Graco System 3800 Owner'S Manual Download Page 1

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309246

Rev. J

System 4900

Shown

7947A

OWNER’S MANUAL

System HVLP Turbine Sprayers

Important Safety Instructions

Read all warnings and instructions in this
manual. Save these instructions.

120V AC 50/60 Hz

System 2500

Sprayer with Two-Stage Turbine

Model 826000
5 psi (34 kPa, 0.3 bar) Maximum Working Pressure

System 3800

Sprayer with Three-Stage Turbine

Model 826001
6 psi (41 kPa, 0.4 bar) Maximum Working Pressure

System 4900

Sprayer with Four-Stage Turbine

Model 826004
8 psi (55 kPa, 0.5 bar) Maximum Working Pressure

Model descriptions are in Turbine Components Table on page 4.

Related Manuals

System ProCart

309247

. . . . . . . . . . . . . . . . . . . . . . . .

HVLP Turbine Gun

309205

. . . . . . . . . . . . . . . . . . . . . . .

GRACO INC.

P.O. BOX 1441

MINNEAPOLIS, MN

55440–1441

Graco Inc. is registered to I.S. EN ISO 9001

Summary of Contents for System 3800

Page 1: ... bar Maximum Working Pressure System 3800 Sprayer with Three Stage Turbine Model 826001 6 psi 41 kPa 0 4 bar Maximum Working Pressure System 4900 Sprayer with Four Stage Turbine Model 826004 8 psi 55 kPa 0 5 bar Maximum Working Pressure Model descriptions are in Turbine Components Table on page 4 Related Manuals System ProCart 309247 HVLP Turbine Gun 309205 GRACO INC P O BOX 1441 MINNEAPOLIS MN 55...

Page 2: ...while using this equipment stop spraying immediately Do not use the equipment until you identify and correct the problem Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being sprayed When flammable liquid is sprayed or used for flushing or cleaning the equipment the turbine must be placed at least 20 feet 6 1 m away from areas where hazardous concen...

Page 3: ... Comply with all applicable local state and national fire electrical and safety regulations Do not point the gun at anyone or at any part of the body Do not put your hand or fingers over the gun fluid nozzle Do not stop or deflect leaks with your hand body glove or rag Do not blow back fluid this is not an air spray system Follow the Pressure Relief Procedure on page 10 if the fluid nozzle clogs a...

Page 4: ...lication by requiring fewer paint passes to obtain coverage and saves on both material and clean up time See the HVLP Turbine Gun manual 309205 for more information on the operation and use of the turbine spray gun Unpacking Turbine Sprayer Unpack the turbine sprayer from the shipping carton and inspect for any possible shipping damage If there is any damage call your distributor Turbine Sprayer C...

Page 5: ...lock mounted on compressor cart F Air filters pre filter and main Provide filtered air for HVLP Turbine Gun and turbine motor G Two speed switch Allows two speed operation of turbine sprayer motor used on System 4900 units H Air filter indicator light Indicates air filter performance and maintenance used on System 3800 and System 4900 units J Connector and power cord Provides power for turbine spr...

Page 6: ...prayer use a slower drying reducer or thinner to compensate for the faster drying time caused by the warm air of the turbine Do not over reduce CAUTION The performance of the turbine sprayer varies with the viscosity of the material and the length of the hose Keep the hose short to prevent pressure drop Paint Reduction Automotive Type Finishes Reduce and catalyze all paint to manufacturer s specif...

Page 7: ...t gun air supply hose A between turbine air outlet B and gun air inlet C DO NOT use wrench to tighten connections hand tighten only The System 4900 turbine uses a quick connector at outlet B A wrench is not required for hose connection 2 If using a spray gun cup D connect the cup to the gun fluid inlet E If using accessory remote pressure pot F connect fluid supply hose G between remote pressure p...

Page 8: ...ry from pressurized fluid or accidental spray from the gun always relieve pressure in the pressure pot before you loosen or remove the cover 1 Relieve remote pressure pot pressure as follows see Fig 5 a Turn off air supply to pressure pot b 21 2 gallon remote pressure pot Pull pressure relief valve ring 206c until pressure is completely relieved 2 quart remote pressure pot Turn pressure relief kno...

Page 9: ... from plastic drop cloths open flames like pilot lights hot objects like cigarettes arcs from connecting or disconnecting power cords and turning light switches on and off Extinguish or remove all sources of ignition 1 Turn turbine ON a few minutes before spraying to allow warm up NOTE When the turbine is not in use for an extended period of time turn it off The turbine does not shut off automatic...

Page 10: ... check the hose end before you remove the hose 3 If using remote pressure pot relieve pressure by following these steps see Fig 6 a Turn off air supply to pressure pot b 21 2 gallon remote pressure pot Pull pressure relief valve ring 206c until pressure is completely relieved 2 quart remote pressure pot Turn pressure relief knob 113 Wait until pressure is completely relieved before you remove cove...

