on the A side.
WARNING
Read warnings, page 10.
WARNING
Read warnings, page 9.
TI3850a
TI3849a
TI4022a
TI3837a