For spraying 1:1 mix ratio formulated no-heat polyurethane foams and dispensing 1:1 mix
ratio polyurea joint-fill materials. For professional use only. Not approved for use in
European explosive atmosphere locations.
2000 psi (14 MPa, 138 bar) Maximum Working Pressure
See page 3 for a list of models.
Important Safety Instructions
Read all warnings and instructions in all
supplied manuals. Save all instructions.
*See page 11 for detailed electrical requirements.
Related Manuals
Manuals are available at www.graco.com.
ManualDescription
313123Displacement Pump Repair-Parts
309550
312666
™
Fusion
tion-Parts
™
Fusion
tion-Parts
Air Purge Spray Gun Instruc-
CS Spray Gun Instruc-
★ Approvals:
9902471
Conforms to ANSI/UL
Std. 73 Certified to
CAN/CSA Std.
C22.2 No. 68
ManualDescription
313213
332198Joint Fill Gun Instructions-Parts
NOTE: The pail heaters are shipped with the manual
supplied by their manufacturer.
Probler
tion-Parts
®
P2 Spray Gun Instruc-
3A1602G3
Warnings
Warnings
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When
these symbols appear in the body of this manual, refer back to these Warnings. Product-specific hazard symbols and
warnings not covered in this section may appear throughout the body of this manual where applicable.
WARNING
ELECTRIC SHOCK HAZARD
This equipment must be grounded. Improper grounding, setup, or usage of the system can cause electric
shock.
• Turn off and disconnect power cord before servicing equipment.
• Use only grounded electrical outlets.
• Use only 3-wire extension cords.
• Ensure ground prongs are intact on power and extension cords.
• Do not expose to rain. Store indoors.
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 MSDSs 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 chemically impermeable gloves when spraying, dispensing, or cleaning equipment.
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.
SKIN INJECTION HAZARD
High-pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This may look like just
a cut, but it is a serious injury that can result in amputation. Get immediate surgical treatment.
• Do not spray without tip guard and trigger guard installed.
• Engage trigger lock when not spraying.
• Do not point gun at anyone or at any part of the body.
• Do not put your hand over the spray tip.
• Do not stop or deflect leaks with your hand, body, glove, or rag.
• Follow the Pressure Relief Procedure when you stop spraying and before cleaning, checking, or
servicing equipment.
• Tighten all fluid connections before operating the equipment.
• Check hoses and couplings daily. Replace worn or damaged parts immediately.
43A1602G
Warnings
WARNING
FIRE AND EXPLOSION HAZARD
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.
PRESSURIZED ALUMINUM PARTS HAZARD
Use of fluids that are incompatible with aluminum in pressurized equipment can cause serious chemical
reaction and equipment rupture. Failure to follow this warning can result in death, serious injury, or
property damage.
• Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or
fluids containing such solvents.
• Many other fluids may contain chemicals that can react with aluminum. Contact your material supplier
for compatibility.
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.
• Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all
equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information about
your material, request MSDS from distributor or retailer.
• 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.
3A1602G5
Warnings
WARNING
MOVING PARTS HAZARD
Moving parts can pinch, cut 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 and disconnect all power sources.
BURN HAZARD
Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe
burns:
• Do not touch hot fluid or equipment.
63A1602G
Important Two-Component Material Information
Important Two-Component Material Information
Isocyanate Conditions
Spraying or dispensing materials containing
isocyanates creates potentially harmful mists, vapors,
and atomized particulates.
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
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: NOTE: The amount of film formation and rate of
crystallization varies depending on the blend of ISO, the
humidity, and the temperature.
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 felt washers in the pump wet cups saturated with Graco ISO pump oil, Part No. 217374.
The lubricant creates a barrier between the ISO and
the atmosphere.
Some materials may become self-igniting if applied
too thickly. Read material manufacturer’s warnings
and material MSDS.
Keep Components A and B
Separate
Cross-contamination can result in cured material in
fluid lines which could cause serious injury or
damage equipment. To prevent cross-contamination
of the equipment’s wetted parts, never interchange
component A (isocyanate) and component B (resin)
parts.
