Low emission internal/external mix gel coat and chop proportioners. For use with resin
and catalyst in hazardous and non-hazardous locations.
For professional use only.
Important Safety Instructions
Read all warnings and instructions in this manual and
all component manuals. Save all instructions.
See page 4 for model and agency approvals information. See page 83 for maximum working pressure and other
specifications. For patent information, see www.graco.com/patents.
EN
WARNING
FIRE AND EXPLOSION HAZARD
Oil left in the system at the factory can react with catalyst and create a fire or explosion.
•Flush before first use.
•Do not add catalyst to the catalyst reservoir until the system has been flushed.
407025DataTrak
407026Wall or Pole Mount Kit
407027Linkage Replacement Kit
407028Resin Pump Connecting Kit
407031Diaphragm Pump Solvent Flush Kit
Non-CE Approved Solvent Pressure Pot
407032
407033
407042Heater Kits
Kits
ASME and CE-Approved Pressure Pot
Kits
™
Upgrade Kit
FRP proportioner systems are approved for use in
hazardous locations when the base model, all accessories, and all kits meet all wiring meet local, state,
and national codes.
Base FRP System with no accessories*
Accessories
*Solvent pots do not affect Atex rating.
II 2 Gc T5
See accessory manuals listed in Related Manuals section for approvals.
3A2012J3
Models
Models
Internal or
Ratio
Internal Mix
13:1
Internal Mix
17:1
External
Mix
External
Mix
External
Mix
Gel or
Chop
Gel
Chop
Gel
Chop
Gel
Gel
No CartCartCart, Mast, and Boom
Hose
Length
Part No.
16R06525 (7.6)16R00225 (7.6)16R05325 (7.6)
16R06835 (10.7)16R04435 (10.7)16R05635 (10.7)
16R07150 (15.2)16R04750 (15.2)16R05950 (15.2)
16R074---16R050---16R062---
16R13525 (7.6)16R12325 (7.6)16R00425 (7.6)
16R13835 (10.7)16R11435 (10.7)16R12635 (10.7)
16R14150 (15.2)16R11750 (15.2)16R12950 (15.2)
16R144---16R120---16R132---
16R03025 (7.6)16R00125 (7.6)16R01825 (7.6)
16R03335 (10.7)16R00935 (10.7)16R02135 (10.7)
16R03650 (15.2)16R01250 (15.2)16R02450 (15.2)
16R039---16R015---16R027---
16R10025 (7.6)16R08825 (7.6)16R00325 (7.6)
16R10335 (10.7)16R07935 (10.7)16R09135 (10.7)
16R10650 (15.2)16R08250 (15.2)16R09450 (15.2)
16R109---16R085---16R097---
16R20525 (7.6)16R00625 (7.6)16R19325 (7.6)
16R20835 (10.7)16R18435 (10.7)16R19635 (10.7)
16R21150 (15.2)16R18750 (15.2)16R19950 (15.2)
16R214---16R190---16R202---
16R17025 (7.6)16R00525 (7.6)16R15825 (7.6)
16R17335 (10.7)16R14935 (10.7)16R16135 (10.7)
16R17650 (15.2)16R15250 (15.2)16R16450 (15.2)
16R179---16R155---16R167---
ft (m)Part No.
Hose
Length
ft (m)Part No.
Hose
Length
ft (m)
43A2012J
Accessories
To avoid fire and explosion and electric shock, FRP
proportioners are not approved for use in hazardous
locations unless all accessories, all kits, and all wiring
meet local, state, and national codes. See Agency Approvals on page 3.
Accessories
The following items can be purchased separately from
the system to gain additional functions. Many of the
items require user installation; refer to the System Assembly section beginning on page 18 for the
required procedures.
