Nordson SEE-FLO 7 Customer Product Manual
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Nordson SEE-FLO 7 Customer Product Manual

Nordson SEE-FLO 7 Customer Product Manual

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CUSTOMER PRODUCT MANUAL
COMPONENT MANUAL P/N: 74
ISSUED /20
For parts and technical support, call the Nordson Sealant Equipment customer support at
(
) 4 -
, or contact your local Nordson Sealant Equipment Representative.
This document is subject to change without notice.
Please check with customer service for the latest version.
Nordson Sealant Equipment٠
, Michigan٠U.S.A

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Summary of Contents for Nordson SEE-FLO 7

  • Page 1 CUSTOMER PRODUCT MANUAL COMPONENT MANUAL P/N: 74 ISSUED /20 For parts and technical support, call the Nordson Sealant Equipment customer support at ) 4 - , or contact your local Nordson Sealant Equipment Representative. This document is subject to change without notice.
  • Page 2 Nordson Corporation. Notice This is a Nordson Corporation publication which is protected by copyright. All other trademarks are the property of their respective owners. Original copyright date 08/2016. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Nordson Corporation.

  • Page 3: Table Of Contents

    High Volume Metering Cylinder Parts Illustration ..High Volume Metering Cylinder Service Kit ... . . Part 7446077 E 2020 Nordson Corporation...
  • Page 4 ....Metering Cylinder Service Tools Part List ....E 2020 Nordson Corporation Part 7446077...

  • Page 5: Safety

    Allow only qualified personnel to perform the tasks outlined in this manual. Intended Use Use of Nordson equipment in ways other than those described in the documentation supplied with the equipment may result in injury to persons or damage to property.

  • Page 6: Regulations And Approvals

    Regulations and Approvals Make sure all equipment is rated and approved for the environment in which it is used. Nordson equipment warranties may be voided if instructions for installation, operation, and service are not followed. All phases of equipment installation must comply with all federal, state, and local codes.

  • Page 7: High−Pressure Fluids

    The treatment that doctors recommend for an injection injury to the hand includes immediate decompression of the closed vascular compartments of the hand to release the underlying tissue distended by the injection material, judicious wound debridement, and immediate antibiotic treatment. Part 7446077 E 2020 Nordson Corporation...

  • Page 8: Fire Safety

    Clean, maintain, test, and repair equipment according to the instructions in your equipment documentation. Use only replacement parts that are designed for use with original equipment. Contact your Nordson Representative for parts information and advice. Be sure to have a fire extinguisher on hand. Ensure ventilation is adequate and follow all other safety guidelines as recommended by the chemical manufacturer.

  • Page 9: Action In The Event Of A Malfunction

    A wide variety of dispense valves are available for integration with this system so that it may be tailored to suit a vast array of applications. Many types of supply equipment are compatible with this equipment, ranging from gravity feed to pressure vessels and pumps. Part 7446077 E 2020 Nordson Corporation...

  • Page 10: Theory Of Operation

    As a result, half of the fluid refills the upper cavity and the other half exits the discharge port of the metering cylinder. E 2020 Nordson Corporation Part 7446077...
  • Page 11 Movement of the fulcrum bar causes a pumping action to occur within the fixed and ad- justable metering cylinder. Air cylinder Dispense valve Fulcrum Fixed metering cylinder Adjustable Metering cylinder Figure 1 See−Flo 7 Major Components Part 7446077 E 2020 Nordson Corporation...

  • Page 12: Consumable Items And Component Cleaning

    Used for all air fittings. PTFE thread seal tape Pneumatic section thread sealer. Used for all air fittings. Seal Sav’r Oil (optional) 7428656 Added to packing nut (wet cup) to ensure lubrication of metering cyl- inder wearable components. E 2020 Nordson Corporation Part 7446077...

