AVL 16 inch Workshop Dobby Loom User Manual

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Workshop Dobby Loom

Figure 1 - 16" Workshop Dobby

Loom

User's Manual

AVL Looms

2360 Park Avenue

Chico, CA 95928-6785

800 626-9615

530 893-4915

530 893-1372 (fax)

http:\\www.avlusa.com

e-mail: sales@avlusa.com

May 2018

Revision 1 Instructions

Figure 2 - 24" Workshop Dobby

Loom

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Page 1 Workshop Dobby Loom User’s Manual Figure 1 - 16" Workshop Dobby Figure 2 - 24" Workshop Dobby Loom Loom AVL Looms 2360 Park Avenue Chico, CA 95928-6785 800 626-9615 530 893-4915 530 893-1372 (fax) http:\\www.avlusa.com e-mail: sales@avlusa.com May 2018 Revision 1 Instructions ©...
Page 3: Table Of Contents
Weaving Procedures ......................... 53 Additional Loom Information ....................... 55 Loom Maintenance ........................56 Troubleshooting ........................57 The Fine Print ..........................63 AVL Customer Service ......................64 AVL Warranties ........................64 Notice to Users in the European Union ..................65 ABLE OF ONTENTS...
Page 5: Introductory Information
Workshop Dobby Loom User’s Manual Introductory Information INTRODUCTORY INFORMATION NTRODUCTORY NFORMATION Introductory Information Page | 1...
Page 6: Safety
Introductory Information Workshop Dobby Loom User’s 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 7 Workshop Dobby Loom User’s 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 8: Introduction
Congratulations on your purchase and welcome to the AVL family. Your Workshop Dobby Loom (WDL) is designed to provide you with years of enjoyable service. And, with your purchase, you are entitled to AVL’s world class loom support. Please contact us with any questions at info@avlusa.com or 1-530-893-4915.
Page 9: Parts
Workshop Dobby Loom User’s Manual Introductory Information OOLS 1. Allen wrench (provided) 2. Socket wrench, with 7/16” socket 3. Wrench (7/16”) 4. Philips screwdriver 5. Hammer (optional) ARTS Note: Items marked with an asterisk (*) indicate that there will be an additional, identical item if you ordered a two-beam system.
Page 10 Introductory Information Workshop Dobby Loom User’s Manual (4) X-frame legs (left and right sets) Figure 4 - X-Frame Legs (4) Note: The X-Frame Legs are marked A, B, C, and D. The holes for assembly are in different places on each one. If you ordered a two- beam system, you will have legs E and F in place of C and D.
Page 11 Workshop Dobby Loom User’s Manual Introductory Information (1) Treadle Rod and Stop Collars (8) Figure 10 - Treadle Rod and Stop Collars (1) Cloth Beam with Ratchet Figure 11 - Cloth Beam with spacer on right (1) Cloth Storage Beam with Tie-On Rod and Attaching Cords Figure 12 - Cloth Storage Beam...
Page 12 Introductory Information Workshop Dobby Loom User’s Manual (1) Warp Beam with Brake Drum* Figure 14 - Sectional / Plain Beam Note: To use as a sectional warp beam, insert metal hoops. To use as a plain beam, remove the metal hoops. (1) Warp Beam Handle, wood* Figure 15 - Warp Beam Handle...
Page 13 Workshop Dobby Loom User’s Manual Introductory Information ® (1) Compu-Dobby with Cables Figure 18 - Compu-Dobby Parts Page | 9...
Page 15: Wdl Assembly
Workshop Dobby Loom User’s Manual WDL Assembly WDL ASSEMBLY WDL A SSEMBLY WDL Assembly Page | 11...
Page 16: Assembly
WDL Assembly Workshop Dobby Loom User’s Manual SSEMBLE THE RAME X-Frame sides: For the left side you will need legs A and B. If you are assembling the frame for the two-beam version, use legs B and E. Fit the legs together at the notch in the center Slide a 2-1/2”...
Page 17 Workshop Dobby Loom User’s Manual WDL Assembly Repeat these steps for the right side using legs C and D. Use legs D and F for the two-beam frame. Figure 21 - X-Frame Outside (Left) Figure 22 - X-Frame Inside (Right) Assemble the X-Frame Page | 13...
Page 18 WDL Assembly Workshop Dobby Loom User’s Manual Cross Brace Installation IMPORTANT: The Cross Brace is plywood and should not be confused with the solid wood Separation Beam. Attach the Cross Brace to the inside of the Right Side and secure with black thumbscrew (long) from the outside of the leg.
Page 19: Interchangeable Design Unit (Idu)
Workshop Dobby Loom User’s Manual WDL Assembly (IDU) NTERCHANGEABLE ESIGN Install the IDU Set the IDU onto the Center Braces inside the X-Frame so that the Dobby is on the right side of the loom. Figure 24 - WDL with IDU Secure the IDU to the X-Frame using the (4) 2”...
Page 20 Heddles: You have been supplied with 25 heddles per harness plus 200 extra. You can purchase additional heddles from AVL. Heddles are shipped in bundles of 100. You can divide the bundle of 100 heddles into smaller bundles to place on the harness.
