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AVL Looms A Series Assembly Manual

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A-Series Dobby Loom
Assembly Manual
AVL Looms
2360 Park Avenue
Chico, CA 95928-6785
U.S.A.
530 893-4915
530 893-1372 (fax#)
info@avlusa.com(e-mail)
www.avlusa.com
v. 1.1
Copyright ©2019
All Rights Reserved Worldwide

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  • Page 1 A-Series Dobby Loom Assembly Manual AVL Looms 2360 Park Avenue Chico, CA 95928-6785 U.S.A. 530 893-4915 530 893-1372 (fax#) info@avlusa.com(e-mail) www.avlusa.com v. 1.1 Copyright ©2019 All Rights Reserved Worldwide...

  • Page 3: Table Of Contents

    A-Series Dobby Loom Assembly Manual Introductory Information Introductory Information ........................ 1 Safety ............................2 Introduction ..........................4 Loom Features ..........................4 Basics of Assembly ........................7 the Loom ............................. 8 Frame Assembly ........................... 11 Loom Orientation ........................12 Tools Needed For Assembly ..................... 12 Unpacking ..........................
  • Page 4 Introductory Information A-Series Dobby Loom Assembly Manual Bottom Swing Beater ........................83 Install Beater Bumpers ......................84 Bottom Swing Beater Supports ....................85 Bottom Swing Beater ........................ 86 Single-Box Flyshuttle Tie-Up (optional) .................. 90 Overhead Beater (Optional) ......................93 Overhead Beater (optional equipment) ..................94 Overhead Single-Box Flyshuttle Beater Tie-Up (optional equipment) ........
  • Page 5 A-Series Dobby Loom Assembly Manual Introductory Information AVL Customer Service ......................166 AVL Warranties ........................166 Notice to Users in the European Union .................. 167 List of Figures Figure 1 - Full Loom - Left Side ..................... 9 Figure 2 - Full Loom - Right Side ....................10 Figure 3 - Tools Needed for Assembly ..................
  • Page 6 Introductory Information A-Series Dobby Loom Assembly Manual Figure 40 - Dobby on the Loom ....................37 Figure 41 - Left side of the Mechanical Dobby with springs ............39 Figure 42 - Dobby Cam and Pulley ....................40 Figure 43 - Treadle Pulleys ......................41 Figure 44 - Bolt for the Treadle Cable ..................
  • Page 7 A-Series Dobby Loom Assembly Manual Introductory Information Figure 86 - Ring Temple from Front .................... 82 Figure 87 - Beater Bumper Block ....................84 Figure 88 - Beater Support ......................85 Figure 89 - Bottom Swing Beater Support ................... 86 Figure 90 - Beater Leg ........................
  • Page 8 Introductory Information A-Series Dobby Loom Assembly Manual Figure 132 - Locking brake tieup....................140 Figure 133 - Bustle Assembly on loom ..................141 Figure 134 - Bustle with tie-up ....................142 Figure 135 - FRL Placement ....................... 146 Figure 136 - Air Flow Control Valves ..................148 Figure 137 - A-Lift Foot Pedal ....................

  • Page 9: Introductory Information

    A-Series Dobby Loom Assembly Manual Introductory Information INTRODUCTORY INFORMATION NTRODUCTORY NFORMATION Introductory Information Page | 1...

  • Page 10: Safety

    Introductory Information A-Series Dobby Loom Assembly Manual AFETY Before Getting Started: Please read the entire manual before using the loom. Warnings: WARNING: EQUIPMENT SHOULD ONLY BE USED FOR TEXTILE MANUFACTURING. IF THE EQUIPMENT IS USED IN A MANNER NOT SPECIFIED BY THE MANUFACTURER, THE PROTECTION PROVIDED BY THE EQUIPMENT MAY BE IMPAIRED.
  • Page 11 A-Series Dobby Loom Assembly Manual Introductory Information WARNING: EQUIPMENT PANELS ARE AWKWARD AND HEAVY. TO AVOID MUSCLE STRAIN OR INJURY, USE PROPER LIFTING TECHNIQUES AND A HELPER. WARNING: DO NOT POSITION EQUIPMENT IN A WAY TO BLOCK OR IMPEDE ACCESS TO DISCONNECTING DEVICES, EMERGENCY STOPS, OR ON/OFF BREAKER SWITCHES WARNING:...

  • Page 12: Introduction

    Introductory Information A-Series Dobby Loom Assembly Manual NTRODUCTION Congratulations on the purchase of your new loom! The A-series loom will give you years of dependable service. If you do run into any problems or just have questions, purchasing your loom from AVL entitles you to customer support as long as you own your loom.
  • Page 13 You can order half size weights from AVL Looms. This can be used by itself for very light tension or can be used with the existing weight if more tension is needed.
  • Page 14 Introductory Information A-Series Dobby Loom Assembly Manual Sectional Beam If you have purchased a Sectional Beam, you will find it to be extremely adaptable to your needs. Because each hoop is removable, you may create sections of any width of one-inch or more you like. An AVL Sectional Beam with metal hoops has holes for the hoops at 1”...

  • Page 15: Basics Of Assembly

    A-Series Dobby Loom Assembly Manual Introductory Information whether twisted wire or flat steel, are suspended from steel heddle bars mounted in rigid frames; polyester heddles are carried on Harness Sticks, top and bottom. In all cases, the harnesses are stabilized at the bottom by a series of springs.

  • Page 16: The Loom

    You will find instructions on using your new loom in the A-series Weaving Manual. Some of the features on AVL looms may differ from other looms you have used. Please review the Weaving Manual before beginning to use your loom.
  • Page 17 A-Series Dobby Loom Assembly Manual Introductory Information Figure 1 - Full Loom - Left Side the Loom Page | 9...
  • Page 18 Introductory Information A-Series Dobby Loom Assembly Manual Figure 2 - Full Loom - Right Side Page | 10 the Loom...

  • Page 19: Frame Assembly

    A-Series Dobby Loom Assembly Manual Frame Assembly FRAME ASSEMBLY RAME SSEMBLY Frame Assembly Page | 11...

  • Page 20: Loom Orientation

    Frame Assembly A-Series Dobby Loom Assembly Manual RIENTATION Before you get started, please take a minute to familiarize yourself with how we describe the loom in this manual. The front of the loom is where you will sit; the back of the loom is where the warp beam is.

