Essemtec Fox Maintenance Manual
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Essemtec Fox Maintenance Manual

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Fehler! Unbekannter
Name für Dokument-
Eigenschaft.
Fox
Maintenance Manual
Object No.
Release Date
0000074/05
March 31, 2017

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  • Page 1 Fehler! Unbekannter Name für Dokument- Eigenschaft. Maintenance Manual Object No. 0000074/05 Release Date March 31, 2017...
  • Page 2 The Fox works as is. Screenshots and description cover the actual behavior as far as possible. The content of this manual does not give any claim to software performance or implemented software features.

  • Page 3: Table Of Contents

    Reject Bin Emptying ............................... 4-7 4.3.5 Contaminated Areas Cleaning (Dispensing) ......................4-7 4.3.6 Dispensing Valve Cleaning ............................4-9 Weekly Maintenance a ............................... 4-10 4.4.1 Tools, Material and Scheduling ..........................4-10 4.4.2 Prerequisites ................................... 4-11 4.4.3 Safety Check ................................... 4-12 Fox Maintenance © Essemtec AG...
  • Page 4 Tools, Material and Scheduling ..........................4-59 4.8.2 Prerequisites ................................... 4-60 4.8.3 Machine Calibration ..............................4-61 Steps to gain Prerequisits for Maintenance ......................4-62 4.9.1 Gaining Prerequisits a ..............................4-62 4.9.2 Gaining Prerequisits b ..............................4-63 © Essemtec AG Fox Maintenance...
  • Page 5 Malfunction Table ................................5-3 Preparation ..................................5-3 P&P Head .................................... 5-5 5.4.1 Head V5 Vacuum Feedthrough Cleaning / Lubricating ..................5-5 5.4.2 Head Removal from Machine ........................... 5-15 5.4.3 Head Mounting onto Machine ..........................5-19 Fox Maintenance © Essemtec AG...
  • Page 7 Fox. This document (Maintenance Manual) and especially the safety regulations have to be observed by all persons who work with or at the Fox. Additionally, all local safety and environmental regulations have to be observed.
  • Page 8 This Maintenance Manual is structured according to the method of Performance Based Equipment Training (PBET). Therefore it can be used as training information to pursue tasks step by step. It will be used in training courses. viii © Essemtec AG Fox Maintenance...
  • Page 9 About this Manual Personnel Requirements The maintenance tasks on the Fox, its modules or options may only be performed by authorized maintenance personnel who fulfill the following requirements. Function Responsible for regular checks of the machine, for cleaning and lubrication, for regular adjustments as well as for removal and replacement of faulty assemblies.
  • Page 10 Notice Indicates a situation which, if not avoided, may result in equipment or material damage. Safety Alert Symbol Refers to a safety relevant text in the Startup & Safety Manual. © Essemtec AG Fox Maintenance...
  • Page 11 Meaning of pictogram: a pop up window giving a hint or a warning. The text of the pop up window is written next to the pictogram in a non proportional font. Example: Make sure that all boards are removed before continuing calibration Fox Maintenance © Essemtec AG...
  • Page 12 Meaning of pictogram: one of the presented items on the drop down list has to be selected, after clicking the box (usually a parameter). The pictogram is placed next to the corresponding parameter name. Example: No of pick retries, select the desired number of pick retries. © Essemtec AG Fox Maintenance...
  • Page 13 They are written in a appears: Error non proportional font. No components found Warning to be produced Note If a certain subject must be emphasized it is written as a note. Note: Adjust the guide pins symmetrically xiii Fox Maintenance © Essemtec AG...
  • Page 14 About this Manual Information Concept The User Documentation of the Fox consists of the following manuals and online help: • Unpacking Instruction • Installation Manual • Startup & Safety Manual • Maintenance Manual • Electronic Sparepart Catalogue • Online Help: Context Info with QuickHelp and How to information –...