Page 21 Workshop Dobby Loom User’s Manual WDL Assembly Figure 26 - Parallel Harness Sticks Slide the top harness stick through the loop at one end of a heddle bunch, then slide the bottom harness stick through the opposite loop of the heddle bundle. Figure 27 - Place heddle bundle on heddle sticks Remove the ties on the bundles.
Page 22: Beater
WDL Assembly Workshop Dobby Loom User’s Manual Hang the Harnesses When hanging the harnesses, start at the rear most harness position and work forward. Holding the top harness stick, lift the Harness and hook the left and right harness cables to the eyehooks on the top harness stick. The harness will hang from the IDU.
Page 23 Workshop Dobby Loom User’s Manual WDL Assembly Each leg has a straight side and a tapered side. Place the legs so that the tapered side is to the outside. Separate the Beater Top and Reed from the Race. Place the Beater Race so that the cut-out sides lock around each leg and the holes are aligned.
Page 24 WDL Assembly Workshop Dobby Loom User’s Manual To install or change the Reed: Remove the wing nuts from the bolts holding the Beater Top to the Beater Legs. Lift off the Beater Top. Insert and seat the Reed into the Beater Bottom Slide the Beater Top down and seat it on the Reed.
Page 25: Treadles
Workshop Dobby Loom User’s Manual WDL Assembly READLES The metal Treadle Rod comes with eight stop collars. The inner-most two stop collars are pre-located for your convenience. They are not symmetrically placed on the Treadle Rod. Remove the outer three stop collars on each side with the 1/8” Allen Wrench.
Page 26 WDL Assembly Workshop Dobby Loom User’s Manual NOTE: There should be enough space left between the stop collar and the treadle to avoid binding the treadle movement. Place the Treadle Assembly under the front of the loom with Treadle Cables facing up and directly beneath the IDU. Figure 31 - WDL treadle positioning Slide another stop collar on each side of the Treadle Assembly, and leave it loose for later adjustment.
Page 27: Beams
Workshop Dobby Loom User’s Manual WDL Assembly Adjust the four stop collars until they are snug against the X-Frame and tighten. Unclip the cables from under the IDU. Clip the left hanging cable from IDU to the left Treadle Cable and the right hanging cable from IDU to the right Treadle Cable.
Page 28 WDL Assembly Workshop Dobby Loom User’s Manual Figure 32 -WDL Beams The Warp Beam The Warp Beam goes on the back of the loom. Slide the beam end with the brake drum into the hole on the back frame leg Slide the other end of the beam into the Beam Retainer Bracket on the other leg.
Page 29 Workshop Dobby Loom User’s Manual WDL Assembly From the inside of the X-Frame, insert the eye-bolt of the Tension Tie-Up Assembly into the hole near the IDU on the lower left leg of the X-Frame and secure with another washer and nut. Wrap the Tension Tie-Up cord over and down the rear side of Warp Beam Brake Drum.
Page 30 WDL Assembly Workshop Dobby Loom User’s Manual Slide the other end of the beam into the Beam Retainer Bracket on the other leg. Insert the retainer pin into the Beam Retainer Bracket and secure with a small hair pin. Two-Beam The Two-Beam system has longer left and right legs that allow room for the additional beam.
Page 31 Workshop Dobby Loom User’s Manual WDL Assembly Attach the tension tie-up assembly for the upper beam using the lower eye-bolt. Attach the tension tie-up assembly for the lower beam using the upper eye-bolt. Figure 34 - WDL with two beams Insert a separation beam for each warp beam.
Page 32: Compu-Dobby
WDL Assembly Workshop Dobby Loom User’s Manual ® OMPU OBBY ® The Compu-Dobby is packed with a wood backing plate. This plate also serves as a tool tray when set upon the IDU. The Compu-Dobby is installed on the right side of the IDU. On the loom, find the strap holding the dobby slide plate in place.
Page 33 Workshop Dobby Loom User’s Manual WDL Assembly Align each plastic solenoid tip in the Compu-Dobby such that the “U” or concave indentures of the tips aligns in a vertical orientation. Figure 35 - Compu-Dobby Solenoids NOTE: In this orientation, the solenoid tips will cradle the Dobby Wires and ensure that the solenoids properly capture and engage the Dobby Wires.
Page 34 Compu-Dobby. Plug the male end of the Compu-Dobby power cord into your power source (wall outlet). NOTE: AVL strongly recommends that you use a surge protector with your Compu- Dobby. Attach the USB cable between the Compu-Dobby and your computer.
Page 35: Traveling With The Wdl
Workshop Dobby Loom User’s Manual Traveling with the WDL TRAVELING WITH THE WDL RAVELING WITH THE Traveling with the WDL Page | 31...