Solvent Flush Diaphragm Pumps
PartDescription
16M5602 Gallon Solvent Flush Diaphragm Pump
16M5615 Gallon Solvent Flush Diaphragm Pump
Solvent Flush Pressure Pots
PartDescription
16M874
16M875
16M8932 Gallon, ASME Solvent Flush Pressure Pot
16M8945 Gallon, ASME Solvent Flush Pressure Pot
Heaters
PartDescription
16N014★
16N015★
16N016
16N017
16N018
16N019
★
2 Gallon, ASME and CE-approved, Solvent
Flush Pressure Pot
5 Gallon, ASME and CE-approved, Solvent
Flush Pressure Pot
120V Viscon Heater, for hazardous locations
240V Viscon Heater, for hazardous locations
120V Viscon Heater, for hazardous locations and explosive atmospheres
240V Viscon Heater, for hazardous locations and explosive atmospheres
120V Viscon Heater, for non-hazardous
locations
240V Viscon Heater, for non-hazardous
locations
Heaters can be disassembled to remove
cured material.
Extension Hoses
PartDescription
16M712
16M718
16M719
55 Gallon Barrel Carts
PartDescription
16M89655 Gallon Barrel Cart
Roving Box Bracket
PartDescription
16M961Roving Box Bracket Kit
DataTrak Upgrade
PartDescription
16M881DataTrak Upgrade Kit
5 Gallon Catalyst Reservoir
PartDescription
24M5015 Gallon Catalyst Reservoir Kit
Wall Mounting
PartDescription
16N918FRP Pole or Wall Mount Kit
Pump Connecting Kits
PartDescription
16N24217:1 Pump Connecting Kit
16N24313:1 Pump Connecting Kit
25 ft Extension Hose Bundle for Chop Systems
25 ft Extension Hose Bundle for Internal Gel
Systems
25 ft Extension Hose Bundle for External
Gel Systems
3A2012J5
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
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.
SKIN INJECTION HAZARD
High-pressure fluid from dispensing device, 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.
• Engage trigger lock when not dispensing.
• Do not point dispensing device at anyone or at any part of the body.
• Do not put your hand over the fluid outlet.
• Do not stop or deflect leaks with your hand, body, glove, or rag.
• Follow the Pressure Relief Procedure when you stop dispensing 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.
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 at main switch before disconnecting any cables and before servicing
equipment.
• Connect only to grounded power source.
• All electrical wiring must be done by a qualified electrician and comply with all local codes and
regulations.
63A2012J
Warnings
WARNING
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.
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.
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.
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. Alterations or modifications may void agency approvals and create
safety hazards.
• 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.
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.
3A2012J7
Important Methyl Ethyl Ketone Peroxide (MEKP) Safety Information
Important Methyl Ethyl Ketone Peroxide (MEKP)
Safety Information
MEKP is among the more hazardous materials found in commercial channels. Proper handling of the “unstable
(reactive)” chemicals presents a serious challenge to the plastics industry. The highly reactive property which makes
MEKP valuable to the plastics industry in producing the curing reaction of polyester resins and gel-coats also produces the hazards which require great care and caution in its storage, transportation, handling, processing and disposal.
Workers must be thoroughly informed of the hazards that may result from improper handling of MEKP, especially in
regard to contamination and heat. They must be thoroughly instructed regarding the proper storage, use and disposal of MEKP and other hazardous materials used in the laminating operation.
MEKP is flammable and potentially explosive, as well as potentially damaging to the eyes and skin.
Read material manufacturer’s warnings and material MSDS to know specific hazards and precautions related
to MEKP.
Contaminated MEKP can become explosive. Prevent contamination of MEKP with other materials, including
but not limited to polyester overspray, polymerization accelerators and promoters, and non-stainless metals.
Even small amounts of contaminates can make MEKP explosive. This reaction may start slowly, and gradually
build-up heat, which can accelerate until fire or an explosion result. This process can take from seconds to
days.
Heat applied to MEKP, or heat build-up from contamination reactions can cause it to reach what is called its
Self-Accelerating Decomposition Temperature (SADT), which can cause fire or explosion. Spills should be
promptly removed, so no residues remain. Spillage can heat up to the point of self-ignition. Dispose in accordance with manufacture’s recommendation.
Store MEKP in a cool, dry and well-ventilated area in the original containers away from direct sunlight and
away from other chemicals. It is strongly recommended that the storage temperature remain below 86° F
(30° C). Heat will increase the potential for explosive decomposition. Refer to NFPA 432. Keep MEKP away
from heat, sparks and open flames.