  • Page 15: Materials And Tool-Kits

    Part number: CAL-SET12 The purpose of this set is to recalibrate the Pick & Place Head. The kit consists of: • Glass plate 65 x 50 mm • Aluminum calibration plate 15 x 15 mm Fox Maintenance © Essemtec AG...
  • Page 16 ZT element shaft • microfibre eyeglass cloth for cleaning the optical measuring system • squeeze bottle for rinsing the vacuum passage • various filters for valves • vacuum silicon tubes for head • grease for head lubricating © Essemtec AG Fox Maintenance...
  • Page 17 Note: The circlip pliers is not scope of the machine delivery. The delivered circlip pliers may vary from the illustration. The purpose of this tool is to maintain the P&P head (vacuum feedthrough cleaning and lubricating) Fox Maintenance © Essemtec AG...
  • Page 18 The arrangement of the needles in the delivered kit may vary from the illustration. The purpose of this set is to push out the nozzles. The kit consists of: • 5 pusher needles for nozzle 1 © Essemtec AG Fox Maintenance...

  • Page 19: Configuration Of The Machine

    Startup & Safety manual must be read before starting the tasks. 2.1.1 Introduction The machine Fox itself is a very flexible and multipurpose equipment. Therefore it is necessary to configure it for a specific task or function. The configuration includes also some necessary adjustments.

  • Page 20: Configuration Tasks

    The configuration is done online at the machine. Thereby the order of the tasks does not matter. Most of the time the tasks are software guided. System Configuration to see details of purpose, parameters, softkeys etc. in the online help. © Essemtec AG Fox Maintenance...

  • Page 21: Calibration Of The Machine

    3.1 Introduction With the calibration of the machine Fox, any differences toward a 'normal machine' for instance caused by mechanical tolerances are compensated. Thereby the use of recipes is guaranteed. That means using the same recipe, all machines have the same behavior.
  • Page 22 'high temperature' label. For servicing, allow these parts to cool before any handling on and around them. High temperatures can ignite chemical substances. Avoid any contact of chemical substances with hot surfaces © Essemtec AG Fox Maintenance...
  • Page 23 Consult and obey the Material Safety data Sheet (MSDS) of the corresponding material and use protective equipment if necessary. Fox Maintenance © Essemtec AG...

  • Page 24: Preparation / Termination For Xy Mapping

    (2) and right (3) fiducial of the front rail (BUM Beam). A deviation of less than 0.1 mm is acceptable. If adjustments are needed, go to chapter 'Mechanical Adjustment Possibilities' on page © Essemtec AG Fox Maintenance...
  • Page 25 Lift up the PCB table. Loosen and remove the four fixing screws of the left PCB holder. Remove the left PCB holder. Re-mount the PCB table again. Screw in and tighten the four fixing screws of the PCB table. Fox Maintenance © Essemtec AG...
  • Page 26 Go to menu System - Calibration - XY gantry / Calibstation and press Calibrate Y-Y1. Press Map Follow the instructions given by the software. After Calibration leave the glass plate on the production area, it is needed for the head rotation calibration. © Essemtec AG Fox Maintenance...
  • Page 27 Lift up the PCB table. Put on the left PCB holder to the PCB table. For a precise positioning of the left PCB holder (right angle), it is pinned. Screw in and tighten the four fixing screws. Fox Maintenance © Essemtec AG...
  • Page 28 Finalize Mapping Continue with the calibration or at least calibrate the PCB Handling, following the instructions given by the software. At least go to menu System - Calibration - PCB Handling and press Calibrate all. © Essemtec AG Fox Maintenance...

  • Page 29: Machine With Conveyor

    The four fiducial must have the same height or may not deviate more than 0.1 mm. If adjustments are needed, go to chapter 'Mechanical Adjustment Possibilities' on page 3-11. Fox Maintenance © Essemtec AG...
  • Page 30 Finalize Mapping Continue with the calibration or at least calibrate the PCB Handling, following the instructions given by the software. At least go to menu System - Calibration - PCB Handling and press Calibrate all. 3-10 © Essemtec AG Fox Maintenance...

  • Page 31: Mechanical Adjustment Possibilities

    By means of the top camera (1), check the Y coordinate of the left and right fiducial of the front rail (BUM Beam). A deviation of less than 0.1 mm is acceptable. Tighten all screws . 3-11 Fox Maintenance © Essemtec AG...
  • Page 32 PCBs, tighten all screws. By means of the top camera (1), check the Y coordinate of the left and right fiducial of the back rail. A deviation of less than 0.1 mm is acceptable. 3-12 © Essemtec AG Fox Maintenance...
  • Page 33 2 screws on the left side. Do the same on the right side of the back rail. Check height again, if the height of all 4 fiducial is the same (maximum deviation 0.1 mm), tighten all screws. 3-13 Fox Maintenance © Essemtec AG...

