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Repair

333013B

Piston Repair

Prepare the gun for service, page 38.

Remove the air cap, page 39. Remove the gun
shroud (26).

Remove the jam nut (16a), actuator arm (15), and
adjustment nut (16b). See F

IGURE

34.

Remove piston cap (13) and spring (12) from the
rear of the gun.

Push on the piston rod (11) to push the piston out
the back of the gun.

Inspect the o-rings (11d, 11e, 11f, 11g) for damage.
See Table 3 and F

IGURE

33.

Lubricate the o-rings (11d, 11e, 11f, 11g) with
non-silicone grease, Part No. 111265. Do not
over-lubricate.

Align the two stems (11c) with the holes in the gun
body and press the piston assembly into the back of
the gun until it bottoms. Install piston cap (13) and
spring (12).

Install and adjust the actuator arm, page 42.

. 31 Fluid Needle Removal

. 32 Fluid Needle Replacement

. 33 . Piston O-Rings

Table 3. Piston O-Rings

Description

Function

Shaft O-Ring

(11g)

Seals cylinder air along the piston rod
(34b). Replace if air leaks along rod.

Front O-Ring

(11e)

Air shutoff seal. Replace if air leaks from
air cap when gun is de-triggered.

Back O-Ring

(11f)

Separates cylinder air from fan and atom-
izing air.

Piston O-Ring

(11d)

Replace if air leaks from small vent hole
at back of manifold when gun is triggered.

O-rings included in air seal repair kit 24W390

WLD

11a

11d

11c

11f

11e

11g

11b

11e

11g

11f

11d

Atomizing Air Side

Fan Air Side

Содержание 333013B

Страница 1: ...of Liquid Mixtures ASTM D4206 Materials which cannot be ignited in any mixture with air by an energy source of less than 500 mJ For professional use only 100 psi 0 7 MPa 7 bar Maximum Air Inlet Press...

Страница 2: ...ne 25 Shutdown 25 Maintenance 26 Daily Care and Cleaning Checklist 26 Flushing 26 Clean Outside of Gun 27 Clean the Spray Gun 27 Check for Fluid Leakage 28 Clean the cabinet 28 Electrical Tests 29 Tes...

Страница 3: ...d for use with fluids that meet the following condition Material does not sustain burning in accordance with the Standard Test Method for Sustained Burning of Liquid Mixtures ASTM D4206 Models Complia...

Страница 4: ...on system that are charged to high voltage must be contained within an isolation enclosure that prevents personnel from making contact with the high voltage components before the system voltage is dis...

Страница 5: ...un air supply to prevent operation unless ventilating fans are on Only use non flammable solvents when flushing or cleaning equipment Always turn the electrostatics off when flushing cleaning or servi...

Страница 6: ...serious injury Do not operate the unit when fatigued or under the influence of drugs or alcohol Do not exceed the maximum working pressure or temperature rating of the lowest rated system component S...

Страница 7: ...ly turbine The air spins the turbine which then 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 th...

Страница 8: ...ly non flammable fluids as defined above can be sprayed with the system or used to clean flush or purge the system Precautions must be taken when using electrostatic waterborne equipment to avoid pote...

Страница 9: ...re Regulator E kV Meter F Pump G Pump Suction Hose H Paint Container J Bleed Resistor K Enclosure Safety Interlock L Isolated Enclosure M Air Line Filter N Pneumatic connection to turbine air interloc...

Страница 10: ...r Supply J Electrode L Waterborne Fluid Hose Manifold Markings A1 Atomization Air Inlet Fitting A2 Fan Air Inlet Fitting CYL Cylinder Air Inlet Fitting 1 Fiber Optic Fitting Transmit Operational on Sm...

Страница 11: ...ten the life of the sys tem components Graco Waterborne Fluid Hose Use a Graco Waterborne Fluid Hose between the volt age isolation system fluid outlet and the gun fluid inlet See Accessories on page...

