Graco 25T991 Скачать руководство пользователя страница 15

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Troubleshooting

3A8476A

Troubleshooting

NOTE:

Pressure Relief Procedure

, page 12,

before checking or repairing the SST Switch 3D Gun.

Problem

Cause

Solution

Air leaks from SST Switch 3D Gun.

Worn gasket.

Replace gasket.

Loose or worn air connections.

Tighten air connections.

Worn O-rings.

Replace O-rings.

Loose end cap screws.

Tighten screws.

Material leaks from front of SST
Switch 3D Gun.

Tip seal or seats are worn.

Replace seat seals.

Replace nozzle head assembly

Replace rod shutoff valve.

Obstruction inside SST Switch 3D
Gun.

Remove nozzle head.

Material leaks from SST Switch 3D
Gun weep hole.

Seals not installed correctly.

Check rotary seals and replace as
needed.

Seals are worn.

SST Switch 3D Gun does not shut
off.

Loose air connections or air supply
turned off.

Tighten air connections and turn on
air.

Worn rod shutoff valve-seat
interface.

Replace nozzle head and rod
shutoff valve rod shutoff valve seat.

Broken piston, debris in air cylinder,
or debris inside the fluid section.

Disassemble SST Switch 3D Gun.
Check and if necessary replace,
piston, piston rod, and O-rings.

Spring broken or not installed
correctly.

Disassemble SST Switch 3D Gun.
Check spring and replace if
necessary.

SST Switch 3D Gun does not open
or dispense material.

Loose air connections or air supply
turned off.

Tighten air connections.

Broken rod, piston, or tip. Debris or
cured material inside fluid section.

Disassemble SST Switch 3D Gun.
Check and if necessary replace,
piston, piston rod, and O-rings.

Loosen the retaining set screws
located in the piston.

Confirm the piston rod is fully
inserted into the piston and tighten
set screws

Содержание 25T991

Страница 1: ...t approved for use in European explosive atmosphere locations See page 3 for model information including maximum working pressure Important Safety Instructions Read all warnings and instructions in th...

Страница 2: ...Spray Stream Adapter Kit 25U338 37 Nozzle Plug Kit 25U333 37 PCF to 3D Gun Cable Kit 25U441 37 Yearly Service Kit 25U328 38 Service Kit 25T485 38 Ball Shut Off Needle Kit 25U330 38 Bearing and Seals...

Страница 3: ...ort One Material No Recirculation No Sensors 5 Pin 0 45 75 25T992 B One Port One Material No Recirculation Temperature 5 Pin and 8 Pin 25T993 B One Port One Material No Recirculation Temperature and P...

Страница 4: ...ediately EQUIPMENT MISUSE HAZARD Misuse can cause death or 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...

Страница 5: ...ERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury including eye injury hearing loss inhalation of toxic fumes and burns Protective...

Страница 6: ...slot directions Due to its flexibility the SST Switch 3D Gun is designed for applications like Liquid Applied Sound Dampner LASD Underbody coating UBC Underbody sealing UBS Seam sealing ISS HEM The SS...

Страница 7: ...7 Component Identification Main Assembly Key A Nozzle Head and Material Tube Assembly B Lock Ring Assembly C Central Body Assembly D Connection Housing E Swivel Chamber F Rod Shutoff Valve and Air Cyl...

Страница 8: ...nce to ground exceeds 25 megohms replace the hose immediately Use a meter that is capable of measuring resistance at this level Fluid supply container Follow local codes Solvent pails used when flushi...

Страница 9: ...See LASD Nozzle Kit Assembly page No 35 or Spray Stream Nozzle Kits and Spray Stream Adapter Kit 25U338 page No 36 for nozzle type and size options LASD Nozzle Style Attachment NOTE See LASD Nozzle As...

Страница 10: ...7 PCF Installation NOTE The following installation is for SST Switch 3D Guns that use a Precision Continuous Flow Unit PCF See PCF to 3D Gun Cable Kit 25U441 on page 37 for parts 1 Remove the PCF cov...

Страница 11: ...ges to protect parts To avoid contamination with oil flush the SST Switch 3D Gun with a fluid that is compatible with the fluid being dispensed and the equipment wetted parts Leak Test and Priming for...

Страница 12: ...s compatible with the fluid being dispensed and the equipment wetted parts Setup 1 With the SST Switch 3D Gun fully primed and cable connections integrated into the robot control system the SST Switch...

Страница 13: ...intenance once every two years see page 38 Both of these kits are can be purchased through Graco 1 Dismount and disassemble the SST Switch 3D Gun See SST Switch 3D Gun Disassembly starting on page17 2...

Страница 14: ...00 psi Changing the tip size to reduce fluid velocity can have a substantial affect on wear Number of cycles This has a much greater affect on SST Switch 3D gun wear than number of gallons If you can...

Страница 15: ...oes not shut off Loose air connections or air supply turned off Tighten air connections and turn on air Worn rod shutoff valve seat interface Replace nozzle head and rod shutoff valve rod shutoff valv...