  • Page 21: Unpacking

    A-Series Dobby Loom Assembly Manual Frame Assembly A ratchet/socket set is very helpful and will speed up the assembly process, but it is not essential, except in the case of mounting the tension box track arms. For this assembly, you will need a 1/2"socket. An Allen wrench is also used during the assembly.

  • Page 22: Hardware Identification

    Frame Assembly A-Series Dobby Loom Assembly Manual ARDWARE DENTIFICATION There are a number of different types of hardware that will hold your loom together. The following chart will help you familiarize yourself with the types of hardware you will encounter. Figure 4 - Hex Bolt Figure 5 - Carriage Bolt...
  • Page 23 A-Series Dobby Loom Assembly Manual Frame Assembly Figure 11 - Allen Figure 12 - Black Wrench Knob Figure 13 - Measuring Bolts Figure 14 - Stop Collar Stop Collars hold items securely on rods. They will usually be in place on an assembly however, you will need to adjust or remove them.

  • Page 24: Side Frame Assembly

    Frame Assembly A-Series Dobby Loom Assembly Manual Remember to put washers under the heads of the hex bolts and the exposed nuts (nuts that are not in access holes) to prevent damage to the wood. Do not place washers inside the nut access hole as this will prevent the nut from tightening completely.
  • Page 25 A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Frame Assembly Frame Assembly Note: The numbers are located on the edges of the pieces and will not be visible The numbers are located on the edges of the pieces and will not be visible The numbers are located on the edges of the pieces and will not be visible The numbers are located on the edges of the pieces and will not be visible...
  • Page 26 Frame Assembly Frame Assembly A-Series Dobby Loom Assembly Manual ies Dobby Loom Assembly Manual ies Dobby Loom Assembly Manual ies Dobby Loom Assembly Manual Assemble the side frame base Assemble the side frame base Assemble the side frame base Assemble the side frame base Find the hardware the hardware the hardware package...
  • Page 27 A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Frame Assembly Frame Assembly Complete the side frame Complete the side frame Complete the side frame Complete the side frame Find the the lower cloth cloth beam...
  • Page 28 Frame Assembly Frame Assembly A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual activate the dobby. There are cables are attached between the treadles or e activate the dobby. There are cables are attached between the treadles or e activate the dobby.

  • Page 29: Joining Side Frames

    A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Frame Assembly Frame Assembly Slide the rod through the hole on the Slide the rod through the hole on the Slide the rod through the hole on the Slide the rod through the hole on the Slide the rod through the hole on the other vertical support.
  • Page 30 Frame Assembly Frame Assembly A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Place the upper back (#5) the upper back (#5) the upper back (#5) between the left and right side frames. between the left and right side frames.

  • Page 31: Installing Treadles

    A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Frame Assembly Frame Assembly Place the lower front Place the lower front Place the lower front on the loom on the loom. From the outside of the loom, insert the From the outside of the loom, insert the From the outside of the loom, insert the...

  • Page 32: Treadle Pulley Support (#12)

    Frame Assembly A-Series Dobby Loom Assembly Manual Find the treadles. There are two treadles: one is shorter than the other. The longer one is on the left. Take the rod that you took off of the lower front and slip it through the horizontal hole at the end of each treadle with both plastic spacers in place between the treadles.
  • Page 33 A-Series Dobby Loom Assembly Manual Frame Assembly or Lift Support (#12). The upper (outer) holes would only be used if you converted your A-series loom to a Jacquard Loom. Treadle Equipped Looms On a treadle equipped loom, the treadle pulley support consists of two rods connecting two wooden pieces.

  • Page 34: Installation Of The E-Lift

    Frame Assembly A-Series Dobby Loom Assembly Manual Figure 28 - Lift Support Place the front #12 cross member so that the two holes in the beam are closest to the right side of the loom. Note: The holes in this beam will hold the e-lift. They should line up with the holes in the rear cross member.
  • Page 35 A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Frame Assembly Frame Assembly Installing the Installing the E E-Lift Motor Motor-Controller Assembly Controller Assembly Controller Assembly The E-Lift will be mounted to the #12 Lift will be mounted to the #12 Lift will be mounted to the #12 Lift will be mounted to the #12...
  • Page 36 Frame Assembly Frame Assembly A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Make sure Make sure that the E that the E-Lift power switch faces to the rear of the l Lift power switch faces to the rear of the l Lift power switch faces to the rear of the l Lift power switch faces to the rear of the l...

  • Page 37: Spring Lever / Spring Perch Assembly (#11)

    A-Series Dobby Loom Assembly Manual Frame Assembly Place a washer, a lock washer, and a hex nut on each bolt and tighten thoroughly. Figure 31 – Lock Washer Note: The lock washer must be next to the nut in order to work correctly. It will prevent vibrations from the unit from causing the nut to come loose.
  • Page 38 Frame Assembly A-Series Dobby Loom Assembly Manual Starting with the rear-most spring lever, attach the spring to the hook on one side and the chain to the hook on the other side. Figure 33 - Spring Lever Assembly 32 / 40 Harness Equipped Looms Find the spring perch assembly.

  • Page 39: Squaring And Leveling The Frame

    A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Frame Assembl Frame Assembly QUARING QUARING AND EVELING EVELING RAME RAME Now that you have completely assembled the Now that you have completely assembled the Now that you have completely assembled the Now that you have completely assembled the Now that you have completely assembled the...
  • Page 40 Frame Assembly Frame Assembly A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual to use shims under the four corner verticals in order to achieve to use shims under the four corner verticals in order to achieve to use shims under the four corner verticals in order to achieve to use shims under the four corner verticals in order to achieve to use shims under the four corner verticals in order to achieve...

  • Page 41: Install The Inner Workings

    A-Series Dobby Loom Assembly Manual Install the Inner Workings INSTALL THE INNER WORKINGS NSTALL THE NNER ORKINGS Install the Inner Workings Page | 33...

  • Page 42: Harness Pulley Support (#10)

    Install the Inner Workings A-Series Dobby Loom Assembly Manual (#10) ARNESS ULLEY UPPORT Find the harness pulley support. This assembly has three rows of pulleys between two long cross members. Find four 5/16" x 7-1/2" hex bolts, washers, and hex nuts. You’ll need washers under the hex bolts and the hex nuts.