Страница 12: ...e K to actuate the turbine Install the Fluid Line Accessories 1 Install a fluid filter and drain valve at the pump out let Filtering the fluid will help remove coarse parti cles and sediment that coul...

Страница 13: ...system to shut off the turbine air when the access to the isolation system is opened The turbine air supply TA must be electrically interlocked with the spray booth ventilation fans to prevent the po...

Страница 14: ...true earth ground N The gun turbine air inlet fitting has left hand threads to prevent connecting another type of air hose to the turbine air inlet See Accessories on page 57 for further information a...

Страница 15: ...he solenoid For quicker response use the shortest hose length possible 1 Fiber Optic Fitting Transmit Operational on Smart models only Connect the Graco Fiber Optic cable see page 17 2 Fiber Optic Fit...

Страница 16: ...t by tightening the four plastic screws 5 Connect the other end of the fluid hose to the iso lated fluid supply as follows a Graco WB3000 Enclosure Slide the other end of the hose through the hole in...

Страница 17: ...un 1 manifold to Port 2 of the Control Module For a 2 Gun System 1 Connect Port 1 of the gun 2 manifold to Port 5 of the Control Module 2 Connect Port 2 of the gun 2 manifold to Port 6 of the Control...

Страница 18: ...d wire to a true earth ground See Check Electrical Grounding page 19 Voltage Isolation System electrically connect the voltage isolation system to a true earth ground Air compressors and hydraulic pow...

Страница 19: ...ow the Pressure Relief Procedure page 22 The fluid hose must not have any fluid in it 4 Measure the resistance between the turbine air inlet fitting TA and a true earth ground N If the resis tance is...

Страница 20: ...viscosity cup a stopwatch 1 Completely submerge the viscosity cup in the fluid Lift the cup out quickly starting the stopwatch as soon as the cup is completely removed 2 Watch the stream of fluid com...

Страница 21: ...ea are properly grounded See Grounding on page 18 The Graco Waterborne Fluid Hose is in good condition with no cuts or abrasions Replace hose if damaged The condition of the gun s electrical component...

Страница 22: ...eed the air out of the system 4 Trigger the gun into a grounded metal waste con tainer to relieve the fluid pressure 5 Turn off all remaining air supplies to the gun 6 Turn off the main air supply by...

Страница 23: ...ated enclosure door and fasten securely with the T handle locking screw Set the Atomization Fluid Pressure Atomization fluid pressure will vary based on the viscos ity of the fluid flow rate desired a...

Страница 24: ...dule See Table 2 Adjust the air pressure as necessary to keep the indicator light green or the values within 100 750 Hz NOTE Smart models display values not color indicator lights 5 Check the voltage...

Страница 25: ...atomiza tion A1 and fan A2 air lines using the bleed type air shutoff valves 2 Apply 60 psi 4 2 bar 0 42 MPa air pressure to the cylinder air fitting CYL to trigger the fluid Shutdown 1 Follow the Flu...

Страница 26: ...See Fluid Voltage Discharge and Grounding Procedure page 22 3 Follow the Pressure Relief Procedure page 22 4 Remove and clean the air cap and spray tip 5 Change the fluid source to non flammable solv...

Страница 27: ...h with solvent and wring out the excess Wipe the exterior of the gun and shroud clean See FIGURE 18 6 Clean the retaining ring 24 air cap tip guard assembly 25 and spray tip 3 with a soft brush daily...

Страница 28: ...ontact grounded parts may short out the electrostatics Keep the inside of the cabinet clean for proper operation Inspect the door T handle locking screw regularly to ensure the threads are well grease...

Страница 29: ...lectrical Trou bleshooting page 37 for other possible causes of poor performance or contact your Graco distributor 6 Be sure the spring 7a is in place before reinstalling the power supply Test Barrel...

Страница 30: ...round strip is grounded through the cart back to the ground lug Resistance must be less than 100 ohms If greater than 100 ohms replace the ground strip 240 Test Cylinder Resistance Remove the enclosur...

