Ransburg DR-1 User Manual
SERVICE MANUAL
LN-9223-00.10
(Replaces LN-9223-00.9)
January - 2013
DR-1 FLUID REGULATOR
MODEL: 74151
IMPORTANT: Before using this equipment, carefully
read SAFETY PRECAUTIONS, starting on page 1, and all
instructions in this manual. Keep this Service Manual
for future reference.
Service Manual Price: $20.00 (U.S.)
NOTE: This manual has been changed from revision LN-9223-00.9 to revision LN-9223-00.10.
Reasons for this change are noted under “Manual Change Summary” inside the back
cover of this manual.
CONTENTS
SAFETY:
DR-1 Fluid Regulator - Contents
PAGE
1-4
SAFETY PRECAUTIONS............................................................................................................
HAZARDS / SAFEGUARDS........................................................................................................
INTRODUCTION:
FEATURES..................................................................................................................................
SPECIFICATIONS.......................................................................................................................
DR-1 FLOW VS SIGNAL PRESSURE........................................................................................
OPERATION:
OPERATION................................................................................................................................
MAINTENANCE:
TOOLS REQUIRED.....................................................................................................................
PRELIMINARY PROCEDURES..................................................................................................
DISASSEMBLY PROCEDURES.................................................................................................
REGULATOR CROSS-SECTIONAL VIEW................................................................................
ASSEMBLY PROCEDURES.......................................................................................................
TEST PROCEDURES.................................................................................................................
PREVENTIVE MAINTENANCE...................................................................................................
TROUBLESHOOTING GUIDE....................................................................................................
1
2-4
5-6
5
5
6
7-8
7
9-16
9
9
9-10
11
12-13
13
13
14-15
PARTS IDENTIFICATION:
REGULATOR CROSS-SECTIONAL VIEW / PARTS LIST.......................................................
RECOMMENDED SPARE PARTS.............................................................................................
SERVICE KITS............................................................................................................................
WARRANTY POLICIES:
LIMITED WARRANTY.................................................................................................................
17-20
17-18
19
19
21
21
DR-1 Fluid Regulator - Safety
SAFETY
SAFETY PRECAUTIONS
Before operating, maintaining or servicing any Ransburg coating system, read and understand all of the
technical and safety literature for your Ransburg
products. This manual contains information that
is important for you to know and understand. This
information relates to USER SAFETY and PREVENTING
EQUIPMENT PROBLEMS. To help you recognize this
information, we use the following symbols. Please
pay particular attention to these sections.
A WARNING! states information to alert you to a situation that might cause serious injury if instructions
are not followed.
A CAUTION! states information that tells how to
prevent damage to equipment or how to avoid a
situation that might cause minor injury.
A NOTE is information relevant to the procedure in
progress.
While this manual lists standard specications and
service procedures, some minor deviations may be
found between this literature and your equipment.
Dierences in local codes and plant requirements,
material delivery requirements, etc., make such
variations inevitable. Compare this manual with
your system installation drawings and appropriate
Ransburg equipment manuals to reconcile such
dierences.
W A R N I N G
!
> The user MUST read and be familiar with
the Safety Section in this manual and the
Ransburg safety literature therein identied.
> This manual MUST be read and thoroughly
understood by ALL personnel who operate, clean
or maintain this equipment! Special care should
be taken to ensure that the WARNINGS and safety
requirements for operating and servicing the
equipment are followed. The user should be
aware of and adhere to ALL local building and
re codes and ordinances as well as NFPA-33
SAFETY STANDARD, prior to installing, operating,
and/or servicing this equipment.
W A R N I N G
!
> The hazards shown on the following
page may occur during the normal use of
this equipment. Please read the hazard chart
beginning on page 2.
Careful study and continued use of this manual will
provide a better understanding of the equipment and
process, resulting in more ecient operation, longer
trouble-free service and faster, easier troubleshooting.
If you do not have the manuals and safety literature
for your Ransburg system, contact your local Ransburg
representative or Ransburg.
1 LN-9223-00.10
DR-1 Fluid Regulator - Safety
AREA
Tells where hazards
may occur.
Spray Area
HAZARD
Tells what the hazard is.
Fire Hazard
Improper or inadequate operation
and maintenance procedures will
cause a re hazard.
Protection against inadvertent arcing that is capable of causing re or
explosion is lost if any safety interlocks are disabled during operation.
Frequent power supply shutdown
indicates a problem in the system
requiring correction.
SAFEGUARDS
Tells how to avoid the hazard.
Fire extinguishing equipment must be present in the
spray area and tested periodically.
Spray areas must be kept clean to prevent the accumulation of combustible residues.
Smoking must never be allowed in the spray area.
The high voltage supplied to the atomizer must be
turned o prior to cleaning, ushing or maintenance.
When using solvents for cleaning:
Those used for equipment ushing should have ash
points equal to or higher than those of the coating
material.
Those used for general cleaning must have ash points
above 100oF (37.8oC).
Spray booth ventilation must be kept at the rates required by NFPA-33, OSHA, and local codes. In addition,
ventilation must be maintained during cleaning operations using ammable or combustible solvents.
Electrostatic arcing must be prevented.
Test only in areas free of combustible material.
Testing may require high voltage to be on, but only as
instructed.
Non-factory replacement parts or unauthorized equipment modications may cause re or injury.
If used, the key switch bypass is intended for use only
during setup operations. Production should never be
done with safety interlocks disabled.
Never use equipment intended for use in waterborne
installations to spray solvent based materials.
The paint process and equipment should be set up and
operated in accordance with NFPA-33, NEC, and OSHA
requirements.
LN-9223-00.10
2
DR-1 Fluid Regulator - Safety
AREA
Tells where hazards
may occur.