  • Page 43: Dobby Head Installation

    A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Install the Inner Workings Install the Inner Workings Install the Inner Workings OBBY OBBY NSTALLATION NSTALLATION NSTALLATION The Compu The Compu-Dobby will arrive in a separate box. The dobby is Dobby will arrive in a separate box.
  • Page 44 Install the Inner Workings A-Series Dobby Loom Assembly Manual The dobby is placed on the right side of the loom under the harness pulley support. Bring the dobby into position. Note: If you have problems placing the Dobby head correctly, loosen the harness pulley support until you have the dobby head positioned and the bolts tightened.
  • Page 45 A-Series Dobby Loom Assembly Manual Install the Inner Workings Check that all the bolts and screws holding the dobby set up to the backboard are tight. Figure 40 - Dobby on the Loom Each of the dobby cables in the dobby needs to have some tension in order for proper selection by the Compu-Dobby.
  • Page 46 Install the Inner Workings A-Series Dobby Loom Assembly Manual Remove these washers and nuts making sure you don’t unseat the carriage bolt heads. The dobby is placed on the right side of the loom under the harness pulley support. Bring the dobby into position. Place the dobby head so that the two 5/16"...
  • Page 47 A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Install the Inner Workings Install the Inner Workings Install the Inner Workings Checking Checking the Springs Springs Sometimes Sometimes during during shipping, shipping, the springs springs on the...

  • Page 48: Treadle Tie-Up

    Install the Inner Workings A-Series Dobby Loom Assembly Manual READLE If you have an e-lift, please skip this section and move on to the next section on setting up the e-lift cables. Left Treadle There are two cables coming out of the bottom of the dobby head. Take the longest one and run it down to and under the groove of the pulley nearest to the rear of the loom in the dobby cam and pulley assembly.
  • Page 49 A-Series Dobby Loom Assembly Manual Install the Inner Workings Continue routing the cable through the loom and over the far left pulley in the treadle pulley assembly down to the treadle. You may need to climb inside the loom. Figure 43 - Treadle Pulleys There is a bolt going through the large access hole near the far end of each treadle.
  • Page 50 Install the Inner Workings Install the Inner Workings Install the Inner Workings A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Right Treadle Treadle There are two There are two cable cables wound wound around and taped to the cam around and taped to the cam...
  • Page 51 A-Series Dobby Loom Assembly Manual Install the Inner Workings Replace and tighten the bolt and acorn nut as you did on the left treadle. The right treadle cable is now attached to the dobby cam cylinder. On the other side of the dobby cam cylinder there is another cable taped wound around the cylinder and taped down.
  • Page 52 Install the Inner Workings A-Series Dobby Loom Assembly Manual Take the turnbuckle completely off the dobby cable and then restart it again with no more than two turns. Pull up the cable that makes the treadle go up and down and screw the turnbuckle to the eyebolt (this is a reverse thread so turn the turnbuckle in the same direction you did to start it onto the dobby cable eyebolt).

  • Page 53: Setting Up The E-Lift Cables

    A-Series Dobby Loom Assembly Manual Install the Inner Workings ETTING UP THE ABLES If you have a treadle system and have followed the instructions in the previous section, you can move on to the next section. Installing the Cam-Pulley Cables There is a cable wrapped around the cam pulley that will go to the dobby slide plate.
  • Page 54 Install the Inner Workings A-Series Dobby Loom Assembly Manual You will need to position the cam pulley correctly to vertically align the cable between the pulley and the slide plate. Loosen the stop collars around the cam-pulley and move the cam pulley as needed. Tighten the stop collars.
  • Page 55 A-Series Dobby Loom Assembly Manual Install the Inner Workings Bring this cable over to the spring lever and loop it around the pulley on the side of the lever. Figure 51 - E-lift Spring Lever Now, you will need to pull against the spring in order to bring the looped end of the cable around the pulley on the lever and back toward the right side of the loom, to anchor it at the open J-Bolt.
  • Page 56 Install the Inner Workings Install the Inner Workings Install the Inner Workings A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual There is a small hole in the nautilus There is a small hole in the nautilus There is a small hole in the nautilus There is a small hole in the nautilus...

  • Page 57: Attaching The Harness Cables

    A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Install the Inner Workings Install the Inner Workings Install the Inner Workings TTACHING THE TTACHING THE TTACHING THE ARNESS ARNESS ARNESS ABLES ABLES...
  • Page 58 Install the Inner Workings Install the Inner Workings Install the Inner Workings A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Figure Figure 55 - Berkeley Clips Berkeley Clips Berkeley Clips Repeat this process for the remaining harness Repeat this process for the remaining harness...
  • Page 59 A-Series Dobby Loom Assembly Manual Install the Inner Workings Route the longer cable over the far pulley on the left side of the loom and let it hang. Figure 57 - Harness cables hanging on loom Repeat this procedure with each of the remaining cables until all of the harness cables are over all of the pulleys.

  • Page 60: Heddles

    Install the Inner Workings A-Series Dobby Loom Assembly Manual EDDLES Your loom may be equipped with either polyester or metal heddles. Choose the correct section below for your loom. As of the publication of this manual, the A-series loom comes with 100 heddles per harness, although you can distribute them in any configuration you like.
  • Page 61 A-Series Dobby Loom Assembly Manual Install the Inner Workings Note: You will need to cut the bundle of heddles apart. You can do that either before you place them on the loom, or after. If you need to create smaller bundles of heddles: Leave the twist ties on, and count out the number of heddles you want.
  • Page 62 Install the Inner Workings A-Series Dobby Loom Assembly Manual Figure 59 - Parallel Harness Sticks Take a group of the heddles and insert each harness stick into one of the spaces created by the twist ties. Figure 60 - Harness Sticks with Heddles Once the harness is complete you can remove the twist ties and spread the heddles out.
  • Page 63 A-Series Dobby Loom Assembly Manual Install the Inner Workings of harness 4 with orange. Harness 5’s code color will be purple, harness 6’s code color red, and so on. Now pick up your harness assembly by the top harness. Bring it over to your loom and hook a set of harness to the screw eyes in the harness stick.
  • Page 64 Install the Inner Workings A-Series Dobby Loom Assembly Manual frames. One is marked “1” and the frames should be placed to the front of the loom. The other is marked “2” and the frames should be placed to the back of the loom. The top of the frame is also marked. Remove the clips from either end of the heddle rods and transfer the desired amount of heddles onto each harness.
  • Page 65 A-Series Dobby Loom Assembly Manual Install the Inner Workings Note: The chain is for adjusting the harness tension. For now, attach the last link to the wire hook. When you put your first warp on, adjust the tension with the chain.