•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.
•Always park pumps when you shutdown. See
page 20.
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.
3A1602G7
Overview
Changing Materials
•When changing materials, flush the equipment multiple times to ensure it is thoroughly clean.
•Check with your material manufacturer for chemical
compatibility.
•Most materials use ISO on the A side, but some use
ISO on the B side.
•Epoxies often have amines on the B (hardener)
side. Polyureas often have amines on the B (resin)
side.
Overview
The Reactor E-8p is a portable, electric-powered, 1:1
mix ratio proportioner. It is for use with formulated
no-heat polyurethane foams that may be applied with
impingement mix spray guns and for use with polyurea
joint fill materials that may be applied with static mix
guns.
Severe duty, positive displacement reciprocating piston
pumps meter fluid flow to the gun for mixing and applying. When set to recirculation mode, the Reactor E-8p
will circulate fluids back to the supply pails.
An electronic processor controls the motor, monitors
fluid pressures, and alerts the operator if errors occur.
See STATUS Indicator, page 10, for further information.
The Reactor E-8p has two recirculation speeds: slow
and fast, and an adjustable pressure output.
Slow Recirculation
•Use for pump priming.
Fast Recirculation
•Use for flushing.
•Use for pump priming.
Pressure Adjust
Automatically maintains selected pressure output for
spraying.
83A1602G
Component Identification
BACK VIEW
C
L
J
Component Identification
FRONT VIEW
Q
A
N
F
B
L
D
E
Q
P
M
G
H
TI17121a
FIG. 1: Component Identification
Key:
APump A
BPump B
CFluid Pressure Gauges
DRecirc/Spray and Overpressure Relief Valves
EControl Panel
FElectric Motor and Drive Housings
GHose Bundle
HSpray Gun
JRecirculation Tubes
KAir Line Inlet (quick-disconnect fitting)
LOutlet Hose Connections
MPower Cord
NLift Ring/Handle/Hose Rack
PFluid Inlet Tubes
QDesiccant Dryers
3A1602G9
Controls and Indicators
Controls and Indicators
Motor/Pump Control Function Knob
Status
Codes
+
-
FIG. 2: Controls and Indicators
Power Switch
Powers the Reactor E-8p on and off.
Motor/Pump Control Function Knob
Use knob to select desired function.
IconSettingFunction
Stop/Park
Slow RecircSlow recirculation speed.
Stops motor and automatically parks pumps.
Status Indicator
Power
Switch
-
-
I
TI17123b
STATUS Indicator
Indicates system status, including power and error
codes.
•Indicator steady on: power switch is turned on.
•Indicator blinking: If an error occurs, the status indicator light will blink one to seven times to indicate a
specific status code, pause, and then repeat. The
following table provides a brief description of each
status code. For more detailed information and corrective action, see Status Codes on page 24.
Fast RecircFast recirculation speed.
Use fluid pressure settings
Static Mix
1-5 to dispense polyurea
joint-fill materials through a
static mixer.
Use fluid pressure settings
Spray
6-10 to spray polyurethane
foam.
Table 1: Status Codes
(also located on front of Reactor)
CodeCode Name
1Pressure imbalance between A and B sides
2Unable to maintain pressure setpoint
3Pressure transducer A failure
4Pressure transducer B failure
5Excessive current draw
6High motor temperature
7No cycle counter switch input
NOTE: The default is to shut down if a status code indication occurs. Codes 1 and 2 may be set to disable
automatic shutdown if desired; see page 25. You cannot
set the other codes.
103A1602G
Setup
Setup
Location
•The Reactor E-8p should always be used on a level
surface.
•Do not expose the Reactor E-8p to rain.
Electrical Requirements
Improper wiring may cause electric shock or other
serious injury if work is not performed properly. Have
a qualified electrician perform any electrical work. Be
sure your installation complies with all National, State
and Local safety and fire codes.
•Required power source: single dedicated circuit that
is rated at a minimum of 15A.
NOTE: Cords must be 3-conductor grounded, rated for
your environment.