  • Page 34: Cameras

    The drag indicator shows now the maximum setting which corresponds to the best focus. Slide the camera until this maximum is reached again. Tighten the fixing screws of the camera. Note: Observe the bars while tightening, so you don't de-focus again. 3-14 © Essemtec AG Fox Maintenance...
  • Page 35 Note: Observe the bars while fixing, so you don't defocus again. Therewith the aperture adjustment is completed. Do exact the same procedure also for the focus. Press Continue to finalize the adjustment. 3-15 Fox Maintenance © Essemtec AG...
  • Page 36 Calibration of the Machine Note: The machine checks focus and aperture again and will not continue if it is not adjusted correctly. 3-16 © Essemtec AG Fox Maintenance...

  • Page 37: Preventive Maintenance

    Preventive Maintenance 4.1 Introduction The Fox requires little maintenance but as with any machine correct and regular preventive maintenance will optimize efficiency and help to reduce downtime during production. Should an assembly or sub-assembly require removal and/or replacement, it is important that the correct procedures, as detailed in the Corrective Maintenance Chapters, are followed.
  • Page 38 To stare into the laser beam of the Height Laser could be harmful for the eyes. The height laser is a class 2 laser. Avoid exposure, laser radiation is emitted from the aperture. Do not stare into the laser beam. © Essemtec AG Fox Maintenance...

  • Page 39: Preventive Maintenance Schedule

    Cover and Monitor Cleaning 4-14 Nozzle Cleaning 4-15 Conveyor Belt Cleaning 4-18 Feeder and Rack Cleaning 4-20 Trailing Cable Checking and Cleaning 4-21 Production Area Cleaning 4-22 Linear Motor Magnets Checking and Cleaning 4-23 Height Laser Cleaning 4-27 Fox Maintenance © Essemtec AG...
  • Page 40 *) The listed effort does not include preparation time, see time indication for preparation effort in the appropriate 'Prerequisites' . **) The yearly and two yearly maintenance can only be carried out by authorized Essemtec personnel, or customer personnel trained by Essemtec.

  • Page 41: Daily Maintenance A

    • stopped Production: • Production Material unloaded Machine loading: • Feeders on front side removed • Nozzles, does not matter • in operation Machine operating condition: • machine at maintenance position • connected Main electrical power: Fox Maintenance © Essemtec AG...

  • Page 42: Used Tape Cutting And Removing

    Using a scissor or side cutter, cut the tape(s) at the front of each tape feeder and remove the tape(s). The position for cutting varies slightly on different feeders. © Essemtec AG Fox Maintenance...

  • Page 43: Reject Bin Emptying

    • G2: Cup 0.04 l (transparent), SP61/CP02 Note: When replacing the medium trash, make sure that the cup is properly engaged in the opening. Damage can occur if the cup is improperly seated (collision risk). Fox Maintenance © Essemtec AG...
  • Page 44 Then let it go, the plunger must come back into its original position. The ring should also be free and laying on the surrounding plate and not stay up in the air. © Essemtec AG Fox Maintenance...

  • Page 45: Dispensing Valve Cleaning

    Please refer to these manuals. Note: The interval for the dispense valve cleaning can vary from daily to weekly. It depends mainly on the features of the dispense material. Define the interval according to experiences and company restrictions. Fox Maintenance © Essemtec AG...

  • Page 46: Weekly Maintenance A

    Soft and lint-free lens cleaning tissue (must be a tissue specially prepared for Material: cleaning lenses and other sensitive surfaces). Recommended is the microfibre eyeglass cloth out of the SP26/MAIN05 Tool-Kit for Maintenance Tasks Ethanol or Isopropanol Compressed air Spareparts: none 4-10 © Essemtec AG Fox Maintenance...

  • Page 47: Prerequisites

    Preventive Maintenance Pusher needles To prevent nozzle damages, use genuine Essemtec pusher needles (SP26/BN01). Time needed Schedule around 31 minutes for this task (preparation time of 3 minutes included). Do not forget to include the time consuption for the daily maintenance which is due at the same time.

  • Page 48: Safety Check

    (front and rear) by pressing the softkey (toggle key). • If closed ( ), check if the cover is mechanically locked and cannot be opened. Check both covers (front and rear). 4-12 © Essemtec AG Fox Maintenance...
  • Page 49 Turn the emergency stop button clockwise to release it. The relay of the safety circuit should be audible. The head should move after clicking any of the move head buttons. Repeat above steps for the emergency stop button on rear. 4-13 Fox Maintenance © Essemtec AG...