Страница 31: ...gh air pressure for the turbine Faulty power supply Excessive overspray on gun surfaces Fluid in the air passages Waterborne Fluid Hose Dielectric failure of the hose pin hole leak in the PTFE layer A...

Страница 32: ...sure door is closed and that any safety interlocks are engaged and working properly 8 Make sure the voltage isolation system is in the iso late mode where it is isolating the fluid voltage from ground...

Страница 33: ...ne air to the gun on Measure the volt age at the gun electrode with a voltage probe and meter 11 If the meter reading is 55 60 kV the gun power sup ply is okay and there is probably a dielectric break...

Страница 34: ...r pattern Fluid buildup partially plugged tip Clean See page 27 Worn damaged tip or air cap holes Clean or replace Pattern pushed to one side air cap gets dirty Air cap holes plugged Clean See page 27...

Страница 35: ...Reduce viscosity Fluid leaks from the fluid packing area Worn fluid needle packings or rod Replace fluid needle assembly 2 see Fluid Needle Replacement page 40 Air leaks from the air cap Worn piston s...

Страница 36: ...ctuator arm 15 is out of position Check actuator arm and nuts See page 42 Dirty air cap Damaged or plugged air cap Clean see Clean the Spray Gun page 27 Air leaks from manifold Manifold is not tight T...

Страница 37: ...see page 43 No voltage or low voltage reading on the Pro Xp Auto Control Module Damaged fiber optic cable or con nection Check replace damaged parts Turbine air is not turned on Turn on Spilled paint...

Страница 38: ...old screws 21 and remove gun NOTE The screws 21 should stay on the manifold and the five o rings 18 should stay on the gun Install the Gun on the Manifold 1 Make sure the five o rings 18 are in place...

Страница 39: ...the air cap 8 Make sure that the electrode 25a is installed cor rectly in the air cap 9 Check that the air cap o ring 25b is in place 10 Check that the u cup 24a is in place on the retain ing ring 24...

Страница 40: ...5 Be sure the seat housing 4 is removed Place the 2 mm ball end wrench 45 in the back of the fluid needle assembly Push the tool in and turn it coun terclockwise about 12 full turns to unthread the n...

Страница 41: ...nd press the piston assembly into the back of the gun until it bottoms Install piston cap 13 and spring 12 9 Install and adjust the actuator arm page 42 FIG 31 Fluid Needle Removal FIG 32 Fluid Needle...

Страница 42: ...16a 4 Test gun resistance page 5 Install the gun shroud 26 and air cap tip guard assembly 25 page 39 6 Install the gun onto the manifold See page 38 Barrel Removal See FIGURE 36 1 Prepare the gun for...

Страница 43: ...side motion free the power sup ply turbine assembly from the gun body 10 then carefully pull it straight out Smart models only disconnect the flexible circuit 30 from the socket at the top of the gun...

Страница 44: ...page 29 Turbine Removal and Replacement NOTE Replace turbine bearings after 2000 hours of operation Order Part No 24N706 Bearing Kit Parts included in the kit are marked with a symbol See FIGURE 38 t...

Страница 45: ...des must be oriented as shown in FIGURE 39 13 Carefully press the coil assembly 8a into the front of the housing 8d while aligning the pin on the coil with the slot in the housing The 3 wire connector...

Страница 46: ...Parts 46 333013B Parts Standard Pro Xp Auto Waterborne AA Gun Models HA1T18 Rear Manifold Torque to 20 in lbs 2 N m 1 1...

Страница 47: ...FITTING Adapter M12 TO 1 4 LH XP 1 24 24N644 RING retainer assy includes 24a 1 24a 198307 PACKING u cup UHMWPE 1 25 24N727 See Air Cap Assembly page 50 1 25a 24N643 ELECTRODE package of 5 1 26 24W389...

Страница 48: ...Parts 48 333013B Smart Pro Xp Auto Waterborne AA Gun Models HA1M18 Rear Manifold Torque to 20 in lbs 2 N m 1 1...

