Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent
fire and explosion:
•Use equipment only in well ventilated area.
•Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop
cloths (potential static arc).
•Keep work area free of debris, including solvent, rags and gasoline.
•Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes
are present.
•Ground all equipment in the work area. See Grounding instructions.
•Use only grounded hoses.
•Hold gun firmly to side of grounded pail when triggering into pail.
•If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment
until you identify and correct the problem.
•Keep a working fire extinguisher in the work area.
WARNING
EQUIPMENT MISUSE HAZARD
Misuse can cause death or serious injury.
•Do not operate the unit when fatigued or under the influence of drugs or alcohol.
•Do not exceed the maximum working pressure or temperature rating of the lowest rated system
component. See Technical Data in all equipment manuals.
•Do not leave the work area while equipment is energized or under pressure. Turn off all equipment
and follow the Pressure Relief Procedure when equipment is not in use.
•Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manufacturer’s replacement parts only.
•Do not alter or modify equipment.
•Use equipment only for its intended purpose. Call your distributor for information.
•Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.
•Do not kink or over bend hoses or use hoses to pull equipment.
•Keep children and animals away from work area.
•Comply with all applicable safety regulations.
TOXIC FLUID OR FUMES HAZARD
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or
swallowed.
•Read MSDS’s to know the specific hazards of the fluids you are using.
•Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.
•Always wear impervious gloves when spraying or cleaning equipment.
•If this equipment is used with isocyanate material, see additional information on isocyanates in Isocyanate Conditions Section of this manual.
43A0235G
Warnings
WARNING
MOVING PARTS HAZARD
Moving parts can pinch or amputate fingers and other body parts.
•Keep clear of moving parts.
•Do not operate equipment with protective guards or covers removed.
•Pressurized equipment can start without warning. Before checking, moving, or servicing equipment,
follow the Pressure Relief Procedure. Disconnect power or air supply.
PERSONAL PROTECTIVE EQUIPMENT
You must wear appropriate protective equipment when operating, servicing, or when in the operating
area of the equipment to help protect you from serious injury, including eye injury, hearing loss, inhalation of toxic fumes, and burns. This equipment includes but is not limited to:
•Protective eyewear, and hearing protection.
•Respirators, protective clothing, and gloves as recommended by the fluid and solvent manufacturer.
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 ventilation 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 personal protective equipment, including chemically
impermeable gloves, boots, aprons, and goggles, is
also required for everyone in the work area.
Material Self-ignition
To prevent exposing ISO to moisture:
•Always use a sealed container with a desiccant
dryer in the vent, or a nitrogen atmosphere. Never
store ISO in an open container.
•Keep the ISO lube pump reservoir (if installed) filled
with Graco IsoGuard Select
The lubricant creates a barrier between the ISO and
the atmosphere.
•Use moisture-proof hoses specifically designed for
ISO, such as those supplied with your system.
•Never use reclaimed solvents, which may contain
moisture. Always keep solvent containers closed
when not in use.
•Never use solvent on one side if it has been contaminated from the other side.
•Always lubricate threaded parts with ISO pump oil
or grease when reassembling.
®
(ISG), Part 24D086.
Keep Components A and
B Separate
Some materials may become self-igniting if applied
too thickly. Read material manufacturer’s warnings
and material MSDS.
Moisture Sensitivity of
Isocyanates
Isocyanates (ISO) are catalysts used in two component
foam and polyurea coatings. ISO will react with moisture
(such as humidity) to form small, hard, abrasive crystals,
which become suspended in the fluid. Eventually a film
will form on the surface and the ISO will begin to gel,
increasing in viscosity. If used, this partially cured ISO
will reduce performance and the life of all wetted parts.
NOTE: The amount of film formation and rate of
crystallization varies depending on the blend of ISO,
the humidity, and the temperature.
NOTICE
To prevent cross-contamination of the equipment’s
wetted parts, never interchange component A (red)
and component B (blue) parts.
Foam Resins with 245 fa
Blowing Agents
Some foam blowing agents will froth at temperatures
above 90°F (33°C) when not under pressure, especially
if agitated. To reduce frothing, minimize preheating in a
circulation system.
Changing Materials
•When changing materials, flush the equipment multiple times to ensure it is thoroughly clean.
•Always clean the fluid inlet strainers after flushing.
•Check with your material manufacturer for chemical
compatibility.
63A0235G
A and B Components
A and B Components
IMPORTANT!
Material suppliers can vary in how they refer to plural
component materials.
Be aware that when standing in front of the manifold on
proportioner:
•Component A (Red) is on the left side.
•Component B (Blue) is on the right side.
For all machines:
•The A (Red) side is intended for ISO, hardeners,
and catalysts.
•If one of the materials being used is moisture-sensitive, that material should always be in the A (Red)
side.
•The B (blue) side is intended for polyols, resins, and
bases.
•For ratios higher than 1:1, the higher volume is
typically the B (Blue) side.
3A0235G7
Grounding
Grounding
The equipment must be grounded. Grounding reduces
the risk of static and electric shock by providing an
escape wire for the electrical current due to static build
up or in the event of a short circuit.
Pump: follow instructions in separate feed pump manual, supplied.
HFR: see operation manual.
Spray gun: see gun manual.
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 nonconductive 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 or
dispense valve firmly to the side of a grounded metal
pail, then trigger the gun or valve.
Flush Pumps Before
Using
Position Drums
Place component A (red) and component B (blue)
drums as desired. Air hose (C) connecting feed pumps
is 15 ft (4.57 m) long. See F
Fluid hose (103) connecting feed pumps to systems are
10 ft (3.05 m) long.
IG. 1.
Installation
Feed Pump
1. Complete Setup instructions in pump manual
before installing in drum or pail.
a. For Riser Tube Kit 246419: Inspect bung o-ring
(309) and gasket (303) in place. If either is worn
or damaged, or if material shows signs of crystallization, replace. See page 22.
b. If required, install desiccant dryer (Graco part
no. 247616 not included). Remove elbow and 2
in. bushing supplied with desiccant dryer (6).
Screw dryer 3/4 npt fitting into vent of moisture
sensitive drum.
NOTICE
Lubricate bung o-ring with 217374 ISO Pump Oil
each time you change drums. This keeps air and
moisture from reacting with material and allows bung
adapter to rotate freely.
NOTICE
Tighten pump clamps and external fasteners before
first use. See pump manual.
Flush equipment only in a well-ventilated area. Do not
spray flammable fluids. Do not turn on heaters while
flushing with flammable solvents.
83A0235G
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