  • Page 50: Bottom Vision Glass Cleaning

    (the towel must be especially prepared for sensitive surfaces). Do not use alcohol or any solvent, moisten the towel with clear water. Products such as antistatic sprays etc. can be used at its own risk. 4-14 © Essemtec AG Fox Maintenance...

  • Page 51: Nozzle Cleaning

    Note: Do not oil or grease any parts of the nozzles. Unload Nozzles from Head System Configuration Toolchanger Unload all nozzles Unloads all nozzles from all ZT Elements. 4-15 Fox Maintenance © Essemtec AG...
  • Page 52 Clean the nozzles by blowing out with compressed air. Note: Use only pressure-reduced and oil-free compressed air (max. 0.5 bar). Too much pressure is blowing out the tips. Alternatively, or additionally, the nozzles can be cleaned in an ultrasonic bath. 4-16 © Essemtec AG Fox Maintenance...
  • Page 53 System Configuration Toolchanger Click the desired toolchanger to zoom in. The necessary arrangement can be seen and taken from the picture on the graphical window. Load all the nozzles. Close toolchanger. 4-17 Fox Maintenance © Essemtec AG...

  • Page 54: Conveyor Belt Checking And Cleaning

    Use a soft, lint-free cloth with Ethanol or Isopropyl alcohol or slightly moistened with water to clean the conveyor belts. Note: Never use aggressive mediums like Acetone because it tends to weaken the Polymer. 4-18 © Essemtec AG Fox Maintenance...

  • Page 55: Weekly Maintenance B

    ESD rules and/or the using of a metal nozzle may result in damage of system components. Auxiliary Soft and lint-free cloth Material: Ethanol or Isopropanol Spareparts: none Time needed Schedule around 17 minutes for this task (preparation time of 10 minutes included). 4-19 Fox Maintenance © Essemtec AG...

  • Page 56: Prerequisites

    (see picture). Wipe the sliders with an oily cloth. Do not oil or grease any other parts of the feeder rack otherwise the dust will sticky on the surface. 4-20 © Essemtec AG Fox Maintenance...

  • Page 57: Trailing Cable Checking And Cleaning

    4.5.4 Trailing Cable Checking and Cleaning Clean all the trailing cables Remove dust, abrasion etc. from all 4 sides of the trailing cables by using a vacuum cleaner. 4-21 Fox Maintenance © Essemtec AG...

  • Page 58: Production Area Cleaning

    4.5.5 Production Area Cleaning Clean the Production Area Remove all loose components, dust etc. from the production area and surrounds with a vacuum cleaner. Clean the production area with a soft and lint-free cloth. 4-22 © Essemtec AG Fox Maintenance...

  • Page 59: Linear Motor Magnets Checking And Cleaning

    Y axis (Y and Y1) and one on the X axis. Clean the magnets also with a soft and lint-free cloth to remove also the ferromagnetic dust which cannot be removed by vacuum cleaner. 4-23 Fox Maintenance © Essemtec AG...
  • Page 60 Preventive Maintenance Check linear motors Move the linear motors manually and check for smooth movement and no strange noises. Check all cables and tubes for any damages. 4-24 © Essemtec AG Fox Maintenance...

  • Page 61: Monthly Maintenance A

    Soft and lint-free lens cleaning tissue (must be a tissue specially prepared for Material: cleaning lenses and other sensitive surfaces). Recommended is the microfibre eyeglass cloth out of the SP26/MAIN05 Tool-Kit for Maintenance Tasks Essemtec P&P Head Grease SP26/HG01 Grease Kluebersynth BEM 34-32 (SP26/HG08) Isopropanol or Ethanol Spareparts:...

  • Page 62: Prerequisites

    Schedule around 3 minutes to fulfill these prerequisites (see also chapter 'Tools, Material and Scheduling' for the overall effort). Note: To gain the above mentioned prerequisites, follow the steps described in chapter "Gaining Prerequisites a" on page 4-62. 4-26 © Essemtec AG Fox Maintenance...

  • Page 63: Height Laser Cleaning

    Check the catchment (3) for any liquid. If any, take away or turn off the compressed air before dumping the air maintenance unit. Unscrew the release valve and press it (1). Empty the liquid catchment (3) completely. 4-27 Fox Maintenance © Essemtec AG...