Page 36: Traveling With Your Workshop Dobby Loom
Traveling with the WDL Workshop Dobby Loom User’s Manual RAVELING ORKSHOP OBBY When traveling with your WDL, it is a good idea to replace loose hardware on the loom or to put it in a sealable plastic bag and pack it with your tools. 24”...
Page 37 Workshop Dobby Loom User’s Manual Traveling with the WDL Figure 37 - 16" WDL with Compu-Dobby removed Remove the beams Disengage the Cloth Beam ratchet. For the 16” WDL: Roll any loose fabric onto the Cloth Beam and place it on top of the IDU in the front beam rest cradle.
Page 38 Traveling with the WDL Workshop Dobby Loom User’s Manual Note: If you have a 2-beam setup, complete steps 7-10 for the upper separation beam and warp beam, then repeat them for the lower separation beam and warp beam. Place the additional warp beam on top of the two beams on the IDU to create a pyramid.
Page 39 Workshop Dobby Loom User’s Manual Traveling with the WDL Remove the IDU and disassemble the frame Unclip the left and right Treadle Cables from the IDU. Unscrew the four wing nuts holding the IDU to the X-Frame. Lift the IDU out of the X-Frame and place on the ground on its rollers.
Page 40 Traveling with the WDL Workshop Dobby Loom User’s Manual For packing, replace the stop collars back onto the rod and tighten the outside stop collars to retain them. Remove the Beater Assembly as a whole if you can transport it. If needed, unbolt the Race from the Beater Legs and remove them separately.
Page 41: Using The Wdl
SING THE Note: Unless otherwise noted, the instructions in this section are basic, general instructions for weaving and are applicable to many AVL and non-AVL looms. They should not be regarded as a substitute for training or experience. Using the WDL...
Page 42: Warping Section
Workshop Dobby Loom. To learn more about your AVL loom and to learn how to get the most out of it, you may want to take a class at the AVL Weaving School. Complete...
Page 43 Workshop Dobby Loom User’s Manual Using the WDL Take the two ends of the cord and knot them together, using an overhand knot. Wrap the cord around the center bar of the sectional beam with a larks head knot. You will also use a larks head knot to secure the warp threads to the extension cord.
Page 44 Using the WDL Workshop Dobby Loom User’s Manual Figure 40 - Warping Board with Two Crosses Securing the Crosses Before removing the warp from the board or the reel, secure the crosses. Use four ties to secure each cross. These ties go on each side of both pegs holding the cross.
Page 45 Workshop Dobby Loom User’s Manual Using the WDL Attaching the Raddle Now secure the raddle to the back of the loom. Sticks in the Raddle Cross Place two lease sticks in the raddle cross and secure together with string through the holes in the ends of the sticks. Now remove the ties from the raddle cross and spread the warp out on the sticks.
Page 46 Using the WDL Workshop Dobby Loom User’s Manual If you are using an AVL raddle with a sliding cover, slide it on after the raddle is threaded and secure it with two or three cord ties so it can’t come off.
Page 47 When the warping is completed, free the warp from the raddle. If you have an AVL raddle, first untie the security strings, lift the raddle top off, and remove the warp from the raddle. Afterwards, replace the top on the raddle and leave it in its place on the back of the loom if so desired as it will not interfere with the weaving process.
Page 48 Using the WDL Workshop Dobby Loom User’s Manual Warping the sectional beam The WDL Sectional Beam can be warped in sections using a Warping Wheel. Throughout the warping process, the Warping Wheel automatically keeps a constant and uniform tension on the warp. Using the Warping Wheel The Setup Adjust height so position of mini-raddle is just below eye level.
Page 49 Workshop Dobby Loom User’s Manual Using the WDL Slide the thread(s) under the metal catch clip, tails facing to the left. Tails should be about 5 inches long. Figure 44 - Catch Thread Ends Bring the thread(s) up and over the left side of the top spool so that you are ready to wind the Warping Wheel in a counter clockwise motion.
Page 50 Using the WDL Workshop Dobby Loom User’s Manual Figure 46 - Bring Thread through Raddle Bring thread(s) down over the end you just wound and secure in the silver clip (swooping under from left to right). Tying Off Put the raddle top back on. Cut the bout threads just to the left of the clip and under the threads going over the wheel.
Page 51 Workshop Dobby Loom User’s Manual Using the WDL Figure 48 - Remove Raddle from Top Position Bring the raddle down to the winding-on position and secure with the pin. Tie a knot in the thread past the raddle so it won’t slip through.