  • Page 67: Installing Beams And Rollers

    A-Series Dobby Loom Assembly Manual Installing Beams And Rollers INSTALLING BEAMS AND ROLLERS NSTALLING EAMS AND OLLERS Installing Beams and Rollers Page | 59...

  • Page 68: Warp Beams

    Installing Beams And Rollers A-Series Dobby Loom Assembly Manual EAMS The A-Series comes standard with the ability to use two warp beams at a time. With this system, you can use a one-yard sectional beam in the upper position. You can use a ½-yard sectional or plain beam in either the upper or the lower position depending on the brake cable you have available.

  • Page 69: Install The Lower Warp Beam

    A-Series Dobby Loom Assembly Manual Installing Beams And Rollers NSTALL THE OWER Either the plain warp beam or the ½ yard sectional warp beam can be installed in the lower position. The axle of the warp beam is locked in place by the beam retainers.

  • Page 70: Install The Upper Warp Beam

    Installing Beams And Rollers A-Series Dobby Loom Assembly Manual Line up the hole in the axle with the carriage bolt and push it through. Figure 64 - Warp Beam Handle Reattach the washer and wing nut and tighten. NSTALL THE PPER If you have ordered a one yard sectional beam, it can only be placed in the upper position.

  • Page 71: Installing The Separation Roller (#39)

    A-Series Dobby Loom Assembly Manual Installing Beams And Rollers (#39) NSTALLING THE EPARATION OLLER If you have ordered one beam, you will receive one separation roller. If that beam is a plain beam or a ½ yard sectional beam, the separation roller will go in the lower position.
  • Page 72 Installing Beams And Rollers A-Series Dobby Loom Assembly Manual Find the tension arm and place it so that the face of the pulley lies against the inside of the left rear vertical. Figure 65 - Lower Warp Beam Tension Remove the long bolt from the pulley end of the tension arm. Keeping one washer on the bolt, push the bolt through the lower hole in the rear vertical from the outside for the plain beam.
  • Page 73 A-Series Dobby Loom Assembly Manual Installing Beams And Rollers are putting on a 1/2 yard sectional beam, insert the bolt from the inside to provide rotation clearance for the beam. Put on another washer on and slip the tension arm, with its metal bushing, onto the bolt.
  • Page 74 Installing Beams And Rollers A-Series Dobby Loom Assembly Manual The cord comes from the bolt in the tension arm, over the top of the pulley, and down around the front side of the drum on the warp beam. Wrap the cord around the warp beam drum three times with the first wrap toward the outside of the loom.
  • Page 75 A-Series Dobby Loom Assembly Manual Installing Beams And Rollers tension arm cable will be marked #38S and will be a coated cable. If you have a ½ yard sectional beam or a plain beam, you will have a cord marked #38P.
  • Page 76 Installing Beams And Rollers A-Series Dobby Loom Assembly Manual Remove the long bolt (with its nut and washers) from the pulley end of the tension arm. Put one of the washers back on the bolt and push the bolt through the upper hole in the left rear vertical from the outside.
  • Page 77 A-Series Dobby Loom Assembly Manual Installing Beams And Rollers Wrap the cable around the sectional beam drum three times (as shown) with the first wrap toward the outside of the loom. Tension Cord Adjustment At the end of the cable or cord assembly is an eyebolt. Remove one hex nut and washer from the eyebolt and insert it (from the inside of the loom) through the hole at the very back of the upper left horizontal frame piece.
  • Page 78 Installing Beams And Rollers A-Series Dobby Loom Assembly Manual Find the tension arm weight. It is a heavy black disk with a wooden bracket on one side of it. To attach the weight to the arm, you will need to remove the black knobs and wooden bracket from the weight.

  • Page 79: Installing The Cloth Beam

    A-Series Dobby Loom Assembly Manual Installing Beams And Rollers NSTALLING THE LOTH The cloth beam can be taken in and out of the loom simply and easily by removing the upper section of either cloth beam support. The cloth beam (or sticky beam) can have three different types of coating: sandpaper, softgrip, or smoothgrip.

  • Page 80: Cloth Storage System

    Installing Beams And Rollers A-Series Dobby Loom Assembly Manual Slip the end of the cloth beam with the ratchet, handle, and spacer ring into the hole in the right cloth beam support. Figure 74 - Right Side Cloth Beam Support Now bring down the left end of the beam and fit the pin (belonging to the lower portion of the cloth beam support) into the slot (belonging to the upper portion).
  • Page 81 A-Series Dobby Loom Assembly Manual Installing Beams And Rollers 4 Washers 4 Hex/Jamb Nuts Mounting the Pressure Roller Mount Brackets Find the two diagonally spaced holes in the Lower Cloth Beam Support, below and slightly behind the Upper Cloth Beam Support. Insert the carriage bolts, from the outside, through the Support and Bracket.
  • Page 82 Installing Beams And Rollers A-Series Dobby Loom Assembly Manual Installation of the Pressure Roller Find the Pressure Roller. Position it along the back of the Cloth Beam, aligning the pins at each end with the openings in the Mount Bracket "claws". Figure 76 - Pressure Roller and Cloth Beam on Loom Drop the Pressure Roller into place.
  • Page 83 A-Series Dobby Loom Assembly Manual Installing Beams And Rollers Place the roller in the bracket on the other side. Figure 77 - Cloth Storage System Rollers Cloth Take-Up Drum Assembly Find the Cloth Take-Up Drum Assembly (#30). There is a metal ratchet and shaft attached to it.
  • Page 84 Installing Beams And Rollers A-Series Dobby Loom Assembly Manual Find the Cloth Storage Drum Assembly (#29). There is a cloth storage drum with roller tube end and shaft attached to it. It will be mounted to the bottom of the right rear vertical on the outside of the loom.
  • Page 85 A-Series Series Dobby Loom Assembly Manual Dobby Loom Assembly Manual Dobby Loom Assembly Manual Installing Beams And Rollers Installing Beams And Rollers Installing Beams And Rollers Installing Beams And Rollers Continue on past the next pulley on the lower Continue on past the next pulley on the lower Continue on past the next pulley on the lower Continue on past the next pulley on the lower Continue on past the next pulley on the lower...
  • Page 86 Installing Beams And Rollers A-Series Dobby Loom Assembly Manual Thread the cord end from the inside, through the hole at the base of the concave surface of the drum and tie a double-knot on the outside. Figure 81 - Knot on Cloth Take-up Drum There is a retention pin affixed to the rear vertical.
  • Page 87 A-Series Dobby Loom Assembly Manual Installing Beams And Rollers Then wind the apron once around itself so that it holds itself in place. Place a spacer, then the roller on the loom with one end on the cloth storage drum assembly. Place the other end in the slot on the other side.

