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Loveshaw Little David LD16AR Operator's Manual

Fully automatic random top and bottom case sealer
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Little David™ Case Sealer
LD16AR Fully Automatic Random Top and
Bottom Case Sealer
Version: 01
Operator' s Manual

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Summary of Contents for Loveshaw Little David LD16AR

  • Page 1 Little David™ Case Sealer LD16AR Fully Automatic Random Top and Bottom Case Sealer Version: 01 Operator’ s Manual...
  • Page 2 L I T T L E D A V I D ™ C A S E S E A L E R LD16AR Operation Copyright  Loveshaw Loveshaw, Inc. 2206 Easton Turnpike, PO. Box 83 South Canaan, PA 18459 Tel: 1-800-962-2633 • 570-937-4921 Fax: 570-937-4016 www.loveshaw.com...

  • Page 4: Table Of Contents

    T able of Contents Chapter 1: Introduction Chapter 2: Operating Safety Chapter 3: Overview Chapter 4: Installation Chapter 5: Theory of Operation Chapter 6: Machine Components Chapter 7: Maintenance...
  • Page 5 Chapter 8: Troubleshooting Chapter 9: Warranty Chapter 10: Assembly Drawings and Schematic...

  • Page 6: Chapter 1: Introduction

    Chapter Introduction hank you for purchasing the Little David™ case sealer, the LD16AR. The LD16AR is a fully-automatic top and bottom case sealer. The LD16AR is a robust built 24/7 case sealer constructed of quality materials, linear bearings, pneumatic and electrical components..

  • Page 7: Chapter 2: Operating Safety

    Chapter Operating Safety Observe the warnings and cautions below when using the Little David LD16AR case sealer. Within this manual all safety labels are depicted with location and part number. If a safety, label is missing or not legible it must be replaced immediately. Failure to follow safety labels can lead to injury or damage to the machine.
  • Page 8 This manual contains operator information for Little David Application Equipment. It is directed toward the person who operates and maintains the machine. Read through the manual completely before operating the machine. Thereafter, refer to it as necessary. Take special note of all warnings, cautions, and maintenance instructions. Like any other piece of equipment, the Little David Case Sealer functions best when maintained and used correctly.

  • Page 9: Chapter 3: Overview

    Chapter Case Sealer Sections Overview This manual covers several parts of the machine. The following diagram identifies the key sections of the machine. Balance Air Head Assy. Tank Linear Actuator Kicker Height Sensing Squeezer Assy. Carriage Side Rails Air Regulators Control Station Side Rails Air Regulators...
  • Page 10 Machine Specifications Machine dimensions:  Height: 87.375” @ 22 1/4” conveyor height  Length: 110”  Width: 48”  Conveyor height: 22 1/4” to 28.25” – Standard Electrical Requirements:  Standard Voltage: 120/1/60 with 20 amp dedicated service.  Optional voltages are available consult factory. Operating speed: ...
  • Page 11 Air Requirement  6 scfm @ 85 psi – maximum throughput based on maximum box range. Machine box capacity:  Length: - 8” to 24”  Width: - 5 ½” to 20”  Height: 5 ½” to 20”...

  • Page 12: Chapter 4: Installation

    If machine arrives damaged contact Loveshaw immediately to help in filing a claim with shipping company. Section 1: Placing the Machine Step One: Carefully remove the machine from the shipping skid.
  • Page 13 Attach The Machines: Place the machine segments and attach them together using the spacers and hardware provided. ATTACHMENT HARDWARE (13mm wrenches)
  • Page 14 Outer leg Leg Ext. Hardware (13mm wrench) Inner leg Leg Extension Taper Outer leg Leg Ext. Hardware (13mm wrench) Inner leg Leg Extension Box Sizer...

  • Page 15: Chapter 5: Theory Of Operation

    Chapter Theory of Operation LD16AR The LD16AR will automatically adjust to the width and height of the box to be sealed, while folding all of the top flaps. With the machine started, a box will approach the entrance of the machine from the infeed conveyor.
  • Page 16 position. The PLC uses the positional information to calculate the proper linear actuator position for the box measured. Once the height has been determined the information is sent from the PLC to the linear actuator. The linear actuator then moves to the proper position for the box measured.
  • Page 17 home position. The box now completely exits the machine and continues on. Key design features: The LD16AR incorporates an indexing gate. The indexing gate allows one box to enter the machine at a time while holding back the next box to be processed. The indexing gate is pneumatically actuated and controlled by the PLC.

  • Page 18: Chapter 6: Machine Components

    Chapter Machine Components Control Station The control station consists of an electrical enclosure, push pull mushroom head emergency stop switch, main electrical disconnect and control buttons and switches. HOME E-STOP HEAD TEST / RUN MAIN / DOOR E-STOP LOWER SWITCH DISCONECT RESET HEAD...
  • Page 19 Pneumatic regulators The regulators optimize the machine for the customers’ specific needs. For a full list of regulators refer to the pneumatic schematics at the end of this manual. Regulators “R1” is the main air pressure and is set to 80 psi from the factory. Regulator “R2”...
  • Page 20 Regulator “R5” controls the pressure of the side rails in the taping section of the machine. The side rails keep the box straight through the folding and taping portion of the machine. This regulator comes factory set and should not have to be adjusted. Regulator “R6”...
  • Page 21 or the flaps were purposely shy cut. The squeezers cannot overcome these obstacles. Squeezers are actuated off of a photo eye and timing. Making a significant change in air pressure could through off the timing of the squeezing arms. If an adjustment is necessary increase the pressure to increase the squeeze force.
  • Page 22 Live Roller Drive The live roller drive assembly consist of a 1/4 hp gear motor, sprockets, chain, drive bands and rollers. The live roller drive assembly, assist in conveying the box forward through the machine. The steel rollers offer a good surface to center the box and still have excellent forward drive.
  • Page 23 Bottom drive assembly The bottom drive assembly consist of a 1/3 hp gear motor, sprockets, chain and rough top belting. The bottom drive assembly conveys the box forward through the folding and taping portion of the machine. The bottom belts are tensioned and guided automatically.
  • Page 24 Bottom drive assembly (cont.) Tension assembly TENSIONING ADJUSTABLE IDLER ROLLER TENSIONING CENTERING SPRINGS ROLLERS...
  • Page 25 Sensor locations...

