Nordson Spectrum VT Feed Center Product Manual Download Page 75

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Repair

7-11

Part 1611362

−

2018 Nordson Corporation

Pinch Valve Replacement

NOTE:

The figures in the

Pinch Valve Replacement

procedure may look

different than the Spectrum VT pinch valve blocks.

CAUTION:

Before placing the pinch valve body in a vise, pad the jaws.

Tighten the vise only enogh to hold the pinch valve block firmly. Failure to

observe may result in damage to the pinch valve block.

See Figure 7-1 1.

The word

is written on the top flanges of the pinch valves.

The side of the pinch valve block has four air passages sealed with

O-rings.

Figure 7-11 Top of Pinch Valve

Summary of Contents for Spectrum VT Feed Center

Page 1: ...CORPORATION AMHERST OHIO USA For parts and technical support call the Industrial Coating Systems Customer Support Center at 800 433 9319 or contact your local Nordson representative This document is s...

Page 2: ...Notice This is a Nordson Corporation publication which is protected by copyright Original copyright date 2018 No part of this document may be photocopied reproduced or translated to another language...

Page 3: ...Change Record i Part 1611362 01 E 2018 Nordson Corporation Change Record Revision Date Change 01 06 18 New Release...

Page 4: ...Change Record ii Part 1611362 01 E 2018 Nordson Corporation...

Page 5: ...ps 2 4 Spectrum Hopper 2 5 VT Inline Powder Feed Pump 2 6 Optional Component List 2 7 Sieve Screens 2 7 Electrical and Pneumatic Controls 2 8 Specifications 2 10 Size and Weight 2 10 Electrical Requir...

Page 6: ...ndicator Definitions 4 9 Begin the Color Change Procedure 4 9 Prepare for Hopper Purge 4 10 Move the Reclaim Hose 4 11 Clean the Booth 4 11 Clean the Cyclone Pan 4 12 Return to the Feed Center 4 12 Bl...

Page 7: ...te Installation 7 16 Adjusting the Clamp Handle 7 17 Hopper 7 18 Level Sensors 7 18 Sieve Screen 7 18 Dump Valve Sleeve 7 20 Parts 8 1 Introduction 8 1 Using the Illustrated Parts List 8 1 Feed Center...

Page 8: ...Table of Contents vi Part 1611362 01 E 2018 Nordson Corporation...

Page 9: ...and regulations and are physically capable of performing their assigned tasks Intended Use Use of Nordson equipment in ways other than those described in the documentation supplied with the equipment...

Page 10: ...ces S To prevent injury be aware of less obvious dangers in the workplace that often cannot be completely eliminated such as hot surfaces sharp edges energized electrical circuits and moving parts tha...

Page 11: ...ed S There is a possible ignition potential from the charged human body Personnel standing on a painted surface such as an operator platform or wearing non conductive shoes are not grounded Personnel...

Page 12: ...Safety 1 4 Part 1611362 01 E 2018 Nordson Corporation...

Page 13: ...and electrical pneumatic controls via a touch screen operator interface The Spectrum VT provides quick color changes and automatic purge cleaning The VT hopper receives reclaimed and fresh powder The...

Page 14: ...cleans the sieve section and hopper itself leaving minimal cleaning for the operator The reclaim and fresh powder transfer pumps can be purged manually as required The Spectrum VT feed center require...

Page 15: ...tion duct 2 Stack sleeve 3A Manual air spray gun high pressure 3B Manual air spray gun low pressure 4 Hopper fluidizing gauge 5 Hopper fluidizing regulator 6 Spectrum hopper 7 Waste powder ports 8 Vib...

Page 16: ...er into the system from a box drum unloader or both NOTE Generally there is one fresh powder transfer pump with the 300 mm hopper and there are two fresh powder transfer pumps with the 425 mm hopper T...

Page 17: ...Spectrum Hopper See Figure 2 3 The Spectrum hopper has 12 mm tubing connections 10014043 2 1 3 5 4 6 8 7 Figure 2 3 VT Hopper 1 Fresh powder inlet 2 Reclaim powder inlet 3 Sieve screen 4 Lid latch 5...

Page 18: ...igure 2 4 SpectrumR VT inline powder pumps are used in powder feed centers to draw powder from a container atomize the powder stream and transfer it to powder spray guns The pumps can be used with 11...

Page 19: ...screen conditions the powder received from the transfer pumps before delivery to the spray guns The sieve screens are offered in a range of sizes varying by microns Table 2 1 Sieve Screens Part Number...