  • Page 88: Temple System (To Prevent Draw-In)

    Installing Beams And Rollers A-Series Dobby Loom Assembly Manual EMPLE YSTEM REVENT The Temple System is used to maintain a good selvage and prevent draw-in. You’ll usually deploy it after you’ve woven-off some fabric, once you have selvage enough to work with. It consists of two rollers (barrels), working in tandem, which grab the selvage and prevent it from drawing in.
  • Page 89 A-Series Dobby Loom Assembly Manual Installing Beams And Rollers Put on both brackets, then loosen the button head cap screws on the top of the bracket in order to insert the rod. Figure 84 - Button Head Cap Screws Once the rod is in place, tighten the cap screws securely. Remove the rotary temple assembly from the packet.
  • Page 90 Installing Beams And Rollers A-Series Dobby Loom Assembly Manual Mount the temple cloth guide onto the rod. The rod retainer needs to face the back of the loom. Figure 86 - Rotary Temple from Front Page | 82 Temple System (To Prevent Draw-In)

  • Page 91: Bottom Swing Beater

    A-Series Dobby Loom Assembly Manual Bottom Swing Beater BOTTOM SWING BEATER OTTOM WING EATER Note: If your beater is of the “overhead” type, proceed to the next section on page 94, which covers overhead beaters. Bottom Swing Beater Page | 83...

  • Page 92: Install Beater Bumpers

    Bottom Swing Beater A-Series Dobby Loom Assembly Manual NOTE: When using carriage bolts, be sure that the square portion is seated in the wood. You may need to tap the bolts with a mallet in order to properly seat the bolts. NSTALL EATER UMPERS...

  • Page 93: Bottom Swing Beater Supports

    A-Series Dobby Loom Assembly Manual Bottom Swing Beater OTTOM WING EATER UPPORTS The beater supports can now be bolted to the loom. Find your beater supports (#34). There’s one for each side of the loom. Also take out two 1-1/2” long screws from the beater hardware package Place the support so that the round spacers and metal pins are facing toward the loom and the spacer with the threaded rod and...

  • Page 94: Bottom Swing Beater

    Bottom Swing Beater A-Series Dobby Loom Assembly Manual Position the metal bracket that’s attached to the front of the beater support over the two holes and insert the screws. Tighten them down. Figure 89 - Bottom Swing Beater Support Repeat these steps for the other side. OTTOM WING EATER...
  • Page 95 A-Series Dobby Loom Assembly Manual Bottom Swing Beater Six, seven, or nine (depending upon the width of your loom) 5/16" x 3-1/4"carriage bolts with washers and wing nuts attached 1/4" x 2-1/4" carriage bolts Place the shuttle race so that the lengthwise groove is to the top and is facing toward the rear of the loom.
  • Page 96 Bottom Swing Beater A-Series Dobby Loom Assembly Manual Insert two of the 5/16" x3-1/2"carriage bolts, from the front of the race, through the race, and into the two innermost holes in the beater leg. Use the carriage bolts with the hex nuts. Attach the washers and nuts and tighten slightly.
  • Page 97 A-Series Dobby Loom Assembly Manual Bottom Swing Beater Insert 1/4" x 2-1/4" carriage bolts into the holes at each end from the front. Place them through the slot at the top of the beater leg. Make sure the reed is secure and tighten the wing nuts. Now securely tighten the carriage bolts that attach the legs to the race.

  • Page 98: Single-Box Flyshuttle Tie-Up (Optional)

    Bottom Swing Beater Bottom Swing Beater Bottom Swing Beater A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Add the reed to the beater Add the reed to the beater Add the reed to the beater Add the reed to the beater Find the reed support.
  • Page 99 A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Bottom Swing Beater Bottom Swing Beater Bottom Swing Beater Screweye Screweye two 5/16" x 2 two 5/16" x 2 two 5/16" x 2-1/4" carriage bolts 1/4"...

  • Page 101: Overhead Beater (Optional)

    A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) OVERHEAD BEATER (OPTIONAL) VERHEAD EATER Overhead Beater Page | 93...

  • Page 102: Overhead Beater (Optional Equipment)

    Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual VERHEAD EATER OPTIONAL EQUIPMENT NOTE: When using carriage bolts, be sure that the square portion is seated in the wood. You may need to tap the bolts with a mallet in order to properly seat the bolts.
  • Page 103 A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) Mount the Beater Retainer The beater retainer will be attached to the inside face of the left cloth beam support. Figure 95 - Beater Retainer Insert the #12 x 1-1/2"flat head wood screw through the beater retainer and into the pre- drilled hole on the inside of the left cloth beam support.
  • Page 104 Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual Place the beater pivot bases on the upper edge of each top horizontal on the assembled side frames of your loom so the notched ends face upward. Insert the #8 x 3/4" pan head wood screws from the top of the beater pivot bases and screw them into the pre-drilled holes.
  • Page 105 A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) Lay the shuttle race on top of the two uprights so that it covers the two holes in the face of each upright. The groove in the shuttle race will be to the top and back when the beater is on the loom. For now it should face the floor.
  • Page 106 Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual Insert the carriage bolts through the holes near each end of the beater top and then through the slots that are just below the metal bracket of each upright. Place the beater in the loom. For now, it will just sit in the loom resting on top of the cloth beam supports just in front of the harnesses.
  • Page 107 A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) Install the other arm in the same way. On the other end of the hanging arm there is a block of wood that the beater adjustment screw goes through. Set the foot at the bottom of the beater adjustment screw into the notch in the center of the beater pivot base.
  • Page 108 Overhead Be Overhead Beater (Optional) ater (Optional) A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Insert the axle Insert the axle and the tilting arms and the tilting arms and the tilting arms and the tilting arms The axle is a long, black pipe that goes through the axle mounting blocks at...
  • Page 109 A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) Insert two 5/16" x 5" hex bolts, washers, and square nuts through the shuttle race and uprights into the nut access hole of the push arm. Figure 103 - Push Arms and Tilt Arms Tighten these bolts making sure that the outer face of each push arm is flush with the outer edge of the uprights.
  • Page 110 Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual Note: You will need two people to complete this operation. The racking adjustment bolts should be tightened while the entire beater is being held firmly against the beater bumpers. Note: When racking the beater, the beater must touch both the left and the right bumpers at the same time.
  • Page 111 A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) Attach the Beater Return spring assembly This assembly is used to assist the weaver in returning the beater to the back position. It is not intended to hold the beater in this position as that is the purpose of the beater retainer.
  • Page 112 Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual Place the eyebolt through the hole provided on each bottom horizontal of the side frame assembly with the eye of the bolt on the outside of the side frame. Figure 105 - Beater Return Spring Assembly Replace the washer and hex nut and tighten securely.