  • Page 26: Chapter 7: Maintenance

    Chapter Maintenance Safety: NEVER perform any maintenance on the LD16AR without first following your company’ s LOCK OUT / TAG OUT procedures. Replacing Live Roller Gear Motor (REMOVAL) 1. Remove the centering arms with a 8 mm T-handle or hex key. (Figure 1) 2.
  • Page 27 7. Slide the motor to the right to loosen the drive change. Remove the drive chain by disconnecting the master link. 8. Completely remove the (4) motor mount bolts that were previously loosened. Make sure to secure the gear motor so it doesn’t fall to the floor.
  • Page 28 INDEXING GEAR GATE MOTO ROLLER & BLADE INDEXING GATE Figure 2 COVER INDEXING GATE HARDWAR Figure 3 MOTOR MOUNT BOLTS...
  • Page 29 Figure 4 GEAR MOTOR GEAR MOTOR SCREWS MOTOR MOUNT Replacing Live Roller Gear Motor (INSTALL) 1. Connect the new gear motor to the motor mount bracket using the same hardware previously used. Apply a thread locker, (Loctite 277), or equivalent to the thread prior to installation. 2.
  • Page 30 4. Reinstall the chain and check the alignment of the sprockets. If they are not in-line with each other the chain could run noisy and wear prematurely. 5. Tension the chain by sliding the motor toward the center of the machine.
  • Page 31 3. Slowly and carefully pull the motor away from the gear box while supporting the weight of the motor. Be sure not to lose the shaft key. (INSTALL) 4. Reinstall the new motor by first sliding the shaft into the reducer while supporting the weight of the motor.
  • Page 32 Replacing Bottom Belt Drive Gearbox (REMOVAL) 1. Follow the previous instructions to remove the motor. (Do not unwire the motor if it doesn’t need to be replaced). 2. Remove the upper chain guard with a 3mm hex key. 3. Remove the lower chain guard with a 9/16” wrench or socket. (Figure 5) 4.
  • Page 33 MOTOR BRACKET BOLTS Figure 6 GEARBOX BOLTS Replacing Bottom Belt Drive Gearbox (INSTALL) 1. Install the old sprocket from the original gearbox. (Leave set screws loose so the chain can be aligned). 2. Position the new gearbox under the motor mount bracket.
  • Page 34 3. Install the hardware to hold the gearbox to the motor mount bracket. Apply a thread locker, (Loctite 277), or equivalent. Tighten with a 9/16” wrench or socket. 4. Reconnect the chain with the master link. 5. Reconnect the motor to the gearbox, referring to the previous section if necessary.
  • Page 35 4. Do not remove the old belt. Attach the new belt to one side of the old belt. Then use the old belt to draw the new belt around the belt path. 5. Once the new belt is in the correct position disconnect the old belt and discard.
  • Page 36 Chapter Troubleshooting: PROBLEM CAUSE CORRECTIVE ACTION Machine will not start. Emergency stop switch(s) activated at Check that E-stop switch is not depressed control box. or engaged. Linear actuator not in home position. Press the home button on the panel. Interlocked guard door open. Close guard door.
  • Page 37 PROBLEM CAUSE CORRECTIVE ACTION Drive belts are slipping. Belts tensioning springs worn. Replace springs. Belts are worn. Replace drive belts. Drive roller lagging worn. Replace lagging. Some live rollers no spinning. Drive bands broken. Replace drive bands. Linear actuator faults. Actuator faults during a jam.
  • Page 38 1 YEAR ALL OTHER PARTS Except for wear and moving parts. *LIMITED WARRANTY – (HEREIN AFTER “LOVESHAW”) LOVESHAW WARRANTS ONLY THAT THE GOODS SOLD BY IT SHALL BE FREE FROM DEFECTS IN MATERIAL AND WORKMANSHIP, UNDER PROPER AND NORMAL USE AND MAINTENANCE,...
  • Page 39 INVOLVED IN AN ACCIDENT. NO PERSON IS AUTHORIZED TO MAKE ANY WARRANTY OR TO CREATE ANY LIABILITY BINDING UPON LOVESHAW, WHICH IS NOT STATED IN THIS WARRANTY. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES OF ANY KIND, EXPRESSED OR IMPLIED, WHICH ARE HEREBY EXCLUDED.
  • Page 40 Chapter ASSEMBLY DRAWINGS AND SCHEMATICS...
  • Page 41 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 42 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 43 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 44 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 45 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 46 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 47 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 48 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 49 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 50 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 51 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 52 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL...
  • Page 53 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 54 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 55 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 56 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 57 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 58 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 59 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 60 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...
  • Page 61 THIS DRAWING AND SUBJECT MATTER THEREON IS THE EXCLUSIVE PROPERTY OF DWG NO SCALE METRIC = .3mm FINISH LOVESHAW AND IS TO BE TREATED BY YOU AS CONFIDENTIAL PRPRIETARY .XXX = .1mm INFORMATION. THIS DRAWING OR SUBJECT MATTER THEROF SHALL NOT BE MATERIAL CHECKED...