Graco TI1713A Скачать руководство пользователя страница 34

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Troubleshooting

309298J

Electrical Troubleshooting

Problem

Cause

Solution

Poor wrap.

Turbine air is not turned on.

Turn on.

Booth exhaust velocity is too high.

Reduce velocity to within code limits.

Atomization air pressure too high.

Decrease.

Fluid pressure too high.

Decrease.

Incorrect distance from gun to part.

Should be 8-12 in. (200-300 mm).

Poorly grounded parts.

Resistance must be 1 megohm or
less. Clean workpiece hangers.

Faulty gun resistance.

See Test Gun Resistance on page
29.

Low fluid resistivity.

Check fluid resistivity, page 17.

Fluid leaks from the packing (8d) and
causes a short.

Clean the packing rod cavity.
Replace the packing rod. See page
41.

Faulty turbine alternator.

Be sure the plug is in place on the
back of the turbine alternator hous-
ing. Remove and test the turbine
alternator. See page 47.

The KV switch is stuck on low.

Check the switch actuation; replace if
needed.

No power.

Replace power supply. See page 46.

No voltage or low voltage reading on
the gun ES display module

Damaged fiber optic cable or connec-
tion.

Check; replace damaged parts.

Turbine air is not turned on.

Turn on.

Poor wrap.

See causes and solutions under Poor
Wrap, above.

Operator gets mild shock.

Operator not grounded or is near
ungrounded object.

See Grounding on page 15.

Gun not grounded.

See Check Electrical Grounding on
page 16 and Test Gun Resistance
on page 29.

Operator gets shock from workpiece. Workpiece not grounded.

Resistance must be 1 megohm or
less. Clean workpiece hangers.

Содержание TI1713A

Страница 1: ...21 MPa 210 bar Maximum Working Fluid Pressure For use in Class I Div I hazardous locations using Group D spray materials For use in Group II Zone 1 areas using Group IIA spray materials For Professional Use ONLY U S Patent 7 226 004 Important Safety Instructions Read all warnings and instructions in this manual Save these instructions See page 2 for Table of Contents 53 II 2 G EEx 0 24MJ ...

Страница 2: ...ggering the Fluid Alone 22 Shutdown 22 Maintenance 23 Daily Care and Cleaning 23 Daily Care and Cleaning continued 24 Flush the Spray Gun 25 Clean the Spray Gun 26 Check for Fluid Leakage 28 Electrical Tests 29 Test Gun Resistance 29 Test Power Supply Resistance 30 Test Barrel Resistance 31 Troubleshooting 32 Spray Pattern Troubleshooting 32 Gun Operation Troubleshooting 33 Electrical Troubleshoot...

Страница 3: ...Only use grounded Graco conductive air supply hoses Check gun and hose resistance and electrical grounding daily Use and clean equipment only in well ventilated area Interlock the gun air supply to prevent operation unless ventilating fans are on Use cleaning solvents with highest possible flash point when flushing or cleaning equipment Always turn the electrostatics off when flushing cleaning or ...

Страница 4: ...he tip guard in place Follow the steps under Prepare the Gun for Service page 35 when you stop spraying and before cleaning checking or repairing equipment Check the hoses and couplings daily Replace worn damaged or loose parts immediately Permanently coupled hoses cannot be repaired replace the entire hose Tighten all fluid connections before each use Toxic Fluid Hazard Hazardous fluids or toxic ...

Страница 5: ...lace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated system component Maxi mum working fluid pressure of this equipment is 3000 psi 21 MPa 210 bar Use fluids and solvents that are compatible with the equipment wetted parts See the Techni cal Data section of all equipment manuals Read the fluid and solvent manufacturer s warn ings Route the hoses awa...

Страница 6: ...provides electrical power to the internal high voltage power supply The fluid is charged by the spray gun electrode The charged fluid is attracted to the nearest grounded object wrapping around and evenly coating all surfaces The turbine air is exhausted into the shroud and out the back of the manifold through the exhaust fitting EXH The exhaust air helps keep contaminants out and helps keep the g...