  • Page 113: Overhead Single-Box Flyshuttle Beater Tie-Up (Optional Equipment)

    A-Series Dobby Loom Ass Series Dobby Loom Ass Series Dobby Loom Assembly Manual embly Manual Overhead Beater (Optional) Overhead Beater (Optional) Overhead Beater (Optional) carriage carriage bolts inserted from the front with washers and wing nuts bolts inserted from the front with washers and wing nuts bolts inserted from the front with washers and wing nuts bolts inserted from the front with washers and wing nuts bolts inserted from the front with washers and wing nuts...
  • Page 114 Overhead Beater (Optional) Overhead Beater (Optional) Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual string tie string tie-up up and handle and handle flystring supports (#43) flystring supports (#43) flystring supports (#43) flystring supports (#43)

  • Page 115: Overhead Multi -Box Flyshuttle Beater Optional Equipment

    A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) Attach the clip at the end of the cord coming from the picker to the screweye on the flystring supports that you just installed. Make sure the cord goes over the top of the snubber. The snubber is a small, round plastic piece above the shuttle box.
  • Page 116 Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual Add the drop box assembly to the beater The Drop box assembly is marked left or right. Find the left drop box assembly. There are two holes through the back plate in the lower right corner and a nut access hole in the upper right corner.

  • Page 117: Vertical Pull Flystring Tie-Up

    A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) Attach the drop box assembly to the shuttle race with two 5/16" x3"carriage bolts inserted from the front with washers and hex nuts behind the back plate. Figure 110 - Flyshuttle Box from back Now tighten all bolts holding the drop box assembly to the beater.
  • Page 118 Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual Feed the loop down from the top of the handle through the hole on either side of the brass pin that divides the hole. Now feed the loop back through the hole on the other side of the brass pin.
  • Page 119 A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) Route the flyshuttle cord There is a hole in each picker that is larger on the outside than it is on the inside. This hole is about 3/8" in diameter on the outer side of the picker and about 1/8"...

  • Page 120: Two-Box Flyshuttle - Dropbox Movement

    Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual After the cord has gone through the picker, add the small spring, then the washer from the hardware packet to the cord Figure 114 - Spring and washer on Flyshuttle cord Tie a knot in the cord. Note: The positioning of this knot will determine the operating height of the flystring handle, so make sure that you are satisfied with its position before tying the...
  • Page 121 A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) The boxes slide up and down on a metal rod which is fixed at both ends to cast metal pieces in order to change the box. There is a brass adjustment screw with a lock nut. These brass screws provide a stop for the boxes at their upper and lower extremes of movement.

  • Page 122: Four-Box Flyshuttle Dropbox Movement

    Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual Loctite) and apply a drop or two to each of these screws where the screws go into the cast metal brackets. Adjust the shift handle cables With the shift handle shifted to its rightmost, adjust the left drop box turnbuckle so that the box is against its top stop and the spring at the turnbuckle is slightly extended.
  • Page 123 A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) Give yourself slack in the cable Note: This will hold the box in the upper position and both of your hands will be free to adjust the cable. To give yourself some slack in the cable, it may be helpful to raise the drop box on the side you are working on to its uppermost position.
  • Page 124 Overhead Beater (Optional) A-Series Dobby Loom Assembly Manual At the end of each cable, there is a threaded eyebolt with a lock nut. Thread each eyebolt into the metal bracket on the ends of the shift handle. Once the cable is attached to the drop box assembly, run the cable over the drop box pulley on the larger cast metal piece directly above the drop box assembly and under the small pulley near the end of the beater top.
  • Page 125 A-Series Dobby Loom Assembly Manual Overhead Beater (Optional) It may help you to lay a straight edge across the shuttle race and drop box when doing this to assist you in getting the two perfectly aligned. When you have it properly adjusted, secure the lock nuts. Once you have adjusted both cables, it’s a good idea to put the shift handle in each detent position and check the boxes on each side for alignment.

  • Page 127: Finish Setting Up Your Loom

    A-Series Dobby Loom Assembly Manual Finish Setting Up Your Loom FINISH SETTING UP YOUR LOOM INISH ETTING Finish Setting Up Your Loom Page | 119...

  • Page 128: Compu-Dobby Box

    Finish Setting Up Your Loom A-Series Dobby Loom Assembly Manual OMPU OBBY NOTE: Each solenoid has a concave tip (a half circle) that must capture its corresponding dobby cable. Make sure the tips are oriented in the same direction before placing the Compu-Dobby on the loom. Figure 119 - Solenoid Concave Tips Take the Compu-Dobby solenoid box and thumbscrews to the loom.
  • Page 129 Now, you can connect the power cord to the Compu-Dobby and your AC power source. At Compu-Dobby startup, you will notice a series of clicks. This is the Compu-Dobby self-test. You must wait until completion before attempting to connect your weaving software to your Compu-Dobby.
  • Page 130 Finish Setting Up Your Loom A-Series Dobby Loom Assembly Manual Connect the female end of the power cable at the back of the housing (be sure it’s completely inserted). Plug the male end of the power cable into a surge-protected power strip, preferably the same one as used for your E-lift as this will allow you to turn on the loom more easily.