Page 20: ...ols See Figure 2 5 and Figure 2 6 NOTE For electrical requirements for the Spectrum feed center refer to page 2 11 PD18838_08 1 3 4 5 2 Figure 2 5 Electrical and Pneumatic Controls 1 of 2 1 Light towe...

Page 21: ...View 7 8 6 9 10 11 13 14 A A 15 12 Figure 2 6 Electrical and Pneumatic Controls 2 of 2 6 Lower valve pack pinch select 7 AC junction box 8 DC junction box 9 Large pneumatic damper 10 Small pneumatic d...

Page 22: ...nent or Configuration Weight Standard Configuration 1150 lb 523 kg Large Configuration 1350 lb 612 kg Feed Center Controller 435 lb 197 kg 1859 mm 2526 mm 99 in SHIPPING 3131 mm 123 in 2298 mm 1698 mm...

Page 23: ...ption at 6 9 bar 100 psi Normal Operation System 15 SCFM 25 5 m3 hr Per Pump 4 SCFM 6 8 m3 hr Maximum 200 SCFM 339 8 m3 hr Note Maximum reached during color change The air must be clean and dry Use a...

Page 24: ...Description 2 12 Part 1611362 01 E 2018 Nordson Corporation...

Page 25: ...nel to complete Upon receipt unpack the Spectrum VT feed center carefully to avoid damage Immediately report any damage to the shipper and to your Nordson representative Save packing materials for pos...

Page 26: ...nter See Figure 3 1 Anchor the feed center to the floor using three concrete anchors not supplied as required by local codes using the mounting locations as shown PD19386 877 mm 35 in 677 mm 27 in 3x...

Page 27: ...ction point on the feed center controller using provided hardware PD19386 Top View Mounting Brackets Figure 3 1 Mounting Feed Center Controller Extraction Duct Connection Install ductwork subassembly...

Page 28: ...size location and volume required please refer to Air Requirements on page 2 11 and pneumatic drawing or contact your Nordson representative Clean dry compressed air should be supplied from a refrige...

Page 29: ...WARNING Allow only qualified personnel to perform the following tasks Follow the safety instructions in this document and all other related documentation See Figure 4 1 The Spectrum VT feed center has...

Page 30: ...Operation 4 2 Part 1611362 01 E 2018 Nordson Corporation Controls Home Screen See Figure 4 2 and refer to Table 4 1 5 3 4 2 6 20 7 8 10 9 12 13 14 18 17 19 15 16 1 11 Figure 4 2 Home Operation Screen...

Page 31: ...hange process Press to clear or reset timer 9 Bulk Fresh Powder Indicates the bulk fresh powder transfer pump or the secondary fresh powder transfer pump has been enabled in the configuration 10 Vibra...

Page 32: ...or more of the powder level sensors in the hopper are not functioning properly Check sensor connections mounting and sensing face Level Probe Signaling Error LowPowderInHopper Low powder sensor level...

Page 33: ...ed on in turn activating the sieve operation and the powder level is below the high level sensor The reclaim transfer pump automatically turns on after 60 seconds following a color change unless it is...

Page 34: ...r detects powder the fresh powder transfer pump is turned off IF the level sensor detects no powder for more than three minutes field adjustable the low powder alarm turns on The sensing distance can...

Page 35: ...operly VT Inline Powder Feed Pump Operation WARNING All conductive equipment in the spray area must be connected to a true earth ground Ungrounded or poorly grounded equipment can become electrically...

Page 36: ...reen shots show the color change procedure using a powder box Any differences in procedure for a drum unloader will be noted in the text of that particular step Prepare for the Color Change Procedure...

Page 37: ...Active step in color change Yellow Slow Flash 1 second pause Completed step in color change Yellow Fast Flash 1 2 second pause Running fault related to low powder vibratory table ultrasonic sieve or...

Page 38: ...hen the spray guns are purged and the previous steps are completed NOTE Long pick up tubes are used in conjunction with a Nordson drum unloader or other third party bulk unloading systems Short pick u...

Page 39: ...hose is moved Figure 4 8 Move the Reclaim Hose Clean the Booth See Figure 4 9 A countdown timer will begin to indicate when the hopper is empty of all powder 1 Blow off the door sills at the entry of...

Page 40: ...e bottom flange of the cyclone 3 Lock the transfer pan in the Open position 4 Blow off the manual spray gun sleeve and nozzle 5 Select the check mark when these steps are completed Figure 4 10 Clean t...

