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System 3800 and 4900 ProCompt
120V AC 50/60 Hz
System 3800 ProCompt with Three-Stage Turbine
Model 826002
6 psi (41 kPa, 0.4 bar) Maximum Working Pressure
System 4900 ProCompt with Four-Stage Turbine
Model 826003
8 psi (55 kPa, 0.5 bar) Maximum Working Pressure
Model descriptions are in Turbine
Components Table on page 4.
Related Manuals
HVLP–Turbine Gun
. . . . . . . . . . . . . . . . . . . . . . .
The SHERWIN–WILLIAMS COMPANY, CLEVELAND, OHIO 44115
OWNER'S MANUAL
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
309205
ECOPYRIGHT 2000, GRACO INC.
System 4900
ProCompt Shown
309248
Rev. A
TI0875

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Summary of Contents for Sherwin-Williams ProComp 3800

  • Page 1 OWNER’S MANUAL 309248 Rev. A This manual contains important warnings and information. READ AND KEEP FOR REFERENCE. INSTRUCTIONS System 3800 and 4900 ProCompt 120V AC 50/60 Hz System 3800 ProCompt with Three-Stage Turbine Model 826002 6 psi (41 kPa, 0.4 bar) Maximum Working Pressure System 4900 ProCompt with Four-Stage Turbine Model 826003 8 psi (55 kPa, 0.5 bar) Maximum Working Pressure...
  • Page 2: Table Of Contents

    Table of Contents Symbols Warning Symbol Warnings ........General Information .
  • Page 3 WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury. INSTRUCTIONS D This equipment is for professional use only. D Read all instruction manuals, tags, and labels before you operate the equipment. D Use the equipment only for its intended purpose.
  • Page 4: General Information

    General Information System ProCompt Unpacking Turbine The System 3800 ProCompt and the System 4900 Unpack the System ProCompt from the shipping ProCompt turbines, compressor, and spray guns can carton, and inspect for any possible shipping damage. spray most coatings or finishes currently being used If there is any damage, call your distributor.
  • Page 5: Component Identification And Function

    Component Identification and Function TI0876 Fig. 1 Turbine air outlet Connection for turbine air supply to HVLP Turbine Gun (System 4900 ProCompt units include quick connector) Turbine power switch ON/OFF switch for sprayer turbine Storage compartment Provides storage for fluid set components Turbine handle Folds flat for minimum storage space Turbine cover...
  • Page 6: Setup

    Setup Grounding Prepare the Fluid D Always strain the fluid before you spray; this WARNING includes color, reducer, and hardeners if used. D When using a turbine spray system, use a slow- Improper installation or alteration of the grounding plug will result in a risk of electric shock, fire, or er drying reducer or thinner to compensate for the explosion that could cause serious injury or death.
  • Page 7 Setup Connect the Fluid and Air Supply 2. If using a spray gun cup (D): Connect the cup to the gun fluid inlet (E). See Fig. 3 If using accessory remote pressure pot (F): Con- D The compressor provides the air supply for the nect fluid supply hose (G) between remote pres- sure pot fluid outlet (H) and gun fluid inlet (E).
  • Page 8 Setup Fill the Cup or Remote Pressure Pot Spray Gun Cup b. Turn out pressure relief knob (113) one turn. Wait until pressure is completely relieved WARNING before you remove cover. Close knob. The spray gun cup is pressurized by the gun’s air supply.
  • Page 9 Setup Prepare Surface to be Sprayed System ProCompt Compressor Cold Weather Operation To get proper adhesion, make sure surface is com- pletely clean. The System ProCompt uses a diaphragm compres- Operating Turbine sor. A new diaphragm may be stiff in cold weather. If cold enough, the diaphragm is too stiff to allow the WARNING compressor motor to start (the unit hums).
  • Page 10: Shutdown

    Shutdown Pressure Relief Procedure WARNING WARNING The turbine hose outlet may be hot. Carefully check PRESSURIZED EQUIPMENT HAZARD the hose end before you remove the hose. The equipment stays pressurized until pressure is manually relieved. To reduce the risk of a serious 3.
  • Page 11: Maintenance

    Maintenance Daily Soak filter for 15 minutes in water and mild detergent. Rinse filter until clean. Air dry. Do The turbine systems are lifetime lubricated. The only not use compressed air on damp or wet filter. maintenance required is filter cleaning and replace- ment.
  • Page 12: Troubleshooting

    Troubleshooting PROBLEM CAUSE SOLUTION No fluid delivery No material, no remote Check container for material. container pressurization, hose or pickup tube clogged Check for leaks at the container gasket (2-quart pressure pot cover. Tighten cover if loose. Check for air flow from male quick-disconnect at compressor outlet (should be approx.
  • Page 13 Notes 309248 13...
  • Page 14: Repair

    Repair 7. Repair or replace items as required. WARNING 8. After completing servicing place turbine baseplate Turn off turbine and unplug power for the following (2) on its back. procedures. 9. Slide turbine cover (1) onto turbine baseplate Turbine Sprayer Disassembly (unless approximately 1–2”...
  • Page 15 Repair TI0911 Fig. 8 Power Cord Replacement Replace power cord by unplugging from IEC connector (A). Install new cord. See Fig. 9 7949A Fig. 9 309248 15...
  • Page 16 Repair Motor Brush Replacement 4. Install new motor brushes using reverse order. Keep lead wires from all rotating parts and motor NOTE: It is recommended that this procedure be frame. performed by an authorized service center. 1. Use Turbine Sprayer Disassembly procedure on CAUTION page 14 to take turbine apart.
  • Page 17 Notes 309248 17...
  • Page 18: Parts Drawing

    Parts Drawing 16, 17 32, 40 309248...
  • Page 19: Parts List

    Parts List Part No. Description Part No. Description 276674 COVER, turbine 192905 PLATE, deflector 192775 BASE PLATE, turbine 193059 GASKET, sensor (System 3800) 192845 GASKET, duct 192774 BASE PLATE, turbine 192846 GASKET, duct (System 4900) 114287 FITTING, barbed 192786 PLATE, retaining 192810 HOSE, air 106084...
  • Page 20: Accessories

    Accessories 2-Quart (1.9 liter) Pressure Pot 244357 50 psi (345 kPa, 3.5 bar) Maximum Inlet Air Pressure 2-quart (1.9 liter) capacity, aluminum cup. Includes air pressure regulator, gauge, pressure relief valve, and rigid hook handle. WARNING Do not use 1,1,1-trichloroethane, methylene chlo- ride, other halogenated hydrocarbon solvents, or fluids containing such solvents in the turbine spray system, which contains aluminum and/or galva-...
  • Page 21: Specifications

    Specifications Power requirements ..............120V AC, 50/60 Hz Amps at 120 volts System 3800 &...
  • Page 22: Sherwin-Williams Standard Warranty

    Sherwin-Williams Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

This manual is also suitable for:

Procomp 4900826002826003

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