Current catalysts are premixed and do not require any diluents. Graco strongly recommends that diluents not
be used. Diluents add to the possibility of contaminates entering the catalyst system. Never dilute MEKP with
acetone or any solvent since this can produce an extremely shock-sensitive compound which can explode.
Use only original equipment or equivalent parts from Graco in the catalyst system (i.e.: hoses, fittings, etc.)
because a hazardous chemical reaction may result between substituted parts and MEKP.
To prevent contact with MEKP, appropriate personal protective equipment, including chemically impermeable
gloves, boots, aprons and goggles are required for everyone in the work area.
83A2012J
Important Two-Component Material Information
Polyester Resins and Gel-CoatsSpraying and Lamination Operations
Spraying materials containing polyester resin and
gel-coats creates potentially harmful mist, vapors and
atomized particulates. Prevent inhalation by providing
sufficient ventilation and the use of respirators in the
work area.
Read the material manufacturer’s warnings and material MSDSs to know specific hazards and precautions
related to polyester resins and gel-coats.
To prevent contact with polyester resins and gel-coats,
appropriate personal protective equipment, including
chemically impermeable gloves, boots, aprons and
goggles are required for everyone in the work area.
Remove all accumulations of overspray, FRP sandings, etc. from the building as they occur. If this waste
is allowed to build up, spillage of catalyst is more likely
to start a fire.
If cleaning solvents are required, read material manufacture’s warnings and material MSDS to know specific hazards and precautions. (Graco recommends
that clean-up solvents be nonflammable.)
Graco recommends that you consult OSHA Sections
1910.94, 1910.106, 1910.107 and NFPA No. 33, and
NFPA No. 91 for further guidance.
Important Two-Component Material Information
Material Self-ignition
Changing Materials
•When changing materials, flush the equipment multiple times to ensure it is thoroughly clean.
Some materials may become self-igniting if applied
too thickly. Read material manufacturer’s warnings
and material MSDS.
Keep Resin and Catalyst
Components 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
catalyst (usually MEKP) and resin (usually polyester
resin or gel-coat) parts.
•Always clean the fluid inlet strainers after flushing.
•Check with your material manufacturer for chemical
compatibility.
3A2012J9
Overview
Overview
The FRP proportioner dispenses pigmented, tooling,
low-VOC, and specialty gel coats, as well as polyester
resin and vinyl ester chemicals. The FRP proportioner
supplies the individual catalyst and resin materials, and
fiberglass roving to the gun. On internal mix systems, it
also supplies solvent to the gun for clearing mixed material from the gun.
Typical Applications
•Marine and watercraft
•Pool and spa
•Bath ware
•Transportation
•Corrosion prevention
•Cultured marble
FRP proportioner systems are approved for use in
hazardous locations when the base model, all accessories, and all kits meet all wiring meet local, state,
and national codes.
103A2012J
Component Identification
Component Identification
F
D
N
L
B
A
C
E
Cart system shown with solvent
flush diaphragm pump and external mix gel gun
Pressure relief/recirculation fluid outlet (P1): place
container below fluid outlet or connect fluid hose and
route back to the resin container, or install container
below the outlet
Pressurized fluid outlet on filter (R): connect fluid
hose to the 1/4 npt(f) fluid outlet reducer fitting supplied
with Graco hoses.
R
Component Identification
M
ti18499c
Fluid inlet (S): connect fluid suction hose to the
3/4 npt(m) fluid inlet.
DataTrak (T) (optional): electronic monitoring for material tracking, system diagnostics, and pump runaway
control. The DataTrak is located on the air control panel.
See the NXT Air Motor manual for details of the DataTrak controls and indicators.
P
P1
N
FIG. 2
S
3A2012J13
Component Identification
Catalyst Pump
The catalyst pump supplies catalyst to the spray gun.
Pump arm (U): controls catalyst flow.
Ratio adjustment knob (V1): use to lock/unlock pump
position and adjust the resin to catalyst ratio. It is easiest
to adjust the ratio when the pump is at the bottom of the
stroke.