Страница 7: ... MPa 3 5 bar air pressure to the KV1 and KV2 ports Turn the air on or off as shown in Table 1 to set the desired voltage The solenoid valves used to activate the KV1 and KV2 switches must bleed the air out of the lines for the switches to draw back to the higher voltage setting Table 1 KV1 and KV2 Switch Settings KV1 Air KV2 Air Output Voltage kV OFF OFF 85 OFF ON 70 ON OFF 60 ON ON 45 ...

Страница 8: ...rd D Retaining Ring E Shroud F Mounting Bracket G Manifold H Turbine J Power Supply K Electrode Manifold Markings A1 not used A2 Atomization Air Inlet Fitting CYL Cylinder Air Inlet Fitting EXH Shroud Exhaust Outlet Fitting FO Fiber Optic Fitting KV1 kV Switch 1 Air Inlet KV2 kV Switch 2 Air Inlet P1 Fluid Supply Inlet Fitting P2 not used TA Turbine Air Inlet Fitting ...

Страница 9: ... or service this equipment unless you are trained and qualified Be sure your installation complies with National State and Local codes for the installation of electrical apparatus in a Class I Div I Group D or a Group II Category 2G Hazardous Location Comply with all applicable local state and national fire electrical and other safety regula tions WARNING Flammable or Toxic Vapor Hazard Provide fr...

Страница 10: ...to prevent the power supply from operating without ventilating fans on Non Hazardous Area Hazardous Area Y W P1 CYL A2 KV2 TA K K See above K X KV1 L L Manifold Back View KV mA 85 0 KV TI1715A Q T NOTE A maximum of two splices with a total of 108 ft 33 m of cable can be used For the strongest light signals use a minimum number of bulkhead splices See Accessories on page 52 Non Hazardous Area Hazar...

Страница 11: ...limited by the pump air regulator Do not rely on the gun fluid regulator to limit the fluid pressure to the gun The fluid supply pump must be prevented from pro ducing a fluid pressure greater than the 3000 psi 21 MPa 210 bar Maximum Working Fluid Pressure of the gun For example the air supply pressure to a 30 1 ratio pump must not exceed 100 psi 0 7 MPa 7 bar Be sure that all spray equipment and ...

Страница 12: ...2 onto a 1 2 in 13 mm mounting rod See FIG 4 2 Position the gun and tighten the two set screws For added positioning reliability insert a 1 8 in 3 mm locating pin into the slot NN in the bracket and through a hole in the rod See the detail in FIG 4 Fig 4 Mounting Bracket TI1738A 103 102 NN 9 24 in 234 7 mm 2 88 in 73 2 mm To Nozzle Tip ...

Страница 13: ... supply hose must be electrically connected to a true earth ground Use only Graco Grounded Air Supply Hose A1 Not Used A2 Atomization Air Inlet Fitting Connect a 3 8 in 10 mm OD tube between this fitting and the air supply CYL Cylinder Air Inlet Fitting Connect a 5 32 in 4 mm OD tube between this fitting and the solenoid For quicker response use the shortest hose length possible EXH Shroud Exhaust...

Страница 14: ...See FIG 6 Fig 6 Fiber Optic Fitting 2 Remove the nut AA from the fiber optic fitting 5 and slide the nut over the end of the fiber optic cable BB See FIG 7 3 Push the cable BB into the fitting 5 until it bot toms out Tighten the nut AA to secure the cable Fig 7 Fiber Optic Cable Most of the fiber optic light transmission loss occurs at the bulkhead splices For the strongest light signals use a min...

Страница 15: ...ea shoes must have conductive soles such as leather or personal grounding straps must be worn Do not wear shoes with non conductive soles such as rubber or plastic Object being sprayed keep the workpiece hangers clean and grounded at all times Resistance must not exceed 1 megohm The floor of the spray area must be electrically con ductive and grounded Do not cover the floor with cardboard or any n...

Страница 16: ...istance is greater than the maximum read ing specified above for your hose check the tight ness of the ground connections and be sure the turbine air hose ground wire is connected to a true earth ground If the resistance is still too high replace the turbine air hose Fig 8 Check Gun Grounding WARNING Fire Explosion and Electric Shock Hazard Megohmmeter Part No 241079 AA see FIG 8 is not approved f...