  • Page 131: Mechanical Dobby Setup

    A-Series Dobby Loom Assembly Manual Finish Setting Up Your Loom Compu-Dobby, then waiting 60 seconds before trying to reconnect. The rule of thumb is to do this whenever you have a USB communications failure or error message. ECHANICAL OBBY ETUP Once there is some tension on the harness cables, the dobby arm can be aligned with the dobby cables.

  • Page 132: E-Lift Operation

    Finish Setting Up Your Loom A-Series Dobby Loom Assembly Manual PERATION Setting the Home Position Before you use the E-Lift you must set the “home” position. Home position is the position of the E-Lift motor spindle at power up and it relates to programmed starting position.
  • Page 133 A-Series Dobby Loom Assembly Manual Finish Setting Up Your Loom Using a 2” strip of masking tape, apply the tape vertically at the 12 o’clock position on the rear of the Cam. Draw a vertical arrow on the tape pointing to 12 o’clock. You will then be able to tell at a glance if the home position is set correctly.

  • Page 134: Assembling The Bench

    Finish Setting Up Your Loom A-Series Dobby Loom Assembly Manual Maintenance Periodically clean the air filters on the front and rear of the E-Lift housing. Unsnap and remove the plastic baffle. Remove the foam element and carefully wash it in warm soapy water.
  • Page 135 A-Series Dobby Loom Assembly Manual Finish Setting Up Your Loom Attach the bench top to the legs with the 2-1/4" bolts. There are several holes near the top of each leg. Choose the holes that are best for your height. Figure 121 –...

  • Page 137: Appendix I: Optional Equipment

    A-Series Dobby Loom Assembly Manual Appendix I: Optional Equipment APPENDIX I: OPTIONAL EQUIPMENT I: O PPENDIX PTIONAL QUIPMENT Appendix I: Optional Equipment Page | 129...

  • Page 138: Raddle

    Appendix I: Optional Equipment A-Series Dobby Loom Assembly Manual ADDLE The raddle (#41) is inserted into the holes in the back edge of the rear vertical side frame members. You can mount the raddle here for warping the standard beam in either upper or lower positions. Make sure that the removable portion of the raddle is to the top.
  • Page 139 A-Series Dobby Loom Assembly Manual Appendix I: Optional Equipment Install this assembly, from the outside of the loom, through one of the two holes provided on either rear vertical. Figure 123 - Tension Box Mounting Assembly Slip the washer and nut on the inside of the loom frame and tighten with a 1/2"...
  • Page 140 Appendix I: Optional Equipment A-Series Dobby Loom Assembly Manual Mounting the Track and Mount on the Loom The AVL tension box track mounting system now employs a quick release. To install the track/arm assembly, place the track arms between the two externally mounted studs that you attached to each rear vertical of the loom.

  • Page 141: Auto Advance System

    A-Series Dobby Loom Assembly Manual Appendix I: Optional Equipment This will hold your tension box in place while warping your loom. When you are finished with the tension box, the track can be removed easily. Figure 127 - Tension Box on loom DVANCE YSTEM Parts...
  • Page 142 Appendix I: Optional Equipment A-Series Dobby Loom Assembly Manual Remove the cloth beam from the loom and remove the spacer on the right. This spacer is not used with the Auto Advance, but please keep it safe in case you want to remove the Auto Advance system. Screw the large gear to the left end of your cloth beam with your Phillips screwdriver.
  • Page 143 A-Series Dobby Loom Assembly Manual Appendix I: Optional Equipment For Bottom Swing Beaters: Attach the Beater Leg Bracket to the beater leg There should be eight holes already drilled into the beater leg. Holding the Bracket with the slide adjustment opening to your right, line up the bottom hole with the first hole on the leg;...

  • Page 144: Locking Brake

    Appendix I: Optional Equipment A-Series Dobby Loom Assembly Manual Connect the Bracket to the Arm The Connecting Rod that is attached to the Bracket can now be connected to the Arm. Unscrew the black knob and remove the spacer, washer, and bolt. Move the Rod up toward the middle hole on the outside of the Arm.
  • Page 145 A-Series Dobby Loom Assembly Manual Appendix I: Optional Equipment Find the wood pedal assembly with the eyebolt, spring, nylon cord, and brake cable attached. There is a rubber bumper on the bottom front of the pedal. If the assembly is not attached to the pedal, follow these steps to attach it.
  • Page 146 Appendix I: Optional Equipment A-Series Dobby Loom Assembly Manual At the end of the spring on the pedal there is an eyebolt. Remove the first Nylock and the first Washer from the Eye Bolt, leaving the spring attached. Finger-tighten the remaining Hexagonal Nut fully to the end of the thread of the Eye Bolt.
  • Page 147 A-Series Dobby Loom Assembly Manual Appendix I: Optional Equipment Once tightened, test the Pedal for smooth movement. If it seems to bind, back the Nylock off slightly, until freedom of movement is achieved. Installation of the J-bolt for lower and upper positions Remove the Nylock and first washer from the J-Bolt and finger tighten the remaining Hex Nut fully to the end of the thread of the Eye Bolt.
  • Page 148 Appendix I: Optional Equipment A-Series Dobby Loom Assembly Manual Loop around the bottom of the Brake Drum and then up, to secure it by slipping the cable loop onto the J-Hook above the Drum. Figure 132 - Locking brake tieup Installation of the Locking Brake Kit is now complete.

  • Page 149: Bustle

    A-Series Dobby Loom Assembly Manual Appendix I: Optional Equipment USTLE The Bustle allows you to have two 1-yard sectional beams on the loom at the same time. It is an addition to the back of the loom. Find the two cross members that make up the support for the second beam.
  • Page 150 Appendix I: Optional Equipment A-Series Dobby Loom Assembly Manual Place the warp beam in the slots and add the tension device. Figure 134 - Bustle with tie-up Page | 142 Bustle...

  • Page 151: Appendix Ii: Air Assist Options

    A-Series Dobby Loom Assembly Manual Appendix II: Air Assist Options APPENDIX II: AIR ASSIST OPTIONS II: A PPENDIX SSIST PTIONS Note: These options are not available in Europe. Appendix II: Air Assist Options Page | 143...

  • Page 152: Air Component Information

    Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual OMPONENT NFORMATION Compressor A machine which compresses, stores, and delivers air to an air system. Air Cylinder A sealed tube that contains a movable shaft. This shaft is caused to move in or out by the action of compressed air.