•Power cord connector (120V):
One NEMA 5-15T
•Power cord connector (240 V):
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.
Reactor E-8p: grounded through power cord.
Generator (if used): follow your local code and manu-
facturer’s recommendations. Start and stop the generator with power cord(s) disconnected.
Spray gun: ground through connection to a properly
grounded fluid hose and grounded Reactor E-8p. Do not
operate without at least one grounded fluid hose.
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.
One IEC 320, with two local adapters
Euro CEE74 Adapter
Australia/China Adapter
•Extension cord requirements:
Required Wire Size
Up to 50 ft (15 m)Up to 100 ft (30 m)
AWG 14AWG 12
3A1602G11
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.
Setup
Lock/Unlock Handle
Lock the handle when the sprayer is moved, laid on its
side, or turned upside down.
Unlock
To unlock the handle, remove lanyard and locking pin
from cart handle. Pull on handle to extend cart handle
and move sprayer.
Install 38 mm Spout Adapter
The sprayer is supplied with a 40 mm spout adapter.
Install 38 mm spout adapters if necessary.
1. Loosen containment knob.
2. Remove suction tube caps and place in containment
tray.
3. For installation instructions, see Spout Adapter,
page 40.
40 mm
Black
38 mm
Silver
ti17513a
FIG. 3
Lock
To lock the handle, press down handle pins and slide
cart handle through tubes. Insert pin through cart handle and lock with lanyard.
ti18063a
FIG. 5: Spout Adapters
Install Desiccant Dryers
1. Use needle nose pliers to remove two plugs (P)
from the dryer (73).
2. Remove plug from adapter housing (57).
3. Screw the dryer into the adapter housing (57) handtight only. Do not overtighten.
57
P
73
P
ti17475a
FIG. 6: Desiccant Dryer Installation
ti17514a
FIG. 4
123A1602G
Setup
Install Optional Recirculation Kit
Use Hose Recirculation Kit 24M654 to help evenly distribute heat when using supplemental heaters and circulate material through the fluid manifold, out to the gun,
and back to the material supply container. See Acces-sories, page 50.
Apply thread sealant to all non-swiveling pipe threads.
NOTICE
To prevent cross-contamination of fluids and equipment parts, never interchange component A (isocyanate) and component B (resin) parts or containers.
1. Relieve pressure. See Pressure Relief Procedure,
page 20.
2. Flush. See page Flushing, page 22.
3. Remove fluid tubes (36).
507
511
515
36
508
515
507
508
33
552
B SideA Side
34
551
218
218
509
510
507
508
33
510
501
36
34
509
33
ti18824a
FIG. 7
4. Place a wrench on the pressure transducer manifold
(33) and remove the adapters (34). Set A and B side
adapters aside.
5. Remove fittings (509) and (510). Remove two swivel
fittings (515) and elbow fittings (511) from tee fitting
(508). Remove tee fittings and gauges (507) from
manifold (501). Set A and B side parts aside. Elbow
fittings (511) are not used with recirculation setup.
6. Install 1/4 npt x -6 JIC adapter fitting (510) in the B
side fluid manifold outlet port. Install 1/4 npt x -5 JIC
fitting (509) in the A side fluid manifold outlet port.
WLD
FIG. 8
7. Install plugs (552).
8. Loosen pump lock nut (218) by hitting firmly with
right-to-left with a non-sparking hammer. Rotate
pump until there is enough space to install pressure
gauges. If the transducer cable is tight, remove bottom cover and cut cable ties. See F
IG. 56, page 32.
9. Install A and B side tee fittings (508) in the pressure
transducer manifolds (33). Install adapter fitting
(551) and adapter fitting (34) in tee fittings (508).
10. Install gauges (507) in tee fittings (508).
NOTE: Ensure that there is enough space to dispense
Graco ISO pump oil in the wet cup through the pump
cover.
11. Tighten locknut (218) by hitting firmly with a
non-sparking hammer.