Страница 16: ...nect the 8mm air hose 4 Unplug the cable connectors by unscrewing the fitting on the 5 pin cable connector 1001 and 8 pin cable connector 1003 if fitted See FIG 10 5 Remove the screws that attach the...

Страница 17: ...ched by removing the two screws 615 with a hex key wrench 4 Remove the RTD sensor 609 pressure transducer 610 and 10mm washer seals 607 if equipped Washer seals should be replaced with new ones before...

Страница 18: ...ee M4 SHCS screws 401 with hex key wrench Loosen screws evenly because the cover is under spring 403 tension and could bind when removed 2 Loosen M3 set screws 405 three turns each and pull ball shut...

Страница 19: ...ressure on the internal seals and ease disassembly align access holes on the 3D center body 301 with the four M6 screws 503 and loosen the screws 4 Tap the 3D center body 301 out of the swivel housing...

Страница 20: ...o the larger bore end of the swivel housing assembly 511 until the support ring is square against the internal shoulder 2 Apply a thin coat of lithium grease onto the outside of the O ring on the rota...

Страница 21: ...rial support ring 509 See FIG 23 6 Install the O rings 505 and air seals 506 onto the air distribution ring bearing 504 See FIG 24 7 Apply a thin coat of lithium grease to the O rings 505 and insert i...

Страница 22: ...Apply medium strength threadlocker to the two M5 SHCS screws 203 and torque to 57 5 in lb 6 5 N m See FIG 27 Material Tube Assembly 1 Install adapter gasket 102 into the end of the center body 301 2 A...

Страница 23: ...rt and long bearing seal guides 413 and 414 and screw into the air cylinder housing 409 Torque to 15 ft lb 20 34 N m See FIG 30 6 Apply a thin coat of lithium grease to the ball shut off needles 418 a...

Страница 24: ...e onto the swivel housing 511 Apply thread locker to the four M5 SHCS screws 601 and torque to 57 5 in lb 6 5 N m 2 Apply a thin coat of lithium grease to the seal on the 1 8 in BSPP elbow fitting 512...

Страница 25: ...ashers 607 Install the sensors and torque to 15 ft lb 20 34 N m 7 Connect solenoid valve cable connections 617 and if equipped sensor wires from the RTD sensor 609 and or pressure transducer 610 to th...

Страница 26: ...off bearing 104 must towards the dispensing nozzles 2 Apply anti seize lubricant to the threads of the 3D long tube assembly 103 and the 3 head adapter assembly 105 3 Rest the turnbuckle locking nut...

Страница 27: ...e by opening each of the solenoid valves 613 manually The cable connections can be checked using an Ohm meter to test the connections from the plug to the terminals and to make sure that there are no...

Страница 28: ...e Head and Material Tube Assembly page No 29 B Lock Ring Assembly page No 30 C Central 3D Body page No 30 D Connection Housing page No 33 E Swivel Chamber page No 32 F Needle Shutoff Valve and Air Cyl...

Страница 29: ...ef Part Description Model Number 25T991 25T992 25T993 25T994 25T995 25T996 101 15N245 NUT turnbuckle locking 2 2 2 2 2 2 102 17V839 GASKET adapter 2 2 2 2 2 2 103 25U248 TUBE 3D long assembly 1 1 1 1...

Страница 30: ...ssembly 17V910 includes parts 17V817 and 117026 Central 3D Body Central Body List Ref Part Description Qty 201 17V910 RING lock assembly 1 202 17V817 WASHER 1 203 117026 SCREW M5x12 SHCS 2 Ref Part De...

Страница 31: ...1 403 17V830 SPRING 3 404 17V826 PISTON 3 405 129647 SCREW set sh cup M3X4mm SST 6 406 17V832 RING guide 3 407 17V812 O RING 3 408 108326 SCREW M5x20 3 409 25U247 HOUSING air cylinder 1 410 15N283 GA...

Страница 32: ...RING 4 506 17V855 SEAL air 4 507 17V825 RING distributor weepage 1 508 17V895 SEAL rotary 2 509 15N116 RING distributor material 1 510 17V827 RING support 1 511 15N113 HOUSING swivel assy 1 512 17V81...

Страница 33: ...Parts 3A8476A 33 Connection Housing 601 602 603 519 605 605 606 607 607 608 610 609 611 612 613 614 615 616 617...

Страница 34: ...COVER side blue 2 2 2 2 2 2 606 17V844 COVER top blue 1 1 1 1 1 1 607 17V808 SEAL washer 10MM 1 1 2 1 1 2 608 17V795 SCREW hex head cap M10x12 SST 1 1 609 18C869 SENSOR RTD 1 1 1 1 610 18C870 TRANSDU...

Страница 35: ...the locating pin in the housing nozzle 3 Place the clamp 702 with the fluid passage notch facing the fluid passageway and tighten down with two M4 SHC screws 701 Torque to 29 2 in lb 3 3 N m See FIG...

