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INSTRUCTIONS–PARTS LIST
30:1 PRESIDENT, CARBON STEEL, CART MOUNTED
Heated Air-Assisted Airless Package
See the Data Sheet, 305–665, for application information
3000 psi (210 bar) Maximum System Working Pressure
100 psi (6.9 bar) Maximum Air Inlet Pressure
Model 237–423, Series A
This complete package includes a pump,
an air-assisted airless–spray gun with size a 411 spray tip,
a portable cart, 25 ft. (7.6 m) air and fluid hoses,
air and fluid controls, and a fluid feed.
IMPORTANT
This manual provides the basic safety, installation and
operation information for the spray system. For your
safety, also read the component manuals supplied with
this system before operating it.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
This manual contains important
warnings and information.
READ AND RETAIN FOR REFERENCE
COPYRIGHT 1994, GRACO INC.
308–462
Rev. B
Supersedes A
04129
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Summary of Contents for Graco 237 A Series
- Page 1 This manual provides the basic safety, installation and operation information for the spray system. For your safety, also read the component manuals supplied with this system before operating it. 04129 GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1994, GRACO INC.
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Page 2: Table Of Contents
........Graco Phone Numbers . -
Page 3: Warnings
Handle and route hoses and tubes carefully. Keep hoses and tubes away from moving parts and hot surfaces. Do not use the hoses to pull equipment. Do not expose Graco hoses to tempera- tures above 180 F (82 C) or below –40 F (–40 C). - Page 4 This equipment is for professional use only. Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are in doubt about this, call Graco Techni- cal Assistance at 1–800–543–0339.
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Page 5: Setup
Setup Prepare the operator. 4. Have a grounded waste pail available to use when draining the fluid filter. All persons who operate the system should be trained in the safe, efficient operation of all system compo- nents as well as the proper handling of the chemical coating. - Page 6 Setup III. Unpack the system. Ground the system. 1. In addition to the assembled unit, these compo- nents are packed separately: suction assembly, hose set, gun. In Fig. 1 items identified with a WARNING number are supplied with the system. Items identi- fied with a letter are supplied by you.
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Page 7: System Component Information
System Component Information How to use the air–assisted airless How to change the spray pattern spray gun. direction. With an air-assisted airless spray gun, the spray tip 1. Relieve the air and fluid pressure. shapes the fluid into a fan pattern. Air from the air cap 2. - Page 8 System Component Information III. Fluid heater. How to adjust the air and back pressure regulators. See Fig. 5. See Fig. 6. The heater (3) used in this system is a high mass This system has two air regulators. As you look at the heater.
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Page 9: Operation
Operation Pressure relief procedure Flush the pump before the first use. Flush with a solvent compatible to your fluid. Consult WARNING the fluid manufacturer’s literature for recommenda- tions. See Flushing on page 12. To reduce the risk of serious injury, including splashing fluid or solvent in the eyes or on the skin, always follow the procedure below when you stop spraying or shut off the pump, check or service any... - Page 10 Operation NOTE: In the next steps, the pump will cycle quickly 13. Turn the heater dial to 3. When adjusting the until air is purged. heater, always allow the fluid to circulate and stabi- lize (about 10 minutes) before checking the tem- perature.
- Page 11 Operation How to set the fluid and air pressure. WARNING 1. Install the spray tip and air cap on the gun. This system has a maximum air working pressure of 100 psi (7 bar) which produces a maximum fluid working pressure of 3000 psi (210 bar). Higher 2.
- Page 12 Operation When to flush. 1. Turn off the heater and allow the system to cool. Before the first time use 2. Remove the air cap and spray tip from the gun and When changing colors clean separately. Do not reinstall at this time. Before fluid can dry or settle out in a dormant sys- tem (observe the recommended fluid pot life on cat- 3.
- Page 13 Operation 7. Put the suction tube into a grounded metal pail 13. For a first–time flush: trigger the gun and circulate with about 1 gal. (4 liters) of a compatible solvent. the solvent for 30 seconds. For flushing after spraying fluid: trigger the gun 8.
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Page 14: Parts
Parts Model 237–423, Series A Includes items 1 to 72 Part No. Description Part No. Description 223–586 PRESIDENT PUMP 218–093 AIR HOSE, cpld 1/2 npt(mbe), See 308–106 for parts 1/2” ID X 22” (13 mm ID X 559 mm) 220–522 VISCON FLUID HEATER, 120V 222–297... - Page 15 Parts Model 237–423, Series A Includes items 1 to 72 60 53 55,56 Ref 12...
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Page 16: Technical Data
WARRANTY Graco warrants all equipment manufactured by it and bearing its name to be free from defects in fluid and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. As purchaser’s sole remedy for breach of this warranty, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment proven defective.