For electrostatic finishing and coating applications in hazardous or non-hazardous
locations, including applications that require heated material, and applications that use
isocyanates, UV coatings, and other moisture-sensitive materials.
For professional use only.
.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
See pages 8 to 13 for model information, including maximum working pressure and approvals.
313255Merkur Heated Spray Packages
3A2495Pro Xp AA Spray Gun
307273Fluid Outlet Filter
309524Viscon HP Heater
306860Back Pressure Regulator
313541DataTrak Kits
™
NXT
Air Motor
Spray Packages
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312798U3
Warnings
WARNINGWARNINGWARNING
WARNING
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 ba ck to these Warnings. Product- specific hazard symbols and
warnings not covered in this section may appear throughout the body of this manual where applicable.
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:
•Ground equipment, personnel, object being sprayed, and conductive objects in work area. See
Grounding instructions.
•Only use grounded Graco conductive air supply hoses.
•Use and clean equipment only in well ventilated area.
•Use cleaning solvents with highest possible flash point when flushing or cleaning equipment.
•Always turn the electrostatics off when flushing, cleaning or servicing equipment.
•If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment
until you identify and correct the problem.
•Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop
cloths (potential static arc).
•Do not plug or unplug power cords or turn lights on or off when flammable fumes are present.
•Keep work area free of debris, including solvent, rags and gasoline.
•Check gun resistance daily.
•Keep a working fire extinguisher in the work area.
SPECIAL CONDITIONS FOR SAFE USE
Equipment must comply with the following conditions to avoid a ha zard ous condition which ca n cause fire
or explosion.
•All label and marking material must be cleaned with a damp cloth (or equivalent).
•The electronic monitoring system is required to be grounded. See Grounding instructions.
ELECTRIC SHOCK HAZARD
This equipment must be grounded. Improper grounding, setup, or usage of th e system can cause electric
shock.
•Turn off air supply before servicing equipment.
•All electrical wiring must be done by a qualified electrician and comply with all local codes and
regulations.
•Do not touch gun electrode when electros ta tics ar e on .
•Do not expose to rain. Store indoors.
4312798U
Warnings
WARNINGWARNINGWARNING
WARNING
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.
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 Da ta 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 equipm ent
and follow the Pressure Relief Procedure when equipment is not in use.
•Check equipment daily. Repair or replace worn or damaged parts imme diately 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.
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 servicin g equipment,
follow the Pressure Relief Procedure and disconnect all power sources.
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.
312798U5
Warnings
WARNINGWARNINGWARNING
WARNING
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 pr ot ec tion .
•Respirators, protective clothing, and gloves as recommended by the fluid an d solvent man ufacturer.
6312798U
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 per sonal protective equipment, including chemically
impermeable gloves, boots, aprons, and goggles, is
also required for everyone in the work area.
Material Self-ignition
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
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.
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.
•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.
Changing Materials
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.
312798U7
•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.
•Most materials use ISO on the A side, but some use
ISO on the B side.
Models
Wall mount
ID
Cart mount
ID
ti12326a
ti12327a
Models
Check the identification plate (ID) for the 6-digit part number of your package. Use the following matrix and tables to
define the components of your package. For example, package number G30C76 represents a Merkur package (G),
with a 30:1 ratio pump (30), cart mounting (C), and the components shown for (76) in the table on page 13.
Maximum Inlet Air Pressure: 100 psi (0.7 MPa, 7 bar)
Maximum Fluid Working Pressure: 3000 psi (20.7 MPa, 207 bar
Model
Wall
Mount
G30W83 G30C81 W30CAS1.2 (4.5)
G30W84 G30C82 W30CBS1.2 (4.5)
G30W85 G30C83 W30CAS1.2 (4.5)
G30W86 G30C84 W30CBS1.2 (4.5)
Cart
Mount
Pump
Assembly
Maximum
fluid flow
rate
gpm (lpm)
Heater
Volt
Amp
120V
19.2 Amp
120V
19.2 Amp
240V
16.7 Amp
240V
16.7 Amp
Pump
and Gun
Air
Controls
Gun
Fluid
Hose
)
HosesOptions
Gun Fluid
Whip Hose
Gun
Air
Hose
Gun Air
Whip Hose
Fluid
Filter DataTrak
Siphon
Kit
Fluid
Filter
DataTra
k
Merkur Bellows 35:1 Packages, Ambient (G35Bxx)
Maximum Inlet Air Pressure 100 psi (0.7 MPa, 7 bar)
Maximum Fluid Working Pressure: 3000 psi (20.7 MPa, 207 bar)
Maximum
fluid flow
Pump
Model
G35B33B35DA01.6 (6.0)
G35B34B35DB01.6 (6.0)
Assembly
rate
gpm (lpm)
Pump
and Gun
Air
Controls
Gun
Fluid
Hose
*
*
Gun Fluid
Whip Hose
* Fluid filter includes fluid drain valve.
312798U13
HosesOptions
Gun
Air
Hose
Gun Air
Whip Hose
Siphon
Kit
Fluid
Filter DataTrak
Installation
A
B
C
R
U
V
S
T
J
AA
Z
N
P
F
W
X
K
H
ti12704b
L
AB
Installation
Package components vary. See page 9 to 13 to determine the components included in your model. Items designated
as accessories are not included in the packages.
FIG. 1. Typical Installation, Ambient, Model G30C76 Shown.
Key:
AAir Shutoff Valve (accessory)
BAir Filter (accessory)
CAir Line Moisture Trap and Drain Valve (accessory)
FFluid Filter
HElectrostatic Air-Assisted Spray Gun
JGun Swivel
KFluid Whip Hose
LAir Whip Hose
NSuction Hose and Tube
PStrainer
RPump Grounding Wire
SGun Air Pressure Gauge
TGun Air Pressure Regulator
UBleed-type Master Air Valve (required)
VDataTrak
W Pump Air Pressure Gauge
XPump Air Pressure Regulator
YInsert (for models without DataTrak), see F
ZElectrically Conductive Gun Fluid Hose
AA Electrically Conductive Gun Air Hose
AB Electrostatic Spray Gun Grounding Wire
IG. 2
14312798U
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