Страница 36: ...ng FIG 41 Part Number Description Slot Width 15N118 15N119 15N120 15N121 25U331 Nozzle Assembly 0 4mm 0 4mm 2 1 1 25U332 Nozzle Assembly 0 5mm 0 5mm 2 1 701 702 703 704 705 703 Slot Width 704 Ref Part...

Страница 37: ...ription Qty 901 15N229 NUT retaining 1 902 25U305 ADAPTER nozzle sealer spray assembly 1 707 133267 O RING 7MM ID X 1 5MM TH FKM 75A 2 Ref Part Description Qty 901 15N229 NUT retaining 1 903 15N318 PL...

Страница 38: ...off 1 202 17V817 WASHER 1 406 17V832 RING guide 3 407 17V812 O RING 3 410 15N283 GASKET air 3 411 17V813 PACKING needle 9 412 15N249 BEARING upper 3 415 556554 O RING 011 viton A 75 duro 3 416 555681...

Страница 39: ...5N265 Material Seal Insertion Removal Tool 17V972 Material Seal Insertion Removal Tool Part List 17V972 Ref Part Description Qty 411 17V813 PACKING needle 9 412 15N249 BEARING upper 3 417 15N250 BEARI...

Страница 40: ...ealer See FIG 42 600 000 centipose Specific gravity 0 82 The graph below shows a fixed flow rate of 9 4 cc sec and a fixed robot speed of 300 mm sec FIG 42 22 00 20 00 21 00 19 00 18 00 17 00 16 00 0...

Страница 41: ...sus Spray Stream Style Nozzle Sizes graph See FIG 42 Pressure data may be useful when choosing a tip size due to the pressure limitation of the metering equipment See FIG 43 FIG 43 2 000 1 400 1 600 1...

Страница 42: ...rap air in between the bead and the metal surface which could result in moisture penetrating between the layers See FIG 45 Your results may vary Heat curing may reduce this effect FIG 44 30 15 20 10 5...

Страница 43: ...Nozzle 25U016 NOTE Typical robot speed is 300mm sec Bead Thickness is determined by robot speed FIG 46 125 105 115 95 85 75 65 3000 cc m in 135 145 45 55 65 75 85 95 105 115 125 3000 cc m in 3000 cc...

Страница 44: ...zle The width of the bead is consistent with the height above the surface The thickness of the bead depends on the speed of the robot See FIG 48 FIG 47 125 105 115 95 85 75 3000 cc m in 135 145 45 55...

Страница 45: ...h LASD Nozzles 14 in 355 6 mm 4 5 in OD 115 mm 19 64 in 498 9 mm 4 88 in 124 mm 1 28 in 35 2 mm 2 50 in 63 5 mm FIG 50 Side View Typical for 25T991 25T992 25T993 25T994 25T995 25T996 With Spray Stream...

Страница 46: ...ns 46 3A8476A FIG 51 Robot Mounting Flange Typical for all SST Switch 3D Guns 1 65 in 42 mm 120 40 4 mm dia M6 THRU 3 Holes EQ SP on 103 mm dia BC 4 05 mm dia 0 03 2 Holes on 105 mm dia BC 4 45 in dia...

Страница 47: ...ellow 3 3 Green 4 2 Brown 5 8 Red 6 1 White 7 7 Blue 8 5 Grey 9 3 Blue 10 2 White 11 1 Brown 12 4 Black 13 4 Black 14 4 Black 1 2 3 4 5 6 7 8 9 10 11 12 13 14 T1 2 3 4 5 X1 1 2 3 4 5 6 7 8 X2 1 Pin No...

Страница 48: ...for 25T991 and 25T994 NOTE See Electrical Components page 51 for specifications FIG 53 Schematic for 25T991 and 25T994 T1 T1 1 2 3 4 5 Y1 Y2 Y3 Y1 Y2 Y3 X1 X1 11 10 9 12 13 14 solenoid solenoid soleno...

Страница 49: ...mponents table page 51 for specifications FIG 54 Schematic for 25T992 25T993 25T995 and 25T996 T1 3 4 3 2 1 8 1 2 6 4 5 6 X2 Y3 Y2 Y1 T1 X1 X2 T1 7 5 7 8 RED RED T1 1 2 3 4 5 Y1 Y2 Y3 X1 11 10 9 12 13...

Страница 50: ...equirement M 2 5 screw 7 1 in lb 0 8 N m M 3 Screw 12 in lb 1 35 N m M 4 Screw 29 2 in lb 3 3 N m M 5 Screw 57 5 in lb 6 5 N m M 6 Screw 98 2 in lb 11 1 N m M 8 Screw 235 4 in lb 26 6 N m 1 2 in BSPP...

Страница 51: ...65 Part Number Description Electrical Rating 17V829 Sensor Temperature 100 ohm platinum rtd sensor 15N089 Transducer 350 bar 5000 psi 10 30 Vdc input 0 5 to 4 5 Vdc output 17V890 Solenoid 24 Vdc 2 88W...

Страница 52: ...e 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 LI...

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