Страница 17: ...topwatch 3 Record the fluid type elapsed time and size of the viscosity cup 4 If the viscosity is too high or too low contact the material supplier Adjust as necessary Install the Fabric Cover 1 Install a fabric cover XX over the front of the gun and slide it back to cover the exposed tubing and hoses at the back of the manifold See FIG 9 2 Route the exhaust tube YY outside the cover This enables ...

Страница 18: ...t the system from starting or spraying accidentally Fluid under high pressure can be injected through the skin and cause serious injury To reduce the risk of an injury from fluid injection splashing fluid or electric shock follow the Pressure Relief Procedure whenever you are instructed to relieve the pressure stop spraying check or service any of the system equipment or install or clean the spray...

Страница 19: ...o damage the electrode 40a Fig 10 Install Spray Tip 3 Install the spray tip and air cap tip guard 3 shroud 2 and retaining ring 1 onto the gun Be sure the electrode 40a is in place Tighten the retaining ring firmly Fig 11 Install Air Cap Assembly WARNING Skin Injection Hazard To reduce the risk of a fluid injection injury always follow the Pressure Relief Proce dure on page 18 before removing or i...

Страница 20: ...dicates improved atomi zation 5 Continue to increase the fluid pressure and spray test patterns Do not exceed 3000 psi 21 MPa 210 bar fluid pressure When the particle size remains constant the fluid is being atomized at the lowest possible fluid pressure For improved atomization at lower fluid flow rates change to a smaller tip orifice size 6 Turn on the atomization air A2 and adjust the air press...

Страница 21: ...tage probe and meter or by reading the ES kV Display Module The gun s normal high voltage reading is 60 70 kV If a ball end high voltage measurement probe is used the gun voltage will rise to about 85 kV This will happen with all resistive electrostatic guns See Electrical Troubleshooting on page 34 to correct voltage problems Table 2 Dynamic Turbine Air Pressures Turbine Air Hose Length ft m Air ...

Страница 22: ...si 3 5 bar 0 35 MPa air pressure to the cylinder air fitting CYL to trigger the fluid Shutdown 1 Relieve the pressure 2 Flush and clean the equipment See Maintenance on page 23 WARNING Electric Shock Hazard To reduce the risk of electric shock do not touch the gun electrode or come within 4 in 10 cm of the nozzle during gun operation WARNING Fire and Explosion Hazard If any fluid leakage from the ...

Страница 23: ... in the air passages could cause the gun to malfunction and could draw current and reduce the electrostatic effect Fluid in the power supply cavity can reduce the alternator life Whenever possible point the gun down when cleaning it Do not use any cleaning method which could allow fluid into the gun air passages Do not immerse the gun in fluid Do not point the gun up while cleaning it Do not wipe ...

Страница 24: ...fluid leakage from the gun and fluid hoses See Check for Fluid Leakage on page 28 Tighten fittings or replace equipment as needed Check all work hangers for fluid buildup clean if necessary Flush the gun before changing colors and whenever you are done operating the gun WARNING Skin Injection Hazard To reduce the risk of a fluid injection injury always follow the Pressure Relief Proce dure on page...

Страница 25: ... from the gun 7 Turn off the solvent supply 8 Relieve the pressure 9 Install the spray tip 4 and air cap 40 tip guard 3 shroud 2 and retaining ring 1 onto the gun Tighten the retaining ring firmly Fig 14 Remove Spray Tip Before Flushing WARNING Skin Injection Hazard To reduce the risk of a fluid injection injury always follow the Pressure Relief Proce dure on page 18 when you stop spraying and whe...

Страница 26: ...ere is paint inside the air passages remove the gun from the line for servicing Fig 15 Clean Front of Gun 5 Dampen a soft cloth with solvent and wring out the excess Wipe the exterior of the gun and shroud clean See FIG 16 Fig 16 Clean Gun Body 6 Remove the bottom fluid tube fitting P and fluid fil ter 20 See FIG 17 Clean the filter in compatible solvent 7 Reinstall the filter 20 and fitting P Do ...