  • Page 13: Component Cleaning

    Relieve air and material pressure when equipment is not in use for prolonged periods of time. Do not allow pressure to remain static when equipment is idle as this may cause material to pack and harden. Part 7446077 E 2020 Nordson Corporation...
  • Page 14 Always listen for air leaks, keep your work area clean of material, and check with the material supplier for specific cleaning procedures for the material being utilized. E 2020 Nordson Corporation Part 7446077...
  • Page 15 Seal Sav’r oil. Tighten packing Inspect: 5 Min. ● nut (1/4) turn Replace: Up to 30 Min. clockwise to com- pensate for seal wear if leaks of material are ob- served. Part 7446077 E 2020 Nordson Corporation...

  • Page 16: Operation

    Initial priming will prime the system up to the last point in the fluid circuit. This is the point where fluids pass through the last component of the system in which they are isolate from one another (examples: ratio check assembly or dispense valve). E 2020 Nordson Corporation Part 7446077...

  • Page 17: Ratio Check Assembly

    The system must be cycled and the ratio adjusted. Refer to Startup, Operation, And Shut Down, Ratio Adjustment for additional information regarding ratio adjustment. Part 7446077 E 2020 Nordson Corporation...

  • Page 18: Ratio Adjustment

    6. Tighten the wing bolt and then the locking bolts. 7. Restore electrical power and air/material pressure. 8. Take several ratio samples after fluid pressures have stabilized and verify the desired ratio has been obtained. E 2020 Nordson Corporation Part 7446077...

  • Page 19: Dispensing Mixed Materials

    CAUTION: Be sure to utilize waste containers to collect dispensed fluid. 9. Start dispensing materials by actuating the dispense actuator, then opening the mix manifold inlet ball valves. Part 7446077 E 2020 Nordson Corporation...

  • Page 20: Shutdown

    NOTE: If the ratio check assembly is not equipped with bleed screws, slowly unscrew the pressure gauges from the manifold to release entrapped air. 8. Replace the bleed screws or pressure gauges. E 2020 Nordson Corporation Part 7446077...

  • Page 21: Troubleshooting

    NOTE: These troubleshooting procedures cover only the most common problems. If you cannot solve a problem with the information provided here, contact your local Nordson Representative for assistance. Part 7446077 E 2020 Nordson Corporation...
  • Page 22 Dispense valve Repair or replace directional valve directional valve malfunction Dispense valve Repair or replace dispense valve malfunctioning Air cylinder damaged Rebuild or replace air cylinder Meter linkage Correct linkage connections disconnected E 2020 Nordson Corporation Part 7446077...
  • Page 23 Repair or replace one way check valves. Poor Mix check valve malfunctioning Cured mixed material in Clean or replace mix manifold. mix manifold Insufficient mixing Increase mixing elements. elements Adjust ratio Meter off ratio Part 7446077 E 2020 Nordson Corporation...
  • Page 24 Correctly rebuild foot valve spring assembly. assembly not assembled correctly Metering cylinder bore Replace metering cylinder housing damaged or worn by abrasives Seal leakage Replace leaking seals Piston check valve Replace check valve / Clear check valve obstruction. malfunction E 2020 Nordson Corporation Part 7446077...
  • Page 25 Air cylinder damaged Rebuild or replace air cylinder Meter linkage Correct linkage connections disconnected Metering cylinder bore Replace metering cylinder body. damaged by abrasives Piston check valve components worn or Repair or replace components. damaged Part 7446077 E 2020 Nordson Corporation...
  • Page 26 Increase fluid supply pressure or decrease meter cycle Cavitation rate. Pitting of Metering Cylinder Housing Bore Corrosives present in Remove corrosive elements or select metering cylinder fluid which will handle material with corrosive substances. E 2020 Nordson Corporation Part 7446077...