Page 41: ...omplete and the box or bin is removed Figure 4 12 Blow off the Pick Up Tube Arm Move the Fresh Powder Hose See Figure 4 13 1 Move the fresh powder hose yellow from the hopper to the waste port Both th...

Page 42: ...he timer times out and the operator is notified 1 Lift the hopper lid 2 Remove blow off and hang the sieve 3 Remove and blow off the stack sleeve 4 Blow off all critical points noted in Figure 4 14 5...

Page 43: ...Figure 4 15 1 Move the reclaim green and fresh powder yellow hoses back to the hopper 2 Replace the stack sleeve and lock it in the Paint Mode position 3 Replace the sieve 4 Close the hopper lid 5 Sel...

Page 44: ...ow off the upper section of the cyclone 4 Swing the lower section of the cyclone down and latch it closed 5 Swing the transfer pan down and latch it closed 6 Close the cleaning duct slide gate 7 Open...

Page 45: ...l the hopper with the new powder color 3 Once the screen shows the hopper is full begin spraying the new powder color NOTE Within 60 seconds the reclaim transfer pump will automatically be turned on I...

Page 46: ...ransfer Pump Configuration Table 4 2 Transfer Pump Configuration Callout Description 1 Reclaim transfer pump purge duration time 2 Fresh powder transfer pump purge duration time 3 OFF time of the fres...

Page 47: ...starts when low level powder sensor detects no powder during color change 2 Hopper empty delay time to open dump valve when hopper clean empty mode is activated 3 Hopper cylinder OFF time disengaged d...

Page 48: ...HD for high density pumps 3 Number of spray gun pumps in the feed center 4 1st pump location determines if 1st pump starts from the left or from the right 5 Switch to enable if the system is using a...

Page 49: ...ration Callout Description REMOTE Indicator turns green when controlled from remote PLC NO CONVERTER Indicator turns green when sieve cable is not connected ALARM Indicator turns green if fault is det...

Page 50: ...perations See Figures 4 22 and 4 23 The Manual Controls and Input Monitor screens allow for manual operation of the feed center functions These operations are only active when these screens are open F...

Page 51: ...but do not install a new powder source or turn On the pumps sieve or vibratory table 3 If the powder feed center will be shut down for maintenance repair or an extended period of time perform the fol...

Page 52: ...Operation 4 24 Part 1611362 01 E 2018 Nordson Corporation...

Page 53: ...assemble and clean the sieve and screen Inspect the sieve screen and replace it if powder is fused to it or it is damaged Cables Tubing and Feed Hoses Check all external cables powder hoses and air tu...

Page 54: ...ded Cleaning Procedure Nordson Corporation recommends using an ultrasonic cleaning machine and Oakiter BetaSolv emulsion cleaner to clean powder pumps 4 Fill an ultrasonic cleaner with BetaSolv or an...

Page 55: ...in this document and all other related documentation These troubleshooting procedures cover only the most common problems If you cannot solve a problem with the information given here contact your loc...

Page 56: ...idge filters Replace the final filters Fan start stop button or wiring defective Check the fan motor control circuits main system electrical panel Fan motor overload tripped Overload occurs when the m...

Page 57: ...Check the cartridge filter gaskets and media for damage Replace filters as necessary Cross drafts interfering with exhaust fan draw Check for cross drafts at the enclosure opening Eliminate or divert...

Page 58: ...powder Increase or decrease the transfer rate The powder supply should be no more than three parts reclaim to one part fresh powder Uneven distribution of powder in feed source Check the powder and t...

Page 59: ...im or Fresh powder transfer pump turned on but pump does not run E Stop button pressed Reset the E Stop button Afterfilter exhaust fan not running or fan interlock circuit defective Turn on the exhaus...

Page 60: ...Refer to level sensor documentation Level sensor failed or wiring defective Check level sensor and wiring Repair or replace as needed 20 Reclaim and or Fresh powder transfer pump purge cycle does not...

Page 61: ...iating color change sequence Check PLC operation Contact your Nordson representative or technical support center for help Parts still in booth Control system tracks parts through booth and will delay...

Page 62: ...d check wiring and connections to sensor Reciprocator not at Park position Reciprocator must be at Park position for spray guns to be in position for gun blowoff Blowoff will not start until Park posi...

Page 63: ...primarily for use with the Nordson drum unloader Its purpose is to control the vibratory motor on the drum unloader and it cycles on and off with the fresh powder transfer pump s Use Nordson drum unl...