Страница 27: ...e spray tip page 19 12 Install the spray tip and air cap tip guard shroud and retaining ring page 19 Be sure the electrode 40a is in place 13 Test gun resistance page 29 CAUTION Do not use metal tools to clean the air cap or spray tip holes as this could scratch them and make sure the electrode is not damaged Scratches in the air cap or spray tip or a damaged electrode can distort the spray patter...

Страница 28: ... spraying immediately Relieve the pressure then remove the gun for repair Fig 18 Check for Fluid Leakage WARNING Fire and Explosion Hazard If any fluid leakage from the gun is detected stop spraying immediately Fluid leakage into the gun shroud could cause fire or explosion and result in serious injury and property damage WARNING Skin Injection Hazard To reduce the risk of a fluid injection injury...

Страница 29: ...all the air cap and repeat the measure ment If it is still outside this range remove the gun for service Fig 19 Test Gun Resistance CAUTION The barrel resistor cartridge is part of the barrel and is not replaceable To avoid destroying the gun barrel do not attempt to remove the barrel resistor WARNING Fire Explosion and Electric Shock Hazard Megohmmeter Part No 241079 AA see FIG 19 is not approved...

Страница 30: ...ring 12b See FIG 20 4 The resistance should be 135 150 megohms If out side this range replace the power supply If in range proceed to the next test 5 If you still have problems refer to Electrical Trou bleshooting on page 34 for other possible causes of poor performance or contact your Graco distribu tor 6 Be sure the spring 12b is in place before reinstall ing the power supply Fig 20 Test Power S...

Страница 31: ...d measure the resis tance between the conductive rod B and the wire lead at the bottom of the contact ring groove 4 If the resistance is in range replace the contact ring 6a with a new one Press the contact ring firmly into the groove on the front of the barrel 5 If the resistance is still outside the range replace the barrel Fig 21 Test Barrel Resistance WARNING Fire Explosion and Electric Shock ...

Страница 32: ...ion Hazard To reduce the risk of a fluid injection injury always follow the Pressure Relief Proce dure on page 18 before doing any mainte nance or service on this gun or system Problem Cause Solution Fluttering or spitting spray No fluid Refill supply Air in fluid supply Check fluid source Refill Irregular pattern Fluid buildup partially plugged tip Clean See page 26 Worn damaged tip or air cap ho...

Страница 33: ...le 8 Replace see page 41 Worn fluid seat housing 5 Replace see page 37 Loose spray tip 4 Tighten retaining ring 1 see page 37 Damaged tip seal 4a Replace see page 37 Gun does not spray Low fluid supply Add fluid if necessary Dirty or clogged spray tip 4 Clean see page 37 Damaged spray tip 4 Replace see page 37 Damaged fluid needle 8 Replace see page 41 Piston 34 not actuating Check cylinder air Ch...

Страница 34: ...ing rod See page 41 Faulty turbine alternator Be sure the plug is in place on the back of the turbine alternator hous ing Remove and test the turbine alternator See page 47 The KV switch is stuck on low Check the switch actuation replace if needed No power Replace power supply See page 46 No voltage or low voltage reading on the gun ES display module Damaged fiber optic cable or connec tion Check ...

Страница 35: ...e parts from other PRO Gun models 1 Flush and clean the gun page 23 2 Relieve the pressure page 18 3 Remove the gun from the manifold page 36 4 Remove the gun from the worksite Repair area must be clean WARNING Electric Shock Hazard Installing and repairing this equipment requires access to parts that may cause electric shock or other serious injury if the work is not performed properly Do not ins...

Страница 36: ...and spring 105 are in place on the manifold See FIG 22 Inspect the parts for damage and replace them as needed 2 Secure the gun to the manifold by tightening the three screws 106 3 Secure the gun to the mounting bracket 102 by tightening the bottom screw 31 CAUTION The piston return spring 105 is compressed between the manifold and the gun body when they are assembled To avoid sudden movement of t...

Страница 37: ...e barrel resistor cartridge B is part of the barrel and is not replaceable To avoid destroying the gun barrel do not attempt to remove the barrel resistor TI1723A 40 3 1a 1 2 4 4a B WARNING Fire Explosion and Electric Shock Hazard The barrel contact ring 6a is a conductive contact ring not a sealing o ring To reduce the risk of sparking or electric shock do not remove the barrel contact ring 6a ex...