  • Page 64: Optical Measuring System Checking Possibly Cleaning

    (the scales) clean. There are two scales on the Y axis, one on each side, Y (1) and Y1 (3), and one scale on the beam, X axis (2). 4-28 © Essemtec AG Fox Maintenance...

  • Page 65: P&P Head Checking

    A 'ZT element' includes the whole mechanism for one Z linear axis and one Theta rotation axis (translation and rotation axes), see picture. 4-29 Fox Maintenance © Essemtec AG...
  • Page 66 From the front side of the machine, loosen and remove the 2 fixing screws of the cover. Remove the cover. On top of the head, loosen and remove the 3 fixing screws of the top cover (see picture). Carefully remove the cover. 4-30 © Essemtec AG Fox Maintenance...
  • Page 67 Move the ZT element up and down to control the free movement of the silicon tube. Where necessary, adjust the tube by slightly turning them at the connections. 4-31 Fox Maintenance © Essemtec AG...
  • Page 68 Check Grubscrews For each ZT element there are 4 grubscrews to check for tigthness (see picture). Re-tighten them if necessary (Allen key 1.27 mm / 0.05 in). Check all ZT elements (if more than one). 4-32 © Essemtec AG Fox Maintenance...
  • Page 69 Using a soft and lint-free cloth, lightly dampened with IPA Isopropyl alcohol, wipe all guide shafts of the head as indicated in the picture. Lubricate the guide shafts slightly with Essemtec P&P Head Grease (SP26/HG01) by means of a brush (anytime keep the brush clean, free of dust and metal powders).
  • Page 70 Wipe also the shaft. Afterwards lubricate the ball cage slightly with Essemtec P&P Head Grease (SP26/HG01) by means of a brush. Do not apply too much grease, just a very thin film. Move manually the the Z-axis up and down to apply evenly the grease.
  • Page 71 Carefully place the top head cover on the correct position. Screw in the three fixing screws and tighten them (see picture). Carefully place the head cover on the correct position. Screw in the two fixing screws and tighten them. 4-35 Fox Maintenance © Essemtec AG...

  • Page 72: Dispense Axes Cleaning / Lubricating

    This allows to quickly take the complete valve off for cleaning purposes. With the quick-change system comes a special screw-driver. It is the yellow screwdriver, that has a torque unit built in. It should be set to 1 4-36 © Essemtec AG Fox Maintenance...
  • Page 73 Replace the brush if it had contact with grease or oil. Do not use hard tools or screwdrivers, it will deform and damage the brake-disk. 4-37 Fox Maintenance © Essemtec AG...
  • Page 74 Do not apply too much grease. Move manually the Z-axis up and down to apply evenly the grease. Wipe off any excess. Note: Anytime keep the brush clean, free of dust and metal powders. 4-38 © Essemtec AG Fox Maintenance...

  • Page 75: Conveyor Clamping Checking / Lubricating

    If it runs smooth, wipe away any excessive grease. Switch on the compressed air (SUP) and close this maintenance procedure 'Conveyor Clamping Checking / Lubricating'. If it does not run smooth, go to the next step 'Lubricate the Conveyor Clamping'. 4-39 Fox Maintenance © Essemtec AG...
  • Page 76 By means of the black brush (9 mm wide), apply to each of the four positions the grease Kluebersynth BEM 34-32 (SP26/HG08), see picture. Do not overgrease. Wipe away excessive grease. Unclamp PCB. Close this maintenance procedure 'Conveyor Clamping Checking / Lubricating' 4-40 © Essemtec AG Fox Maintenance...

  • Page 77: Yearly Maintenance C

    The yearly maintenance can only be carried out by authorised Essemtec personnel. If it has to be carried out by customer personnel, it is mandatory to attend an Essemtec training and it is also mandatory to buy all the tools and material to carry out the yearly maintenance (see 'Tools, Material and Scheduling').
  • Page 78 Conical Brush for spindle cleaning (out of Maintenance Kit SP26/MAIN02) Auxiliary Soft and lint-free cloth Material: IPA Isopropyl alcohol Essemtec P&P Head Grease SP26/HG01 Grease Kluebersynth BEM 34-32 (SP26/HG08) Spareparts: Intake filter Venturi nozzle (4x) Silencer for Venturi nozzle (4x)
  • Page 79 Push the bended spout into the adapter piece as deep as possible. Screw in the union nut on the adapter piece and tighten it as showed on picture (hold in place the adapter piece with a second wrench). 4-43 Fox Maintenance © Essemtec AG...
  • Page 80 7 mm). The coupler has to be changed for greasing the various slides or carriages. • (1) for X slider of Paraquda, Scorpion, Fox and Spider machine types and Z slider of dispense axis. • (2) for Y slider of Paraquda, Scorpion, Fox and Spider machine types.