Page 11: ...ove main filter 21 and clean by using one of the following three methods Tap filter gently on flat surface dirty side down CAUTION To prevent damage to filter do not use compressed air on a wet filter Direct compressed air 100 psi 7 bar 70 kPa maximum through filter panel in opposite direction of arrows on side of filter from the clean side to the dirty side Soak filter for 15 minutes in water and...

Page 12: ...12 309246 Notes ...

Page 13: ...tructions Check if fluid pickup tube is unplugged Tighten Blow out and clear material hose Compressor not starting Cold weather operation See System ProCartt Cold Weather Operation on page 9 Turbine not starting No power Check outlet for power Cycle red rocker switch Check that correct IEC modular cord is used and plugged in Check circuit breaker 38 Push to reset Poor atomization Dirty filter Clea...

Page 14: ...mended that this procedure be performed by an authorized service center 1 Use System HVLP Turbine Sprayer Disassembly procedure on page 14 to take turbine apart Use Turbine Motor Replacement on page 15 to replace turbine 2 Remove plastic fan cover 3 Remove brushes Check commutator for excessive wear Note Do not install new brushes in a turbine that has had brush holders damage the commutator A mot...

Page 15: ...turbine apart 2 Remove turbine gasket 25 3 Loosen 3 screws 6 and remove 4 Remove plate 82 and 3 spacers 83 5 Remove turbine motor wires from spade connectors 6 Rotate turbine 24 from outlet fitting 18 and lift up from turbine spacers 23 7 Install new turbine gaskets 25 and 41 8 Reassemble turbine 9 Connect ground wire to turbine housing as required 10 Reconnect wires according to applicable turbin...

Page 16: ...16 309246 Parts Drawing 31 29 28 20 33 7 3 27 5 38 16 17 42 25 24 26 27 36 34 2 1 41 6 6 23 12 10 13 14 15 81 19 18 21 22 32 40 46 47 37 39 65 67 68 69 4 6 4 83 82 7943C 12 11 ...

Page 17: ...00 1 192788 GASKET turbine System 3800 and System 4900 1 26 192784 BRACKET handle 2 27 114531 SCREW cap hx hd 8 28 113414 NUT lock 2 29 192785 HANDLE turbine 1 31 114658 SWITCH rocker System 4900 1 32 114279 SENSOR pressure System 3800 and System 4900 1 33 114280 LIGHT indicator System 3800 and System 4900 1 34 114293 SWITCH rocker red 1 36 111593 SCREW grounding 1 37 102063 WASHER lock external t...

Page 18: ...iter paint tank liner 5 pack 112077 Ref No Part No Description Qty 201 104655 PRESSURE GAUGE 1 202 151519 REDUCER 1 4 to 1 8 1 203 M70687 COUPLING 1 204 M70676 O RING 1 205 M70686 PRESSURE RELIEF VALVE 1 207 M70616 GASKET standard EPDM 1 M70617 GASKET solvent resistant Thiokol optional must order separately 1 208 M70678 WING NUT 5 209 M70677 WASHER 5 212 244288 TANK paint 21 2 gal 9 5 liter with P...

Page 19: ...41423 Air Material Hose FS Number 244115 3 244118 Fluid Set FS Spray Gun None Length ft Number 30 240476 Material Hose PTFE Lined 240045 Pressure Pot Length ft Number Standard Turbine Air Hose 30 241413 See HVLP Fine Finish Systems brochure 300564 for all accessories Non Silicone Lubricant 111265 4 oz is available for fluid seals and wear areas Notes ...

Page 20: ...12 136 138 137 109 129 119 134 131 123 122 139 103 140 Ref No Part No Description Qty 101 104655 PRESSURE GAUGE 1 103 104815 PRESSURE REGULATOR 1 109 287818 POT 2 quart 1 9 liter aluminum 1 112 120132 GASKET 1 287821 GASKET KIT 5 pack 1 114 169969 FITTING 1 119 240474 HOSE fluid 60 in long 1 4 in ID 1 120 240482 HOSE air 54 in 1 37 m long 1 121 M70854 HOSE CLAMP 1 122 110440 FITTING TEE 1 123 1895...

Page 21: ...inimum System 4900 1 phase 14A minimum Power cord extension cord must be 3 wire 12 AWG 50 ft 15 m or shorter System 2500 No 16 AWG 3 wire 10 ft System 3800 No 16 AWG 3 wire 10 ft System 4900 No 14 AWG 3 wire 15 ft Unrestricted flow rate System 2500 58 cfm System 3800 80 cfm System 4900 82 cfm Turbine stages System 2500 2 System 3800 3 System 4900 4 Maximum turbine hose length System 2500 40 ft 12 ...

Page 22: ... including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN CON...

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