Страница 49: ...25 See Air Cap Assembly page 50 1 25a 24N643 ELECTRODE package of 5 1 26 24W388 COVER shroud Auto XP 1 27 114263 FITTING connector male 1 28 115950 FITTING connector 1 4npt M 5 16T 3 29 110465 SCREW s...

Страница 50: ...rt No Description Qty 3a 183459 GASKET tip not shown See page 46 5 25a 24N643 ELECTRODE package of 5 1 25b 24N734 O RING PTFE package of 5 also available in package of 10 order 24E459 1 25c AIR CAP 1...

Страница 51: ...24N707 HOUSING includes item 8f 1 8e FAN part of item 8b 1 8f CAP housing part of item 8d 1 8g 110073 O RING 1 8h 24N709 CLIP package of 5 one clip included with item 15b 1 9 24N699 GASKET barrel not...

Страница 52: ...Parts 52 333013B WB 3000 Isolation Enclosure Part No 24N550 Waterborne Isolation Enclosure includes items 201 206...

Страница 53: ...pt 2 257 101874 TERMINAL ring 5 258 116990 BOX control 1 259 113983 RING retaining 1 2 in 13 mm 1 260 237933 METER 0 90 kV 1 261 113336 ADAPTER 1 4 npt 1 262 SCREW pan hd 10 32 x 5 8 in 16 mm 4 263 SC...

Страница 54: ...Parts 54 333013B Tubing and Wiring Detail Views of Control Box Detail View of Door Interlock Switch C1 B3 C3 C4 C5 B2 E1 B4 C2 C9 C9 A1 A2 C2 B3 C8 A1 C1 C6 C3 C6 C7 C8 B5 B2...

Страница 55: ...m top of bleed resistor to meter C2 251 8 204 green yellow 14 gauge wire from inter nal box ground lug to cylinder cap C2 273 34 864 green yellow 10 gauge wire from exter nal ground lug to cart C4 239...

Страница 56: ...112698 ELBOW swivel 1 8 npt m x 1 4 in 6 mm OD tube 1 402 114158 FITTING adapter Y 1 4 in 6 mm OD tube mxfxf 1 403 193315 COLLAR mounting agitator 1 404 193316 NUT collar agitator 1 405 197298 COVER p...

Страница 57: ...r turning air to gun on or off Part No Description 224754 1 4 npsm m x 1 4 npsm f left hand thread Waterborne Fluid Hose 3000 psi Part No Description 24W599 25 ft 7 6 m 24W077 50 ft 15 2 m Part No Des...

Страница 58: ...Accessories 58 333013B Dimensions Rear Inlet Manifold 10 4 in 265 mm 11 0 in 279 mm 8 2 in 208 mm 2 6 in 66 mm 2 5 in 63 mm 2 9 in 73 mm 6 3 in 160 mm 2x 1 4 20 UNC 0 53in 13 5 mm...

Страница 59: ...10 0 0 3 13 0 0 4 211 311 411 511 611 711 0 013 0 330 13 0 0 4 16 9 0 5 213 313 413 513 613 713 813 0 015 0 381 17 0 0 5 22 0 0 7 215 315 415 515 615 715 815 0 017 0 432 22 0 0 7 28 5 0 85 217 317 41...

Страница 60: ...in 305 mm in mm at 600 psi 4 1 MPa 41 bar at 1000 psi 7 0 MPa 70 bar 6 8 150 200 8 10 200 250 10 12 250 300 12 14 300 350 14 16 350 400 16 18 400 450 Spray Tip 0 008 0 203 8 5 025 11 0 0 32 608 0 010...

Страница 61: ...28 MPa 2 8 bar 90 4 dB A at 0 7 MPa 7 bar 105 4 dB A Sound Pressure measured 1 m from gun at 40 psi 87 dB A at 100 psi 99 dB A at 0 28 MPa 2 8 bar 87 dB A at 0 7 MPa 7 bar 99 dB A Inlet Outlet Sizes...

Страница 62: ...al 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 cos...

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