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Nordson Sealant Equipment 801 Manual

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Dual Servo 801 Dispenser
CUSTOMER PRODUCT MANUAL
COMPONENT MANUAL P/N: 7445673
ISSUED 3/2020
For parts and technical support, contact Global Business Services (GBS) at
(800) 433-9319, 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 Equipment٠Wixom, Michigan٠U.S.A

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Summary of Contents for Nordson Sealant Equipment 801

  • Page 1 ISSUED 3/2020 For parts and technical support, contact Global Business Services (GBS) at (800) 433-9319, 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.
  • Page 2 Nordson Corporation welcomes requests for information, comments, and Trademarks inquiries about its products. General information about Nordson can be Nordson and the Nordson logo are registered trademarks of Nordson found on the Internet using the following address: Corporation. http://www.nordson.com. Notice All other trademarks are the property of their respective owners.

  • Page 3: Table Of Contents

    ......Dual Servo 801 Dispenser Parts Illustration ....
  • Page 4 THIS PAGE HAS BEEN LEFT BLANK INTENTIONALLY.

  • Page 5: Safety

    Dual Servo 801 Dispenser Dual Servo 801 Dispenser Safety Read and follow these safety instructions. Task- and equipment-specific warnings, cautions, and instructions are included in equipment documentation where appropriate. Make sure all equipment documentation, including these instructions, is accessible to all persons operating or servicing equipment.

  • Page 6: Regulations And Approvals

    Dual Servo 801 Dispenser 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

    Dual Servo 801 Dispenser High−Pressure Fluids High pressure fluids, unless they are safely contained, are extremely hazardous. Always relieve fluid pressure before adjusting or servicing high pressure equipment. A jet of high−pressure fluid can cut like a knife and cause serious bodily injury, amputation, or death. Fluids penetrating the skin can also cause toxic poisoning.

  • Page 8: Fire Safety

    Dual Servo 801 Dispenser Fire Safety To avoid a fire or explosion, follow these instructions: Shut down all equipment immediately if you notice static sparking or arcing. Do not restart the equipment until the cause has been identified and corrected.

  • Page 9: Action In The Event Of A Malfunction

    Description The Dual Servo 801 Dispenser is a positive displacement, single−acting meter/mix/dispense system designed to produce a variable flow, one−component material. Positive rod displacement metering, combined with dual servo technology, proportions material to the manufacturer’s exact volumetric ratio. A signal from the actuator opens the dispense valve.
  • Page 10 Dual Servo 801 Dispenser Table 1 801 Dispenser Major Components Description Actuator − Electric servo which facilitates metering rod movement. Dispense valve − Provides complete cut−off control over the application of metered material. Inlet valve − Accommodates the intake of material from system supply.

  • Page 11: Consumable Items And Component Cleaning

    Dual Servo 801 Dispenser Consumable Items And Component Cleaning Consumable Items Table 2 Consumable Items Item Part Application Donnelly Bros. Inc. − All Purpose Grease 7426965 Applied to transducer port, gauge [(APG#2) (optional) (except Europe and U.K.)] port, metering rod and wearable parts such as O−rings, seals, and...

  • Page 12: Component Cleaning

    Relieve material pressure prior to servicing system components. Relieve system air pressure prior to servicing system components. Disconnect and lock out power to the 801 Dispenser prior to servicing system components. CAUTION: Do not allow any lubricants to enter fluid passageways during repair.

  • Page 13: Electrical Connections

    Dual Servo 801 Dispenser Electrical Connections Electrical Wiring Refer to System Manual wiring schematic for 801 Dispenser wiring information. Pressure Transducer Calibration Pressure transducers are individually calibrated and serial numbered at the factory. CAUTION: If an individual pressure transducer requires replacement, calibration information has to be entered into the control panel.