12. Install fluid tubes (36).
3A1602G13
Setup
Connect Fluid Hoses
Connect fluid supply hoses to outlet hose connections
(F
IG. 9 and FIG. 10). Red hoses for component A (ISO),
blue for component B (RES). Fittings are sized to prevent connection errors. Connect other end of hoses to A
and B inputs of gun.
NOTE: If using the Recirculation Hose Kit 24M654, connect hoses to Recirculation Gun Manifold Kit 249523.
See F
IG. 10.
Connect Gun to Air Hose
(Air Operated Guns Only)
Connect gun air hose to the gun air input and to the air
filter outlet. If you are using more than one hose bundle,
join the air hoses with the nipple provided with the hose
bundle.
Connect Main Air Supply
NOTE: The Reactor E-8p requires 4 scfm
3
(0.112 m
spray guns to work correctly.
Connect the main air supply to the quick disconnect fitting on the unit. The air supply hose must be at least
5/16 in. (8 mm) ID up to 50 ft (15 m) or 3/8 in. (10 mm)
ID up to 100 ft (30 m).
/min) compressed air for the air operated
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 22.
B (RES)
FIG. 9: Hose and Air Connections
Compressed
Air Line
B (RES)
A (ISO)
A (ISO)
Air
ti17122a
143A1602G
A Recirculation
A (ISO)
Setup
B Recirculation
A (ISO)
B (RES)
Compressed
Air Line
B (RES)
Recirculation Gun Manifold Kit 249523
(only compatible with Fusion Air Purge Gun)
601
607
604
602
603
FIG. 10: Hose and Air Connections - Recirculation Hose Kit 24M654
Air
604
605
607
605
2
TI7134A
3A1602G15
Setup
Fill Wet-cups
Keep the felt washers in the pump wet-cups saturated
with Graco ISO pump oil, Part No. 217374. The lubricant
creates a barrier between the ISO and the atmosphere.
The pump rod and connecting rod move during
operation. Moving parts can cause serious injury
such as pinching or amputation. Keep hands and
fingers away from the wet-cup during operation. Shut
off power before filling the wet-cup.
Fill wet-cups through the slots in the plate, or remove a
screw and swing the plate to the side.
Slots
Recirculate Material
The standard system circulates material from the fluid
manifold back to the supply container. To circulate material from the gun back to the material supply container,
purchase and install Hose Recirculation Kit 24M654.
See Install Optional Recirculation Kit on page 13.
1. Insert inlet tubes into pails. See Connect Fluid Inlet Tubes, page 18.
2. Set function knob to Stop/Park.
+
-
TI17127b
FIG. 12
TI17124a
FIG. 11: Fill Wet Cup
Install Pail Heaters
Follow all warnings and instructions from both the
fluid manufacturer technical data sheet and the pail
heater installation manual.
If the material viscosity at room temperature is greater
than 2000 centipoise the pump may not siphon feed
on-ratio. Purchase and install the optional flexible pail
heaters so the material can be warmed, resulting in a
lower viscosity and enabling the pump to properly
siphon feed. See Accessories on page 50.
Install and operate according to the included pail heater
manufacturer’s installation manual.
3. Plug in power cord.
4. Turn on power.
I
O
I
O
TI17134a
FIG. 13
5. Set the Recirc/Spray valves to Recirc.
FIG. 14
TI17133a
163A1602G
Setup
6. Set function knob to Slow Recirc or Fast Recirc
.
+
-
OR
+
-
TI17128b
FIG. 15
7. When material exits both recirculation tubes, set the
function knob to Stop/Park
.
8. Set the Recirc/Spray valves to Spray.
TI17132a
Purge Air and Flush Fluid
1. Insert inlet tubes into pails of solvent.
TI17126a
FIG. 17
2. Insert recirculation tubes into waste containers.
3. Set function knob to Stop/Park
.
FIG. 16
+
-
TI17127b
FIG. 18
4. Plug in power cord.
5. Turn on power.
I
O
I
O
TI17134a
FIG. 19
6. Set the Recirc/Spray valves to Recirc.
TI17133a
FIG. 20
3A1602G17
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