V1
U
W
Pivot point (V2): when pump is moved to adjust ratio,
this point stays stationary.
High pressure relief valve (W): directs catalyst to gun
or back to tank to relieve pressure. It also automatically
relieves pressure if it exceeds normal working pressure.
Low pressure relief valve (Z3): External mix systems
only. Directs catalyst to gun or back to tank to relieve
pressure.
Z2
Z
Z3
Y
Y2
U
Z2
ti21340a
Z1
X
V2
Z
Z3
ti21342a
F
IG
. 3: Catalyst Pump Components
143A2012J
Solvent Flush Systems
Component Identification
Solvent Flush Diaphragm Pump
The solvent flush diaphragm pump provides solvent to
the gun to clear out mixed fluid and prevent it from curing in the gun. See the diaphragm pump manual listed
on page 3 for detailed component identification.
3/4 npt(f) Fluid
1/4 npt(f)
Outlet
Air Inlet
3/4 npt(f)
Fluid Outlet
3/4 npt(f) Fluid Outlet
ti9078a1
F
IG
. 4: Solvent Pump Components
Solvent Flush ASME Pressure Pot
Solvent Flush ASME and CE-Approved Pressure Pot
The pressure pot works by using the incoming air pressure to expel the solvent in the pot out of the fluid outlet.
See the ASME and CE-approved Pressure Pot manual
listed on page 3 for detailed component identification.
Air InletFill CapFluid Outlet
ti18531a
The pressure pot works by using the incoming air pressure to expel the solvent in the pot out of the fluid outlet.
Verify supply tube is installed on fluid outlet port.
Air InletFill CapFluid Outlet
ti18530a
3A2012J15
Setup
Setup
To avoid fire and explosion and electric shock, FRP
proportioners are not approved for use in hazardous
locations unless all accessories, all kits, and all wiring
meet local, state, and national codes. See Agency Approvals on page 3.
FRP proportioners are not approved for use in hazardous locations unless all accessories, all kits, and all wiring meet local, state, and national codes. See Agency Approvals on page 3.
This section provides instructions for basic system setup
of the FRP proportioner. See the separate component
manuals for detailed information.
Before Installation
•Have all system and component documentation
available during installation.
•If using a cart and boom system, ensure there is
enough space overhead and surrounding the proportioner for the boom and mast to fully extend.
•Place on a flat and level surface.
System Mounting (Wall Mount
Systems Only)
To reduce the risk of skin injection injury, make sure
the system is depressurized before mounting any
pump assembly. See the Pressure Relief Procedure
and Shutdown on page 24.
For ease of operation and service, make sure the pump
air inlet, fluid inlet, and fluid outlet ports are easily
accessible. Mount the catalyst reservoir above the catalyst pump to enable gravity feed. Be sure the bracket is
level.
•See component manuals for specific data on compo-
nent requirements. Data presented here applies to
the FRP assemblies only.
•Be sure all accessories are adequately sized and
pressure-rated to meet system requirements. Accessories are available from Graco.
Component identification illustrations are only a guide
for selecting and installing system components and
accessories. Contact your Graco distributor for assistance in designing a system to suit your particular
needs.
Location Requirements
Refer to Dimensions, page 81, for mounting and clearance dimensions.
Cart Mount Systems
•Position the FRP proportioner so the air controls
and catalyst ratio adjustment arm are easily accessible.
ti18527d
NOTICE
To prevent damage to the system caused by the system falling off the wall, be sure the wall can support
the weight of the pump, bracket, hoses and accessories, and stress caused during pump operation.
1. For systems using pole mount:
a. Insert pole clamp bolts through catalyst reser-
voir mounting plate then each of the two upper
pole clamps, then install and tighten nuts to
secure mounting plate and clamps in place.
163A2012J
NOTE: Catalyst reservoir outlet must be above the catalyst pump inlet fitting for true gravity feeding.
b. Insert pole clamp bolts through pumpline
mounting plate then each of the two lower pole
clamps, then install and tighten nuts to secure
mounting plate and clamps in place.
c. Use four bolts and washers to secure catalyst
reservoir to catalyst reservoir mounting plate.
d. Use four bolts and washers to secure pumpline
to pumpline mounting bracket.