  • Page 14: Maintenance And Cleaning

    Relieve material pressure prior to servicing system components. Relieve system air pressure prior to servicing system components. Disconnect and lock out power to the 801 Dispenser prior to servicing system components. CAUTION: Do not allow any lubricants to enter fluid passageways during repair.
  • Page 15 Dual Servo 801 Dispenser Table 4 Preventative Maintenance Schedule Frequency Component Task Completion Time Weekly Monthly Yearly Cycles Inspect for loose connections. In- Inspect: 10 Min. ● Actuator spect actuator rod Replace: 30−45 Min. for damage. Air fittings and Inspect for air ●...

  • Page 16: Operation

    Relieve material pressure prior to servicing system components. Relieve system air pressure prior to servicing system components. Disconnect and lock out power to the 801 Dispenser prior to servicing system components. CAUTION: Do not allow any lubricants to enter fluid passageways during repair.

  • Page 17: Troubleshooting

    Relieve material pressure prior to servicing system components. Relieve system air pressure prior to servicing system components. Disconnect and lock out power to the 801 Dispenser prior to servicing system components. CAUTION: Do not allow any lubricants to enter fluid passageways during repair.

  • Page 18: Repair

    Relieve material pressure prior to servicing system components. Relieve system air pressure prior to servicing system components. Disconnect and lock out power to the 801 Dispenser to servicing system components. CAUTION: Do not allow any lubricants to enter fluid passageways during repair.
  • Page 19 Dual Servo 801 Dispenser Upper flange Figure 3 Coupler Socket Head Cap Screw 4. Remove socket head cap screw (5) and washer (4) securing actuator (1) to upper flange (4). See Figure 4. 5. Separate actuator (1) from upper flange (3). See Figure 4.

  • Page 20: Ball Screw And Ball Nut Assembly Replacement

    2. Remove socket head cap screw (1) and washer (2) securing ball nut (3) to carriage (4). See Figure 5. *Single servo 801 Dispenser shown; Dual Servo 801 Dispenser is similar. Figure 5 Ball Screw Replacement...
  • Page 21 3. Remove ball screw (1) from the carriage (2). See Figure 6. NOTE: The ball screw is removed from the carriage with the ball nut as an assembly. *Single servo 801 Dispenser shown; Dual Servo 801 Dispenser is similar. Figure 6 Ball Screw Replacement 4.

  • Page 22: Carriage Replacement

    Dual Servo 801 Dispenser 5. Installation of the ball screw and ball nut assembly is in the reverse order of removal. Note the following: CAUTION: Apply Loctite 242 or 248, or equivalent thread locker, to socket head cap screws securing ball nut assembly to carriage.

  • Page 23: Coupler Replacement

    Dual Servo 801 Dispenser 3. Remove ball screw and ball nut assembly. Refer to Repair, Ball Screw and Ball Nut Assembly for ball screw and ball nut assembly replacement procedure. 4. Remove the metering rod. Refer to Repair, Metering Rod for metering rod replacement procedure.
  • Page 24 Dual Servo 801 Dispenser 3. Remove dispense valve (2). Inspect condition of flow tube O−rings. Do not reuse the O−rings if they are found to be damaged. CAUTION: Inspect condition of flow tube O−rings. Do not reuse the O−rings if they are found to be damaged.

  • Page 25: Inlet Valve Replacement

    Dual Servo 801 Dispenser Inlet Valve Replacement See Figure 9. WARNING: Relieve system air and material pressure before making any repairs. Failure to observe this warning may result in serious personal injury. Disconnect and lock out power to the meter prior to servicing system components.

  • Page 26: Manifold Replacement

    Dual Servo 801 Dispenser Manifold Replacement See Figure 10. WARNING: Relieve system air and material pressure before making any repairs. Failure to observe this warning may result in serious personal injury. Disconnect and lock out power to the meter prior to servicing system components.
  • Page 27 Dual Servo 801 Dispenser Pressure transducer Figure 10 Manifold Replacement 5. Installation of the manifold is in the reverse order of removal. Note the following: CAUTION: Inspect condition of flow tube O−rings. Do not reuse the O−rings if they are found to be damaged.

  • Page 28: Metering Cylinder Replacement

    Dual Servo 801 Dispenser Metering Cylinder Replacement See Figure 11. WARNING: Relieve system air and material pressure before making any repairs. Failure to observe this warning may result in serious personal injury. Disconnect and lock out power to the meter prior to servicing system components.