  • Page 153: Air Compressor Requirements

    A-Series Dobby Loom Assembly Manual Appendix II: Air Assist Options OMPRESSOR EQUIREMENTS Compressors are rated according to the volume of compressed air they can delivery in one minute. This rating is known as C.F.M., cubic feet per minute. DEVICE USAGE UNITS COMPRESSOR UNITS...

  • Page 154: Installing The Frl

    Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual Nearly all compressors have storage tanks. Here, too, size is important. We recommend that you consider a compressor with at least a twenty gallon tank. NSTALLING THE All of the Air components require a Filter/Regulator/Lubricator (FRL) to be installed on the loom.
  • Page 155 A-Series Dobby Loom Assembly Manual Appendix II: Air Assist Options NSTALLING The A-Lift replicates the action of treadling. When you activate the foot switch, the cylinder retracts and selected harnesses rise or fall. The motion is smooth, quick, and precise and does not jar the harnesses. Once you have installed the A-Lift, see the section on connecting your components on page 162 to connect it to your air compressor.
  • Page 156 Appendix II: Air Assist Options Appendix II: Air Assist Options Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Installation Installation You should have already assembled You should have already assembled You should have already assembled You should have already assembled...
  • Page 157 A-Series Dobby Loom Assembly Manual Appendix II: Air Assist Options Return Cable The dobby slide plate-to-spring lever cable is attached to the slide plate with a quicklink in the eyebolt on the upper back right corner of the slide plate. The cable goes over a small white plastic pulley with a retainer above it.

  • Page 158: Installing An A-Lift

    Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual Bring this cable over to the spring lever and loop it around the pulley on the side of the lever. Figure 140 - Spring lever Now, you will need to pull against the spring in order to bring the looped end of the cable around the pulley on the lever and back toward the right side of the loom, to anchor it at the open J-Bolt.
  • Page 159 A-Series Dobby Loom Assembly Manual Appendix II: Air Assist Options It is best perform one turnbuckle rotation and then test, repeating a single turn each time until the slide plate will move up to the slide plate bumpers after pulling it down ½ inch. Tighten the jam nut to lock in this turnbuckle position.

  • Page 160: Installing An Air Shuttle

    Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual NSTALLING AN HUTTLE The Air Shuttle is only available with the Overhead Beater. Follow the instructions in the section for the Overhead Beater Assembly starting on page 94 to install the beater and flyshuttle boxes. The uprights for the air shuttle system are longer than usual and have a bracket attached to them.
  • Page 161 A-Series Dobby Loom Assembly Manual Appendix II: Air Assist Options Place one end of the picker cylinder on the bracket on the upright. Place the pin through the bracket and the picker cylinder and secure it with a clevis pin. Bolt the other end of the picker cylinder to the end of the picker stick.
  • Page 162 Appendix II: Air Assist Options Appendix II: Air Assist Options Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Mount the Air System Mount the Air System Mount the Air System Unpack the box of components and tubing.
  • Page 163 A-Series Dobby Loom Assembly Manual Appendix II: Air Assist Options Select three #8 x 1" pan head sheet metal screws from the hardware pack and use them to mount the left Piloted Valve in the holes on the left bottom horizontal. Repeat for the right valve.
  • Page 164 Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual Air Shuttle switch You will have a switch on the shift handle to activate the shuttle. The switch will already be installed on the beater. Figure 146 - Shift Handle Switch Connect the correct color coded air lines to the foot pedal or to the shift handle switch.
  • Page 165 A-Series Dobby Loom Assembly Manual Appendix II: Air Assist Options Position the valve so that the small metal arm points to the front of the loom. The ninety degree connector on the top of the valve will point to the inside of the loom. •...
  • Page 166 Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual You want to locate the valve so that the plastic wheel on the valve arm contacts the strike plate. Continue to move the valve until the small plunger in the valve body is fully depressed.
  • Page 167 A-Series Dobby Loom Assembly Manual Appendix II: Air Assist Options Note: PLEASE TAKE CARE NOT TO CUT YOURSELF. Slip the clips that hold the block out of their holding brackets. Figure 148 - Binder Clips If you need more tension, slightly increase the degree of bend in each clip.

  • Page 168: Air Shuttle Operation

    Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual The Air Pressure Look closely at the FRL. There is a large cone-shaped knob on the top left side. This knob regulates the air pressure in the system. The amount of this pressure is indicated by the gauge at the front of the unit.

  • Page 169: Air Beater

    A-Series Dobby Loom Assembly Manual Appendix II: Air Assist Options Push the Beater back against the Beater Bumper Blocks. Depress the plastic rocker switch (or foot pedal). The shuttle with fly across the race into the opposite box. If you have a problem, it will likely be in the travel of the shuttle. You may need to increase the pressure at the Piloted Valves or adjust the tension in the binder clips.

  • Page 170: Connecting The Components To Compressed Air

    Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual Bolt the other end of the cylinder to the end of metal arm attached to the axle. Foot Pedal Place the foot pedal under the loom near where your feet will be when you're sitting on the bench.

  • Page 171: Maintaining Your System

    A-Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Series Dobby Loom Assembly Manual Appendix II: Air Assist Options Appendix II: Air Assist Options Appendix II: Air Assist Options Appendix II: Air Assist Options Start at 40 to 50 PSI.
  • Page 172 Appendix II: Air Assist Options A-Series Dobby Loom Assembly Manual Check and tighten the bolts as needed. Adjust the various mechanisms as needed. NOTE: Please disconnect the air from your compressor before you drain your system. Page | 164 Maintaining Your System...

  • Page 173: The Fine Print

    A-Series Dobby Loom Assembly Manual The Fine Print THE FINE PRINT RINT The Fine Print Page | 165...
  • Page 174 The Fine Print A-Series Dobby Loom Assembly Manual AVL C USTOMER ERVICE AVL offers free technical support to the original owner of all our looms. This means if you ever have a problem, you can call, fax, or e-mail us and we’ll help you find a solution.
  • Page 175 Compliance is indicated by the CE marking. The manufacturer of this product is: AVL Looms, Inc., 2360 Park Avenue, Chico, CA 95928 USA. A declaration of conformity to the requirements of the Directives is available upon request from the Authorized Representative. This product satisfies the Class B limits of EN 55022 and safety requirements of EN 60950.
  • Page 176 The Fine Print A-Series Dobby Loom Assembly Manual Page | 168 Notice to Users in the European Union...

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