Page 52 Using the WDL Workshop Dobby Loom User’s Manual As you wind on, pivot the raddle to adjust the width of the section to fit exactly in-between the pegs on your sectional beam. Figure 51 - Pivot Raddle Winding the Warp On NOTE: From the left side of the loom, the warp is wound onto the beam by turning in the counter-clockwise direction.
Page 53 Workshop Dobby Loom User’s Manual Using the WDL Figure 52 - Single Beam Warp Path Two-Beam For those who ordered the Two-Beam, it is wound on in exactly the same manner as the first warp beam except when winding on the warp to the upper beam, the warp goes under Separation Beam and up to the top warp beam.
Page 54: Threading, Sleying, And Tying On
Using the WDL Workshop Dobby Loom User’s Manual HREADING LEYING YING To make it easier to reach the heddles, you may want to remove the cloth beam and the beater and place a stool (or exercise ball) in front. Unused Heddles The heddles are part of the harness structure and you should have at least one near the end of each harness stick to help hold the harness together.
Page 55 Workshop Dobby Loom User’s Manual Using the WDL the reed. Position the reed for sleying in whatever manner works best for you. Combing onto the Cloth Beam/Sandpaper Beam (16” or 24” WDL) Note: If you are using the Cloth Storage Beam on the 24” WDL, move on to the next section.
Page 56 Using the WDL Workshop Dobby Loom User’s Manual Tying onto the Cloth Storage Beam (24” WDL Only) Note: When using the Cloth Storage Beam, you will need to advance the warp from the Cloth Storage Beam instead of the Cloth Beam for the first several inches until the apron has passed completely over the Cloth Beam.
Page 57: Weaving Procedures
ROCEDURES Bobbins AVL shuttles use stationary, open end bobbins. The advantage of using this type of bobbin over the conventional spinning bobbin is that as soon as the shuttle is caught, thread stops coming off the bobbin, whereas the spinning bobbin tends to keep spinning and unwinding thread even after the shuttle is caught.
Page 59: Additional Loom Information
Workshop Dobby Loom User’s Manual Additional Loom Information ADDITIONAL LOOM INFORMATION DDITIONAL NFORMATION Additional Loom Information Page | 55...
Page 60: Loom Maintenance
Additional Loom Information Workshop Dobby Loom User’s Manual AINTENANCE Tightening the Bolts The Workshop Dobby Loom frame is designed to be disassembled for easy traveling. When reassembling it, make sure to tighten the bolts snugly and check the tightness of any bolts that were not removed. If you leave your loom assembled for long periods, check the bolts for tightness periodically.
Page 61: Troubleshooting
Workshop Dobby Loom User’s Manual Additional Loom Information paste wax 0000 steel wool pad 220# sandpaper paraffin wax ROUBLESHOOTING Harnesses Your WDL has polyester heddles. The polyester heddles are carried on transverse harness sticks, top and bottom, and stabilized at the bottom by a series of springs.
Page 62 Additional Loom Information Workshop Dobby Loom User’s Manual 2) The harness cable Trace the cable back through supporting the shaft its pulleys in the Harness has come out of its Pulley Support and make sure pulleys at the top of that the cable is properly the loom.
Page 63 Workshop Dobby Loom User’s Manual Additional Loom Information Tension Symptom Possible Cause How to Fix It A) Your Warp Beam 1) Your Tension Tie- Readjust the tie-up and either won’t hold tension. Up has loosened. tie a bow in the cord ends or bind it tightly with a double wrap of cord.
Page 64 Additional Loom Information Workshop Dobby Loom User’s Manual places over the width problem. It is a warping or craft paper for plain of the warp. matter of not having beam warping. If you do not maintained even want to waste this warp, place tension when warping something (folded paper or the beam and there’s...
Page 65 If it’s soft on the end and the consistently. wraps collapse and pull into one another, you will have to wind it again. Use an AVL Bobbin-Winding Guide. B) One side of your 1) Your beater is out To check, push your beater all fabric is beaten more of alignment.
Page 67: The Fine Print
Workshop Dobby Loom User’s Manual The Fine Print THE FINE PRINT RINT The Fine Print Page | 63...
Page 68: Avl Customer Service
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. Please take advantage of this service; your satisfaction is extremely important to us.
Page 69: Notice To Users In The European Union
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 70 The Fine Print Workshop Dobby Loom User’s Manual Page | 66 Notice to Users in the European Union...

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