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307912

Rev. AC

Part No. 222300 shown

06443

INSTRUCTIONS-PARTS LIST

INSTRUCTIONS

This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.

Model PRO 3500sc

Electrostatic Air Spray Gun

65 kV, MANUAL GUN

100 psi (7 bar, 0.7 MPa) Maximum Working Pressure

Part No. 222300, Series B

With Two-Finger Trigger

Part No. 222600, Series B

With Four-Finger Trigger

NOTE: Any modification of genuine Graco parts or replacement of parts with non-Graco parts will void agency approvals.

U.S. PATENT NO. 4,290,091; 4,219,865; 4,497,447; 4,462,061; 4,660,774 ; D313,064; 4,978,075
Patented 1986, 1987 Canada 
Brevete 1986, 1987 
U.K. PATENT NO. 2,147,158; 2,142,559B; 2,140,327B 
French Patent No. 89 16305
Other U.S. and Foreign Patents Pending

GRACO INC.

P.O. BOX 1441

MINNEAPOLIS, MN

55440–1441

COPYRIGHT 1989, GRACO INC.

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

Содержание 222300

Страница 1: ...Part No 222600 Series B With Four Finger Trigger NOTE Any modification of genuine Graco parts or replacement of parts with non Graco parts will void agency approvals U S PATENT NO 4 290 091 4 219 865...

Страница 2: ...al Tests 19 Test Gun Resistance 19 Test Power Supply Resistance 20 Test Resistor Stud Resistance 20 Service 22 Prepare the Gun for Service 22 Air Cap Nozzle Resistor Stud Replacement 22 Electrode Repl...

Страница 3: ...NFPA 33 requirements use solvents with a flash point higher than 100 F 38 C or a solvent normally used in spray operations For European Countries complying with EN 50053 use solvents with a flash poi...

Страница 4: ...This equipment is for professional use only Read all the instruction manuals tags and labels before operating the equipment Use the equipment only for its intended purpose If you are uncertain about u...

Страница 5: ...ation Comply with all applicable local state and national fire electrical and other safety regula tions Fig 1 shows a typical electrostatic air spray system It is not an actual system design The parti...

Страница 6: ...toff Valve Q Air Hose Ground Wire R Graco Electrically Conductive Air Hose S Electrostatic Spray Gun T Air Line Drain Valve U Fluid Drain Valve V Gun Air Inlet W Gun Fluid Inlet X Gun Exhaust Tube Req...

Страница 7: ...system to relieve air trapped between this valve and the pump after the air regulator is closed Trapped air can cause the pump to cycle unexpect edly which could result in serious injury including sp...

Страница 8: ...wire to a true earth ground Check the electrical grounding of the gun as instructed on page 9 4 All air and fluid lines must be properly grounded Use only grounded hoses with a maximum of 500 feet 15...

Страница 9: ...y gun and air hose 2 Turn the ES ON OFF Lever to OFF See Fig 4 page 12 for the location of the lever 3 Turn off the air and fluid supply to the gun The fluid hose must not have any fluid in it 4 Make...

Страница 10: ...10 307912 Notes...

Страница 11: ...rating Checklist Check the following list daily before starting to operate the system to help ensure safe efficient operation ____ 1 All the operators are properly trained to safely operate an electro...

Страница 12: ...zzle and air cap Install the air cap and fluid nozzle into the gun barrel as instructed in Air Cap Nozzle Resistor Stud Replacement page 22 Operating the Spray Gun WARNING PRESSURIZED EQUIPMENT HAZARD...

Страница 13: ...o 4 5 0 42 to 0 45 75 22 9 68 to 73 4 7 to 5 0 0 47 to 0 50 100 30 5 75 to 80 5 2 to 5 5 0 52 to 0 55 7 Set the atomizing air valve 31 about 1 5 turns out for most applications The Atomizing Air Valve...

Страница 14: ...om mended Do not use any cleaning method which may allow solvent into the gun air passages Point the gun down while cleaning to prevent fluid from running into the air passages See Fig 6 Hang the gun...

Страница 15: ...taining nut until it is snug allowing the air cap to turn with resistance 5 Test the gun resistance as instructed on page 19 Flush the Spray Gun WARNING ELECTRIC SHOCK HAZARD To reduce the risk of fir...

Страница 16: ...en Improper spray pattern There is fluid build up on the air cap partially clogged horn holes or full air pressure from the clean horn hole forces the fan pattern toward the clogged end Clean the air...

Страница 17: ...good results The fluid is poorly mixed or filtered Remix or refilter the fluid An improper thinner is being used Use the proper thinner Excessive spray fog The air pressure is too high Reduce the air...

Страница 18: ...paint meter and probe The turbine alternator is not operating Check if the ES ON OFF lever is ON 1 Check the air supply to the gun Check for dirt or moisture in the turbine See page 28 The gun resista...