  • Page 81: Prerequisites

    Schedule around 5 minutes to fulfill these prerequisites (see also chapter 'Tools, Material and Scheduling' for the overall effort). Note: To gain the above mentioned prerequisites, follow the steps described in chapter "Gaining Prerequisites c" on page 4-66. 4-45 Fox Maintenance © Essemtec AG...

  • Page 82: Linear Slider / Rails Cleaning And Lubricating

    To protect the surface against corrosion, after complete drying apply a very thin layer of the recommended lubricating grease (BEM 34-32 (SP26/HG08)) on all linear guides. For the recommended grease see 'Tools, Material and Scheduling'. 4-46 © Essemtec AG Fox Maintenance...
  • Page 83 Repeat for each linear slider on Y axis. There is a total of four sliders (two on Y; two on Y1). Note: Please make sure that no grease is on the surface of magnetic plates and on the measurement system of the Y axis. 4-47 Fox Maintenance © Essemtec AG...

  • Page 84: Electronic Cabinets Checking And Cleaning

    X axis. 4.7.4 Electronic Cabinets Checking and Cleaning Open Electronic Cabinet From the front and the rear of the machine, loosen the fixing screw of the electronic cabinet. Open the cover carefully. 4-48 © Essemtec AG Fox Maintenance...
  • Page 85 Fix any imperfection. In case of unusal conditions, find out the cause and fix it. Close Electronic Cabinet Close the cabinet cover on front- and rear side of the machine and fix it with the screw. 4-49 Fox Maintenance © Essemtec AG...

  • Page 86: Head Maintaining

    From the front side of the machine, loosen and remove the 2 fixing screws of the cover. Remove the cover. On top of the head, loosen and remove the 3 fixing screws of the top cover (see picture). Carefully remove the cover. 4-50 © Essemtec AG Fox Maintenance...
  • Page 87 The part number of the filter can be found on the recommended spare part list. Before ordering, make sure to which Venturi valve block the filter has to fit (ZA or ZB). Re-mount the filter and plug in the vacuum tube. 4-51 Fox Maintenance © Essemtec AG...
  • Page 88 IPA Isopropyl alcohol and wipe all spindles of the head as indicated in the picture. Lubricate the spindles slightly with Essemtec P&P Head Grease (SP26/HG01) by means of a brush (anytime keep the brush clean, free of dust and metal powders).
  • Page 89 Using a soft and lint-free cloth, lightly dampened with IPA Isopropyl alcohol, wipe all guide shafts of the head as indicated in the picture. Lubricate the guide shafts slightly with Essemtec P&P Head Grease (SP26/HG01) by means of a brush (anytime keep the brush clean, free of dust and metal powders).
  • Page 90 (3). For the corrective maintenance, probably both variants may be used. Turn the valve support to its correct position. Screw in and tighten the two fixing screws (1). 4-54 © Essemtec AG Fox Maintenance...
  • Page 91 Do the following steps for all ZT elements (if more than one exists). But to avoid any risk of hose confusion, do just one ZT element after the other. Blow off (option): Remove the vacuum hose on the first valve, shown on picture (a head with two axes is pictured). 4-55 Fox Maintenance © Essemtec AG...
  • Page 92 (1). By means of the squeeze bottle, syringe or similar dosing unit, press the Isopropanol or methylated spirit through the first passage to rinse it (2). Vacuum passage with blow off (3). 4-56 © Essemtec AG Fox Maintenance...
  • Page 93 ZT elements. Reattach the Covers Carefully place the top head cover on the correct position. Screw in the three fixing screws and tighten them (see picture). 4-57 Fox Maintenance © Essemtec AG...

  • Page 94: Dispense Axes Linear Guide Cleaning / Lubricating

    0.4 cm³ (ml) at once but do it in smaller doses with moving the slider in between. Wipe off possibly excessive lubricant with a soft cloth. 4-58 © Essemtec AG Fox Maintenance...