  • Page 27: Repair

    5. Remove fulcrum bar bolts (5) and loosen lock nuts (3). See Figure 2. NOTE: Loosen lock nuts on both sides of fulcrum bar. 6. Position fulcrum bar (4) aside to allow it to clear the air cylinder assembly (2). See Figure 2. Part 7446077 E 2020 Nordson Corporation...
  • Page 28 See Figure 2. WARNING: Be sure to support the air cylinder assembly as the pillow bearings are removed to avoid personal injury and prevent damage to equipment. 8. Remove tie rods from cylinder housing. E 2020 Nordson Corporation Part 7446077...
  • Page 29 It may be necessary to place connecting rod in vise, or other suitable fixture to facilitate removal of piston rod. Piston rod wrench flat Connecting rod Figure 3 Piston Rod Separation From Connecting Rod Part 7446077 E 2020 Nordson Corporation...

  • Page 30: Metering Cylinder Assembly Replacement

    Disconnect and lock out power to the meter prior to servicing system components. 1. Remove material inlet and outlet fittings and/or lines from the metering cylinder. Figure 4 Material Fitting/Line Removal (1 of 2) E 2020 Nordson Corporation Part 7446077...
  • Page 31 See−Flo 7 Dispenser Figure 5 Material Fitting/Line Removal (2 of 2) 2. Disconnect metering rod from connecting rod. Figure 6 Metering Rod Removal From Connecting Rod Part 7446077 E 2020 Nordson Corporation...
  • Page 32 See−Flo 7 Dispenser 3. Remove nut and lock washer from tie rods. Figure 7 Nut and Lock Washer Removal From Tie Rod 4. Remove metering cylinder from the dispenser. Figure 8 Metering Cylinder Removal From Dispenser E 2020 Nordson Corporation Part 7446077...

  • Page 33: Disassembly And Assembly

    Do not use sharp or pointed tools to service seals, O−rings, seals, and bearing. Apply thread locker strictly in accordance to the replacement procedures detailed in this section. Part 7446077 E 2020 Nordson Corporation...

  • Page 34: Air Cylinder Assembly

    2. Tube seal 8. Cylinder housing 14. Nut 3. Snap ring 9. Tie rod 15. Cylinder housing 4. Back−up ring 10. Piston rod 16. Nut 5. Cup seal 11. O−ring 6. Rod bearing 12. O−ring E 2020 Nordson Corporation Part 7446077...
  • Page 35 Allow Loctite 242 or 248, or equivalent thread locker, to fully cure prior to utilizing system. Tighten nuts securing cylinder housing to cylinder tube to 96 NSm (71 ft−lb). Tighten nut securing piston to piston rod to 384 NSm (283 ft−lb). Part 7446077 E 2020 Nordson Corporation...

  • Page 36: Foot Valve Spring Assembly

    CAUTION: Do not utilize sharp or pointed tools to remove O−ring, ball, and spring. 4. Assembly of foot valve spring assembly is in the reverse order of disassembly. CAUTION: Inspect components for damage. Do not reuse any damaged components. E 2020 Nordson Corporation Part 7446077...

  • Page 37: High Volume Metering Cylinder Assembly

    12. Male gland 3. Male gland 8. Piston seat 13. V packing 4. V packing 9. Foot valve spring assembly 14. Female gland 5. Female gland 10. Metering rod 15. Bearing 16. Packing nut Part 7446077 E 2020 Nordson Corporation...

  • Page 38: Disassembly

    2. Remove foot valve spring assembly (9). See Figure 11. 3. Utilize metering cylinder service tool (Nordson part number 7428488) to remove cage (6) ball (7), and piston seat (8) from metering rod. Refer to Parts, Metering Cylinder Service Tools for additional information. See Figures 11 and 12.
  • Page 39 Metering Cylinder Packing Nut Removal 5. Utilize hand pressure to push metering rod through metering cylinder to expose cage, gland, V packing, and bearing. See Figure 14. Figure 14 Exposure of Cage, Gland, V Packing, and Bearing Part 7446077 E 2020 Nordson Corporation...
  • Page 40 6. Remove cage, gland, V packing, and backup washer. See Figures 15 and 16. Figure 15 Removal of cage, gland, V Packing, and Bearing (1 of 2) Figure 16 Removal of cage, glands, V Packing, and Bearing (2 of 2) E 2020 Nordson Corporation Part 7446077...
  • Page 41 7. Place the cage (6) in a vise, or suitable fixture, to facilitate removal of ball (7) and piston seat (8). See Figures 11, 17 and 18. Figure 17 Disassembly of Cage (1 of 2). Figure 18 Disassembly of Cage (2 of 2). Part 7446077 E 2020 Nordson Corporation...

