Graco 236685 Instructions And Parts List Download Page 38 | Manualshive

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38 308442

Standard Spray Gun Parts

Part No. 236685
Standard PRO 5500hc Spray Gun

28b

28

13

16

15

14

12

3

9

1

2

27f

27b

25a

25

25b

30

27c

27

27a

20

24

26

5

18

REF 33

33

23g

75

35

34

7

6

21

46

19

36

11

4

5

29

23a

23b

23c

23d

23f

10

43

17

23e

32

REF 33

28a, 28c–28h

See page 39

Item 23 includes 23a–23g
Item 25 includes 25a & 25b
Item 27 includes 27a–27f
Item 28 includes 28a–28h

03905B

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Summary of Contents for 236685

Page 1: ...c paints and highly conductive fluids The gun is for use with Class I Group D paint spray materials U S PATENT NO 4 290 091 4 219 865 4 497 447 4 462 061 4 660 774 5 063 350 5 073 709 5 080 289 5 093...

Page 2: ...ng 19 Clean the Air Cap and Fluid Nozzle 21 Check for Fluid Leakage 22 Troubleshooting 23 Spray Pattern Troubleshooting 23 Gun Operation Troubleshooting 24 Electrical Troubleshooting 25 Electrical Tes...

Page 3: ...flash point higher than 100 F 38 C Do not flush the system with the gun electrostatics turned on Do not turn on the gun electrostatics until all solvent is removed from the system Use only non sparkin...

Page 4: ...ds that are compatible with the equipment wetted parts See the Technical Data section of all the equipment manuals Read the fluid manufacturer s warnings Route the hoses away from traffic areas sharp...

Page 5: ...vity as shown in the graph below Even with the shorter fluid tube of the PRO 5500sc gun very little current travels through the fluid due to its high resistivity and the spraying voltage is minimally...

Page 6: ...of the power supply turbine G The air spins the turbine which then provides electrical power to the internal high voltage power supply H The fluid is charged by the spray gun electrode J The charged...

Page 7: ...D Shroud E Mounting Bracket F Manifold G Turbine H Power Supply J Electrode Manifold Markings A1 Atomization Air Inlet Fitting A2 Fan Air Inlet Fitting CYL Cylinder Air Inlet Fitting EXH Shroud Exhaus...

Page 8: ...azardous Area Hazardous Area BASIC SYSTEM SYSTEM OPTIONS Spraying Voltage Display Module kV mA kV Non Hazardous Area Hazardous Area 04801 TA A2 A1 CYL A B K J G H P1 E F M N C D K X W K Y F O Q P R T...

Page 9: ...other serious injury if work is not performed properly Do not install or service this equip ment unless you are trained and qualified Be sure your installation complies with National State and Local...

Page 10: ...relieved between the valve and the gun when the solenoids are shut off Install the Fluid Line Accessories 1 Install a fluid filter and drain valve at the pump outlet See Fig 1 page 8 WARNING PRESSURI...

Page 11: ...ethane outer Grey Hose more flexible less durable than black hose modified semi conductive polyamide core urethane cover Red Hose conductive SST wire braid for grounding polyure thane tube and cover F...

Page 12: ...it is recommended that you install the fiber optic lens kit as described at right NOTE Most of the fiber optic light transmission loss occurs at the bulkhead splices For the strongest light signals u...

Page 13: ...Air Spray Gun ground the gun by connecting the Graco Electrically Conductive Air Hose to the turbine air inlet and connecting the air hose ground wire to a true earth ground Check the electrical grou...

Page 14: ...ine air hose 2 Make sure the turbine air hose B is connected and the hose ground wire is connected to a true earth ground 3 The air and fluid supplies to the gun must be turned off and the fluid hose...

Page 15: ...er the exposed tubing and hoses at the back of the manifold 2 Route the exhaust tube YY outside the cover This enables you to monitor the exhaust tube for the presence of any paint or solvent See Chec...

Page 16: ...sing the Pressure Relief Procedure at left ____ 3 The warning sign provided with the gun is mounted in the spray area where it can be easily seen and read by all operators ____ 4 The system is thoroug...

Page 17: ...line pressure regulator Refer to instruction manual 307803 to set the fluid pressure for various fluid flows according to the size of the fluid nozzle being used 4 Use the air pressure regulator on t...

Page 18: ...ems Activating the kV Switch Apply a minimum of 50 psi 3 5 bar 0 35 MPa air pressure to the kV switch air fitting KV to activate it and switch to the lower voltage setting The lower voltage setting is...

Page 19: ...ll parts with a non conductive solvent compatible with the fluid being sprayed Conduc tive solvents can cause the gun to malfunction Methylene chloride is not recommended as a flushing or cleaning sol...

Page 20: ...p if they are damaged See Clean the Air Cap and Fluid Nozzle page 21 Check the electrode wire straighten it if it is bent and replace it if it is broken or damaged See Electrode Needle Replacement pag...

Page 21: ...ne for servicing 5 Clean the air cap 12 with the soft bristle brush and solvent or submerge the air cap in suitable solvent and wipe it clean CAUTION Do not use metal tools to clean the air cap or flu...

Page 22: ...6 when you stop spraying and whenever you are instructed to relieve the pressure During operation periodically check the manifold exhaust tube YY and both ends of the gun shroud ZZ for the presence of...