Page 64: ...Troubleshooting 6 10 Part 1611362 01 E 2018 Nordson Corporation...

Page 65: ...ard 3 Disconnect the hose from the throat holder 5 4 Remove the clamp bar 4 5 Wiggle and pull the pump 6 to remove it from the manifold block 7 NOTE When disconnecting before a purge the powder port m...

Page 66: ...ordson Corporation 3 5 6 4 2 1 7 8 2 1 Figure 7 1 Removing and Installing Inline Powder Pumps 1 Atomizing air fitting 2 Flow rate air fitting 3 Wear piece 4 Clamp bar 5 Throat holder 6 Inline powder p...

Page 67: ...r damage Replace any worn or damaged parts 3 Install the new throat 2 into the throat holder 4 then push the throat holder into the pump body 1 with a slight twisting motion 4 Install the nut 5 over t...

Page 68: ...3 injector adapter 4 and all four O rings 5 6 for wear or damage Replace any damaged or worn parts 4 Install two O rings 6 onto the injector 3 then press the injector into the pump body 2 making sure...

Page 69: ...3 6 2 6 3 2 1 3 Figure 7 3 Injector Removal and Installation 1 Injector tool 2 Pump body 3 Injector 4 Injector adapter 5 O ring 0 627 ID x 0 080 W 6 O ring 0 489 ID x 0 070 W Note All O rings are cond...

Page 70: ...4 Unscrew the socket head cap screw 1 to remove the siphon block 2 from the pump manifold 3 Retain socket head cap screw for reassembly NOTE The siphon block 2 can be removed from the pump manifold 3...

Page 71: ...ation 5 4 Figure 7 5 Removing Bottom Siphon Block Plate 3 See Figure 7 6 Remove three cap screws 6 from each middle siphon block 8 to remove the middle siphon blocks from the pinch valve blocks 7 6 7...

Page 72: ...ocks from each other 6 8 Figure 7 7 Separating Middle Siphon Blocks 5 See Figure 7 8 Wiggle the screw driver back and forth to remove the fluid tubes 9 NOTE Observe the orientation of the fluid tube d...

Page 73: ...ove the two O rings 12 from each middle block NOTE Figure 7 9 only shows two of the four fittings and check valves to be removed NOTE See Figure 7 10 Note the difference between a middle block populat...

Page 74: ...of the fluid tubes is critical The longer end of the fluid tube must be inserted into the middle blocks 5 See Figure 7 7 Using a 4 mm Allen wrench insert three cap screws 6 into the tapped side of th...

Page 75: ...ocks CAUTION Before placing the pinch valve body in a vise pad the jaws Tighten the vise only enogh to hold the pinch valve block firmly Failure to observe may result in damage to the pinch valve bloc...

Page 76: ...pull the rest of the pinch valve out of the top of the valve body Figure 7 12 Pinch Valve Removal Pinch Valve Installation See Figure 7 13 1 Insert the pump pinch valve tool through one of the valve c...

Page 77: ...tool until the end of the pinch valve is inside the valve body Pinching Flat Pinch Valve Up Flange Pulling Pinch Valve into Valve Body Figure 7 14 Pinch Valve Installation 2 of 4 See Figure 7 15 4 Co...

Page 78: ...gure 7 16 5 Pull the pinch valve bottom flange away to check the alignment of the valve ribs with the square grooves in the valve body Pull and twist the pinch valve to align the ribs with the grooves...

Page 79: ...lized If the manifold is populated for less than six pumps blanking plates must be used in order to block powder from contaminating unoccupied pump ports NOTE The blanking plate placement is specified...

Page 80: ...he assembly 3 Insert the 65 mm button head cap screw 4 through the top of the blanking plate 4 From the bottom side of the pump manifold the washer 6 slides onto the 65 mm button head cap screw 4 and...

Page 81: ...Repair 7 17 Part 1611362 01 E 2018 Nordson Corporation Adjusting the Clamp Handle See Figure 7 20 2 1 3 Figure 7 19 Clamp Handles...

Page 82: ...sensor 5 Place hand in front of sensor to ensure the controller screen reads the sensor PD19386 Sensors Figure 7 20 Level Sensors Sieve Screen See Figure 7 21 1 Open the control panel and shut off the...

Page 83: ...er Sieve Sieve Assembly Generator Sieve Screen Converter C L 5 3 4 2 1 LNK ACT LNK ACT LNK ACT LNK ACT LNK ACT 105TX SL SPD SPD SPD SPD SPD 12 14 A1 A2 11 12 14 A1 A2 11 12 14 A1 A2 11 REPLACE IF LIGH...