  • Page 95: Yearly Maintenance A

    The yearly maintenance can only be carried out by authorised Essemtec personnel. If it has to be carried out by customer personnel, it is mandatory to attend an Essemtec training and it is also mandatory to buy all the tools and material to carry out the yearly maintenance (see 'Tools, Material and Scheduling').

  • Page 96: Prerequisites

    Schedule around 3 minutes to fulfill these prerequisites (see also chapter 'Tools, Material and Scheduling' for the overall effort). Note: To gain the above mentioned prerequisites, follow the steps described in chapter "Gaining Prerequisites a" on page 4-62. 4-60 © Essemtec AG Fox Maintenance...

  • Page 97: Machine Calibration

    Note: The machine calibration should be the last task of the yearly maintenance. For a successfull calibration, the sequence given in this manual has to be kept strictly. 4-61 Fox Maintenance © Essemtec AG...

  • Page 98: Steps To Gain Prerequisits For Maintenance

    Unloading Production Material In case of equipment with conveyor, remove PCB(s) on conveyor input stage. Produce Production Unload PCB Remove PCB(s) on conveyor output stage. In case of equipment without conveyor, unload all the PCBs manually. 4-62 © Essemtec AG Fox Maintenance...

  • Page 99: Gaining Prerequisits B

    Remove all feeders and/or trays to unload and clear the feeder racks and the production area. If using FLX-feeders, draw the feeder out (1) and lift it slightly (2) to remove. Store them on a proper place. 4-63 Fox Maintenance © Essemtec AG...
  • Page 100 (2). Store them on a proper place. Remove valves Not relevant for Fox machine without dispensing. It is absolutely mandatory to switch off the Jet-Controller before disconnecting the valve cables. Failure to follow this chronological sequence may result in damaged controller or valves.
  • Page 101 • Shut off the Jet-Controller. • Disconnect the all the valve cable on the head. • Disconnect all the pneumatic tubes on the head. • Open the clamping-screw with the yellow screwdriver. 4-65 Fox Maintenance © Essemtec AG...

  • Page 102: Gaining Prerequisits C

    In case of equipment without conveyor, unload all the PCBs manually. Remove valves Not relevant for Fox machine without dispensing. It is absolutely mandatory to switch off the Jet-Controller before disconnecting the valve cables. Failure to follow this chronological sequence may result in damaged controller or valves.
  • Page 103 • Shut off the Jet-Controller. • Disconnect the all the valve cable on the head. • Disconnect all the pneumatic tubes on the head. • Open the clamping-screw with the yellow screwdriver. 4-67 Fox Maintenance © Essemtec AG...
  • Page 104 Main Switch. A start of the machine may not happen before all the work on and at the machine has been finalized and all padlocks are removed. 4-68 © Essemtec AG Fox Maintenance...

  • Page 105: Corrective Maintenance

    Moving parts! Moving parts can cause serious injury. When operating softkeys keep hands, loose clothing and tools clear of all moving parts. Do not change parameters or operate softkeys unless the resultant action is known. Fox Maintenance © Essemtec AG...
  • Page 106 Consult and obey the Material Safety data Sheet (MSDS) of the corresponding material and use protective equipment if necessary. © Essemtec AG Fox Maintenance...

  • Page 107: Malfunction Table

    • Contaminated silicon tubes 5.3 Preparation For corrective maintenance, it is mandatory to switch off the machine and disconnect from electrical power and compressed air. Stopping Production Any Tab Any Menu Any Submenu (STOP button) Fox Maintenance © Essemtec AG...
  • Page 108 A start of the machine may not happen before all the work on and at the machine has been finalized and all padlocks are removed. Disconnect the Machine • Disconnect from electrical power. • Disconnect from compressed air. © Essemtec AG Fox Maintenance...