Page 23: ...oo close to the fluid needle The fluid seat is worn Clean or replace the air cap see page 21 Reposition the actuator arm see page 32 Replace the fluid nozzle and or electrode needle see page 29 and 30...

Page 24: ...is out of position Check the fluid supply add fluid if necessary Clean the fluid nozzle see page 21 Replace the fluid nozzle see page 29 Check the cylinder air check the piston u cup see page 32 Check...

Page 25: ...ray Check the possible causes listed below Check the air supply to the gun Check the gun resistance see page 26 Clean the fluid rod cavity replace the packing see page 31 Be sure the plug is in place...

Page 26: ...se in a hazardous area To reduce the risk of sparking do not use the megohmmeter to do electrical tests unless The gun has been removed from the hazardous area see page 28 to re move gun Or all sprayi...

Page 27: ...n page 29 Check the resistance between the black resistor stud ring contact S and the needle contact ring T You may have to press down on the contact ring S in several places to get a good reading The...

Page 28: ...uch the gun nozzle or come within 4 inches 101 6 mm of the nozzle during gun operation CAUTION Methylene chloride is not recommended as a flush ing or cleaning solvent with this gun as it will damage...

Page 29: ...5 from the fluid nozzle 14 with the multi tool 83 See Fig 21 WARNING FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD The resistor stud contact ring S is a conductive contact ring not a sealing o ring See Fig...

Page 30: ...ted on page 37 Electrode Needle Replacement 1 Prepare the gun for service as instructed on page 28 2 Remove the air cap nozzle and resistor stud as instructed on page 29 Remove the gun shroud 3 Unscre...

Page 31: ...ssembly 28 with the multi tool 83 See Fig 23 6 Clean all the parts and check them for wear or damage Replace the parts if necessary Before installing the fluid packing rod assembly 28 clean the intern...

Page 32: ...bly 28 into the gun barrel Using the multi tool 83 tighten the assembly until it is just snug then check the drag on the fluid rod See Fig 23 page 31 15 Install the electrode needle fluid nozzle and r...

Page 33: ...3 to 4 mm of elec trode needle travel when the gun is triggered If necessary adjust the jam nut 46 position to obtain these dimensions 9 Test the gun resistance as instructed on page 26 10 Install the...

Page 34: ...9 NOTE The fluid nozzle 14 must be in place when removing or installing the jam nut and actuator arm 5 Loosen the three screws 24 with the ball end wrench 77 not shown See Fig 29 6 Hold the gun body 2...

Page 35: ...27 If necessary replace the power supply 5 Before installing the power supply inspect the seal D for any damage or swelling Make sure the gaskets and pads 27a 27f are in place 6 Lubricate the o ring...

Page 36: ...lternator 6 Install the power supply in the gun body as instructed on page 35 7 Assemble the gun as instructed at right Barrel Installation 1 Be sure the gaskets 20 27a and spring 11 are in place See...

Page 37: ...e actuator arm 19 03901A Fig 32 26 24 20 27 27a 29 4 19 46 11 13 23g 36 43 33 Install the Gun onto the Manifold 1 Make sure the gaskets 108 121 and spring 105 are in place on the manifold 101 See Fig...

Page 38: ...16 15 14 12 3 9 1 2 27f 27b 25a 25 25b 30 27c 27 27a 20 24 26 5 18 REF 33 33 23g 75 35 34 7 6 21 46 19 36 11 4 5 29 23a 23b 23c 23d 23f 10 43 17 23e 32 REF 33 28a 28c 28h See page 39 Item 23 includes...

Page 39: ...189754 ROD piston 1 24 185096 SCREW cap relieved M5 x 0 8 3 25 222319 ALTERNATOR turbine Includes items 25a 25b 1 25a 110073 O RING Viton 1 25b 185124 CUSHION 1 26 223940 BARREL gun 1 27 224093 POWER...

Page 40: ...ess fit the spring 105 Tighten the fitting until the hex bottoms against the manifold This fitting 113 has left hand threads Install the KV cap 111 flush to the outside surface Concave side of the dis...

Page 41: ...32 x 1 4 2 110 236696 KV SWITCH Includes item 110a 1 110a 111316 O RING fluoroelastomer 1 111 189365 KV CAP 1 112 110078 FITTING tube for 3 8 OD tube 2 113 186845 FITTING turbine 1 4 18 npsm left hand...

Page 42: ...4 Remove the PRO 5500sc gun s fluid tube fittings o rings and spacer B See Fig 35 5 Clean the barrel fluid inlet A with compatible sol vent Inspect the barrel fluid inlet for damage and replace if ne...

Page 43: ...Power 90 7 Db A Maximum Noise Level at 100 psi 7 bar 0 7 MPa Sound Pressure 101 5 Db A Sound Power 107 Db A Wetted Parts Stainless Steel Nylon Acetal PTFE Kalrez Ultra High Molecular Weight Polyethyle...

Page 44: ...ft 23 m 223074 100 ft 30 5 m Conductive Air Supply Hose red 100 psi 7 bar 0 7 MPa Maximum Working Pressure Meets CENELEC EN 50 050 requirement for metallic ground path Color coded red Stainless steel...

Page 45: ...with 722886 Paint Resistance Meter to measure resistance of paint Not for use in Hazardous areas Safety Warning Signs FM Approved Available at no charge from Graco Must be ordered separately 180060 Wa...

Page 46: ...The buyer agrees that no other remedy 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...

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