Страница 19: ...rdous area Or all spraying devices in the hazardous area are turned off ventilation fans in the hazardous area are operating and there are no flammable vapors in the area such as open solvent con tain...

Страница 20: ...ceed to the next test If you still have problems refer to the Electrical Troubleshooting chart on page 18 for other possible causes of poor performance or contact the nearest authorized service agency...

Страница 21: ...tance is correct make sure the metal contact C in the barrel and the needle contact wire E are clean If the resistance is outside the specified range the resistor is defective and the resistor stud 22...

Страница 22: ...ement CAUTION Hold the front end of the gun up and trigger the gun while removing the nozzle and resistor stud to help drain the gun and prevent any fluid left in the gun from entering the air passage...

Страница 23: ...ozzle and resistor stud as instructed on page 22 3 Unscrew and remove the fluid needle electrode 20 with the multi tool 62 See Fig 13 Hold the needle shaft end to prevent it from turning CAUTION Be ca...

Страница 24: ...See Fig 14 3 Using the wrench 63 supplied loosen the three socket head cap screws 5 4 Hold the gun handle 7 with one hand and pull the barrel 3 straight away from the handle to remove it See Fig 15 C...

Страница 25: ...gger screws 4 far enough to remove the trigger 13 4 Remove the packing cartridge and needle assem bly 28 using the multi tool 62 See Fig 16 CAUTION Clean all parts in non conductive solvent compatible...

Страница 26: ...ly Place the spacer on the fluid needle 28a in the direction shown in Fig 17 Generously apply petroleum jelly to the outside of the spacer 3 Place the fluid packing 28e needle packing 28d and housing...

Страница 27: ...With a gentle side to side motion pull it free from the gun handle 7 Then pull the power cartridge straight out of the handle CAUTION To avoid a loss in electrostatic performance inspect the power ca...

Страница 28: ...nnect the 3 wire connector to the 3 prongs in the power supply Push the alternator onto the power supply until the retaining ring engages with the alternator 7 Install the power cartridge in the gun h...

Страница 29: ...housing 4 Clean all the parts and inspect them for wear or damage 5 When reassembling the fan air valve 43 lubricate the o rings 43e and the adjustment knob threads 43c with petroleum jelly 6 After th...

Страница 30: ...tite or equivalent thread sealant to the sleeve 45d external threads Turn the sleeve in with the sleeve stop 45e until it bottoms out then back it out 1 8 turn CAUTION Do not allow Loctite to get onto...

Страница 31: ...nless it is dam aged 6 Install the air valve shaft 39 with the o ring 41 and spring 44 into the back of the gun handle 7 If the u cup 42 was removed install the air valve shaft 39 before installing th...

Страница 32: ...rts Excessive lubricant on the o ring 36 can be pushed into the gun air pas sage and blemish the finish on the workpiece 6 Install the regulator disk 46 in the valve 38 with its bevelled side facing i...

Страница 33: ...307912 33 Notes...

Страница 34: ...ludes items 43b to 43e Item 45 includes items 45a to 45e 6 7 4 13 3 1 8 2 22 20 21 25 28 35 34 44 45d 23 39 40 42 66 17 15 19 33 12 14 10 29 24 26 36 46 38 47 32 31 9 16 41 37a 37b 18a 18c 18b 30 5 18...

Страница 35: ...s 28a 28h 1 28a 223024 NEEDLE fluid 1 28b 185495 HOUSING packing 1 Ref No Part No Description Qty 28c 185488 NUT packing 1 28d 178763 PACKING needle 1 28e 178409 PACKING fluid 1 28f 111504 O RING fluo...

Страница 36: ...D 1 4 npsm f x 1 4 npsm f left hand thread 235068 6 ft 1 8 m 235069 15 ft 5 m 235070 25 ft 8 m 235071 36 ft 11 m 235072 50 ft 15 m 235073 75 ft 23 m 235074 100 ft 30 5 m Air Swivel Fitting 236129 100...

Страница 37: ...r relieving fluid line pressure at the pump 208630 1 2 npt m x 3 8 npt f carbon steel and PTFE for non corrosive fluids SPRAY SYSTEM ACCESSORIES Electrostatic System 223106 Includes 222300 Electrostat...

Страница 38: ...rsion Kit 223976 Converts the ES ON OFF Valve to a constant on setting A ball valve is included for complete air shut off at the gun Push Pull Pattern Adjustment Valve 224883 Pattern adjustment valve...

Страница 39: ...ower 105 4 Db A Category Data Wetted Parts Stainless Steel Polyethylene Nylon Acetal PTFE Ultra High Molecular Weight Polyethylene Ceramic Fluoroelastomer Music Wire Noise levels measured with a 40 ps...

Страница 40: ...le remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales inju...

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