  • Page 29: Metering Rod Replacement

    Dual Servo 801 Dispenser CAUTION: Inspect condition of flow tube O−rings. Do not reuse the O−rings if they are found to be damaged. Apply suitable grease to flow tube O−rings. Refer to Consumable Items And Component Cleaning, Consumable Items for additional information.

  • Page 30: Pressure Transducer Replacement

    Dual Servo 801 Dispenser 3. Installation of the metering rod is in the reverse order of removal. Note the following: CAUTION: Apply Loctite 242 or 248, or equivalent thread locker, to socket head cap screws securing metering rod to carriage.

  • Page 31: Seal Cartridge Assembly Replacement

    Dual Servo 801 Dispenser Replace pressure transducer if O−ring is found to be damaged. Calibrate pressure transducer. Refer to Electrical Connections, Pressure Transducer Calibration for pressure transducer calibration procedure. Seal Cartridge Assembly Replacement See Figure 13. WARNING: Relieve system air and material pressure before making any repairs.

  • Page 32: Upper Flange Replacement

    Dual Servo 801 Dispenser Apply suitable grease to seal cartridge assembly O−rings. Refer to Consumable Items And Component Cleaning, Consumable Items for additional information. Upper Flange Replacement See Figures 14 through 16. WARNING: Relieve system air and material pressure before making any repairs.
  • Page 33 Dual Servo 801 Dispenser 5. Remove socket head cap screws (4) and washers (3) securing bearing retainer (2) to upper flange (1). See Figure 15. Figure 15 Upper Flange Replacement (2 of 3) 6. Remove the upper flange. NOTE: It is possible to remove the upper flange (2) and the actuator (1) as an assembly.

  • Page 34: Disassembly And Assembly

    Relieve material pressure prior to servicing system components. Relieve system air pressure prior to servicing system components. Disconnect and lock out power to the 801 Dispenser prior to servicing system components. CAUTION: Do not allow any lubricants to enter fluid passageways during repair.

  • Page 35: Dispense Valve

    Dual Servo 801 Dispenser Dispense Valve See Figure 17. Figure 17 Dispense Valve Exploded View 1. Nut 7. Air block 13. Flush plug 2. Socket head cap screw 8. O−ring 14. Nose manifold 3. Valve cap 9. Socket head cap screw 15.
  • Page 36 Dual Servo 801 Dispenser 1. Remove socket head cap crews (2) securing valve cap (3) to fluid body (18). 2. Unscrew nut (1) from adjustment screw (4). 3. Remove adjustment screw (4) from valve cap (3). 4. Remove piston needle assembly (6) from air block (7).

  • Page 37: Inlet Valve

    Dual Servo 801 Dispenser Inlet Valve See Figure 18. Figure 18 Inlet Valve Exploded View 1. Adjustment screw 6. O−ring 11. O−ring 2. Nut 7. Bearing 12. O−ring 3. Socket head cap screw 8. Sealing 13. Piston 4. Valve cylinder 9.
  • Page 38 Dual Servo 801 Dispenser 1. Remove socket head cap screws (3) securing valve cap (4) to fluid body (5). 2. Separate valve cap (4) from fluid body (5). 3. Remove socket head cap screw (15) securing piston (13) to needle (9).

  • Page 39: Parts

    Dual Servo 801 Dispenser Parts To order parts, contact Global Business Services (GBS) at (800) 433−9319 or contact your local Nordson Representative. Using the Illustrated Parts List Numbers in the Item column correspond to numbers that identify parts in illustrations following each parts list. The code NS (not shown) indicates that a listed part is not illustrated.

  • Page 40: 3-Column Parts List

    Dual Servo 801 Dispenser Item Part Description Quantity Note — 0000000 Assembly S Subassembly 000000 S S Part 000000 Item Part Description Quantity Note S S S S S S S NOTE A: AR: As Required NS: Not Shown Continued...