  • Page 42: Assembly

    7. Hand tighten the packing nut until it is snug and then rotate clockwise an additional ¼ turn. 8. Prior to system start−up, add Seal Sav’r oil (Nordson part number 7428656) to packing nut. 9. Apply Donnelly Bros. Inc. − All Purpose Grease (APG#2) to foot valve spring assembly O−ring.

  • Page 43: Low Volume Metering Cylinder Assembly

    2. Ball 7. Seat 12. V packing 3. Backup washer 8. Foot valve spring assembly 13. Female gland 4. Male gland 9. Metering rod 14. Bearing 5. V packing 10. Throat washer 15. Packing nut Part 7446077 E 2020 Nordson Corporation...

  • Page 44: Disassembly

    2. Remove foot valve spring assembly (9). See Figure 19. 3. Utilize metering cylinder service tool (Nordson part number 7428488) to loosen seat (7) securing female gland (6), V packing (5), male gland (4), backup washer (3), and ball (2) from metering cylinder (1) . Refer to Parts, Metering Cylinder Service Tools for additional information.

  • Page 45: Assembly

    3. Thread seat (7) into metering rod (10). See Figure 19. CAUTION: Do not tighten the seat at this time. 4. Install throat washer (10), male gland (11), V packing (12), female gland (13), and bearing (14) onto metering rod (9). See Figure 19. Part 7446077 E 2020 Nordson Corporation...
  • Page 46 7. Hand tighten the packing nut until it is snug and then rotate clockwise an additional ¼ turn. 8. Prior to system start−up, add Seal Sav’r oil (Nordson part number 7428656) to packing nut. 9. Apply Donnelly Bros. Inc. − All Purpose Grease (APG#2) to foot valve spring assembly O−ring.

  • Page 47: Parts

    A dash (—) is used when the part number applies to all parts in the illustration. The number in the Part column is the Nordson Corporation part number. A series of dashes in this column (- - - - - -) means the part cannot be ordered separately.

  • Page 48: 3-Column Parts List

    S S S S NOTE A: AR: As Required NS: Not Shown Continued... 3-Column Parts List Part Description Note S S S S S S NOTE A: AR: As Required NS: Not Shown Continued... E 2020 Nordson Corporation Part 7446077...

  • Page 49: Customer Product Manual

    Customer Product Manual Item Part Description Quantity — 7446077 MNL,CUST PROD,SEE FLO 7 METER See Flo 7 Dispenser Parts Illustration 3,4,5 23,5,24 9,10 28,36,37 11,12,13 34,35 16,17 Figure 22 See−Flo 7 Dispenser Parts Illustration Part 7446077 E 2020 Nordson Corporation...

  • Page 50: See−Flo 7 Dispenser Parts List

    7431300 S PANEL,fr,ss,14gal,6.500 x 33.000 −−−−−−− S SCREW,bhc,10−24x3/8 −−−−−−− NOTE A:This part is representational of one See−Flo 7 dispense meter. Contact your local Nordson Representative for information regarding other See−Flo 7 dispense meter variations. E 2020 Nordson Corporation Part 7446077...

  • Page 51: Air Cylinder Parts Illustration

    See−Flo 7 Dispenser Air Cylinder Parts Illustration Section A−A Front View Side View Detail C Figure 23 Air Cylinder Parts Illustration Part 7446077 E 2020 Nordson Corporation...

  • Page 52: Air Cylinder Parts List

    See−Flo 7 Dispenser Air Cylinder Parts List This Parts List is representational as it details parts associated with a 7426031 air cylinder. Other air cylinders are available. Contact your local Nordson Representative for for additional information. Item Part Description Quantity —...