  • Page 109: P&P Head

    Precision circlip pliers 8-13 mm, with 90° angled tips SP/TOOL-26 Auxiliary Material: Soft and lint-free cloth Cotton stick (Q-Tip) SP26/MAIN 02 Conical Brush IPA (Isopropyl alcohol) Special grease for P&P Head SP26/HG01 Special grease for P&P Head SP26/HG04 Spareparts: none, if necessary new circlip Fox Maintenance © Essemtec AG...
  • Page 110 The replacement of the circlip cannot be done in the field. Remove Head Covers (if not already removed) From the front side of the machine, loosen and remove the 2 fixing screws of the cover. Remove the cover. © Essemtec AG Fox Maintenance...
  • Page 111 Without blow off valve, follow the next single step called No blow off. Do the following steps for all ZT elements (if more than one exists). But to avoid any risk of hose confusion, do just one ZT element after the other. Fox Maintenance © Essemtec AG...
  • Page 112 Corrective Maintenance Blow off (option): Remove the vacuum hose on the first valve, shown on picture (a head with two axes is pictured). No blow off: Remove the vacuum hose on the valve, shown on picture. © Essemtec AG Fox Maintenance...
  • Page 113 Afterwards plug in the vacuum hose on the first valve for blowing out the cleaning liquid and drying the passage. Repeat above steps for all vacuum hoses, one by one. Fox Maintenance © Essemtec AG...
  • Page 114 1. For the corrective maintenance (Vacuum Feedthrough Cleaning), the head bottom cover has to be removed in any case. Turn the valve support to the side. 5-10 © Essemtec AG Fox Maintenance...
  • Page 115 Loosen the grub screw on front of the head (1) Plug out the silicon tube and pull down the metal connecting piece (2). Clean the Axis below the Feedthrough Clean dust, using IPA Isopropyl alcohol and a soft lint-free cloth (5). 5-11 Fox Maintenance © Essemtec AG...
  • Page 116 Move feedthrough piece down to expose the recesses in the shaft of the ZT axis (4). Clean and Lubricate the Feedthrough Clean dust, using IPA Isopropyl alcohol and a soft lint-free cloth (5) and with a cotton tip. 5-12 © Essemtec AG Fox Maintenance...
  • Page 117 Turn the axis while applying. Move the feedthrough piece to the uppermost position. Make sure that the metal pin fits into the hole of the bearing. 5-13 Fox Maintenance © Essemtec AG...
  • Page 118 (3). For the corrective maintenance, probably both variants may be used. Turn the valve support to its correct position. Screw in and tighten the two fixing screws (1). 5-14 © Essemtec AG Fox Maintenance...

  • Page 119: Head Removal From Machine

    Screw in the two fixing screws and tighten them. 5.4.2 Head Removal from Machine Tools and Material Tools: Set of Allen keys V5 Head Assembly Tool ESSP-115183 Screwdriver 0 or 1 Auxiliary Material: none Spareparts: none 5-15 Fox Maintenance © Essemtec AG...
  • Page 120 From the front side of the machine, loosen and remove the 2 fixing screws of the cover. Remove the cover. On top of the head, loosen and remove the 3 fixing screws of the top cover (see picture). Carefully remove the cover. 5-16 © Essemtec AG Fox Maintenance...
  • Page 121 Pull down the ZT element(s) and place the head assembly tool(s) ESSP-115183 as shown on picture. The purpose of the head assembly tool is to hold down the ZT element(s) for an easy and gentle access of the head fixing screw. 5-17 Fox Maintenance © Essemtec AG...
  • Page 122 Loosen and remove the upper head fixing screw very carefully. Do not touch the encoder(s) of the ZT element(s). Pull out the head assembly tool(s) so that the ZT element can move up to its neutral position. 5-18 © Essemtec AG Fox Maintenance...

  • Page 123: Head Mounting Onto Machine

    Pull down the ZT element(s) and place the head assembly tool(s) ESSP-115183 as shown on picture. The purpose of the head assembly tool is to hold down the ZT element(s) for an easy and gentle access of the head fixing screw. 5-19 Fox Maintenance © Essemtec AG...
  • Page 124 Plug in all flex prints and edge connectors on the PCB side (tighten the connector clamp after pushing in the flex print). Remove the head assembly tool(s) and release the axis. Reconnect all vacuum tubes. 5-20 © Essemtec AG Fox Maintenance...
  • Page 125 Turn the valve support to its correct position. Screw in and tighten the two fixing screws (1). Reattach the Covers Carefully place the top head cover on the correct position. Screw in the three fixing screws and tighten them (see picture). 5-21 Fox Maintenance © Essemtec AG...
  • Page 126 Corrective Maintenance Carefully place the head cover on the correct position. Screw in the two fixing screws and tighten them. 5-22 © Essemtec AG Fox Maintenance...

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