2. For systems bolting directly to wall (not using a
pole):
a. Use four bolts, washers, and nuts to install cata-
lyst reservoir mounting bracket to wall.
Setup
b. Use four bolts, washers, and nuts to install cata-
lyst reservoir onto the catalyst reservoir mounting bracket.
c. Use four bolts, washers, and nuts to secure
pumpline mounting bracket to wall.
d. Use four bolts, washers, and nuts to secure
pumpline to pumpline mounting bracket.
3A2012J17
Setup
System Assembly
When the system is shipped from the factory some
items may be shipped loose. Perform the following
instructions to properly install each of the component
items.
1. For cart and boom systems only, install legs:
a. With the system still on the pallet, use the sup-
plied hardware to install the legs onto the base
as shown below. The two longer legs should be
installed on the air control panel side of the
machine. The two non-locking casters should
be installed on the two longer legs.
2. Connect heater (if ordered):
•Improperly installed or connected equipment may
create a hazardous condition that can cause fire,
explosion, or electric shock.
•Refer to heater manual listed on page 3 for
detailed instructions and warnings.
•You must have a qualified electrician connect
heater wiring. Ensure wiring and installation comply with local electrical codes for hazardous areas.
•Wiring, wiring connections, switches, and electrical
distribution panel must all meet flame-proof (explosion-proof) requirements.
a. Use supplied hardware to install heater onto
pole as shown below. Position the heater to
ease hose routing between pump and heater.
See Heater Kits manual for bolt hole patterns.
ti18523c
b. Use a forklift to raise the system off of the pallet,
remove the pallet, then place item directly on
the floor.
Viscon Heater Shown
ti18529b
b. Connect heater electrical connections. See
heater manual listed on page 3 for detailed
instructions.
183A2012J
Setup
3. Install solvent flush diaphragm pump or pressure
pot (if ordered).
a. Use the supplied hardware to install the dia-
phragm pump or pressure pot onto the base of
the cart in the mounting holes provided.
6. Use the supplied hardware to install the roving box
bracket onto the pole. Install the top pole clamp
above the lower arm of the boom as shown below (if
ordered). If there is a second roving box, use long
hex screws as shown below to secure mounting
plate of second roving box to the mounting plate of
the first roving box.
ti18525b
Solvent Flush Diaphragm Pump shown
ti18455c
b. Use supplied hardware to install solvent supply
tank onto the base of the cart.
4. Install DataTrak Upgrade Kit (if ordered). Follow the
detailed instructions in DataTrak manual listed on
page 3.
5. Assemble the boom as shown below then slide the
boom onto the system pole (if ordered).
Spring
Chain
Roving Guides
Deflector Plates
ti18532b
3A2012J19
Setup
Grounding
The equipment must be grounded to reduce the risk of
static sparking and electric shock. Electric or static
sparking can cause fumes to ignite or explode.
Improper grounding can cause electric shock.
Grounding provides an escape wire for the electric
current
General Grounding Guidelines
Pump: use ground wire and clamp (supplied). Connect
ground clamp to a true earth ground.
Air and fluid hoses: use only electrically conductive
hoses.
Spray gun: ground through connection to a properly
grounded fluid hose and pump.
Fluid supply container: follow local code.
FRP Proportioner Grounding
NOTE: All proportioners come with one grounding
clamp to ground the proportioner to a true earth ground.
All accessories for internal mix systems come with a
second grounding clamp to ground the solvent flush
system to the cart.
1. Verify that the ground screw is attached and tightened securely to the air motor. Connect the other
end of the ground wire to a true earth ground.
Ground
screw
Grounding
wire
ti18454a
FIG. 5: Ground Wire
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.
2. For internal mix systems only, ground the solvent
flush system.
a. For solvent flush diaphragm pumps only, con-
nect one end of the second grounding clamp to
the solvent pump grounding strip. See the diaphragm pump manual listed on page 3 for
grounding details.
b. Connect the other end of the grounding clamp
to the cart.
3. Use an ohmmeter to verify all components are
grounded to the earth ground.