  • Page 41: Customer Product Manual

    Dual Servo 801 Dispenser Customer Product Manual Item Part Description Quantity — 7445673 MNL,CUST PROD,801 METER,DUAL SERVO Dual Servo 801 Dispenser Parts Illustration Section A−A Figure 19 Dual Servo 801 Dispenser Parts Overview Part 7445673 E 2020 Nordson Corporation...

  • Page 42: Dual Servo 801 Dispenser Parts List

    S GUARD,side,clxn,15.296x4.438 −−−−−−− S FLANGE,up,al,mt svo,dual 801 −−−−−−− NOTE A:This part is representational of one Dual Servo 801 dispense meter. Contact your local Nordson Representative for information regarding other Dual Servo 801 dispense meter variations. E 2020 Nordson Corporation Part 7445673...

  • Page 43: Dispense Valve Parts Illustration

    Dual Servo 801 Dispenser Dispense Valve Parts Illustration Section A−A Figure 20 Typical Dispense Valve Parts Illustration Part 7445673 E 2020 Nordson Corporation...
  • Page 44 Dual Servo 801 Dispenser Dispense Valve Parts List This Parts List is representational as it details parts associated with a 7444601 valve. Other valves are available. Contact your local Nordson Representative for additional information. Item Part Description Quantity Note −...

  • Page 45: Inlet Valve Parts Illustration

    Dual Servo 801 Dispenser Inlet Valve Parts Illustration Figure 21 Inlet Valve Parts Illustration Inlet Valve Parts List This Parts List is representational as it details parts associated with a 7426265 valve. Other valves are available. Contact your local Nordson Representative for additional information.
  • Page 46 Dual Servo 801 Dispenser Figure 22 Seal Cartridge Assembly (High Volume and Low Volume) Parts Illustration Seal Cartridge Assembly (High Volume) Parts List This parts list is representational as it details parts associated with a 7433663 seal cartridge assembly. Numerous other seal cartridge assemblies are available. Contact your local Nordson Representative for for additional information.

  • Page 47: Kits

    Dual Servo 801 Dispenser Seal Cartridge Assembly (Low Volume) Parts List This parts list is representational as it details parts associated with a 7442286 seal cartridge assembly. Numerous other seal cartridge assemblies are available. Contact your local Nordson Representative for for additional information.

  • Page 48: Seal Cartridge Assembly Service Kit (Low Volume)

    Dual Servo 801 Dispenser Seal Cartridge Assembly Service Kit (Low Volume) Part Description Quantity 74442287 KIT,SERVICE,CRTDG,SEAL,.160−BMX − S ROD BEARING,dlrn,.160 −−−−−−− S SEAL,custom,uhm,.159x.125 −−−−−−− S ORING,vtn,.737x.943x.103 −−−−−−− Specifications Table 5 System Specifications Actuator Refer to System Manual Product Literature. Dimensions Refer to System Manual Drawings.

  • Page 49: Dimensions

    Dual Servo 801 Dispenser Dimensions A. 2.50 inch (6.35 cm) E. 4.14 inch (10.52 cm) I. 1.00 inch (2.54 cm) M. 2.00 inch (5.08 cm) B. 4.00 inch (10.16 cm) F. 0.83 inch (2.11 cm) J. 3.50 inch (8.89 cm) N.
  • Page 50 Dual Servo 801 Dispenser A.0.44 inch (1.12 cm) D. 0.16 inch (0.41 cm) G. 2.34 inch (5.94 cm) B. 0.30 inch (0.76 cm) E. 0.94 inch (2.39 cm) H. 1.00 inch (2.54 cm) C. 0.31 inch (0.79 cm) F. 1.53 inch (3.89 cm) I.
  • Page 51 Dual Servo 801 Dispenser A.1.50 inch (3.81 cm) D. 1.50 inch (3.81 cm) G. 1.96 inch (4.98 cm) B. 0.75 inch (1.91 cm) E. 0.56 inch (1.42 cm) C. 1.14 inch (2.90 cm) F. 0.55 inch (1.40 cm) Figure 25...

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