  • Page 53: Foot Valve Spring Assembly Parts Illustration

    Description Quantity — 7431437 VALVE,foot,std,spring,assy − S RING,rtnr,crs,bl ox,1.070inx1.310in 7425121 S FOOT VALVE HOUSING AND SEAT ASSY 7425233 S PIN,bl stop,.250x1.281 7425518 S SPRING,lw,foot v,dbl act,mtr cyl 7428400 S ORING,ptfe,1.046X1.324X.139 7427987 S BALL,ss,5/8,100 7425144 Part 7446077 E 2020 Nordson Corporation...

  • Page 54: High Volume Metering Cylinder Parts Illustration

    See−Flo 7 Dispenser High Volume Metering Cylinder Parts Illustration Section A−A Figure 25 High Volume Metering Cylinder Parts Illustration E 2020 Nordson Corporation Part 7446077...

  • Page 55: High Volume Metering Cylinder Service Kit

    NOTE A: Refer to Parts, Kits, Metering Cylinder Service Kit for additional information. High Volume Metering Cylinder Service Kit This service kit is representational as it strictly details service parts associated with a 7433649 metering cylinder. Other service kits are available. Contact your local Nordson Representative for for additional information. Item Part...
  • Page 56 See−Flo 7 Dispenser Low Volume Metering Cylinder Parts Illustration Detail B Detail C Figure 26 Low Volume Metering Cylinder Parts Illustration E 2020 Nordson Corporation Part 7446077...
  • Page 57 NOTE A: Refer to Parts, Kits, Metering Cylinder Service Kit for additional information. Low Volume Metering Cylinder Service Kit This service kit is representational as it strictly details service parts associated with a 7433654 metering cylinder. Other service kits are available. Contact your local Nordson Representative for for additional information. Item Part...
  • Page 58 Cycle displacement (per 4 inch stroke) 18.11cc Cycle displacement (overall) 32.22cc Foot valve Spring assisted Piston stroke 4 inch (10.2 cm) Upper cage type G type Weight 13.70 lb (6.2 kg) Working pressue (maximum) 4,000 psi (275.8 bar) E 2020 Nordson Corporation Part 7446077...
  • Page 59 See−Flo 7 Dispenser Dimensions The dimensions shown are representational as they relate to a 7433649 See−Flo 7 Dispenser. Other systems are available. Contact your local Nordson Representative for for additional information. See−Flo 7 Dispenser E. 16.00 inch (40.64 cm) A. 38.18 inch (96.98 cm) C.
  • Page 60 See−Flo 7 Dispenser Air Cylinder Assembly The dimensions shown are representational of a 7426031 air cylinder. Other air cylinders are available. Contact your local Nordson Representative for additional information. G. f1.00 inch (2.54 cm) A. 7.50 inch (19.05 cm) D. 1.75 inch (4.45 cm) J.
  • Page 61 See−Flo 7 Dispenser Foot Valve Spring Assembly A. 2.69 inch (6.83 cm) B. 0.56 inch (1.42 cm) C. 0.88 inch (2.24 cm) D. 1.50 inch (3.81 cm) Figure 29 Foot Valve Spring Assembly Dimensions Part 7446077 E 2020 Nordson Corporation...
  • Page 62 See−Flo 7 Dispenser High Volume Metering Cylinder Assembly The dimensions shown are representational of a 7433649 metering cylinder. Other metering cylinders are available. Contact your local Nordson Representative for additional information. J. 90_ A. 0.63 inch (1.60 cm) D. 2.27 inch (5.77 cm) G.
  • Page 63 45677 Helm Street • P.O. Box 701460 • Plymouth, Michigan • 48170 • USA Phone 1 (734) 459-8600 Web Address www.sealantequipment.com Product See-Flo 7 Model(s) 2200-187-002 Test Standards EN ISO 12100:2010, EN ISO 12100-1:2003 EN ISO 12100-2:2003, ISO/FDIS 13849-1: 2006 EN 60204-1:2006+A1:2009, EN 12266, EN 1SO 4413:2010...

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