Page 84: ...astic lock nut 1 3 Remove the metal cover 2 by taking off the six nuts 7 4 Disconnect the air supply tube 9 5 Use the special tool to remove the upper pinch valve nut 8 to allow the assembly to drop 6...

Page 85: ...poration 1 2 3 4 5 6 7 8 9 Lubricate Use special tool Figure 7 22 Dump Valve Sleeve Replacement 1 Plastic lock nut 2 Metal cover 3 Lower pinch valve nut 4 Outlet adapter 5 Pinch valve body 6 Sleeve 7...

Page 86: ...Repair 7 22 Part 1611362 01 E 2018 Nordson Corporation...

Page 87: ...escription column gives the part name as well as its dimensions and other characteristics when appropriate Indentions show the relationships between assemblies subassemblies and parts S If you order t...

Page 88: ...79 1 ON OFF E STOP C L 5 3 4 2 1 LNK ACT LNK ACT LNK ACT LNK ACT LNK ACT 105TX SL SPD SPD SPD SPD SPD 12 14 A1 A2 11 12 14 A1 A2 11 12 14 A1 A2 11 REPLACE IF LIGHT RESET RESET SEE INSTRUCTIONS GFCI FL...

Page 89: ...25 DISPLAY programmed Spectrum PFC 1 2 1610136 PLC programmed Spectrum PFC 1 3 1611541 CONTROLLER ultrasonic generator 50W US 1 NS 1608989 CABLE feed center 52 FCDC2 3 m plug n spray 1 NS 1608988 CABL...

Page 90: ...Parts 8 4 Part 1611362 01 E 2018 Nordson Corporation Hopper 10014043 4 5 7 8 6 1 2 3 Figure 8 2 Controller...

Page 91: ...S 1609234 GASKET sieve lower 300 mm Spectrum PFC 1 NS 1610406 GASKET sieve lower 425 mm Spectrum PFC 1 NS 1610346 PLUG pump hopper 12 mm VT AR NOTE A Special tool kit 1610701 is required when replacin...

Page 92: ...Number Size Microns Wire Diameter 768675 300 mm 300 0 065 mm 768676 250 0 100 mm 768677 200 0 090 mm 768678 160 0 100 mm 1610110 300 0 112 mm 1612914 500 0 160 mm 1612915 425 mm 500 0 160 mm 1610111 3...

Page 93: ...ol Upper Y Manifold Kit 1057269 Includes 1 manifold and 2 O rings Check Valve Service Kit 1078161 Quantity of 2 Check Valve Upgrade Kit 1080160 Includes 2 connectors 2 check valves 2 plugs 6 O rings U...

Page 94: ...1 1 1088590 S S O RING silicone conductive 627 x 080 1 2 1608596 S S ADAPTER threaded inline pump 1 3 940147 S S O RING silicone conductive 500 x 625 5 4 1600594 S S INJECTOR machined inline pump Enco...

Page 95: ...01 E 2018 Nordson Corporation Options 1 2 3 Figure 8 5 Options See Figure 8 5 Item Part Description Quantity Note 1 1095910 THROAT pump Encore Gen II PTFE 1 2 152999 WRENCH 1 3 1097913 TOOL extractio...

Page 96: ...Parts 8 10 Part 1611362 01 E 2018 Nordson Corporation Pump Manifold Siphon Block 1 2 3 4 5 6 7 12 7 11 5 13 9 10 8 Figure 8 6 Dual Pump Siphon Block...

Page 97: ...30 S TUBE FITTING male 12 mm R 3 8 2 9 900742 S TUBING polyurethane 6 4 mm blue 67 mm 6 900741 S TUBING polyurethane 6 4 mm black 67 mm NS 1609186 S TOOL pump manifold Spectrum VT 1 NS Not Shown VT Si...

Page 98: ...p Siphon Block Assembly Package Item Part Description Quantity Note 1609156 SIPHON BLOCK 1 pump Spectrum VT assembly packaged 1 2 S SIPHON BLOCK 1 pump assembly 1 3 S CAP SCREW socket head M10x1 5 180...

Page 99: ...Diagrams 9 1 Part 1611362 01 E 2018 Nordson Corporation Section 9 Diagrams Description Part Number Spectrum PFC NAD Panel 10015179 Spectrum VT PFC Pneumatic Schematic 10015942...

Page 100: ...Diagrams 9 2 Part 1611362 01 E 2018 Nordson Corporation...

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