Страница 38: ... the spray tip 4 and air cap 40 tip guard 3 shroud 2 and retaining ring 1 onto the gun Make sure the u cup 1a is in place on the retaining ring 1 The lips must face forward Tighten the retaining ring until the air cap is held firmly in place you should not be able to rotate the air cap horns by hand 9 Test gun resistance page 29 10 Install the gun onto the manifold and bracket See page 36 CAUTION ...

Страница 39: ... cap hole Make sure the short end BB of the electrode engages the hole CC in the back of the air cap Press the electrode in place firmly with your fingers See FIG 25 5 Install the air cap assembly page 37 6 Test gun resistance page 29 Fig 25 Electrode Replacement WARNING Electric Shock Hazard To reduce the risk of fire explosion or elec tric shock do not operate the spray gun without the electrode...

Страница 40: ...b 2 3 3 4 N m Make sure the top nut remains tight 9 Reinstall the shroud and air cap assembly page 37 10 Test gun resistance page 29 Fig 26 Fluid Tube Replacement Fluid Filter Removal 1 Prepare the gun for service page 35 2 Remove the air cap assembly page 37 Remove the shroud 2 3 Disconnect the bottom fluid tube nut C 4 Remove the fluid filter 20 Clean or replace the fil ter as needed Replacement...

Страница 41: ...acking nut N to remove the fluid needle assembly See FIG 28 7 Install the fluid needle assembly in the gun barrel Push in on the needle with the 2 mm ball end wrench 44 and tighten See FIG 29 8 Install the spring 8a 9 Install the spring cap 45 making sure the ground ing spring 25 is in place Tighten until snug Do not overtighten 10 Install the barrel 6 page 45 11 Install the seat housing and air c...

Страница 42: ...o not over lubricate 7 Align the two stems 34c with the holes in the gun body and press the piston assembly into the back of the gun until it bottoms 8 Install and adjust the actuator arm page 43 Fig 31 Piston O Rings TI1732A 28 29 30 34b Table 3 Piston O Rings Description Function Shaft O Ring 34g Seals cylinder air along the piston rod 34b Replace if air leaks along rod Front O Ring 34e Air shut...

Страница 43: ...s a 0 125 in 3 mm gap between the actuator arm 29 and the fluid packing rod nut U which allows the atomizing air to actuate before the fluid See FIG 32 3 Tighten the adjustment nut 30 against the actuator arm 29 Check that the 0 125 in 3 mm gap has been maintained See FIG 32 4 Test gun resistance page 29 5 Install the gun shroud 2 and air cap page 37 6 Install the gun onto the manifold and bracket...

Страница 44: ...osen the three screws 10 33 See FIG 33 6 Hold the gun body 32 with one hand and pull the barrel 6 straight off the body See FIG 33 Fig 33 Barrel Removal Fig 34 Disconnect Fluid Tube CAUTION To avoid damaging the power supply 12 pull the gun barrel 6 straight away from the gun body 32 If necessary gently move the gun barrel from side to side to free it from the gun body TI1728A 10 32 6 33 C TI1732A...

Страница 45: ...a half turn past snug 4 Make sure the fluid filter 20 is in place Tighten the bottom nut C onto the fitting 22 and torque to 20 30 in lb 2 3 3 4 N m Make sure the top nut D remains tight 5 Install and adjust the actuator arm 29 and jam nut 28 See page 43 6 Test gun resistance page 29 7 Install the gun shroud 2 and air cap page 37 8 Install the gun onto the manifold and bracket See page 36 Fig 35 B...

Страница 46: ...23 from the power supply 5 Check the power supply resistance page 30 Replace if necessary Before installing the power supply make sure the o rings 12a 13a spring 12b and pads 13e are in place 6 Connect the 6 pin flexible circuit 23 to the power supply 7 Connect the 3 wire connector GG Slide the alter nator 13 down onto the power supply 12 8 Lubricate the alternator o ring 13a with non sili cone gr...