4. If wall power is used to power the heater, ground
electrical connection according to local codes.
5. For cart proportioners: Connect the other end of the
second supplied grounding clamp to the cart.
For wall proportioners: Connect the other end of the
second supplied grounding clamp to a true earth
ground.
203A2012J
Setup
Connect Fluid and Air Lines
Oil left in the system at the factory can react with catalyst and create a fire or explosion.
•Flush before first use.
•Do not add catalyst to the catalyst reservoir until
the system has been flushed.
NOTE: When connecting gun hose bundle, the whip
end connections in the bundle should be connected to
the gun and the non-whip end connections should be
connected to the proportioner. The whip end of the bundle is the end with more flexible lines. See gun manual
for hose bundle connection details and individual hose
identification.
Resin (Whip
Hose)
Air (Chop/
Internal Gel
AAC)
F
IG
. 6: Hose End Diagram
Solvent/ AAC Air
Catalyst
External Atomizing/
Internal Chop AAC Air
Air Connections
1. Verify air line from air outlet 1 (AC) on air control
panel is connected to air inlet (M) on air motor. See
F
IG
. 2 on page 13 and FIG. 7.
2. Connect AAC air line from gun hose bundle to air
outlet 3 (AM) on air control panel. See gun manual
for AAC air line identification.
3. External mix proportioners only: Connect the sup-
plied air tubing attached to air outlet 2 (AF) to atomized air line on gun.
Internal mix proportioners only: Connect the supplied air tubing attached to air outlet 2 (AF) to solvent pump air inlet. See F
IG
. 4 on page 15.
4. Chop systems only: Remove plug then connect the
chop air line (0.375 in. tube) in the gun hose bundle
to the chop air fitting (AN) on the air control panel.
5. Verify air shutoff valve (AP) is closed (handle is vertical) then connect the air supply line to the air
inlet (AA) on the air control panel.
AH
FRONTREAR
AC
AK
AE
AD
ti21338ati21339a
AP
AN
ABAG
FIG. 7: Air Control Panel Components
Air Outlet Fitting
Details
Air Outlet 2 (AF)3/8 tube1/4 tube3/8 tube1/4 tube
Air Outlet 3 (AM)1/4 tube1/8 npt3/8 tube1/8 npt
Air Outlet 4 (AN)
★
Internal ChopExternal ChopInternal GelExternal Gel
1/2 tube1/2 tubePluggedPlugged
AM
AF
AA
★ Includes a 1/2 to 3/8 reducer to adapt to older chop hose bundles.
3A2012J21
Setup
Resin Pump and Optional Heater Connections
R
ti18499c
P
P1
Catalyst Pump Fluid Connections
NOTE: See F
IG
. 3 on page 14.
11. Verify the pressure relief/recirculation valve (W) is
set to pressure relief (knob is horizontal).
M
W
ti21343a
FIG. 9: Catalyst Pump Pressure Relief Valve
12. Connect the catalyst line from the gun hose bundle
to the catalyst outlet (Z1).
S
N
F
IG
. 8
6. Verify the pressure relief/recirculation valve (P) is
set to pressure relief.
7. Place a waste container below the fluid outlet then
remove the pump fluid inlet cap. Drain the test oil
then discard.
8. Connect resin suction hose to the resin pump
3/4 nptm fluid inlet (S). Place other end of suction
hose in resin container.
9. For non-heated systems only: Connect resin hose
from the gun hose bundle to the resin pump 1/4 nptf
fluid outlet (R). Reducer fitting comes with Graco
hose bundle.
For heated systems only: attach resin hose from the
gun hose bundle to the heater outlet. Verify fluid
hose connecting resin pump outlet to heater inlet is
installed and secure.
10. Connect resin recirculation hose to the pressure
relief/recirculation line (P1) and route to the resin
container.
223A2012J
Solvent Flush Connections (if applicable)
NOTE: See Solvent Flush Systems component identi-
fication on page 15 for connection locations.
13. Connect solvent air line from air control panel to diaphragm pump or pressure pot air inlet.
14. Connect solvent suction tube from solvent supply
tank to solvent pump fluid inlet.