General Use and
Maintenance
Electrical
Equipment
HAZARD
Tells what the hazard is.
Improper operation or maintenance
may create a hazard.
Personnel must be properly trained
in the use of this equipment.
High voltage equipment is utilized.
Arcing in areas of ammable or
combustible materials may occur.
Personnel are exposed to high
voltage during operation and
maintenance.
Protection against inadvertent arcing that may cause a re or explosion
is lost if safety circuits are disabled
during operation.
Frequent power supply shutdown
indicates a problem in the system
which requires correction.
An electrical arc can ignite coating
materials and cause a re or explo-
sion.
SAFEGUARDS
Tells how to avoid the hazard.
Personnel must be given training in accordance with
the requirements of NFPA-33.
Instructions and safety precautions must be read and
understood prior to using this equipment.
Comply with appropriate local, state, and national codes
governing ventilation, re protection, operation maintenance, and housekeeping. Reference OSHA, NFPA-33,
and your insurance company requirements.
The power supply, optional remove control cabinet,
and all other electrical equipment must be located
outside Class I or II, Division 1 and 2 hazardous areas.
Refer to NFPA-33.
Turn the power supply OFF before working on the
equipment.
Test only in areas free of ammable or combustible
material.
Testing may require high voltage to be on, but only as
instructed.
Production should never be done with the safety circuits disabled.
Before turning the high voltage on, make sure no objects
are within the sparking distance.
Explosion
Hazard/
Incompatible
Materials
3
Halogenated hydrocarbon solvents
for example: methylene chloride
and 1,1,1,-Trichloroethane are not
chemically compatible with the
aluminum that might be used in
many system components. The
chemical reaction caused by these
solvents reacting with aluminum
can become violent and lead to an
equipment explosion.
Aluminum is widely used in other spray application
equipment - such as material pumps, regulators, triggering valves, etc. Halogenated hydrocarbon solvents
must never be used with aluminum equipment during
spraying, ushing, or cleaning. Read the label or data
sheet for the material you intend to spray. If in doubt as
to whether or not a coating or cleaning material is compatible, contact your material supplier. Any other type
of solvent may be used with aluminum equipment.
LN-9223-00.10
DR-1 Fluid Regulator - Safety
AREA
Tells where hazards
may occur.
Toxic Substances
Spray Area /
High Voltage
Equipment
HAZARD
Tells what the hazard is.
Certain material may be harmful if
inhaled, or if there is contact with
the skin.
This is a high voltage device that
can produce electrical arcs capable
of igniting coating materials.
SAFEGUARDS
Tells how to avoid the hazard.
Follow the requirements of the Material Safety Data
Sheet supplied by coating material manufacturer.
Adequate exhaust must be provided to keep the air free
of accumulations of toxic materials.
Use a mask or respirator whenever there is a chance of
inhaling sprayed materials. The mask must be compatible with the material being sprayed and its concentration. Equipment must be as prescribed by an industrial
hygienist or safety expert, and be NIOSH approved.
Parts being sprayed must be supported on conveyors
or hangers and be grounded. The resistance between
the part and ground must not exceed 1 megohm.
(Reference NFPA-33.)
A safe distance must be maintained between the parts
being coated and the atomizer bell. A distance of at least
1 inch for each 10 kV of power supply output voltage is
required at all times.
Personnel Safety/
Mechanical
Hazards
The bell atomizer can rotate at
speeds up to 55,000 rpm. At these
speeds, the edge of the applicator
can easily cut into skin. Loose articles
of clothing can also be caught by the
rotating bell.
Parts must be supported so that they will not swing and
reduce the clearance specied above.
All electrically conductive objects in the spray area, with
the exception of those objects required by the process
to be at high voltage, must be grounded.
Unless specically approved for use in hazardous locations, the power supply and other electrical equipment
must not be used in Class I, Division 1 or 2 locations.
Personnel must stay clear of the bell whenever it is
rotating.
Before touching the bell, the turbine air must be shut
o.
If the bell has been rotating, allow at least two minutes
for it to come to a complete stop before touching it.
LN-9223-00.10
4
DR-1 Fluid Regulator - Introduction
INTRODUCTION
FEATURES
• Two independently controlled ow pressure
ranges.
• High ow range port for higher uid deliveries.
• Low ow range for more precise control over
lower uid deliveries.
• Interchangeable low ow ratios (1:1, 1:2, 1:3,
1:4, 1:6, 1:8, 1:10) for precise control.
• Stainless steel and coated wetted parts
for decreased color change time.
SPECIFICATIONS
Environmental / Physical
Height: 1-7/8-inch (48mm)
Height W/Fittings: 2-1/8-inch (54mm)
Diameter: 2-3/4-inch (70mm)
Diameter W/Fittings: 3-3/8-inch (86mm)
Mechanical
Air Pressures: Variable by Control
(Manual or Automatic)
100 psi (7 bar max.)
Fluid Input: 300 psi (20.7 bar max.)
(10 psi minimum above
output pressure)
Fluid Output: Variable by Ratio
Pneumatic / Fluid Connections
Air Pilot: #10-32 Thread
(Low & High)
Fluid In: 1/4-inch NPSM Thread
Fluid Out: 1/8-inch NPSM Thread
3/16-inch OD Tubing, use 70589-04 Fitting
1/4-inch OD Tubing, use 70589-05 Fitting
3/8-inch OD Tubing, use 70589-10 Fitting
6mm OD Tubing, use 70589-06 Fitting
8mm OD Tubing, use 70589-11 Fitting
3/8-inch NPSM Hose Connection, use
70589-12 Fitting
Volume of Paint Held
Within Regulator: 5 cc
5
LN-9223-00.10
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