Страница 47: ...ge 46 3 Disconnect the alternator from the power supply page 46 4 Measure resistance between the two outer termi nals of the 3 wire connector GG it should be 2 5 3 5 ohms If outside this range replace the alternator coil 5 Follow the bearing replacement procedure in the bearing kit manual 308034 6 Install the alternator on the power supply page 46 7 Install the power supply alternator assembly pag...

Страница 48: ...Xs AA Electrostatic Gun Series A 5 12 19 34a 35 4a 40 12a 12b 32 2 34d 1 3 4 10 11 13 13e 13a 34c 34f 34e 34g 34b 30 27 26 8 28 22 19 Ref 20 25 TI1481a 13a 13b 13b 13c Ref No 13 Alternator Detail 13d 13e 1a 40a 6 31 23 8a 29 33 6a 45 14 37 44 ti1722 ...

Страница 49: ...NG KIT includes front and rear bearings and fan 1 13c 244577 COIL 1 13d 111745 RING retaining 1 13e 198821 PAD pressure 2 14 107460 WRENCH ball end 4 mm 1 15 179791 TAG warning not shown replacement available at no cost 1 16 180060 SIGN warning not shown replacement available at no cost 1 17 239945 COVER gun box of 10 not shown 1 19 244713 TUBE fluid 1 20 205264 FILTER fluid inline 1 22 189366 FIT...

Страница 50: ...reciprocator 1 103 110465 SCREW set 2 104 112689 SCREW button hd 2 105 112640 SPRING compression 1 106 197518 SCREW socket hd 10 24 x 3 4 in 19 mm 3 107 111157 FITTING tube 1 108 186845 FITTING turbine 1 109 110078 FITTING tube 2 110 112646 PLUG 1 112 197925 GASKET manifold 1 113 108290 SCREW machine 2 114 189365 CAP kV HI LO 2 115 198764 RESTRICTOR 1 116 244772 PISTON includes 116a 2 116a 112085 ...

Страница 51: ...1 GG3315 6 8 150 200 GG3415 8 10 200 250 GG3515 10 12 250 300 GG3615 12 14 300 350 GG3217 4 6 100 150 0 017 0 432 GG3317 6 8 150 200 GG3417 8 10 200 250 GG3517 10 12 250 300 GG3617 12 14 300 350 GG3319 6 8 150 200 0 019 0 483 GG3419 8 10 200 250 GG3519 10 12 250 300 GG3619 12 14 300 350 GG3719 14 16 350 400 GG3421 8 10 200 250 0 021 0 533 GG3521 10 12 250 300 GG3621 12 14 300 350 GG3721 14 16 350 ...

Страница 52: ...1 m 223072 50 ft 15 m 223073 75 ft 23 m 223074 100 ft 30 5 m Bleed Type Master Air Valve 300 psi 21 bar 2 1 MPa Maximum Working Pressure Relieves air trapped in the air line between this valve and the pump air motor when closed 107141 3 4 npt Air Line Shutoff Valve 150 psi 10 bar 1 0 MPa Maximum Working Pressure For turning air to gun on or off 224754 1 4 npsm m x 1 4 npsm f left hand thread Fluid...

Страница 53: ...lay module See 308265 224682 25 ft 7 6 m 224684 50 ft 15 m 224686 100 ft 30 5 m Power Supply 235301 Supplies low voltage DC power to 224117 Display Module See 308265 Remote Voltage Display 189762 Battery operated meter displays actual spraying voltage remote mount outside hazardous area Connects to gun via fiber optic cable See 308265 Fiber Optic Cables Connect gun manifold and remote display bulk...

Страница 54: ...Accessories 54 309298J ...

Страница 55: ...dard 9216 at 40 psi 0 28 MPa 2 8 bar 90 4 dB A at 100 psi 0 7 MPa 7 bar 105 4 dB A Sound Pressure measured 1 m from gun at 40 psi 0 28 MPa 2 8 bar 87 dB A at 100 psi 0 7 MPa 7 bar 99 dB A Turbine air inlet fitting left hand thread 1 4 npsm m Atomizing air inlet fitting 3 8 in OD nylon tube Cylinder air inlet fitting 5 32 in OD nylon tube Hi Lo voltage selector air inlet fittings 5 32 in OD nylon t...

Страница 56: ...inal purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITN...

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