15. Connect solvent line from gun hose bundle to solvent fluid outlet.
Gun Connections
16. For 25 ft and 35 ft hose bundles only: Place the coil
of resin hose in the hose bundle on the hook support located on the pole. Secure with the supplied
rubber straps. The hook support should be inserted
through the center of the hose coil.
17. Secure all connections on the whip-end of the hose
bundle to the gun. See the gun manual listed on
page 3 for detailed instructions.
Setup
Flush Before First Use
Oil left in the system at the factory can react with catalyst and create a fire or explosion.
•Flush before first use.
•Do not add catalyst to the catalyst reservoir until
the system has been flushed.
Flush the system before first use to prevent contaminating the resin or catalyst. See page 30.
Fill Supply Tanks
Add fluid to the solvent flush supply tank (if applicable),
the catalyst supply reservoir, and the resin supply container.
3A2012J23
Operation
Operation
Trigger Lock
Always engage the trigger lock when you stop spraying
to prevent the gun from being triggered accidentally by
hand or if dropped or bumped.
Boom Operation
ti18532b
The height of the boom can be adjusted by adjusting
which link in the chain is secured to the boom arm.
Pressure Relief Procedure and
Shutdown
The equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury from
pressurized fluid such as skin injection, splashing fluid
and moving parts, follow the Pressure Relief Procedure when you stop spraying and before cleaning,
checking or servicing the equipment.
1. Close the main air supply ball valve.
NOTICE
Stop the pump at the bottom of its stroke to prevent
fluid from drying on the exposed displacement rod
and damaging the throat u-cup seals.
2. Turn the main air supply pressure regulator fully
counter-clockwise.
F
IG
. 10
3. Disengage the trigger lock on the gun. See F
4. With a grounded bucket below the gun, press the
gun against the side of the bucket and pull the trigger to relieve pressure in the fluid lines.
IG
. 11
F
243A2012J
IG
. 11.
Operation
5. Engage trigger lock.
F
IG
. 12
6. Turn catalyst pump pressure relief/recirculation
valve to the pressure relief position.
8. After the pressure is fully relieved, turn the pressure
relief/recirculation valve to dispense position.
FIG. 15
9. If you suspect the spray tip, hose, or filter is completely clogged or that pressure has not been fully
relieved after following the previous steps, very
slowly loosen the hose end coupling and relieve
pressure gradually; then loosen completely.
IG
. 13
F
7. Verify that the resin pressure relief/recirculation fluid
line is routed to a grounded container, then turn the
pressure relief/recirculation valve to the pressure
relief position.
IG
. 14
F
10. See the gun manual listed on page 3 for shutdown
and maintenance procedures.
11. Perform the scheduled maintenance items listed on
page 38.
3A2012J25
Operation
Startup
NOTE: Do not exceed 20 psi (0.14 MPa, 1.4 bar) on the
material air pressure regulator until a steady material
flow has been established.
To avoid overpressurization, before turning on the
main air supply ensure all regulators are adjusted fully
counter-clockwise so they are set to zero pressure.
1. Verify wetcup is filled with Graco Throat Seal
™
Liquid (TSL
2. Ensure main air line is connected to the air control
panel air inlet (AA).
3. For internal mix proportioners only, check solvent
line:
a. Verify gun is ready to begin operation. See gun
manual.
).
5. As desired, perform Prime, Flush, or Spray proce-
dures beginning on page 27. Make sure to flush the
system before first use to flush out oil used to test
the equipment at the factory.
b. Turn shutoff valve (AP) on the air control panel
to the open position.
c. Open the air valve on the solvent pump and
adjust the solvent pressure to 90 psi (0.63 MPa,
6.3 bar).
d. Open the ball valve on the solvent pump.
e. Open solvent knob on the gun to verify that sol-
vent will flow out of the front of the gun through
the dispense tip, then close the valve.
Oil left in the system at the factory can react with catalyst and create a fire or explosion.
•Flush before first use.
•Do not add catalyst to the catalyst reservoir until
the system has been flushed.
4. If this is the first startup of the machine, perform the
Flush procedure on page 30.
263A2012J
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