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Louet David III Instructions For Assembly

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David III
Instructions for assembly
Assembly tips and information ......................................................................................................... 2
Instructions for assembly ................................................................................................................. 4
Weaving tips and information ........................................................................................................ 24

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Summary of Contents for Louet David III

  • Page 1 David III Instructions for assembly Assembly tips and information ......................2 Instructions for assembly ......................... 4 Weaving tips and information ......................24...
  • Page 2 This manual provides you with step-by-step assembly instructions. David III, the third generation David looms from Louët has been improved in many ways. The mechanical method of making the shed has also been improved: The shaft height is more precise and easier to adjust and the progressive shed has been improved by modifying the tie-up method.
  • Page 3 old thread. Now turn the screw clockwise again and you will notice that you are in the right position by the ease of screwing. Washers and spacers: For the proper operation of the loom, it is very important that you follow the correct assembly sequence of the bolts, washers and spacers.
  • Page 4 Assembly of the frame: Open box A: Hardware bag 1 and 2 (The picture shows one bag that contains both – bag 1 is tools only) Open hardware bag 1: screwdriver Pz2 and wrenches 10 and 13 mm. 2 main uprights (L=R) HL0020 2 front posts (L=R) HL0021...
  • Page 5 Open box B Footrail – David 70 HL0001 Footrail – David 90 HL0002 Footrail – David 110 HL0003 Lower cross rail (with felt HL0004 buffers) David 70 Lower cross rail (with felt HL0005 buffers) David 90 Lower cross rail (with felt HL0006 buffers) David 110 Lower side rails (L=R)
  • Page 6 Tap 2 dowels into the outer holes at both ends of the four side rails. This leaves 2 dowels that you will need later during assembly. Attach the side rails to the main uprights: press the side rails with its dowels into the uprights, insert a barrel nut into the side rail, a bolt 6x120 mm with washer through the upright and screw the connection together firmly.
  • Page 7 Take the bottom crossbar from box B. It can be recognized by the sloping side with the 10 felt buffers. Connect the long uprights of the loom sides by screwing this crossbar between them using the 4 screws 5 x 55 mm. The slanted side with the felt buffers should be at the bottom and in such a way that they will later be flush with the ascending treadles, so the cross rail faces with the wider side the front.
  • Page 8 Take the treadles from box A and screw the 3.5 x 20 mm screws into the row of 8 holes in each treadle. The holes are located in a groove on one side of the treadle. The screw heads should stick out about 4 mm (5/32“), so about 1 mm out of the treadle groove.
  • Page 9 Take 2 screws 5 x 55 mm and insert them through the 2 remaining 30 mm bushings. Mount those bushings at both ends of the treadle axle in the foot rail. The axle is now locked in and the treadles are exactly in place. Turn the foot rail over and place the assembly between the front posts of the David.
  • Page 10 Installing the shafts and the lams Contents of hardware bag 4: 8 lam cords with BZ0021 threaded eye M4 (BS0078) and nut M4 (BN0003) 80 tie-up cords for the BZ0023 treadles, 16 cm long Bag with 34 screw hooks BS0005 Retaining clips BA0008 2 screws 5 x 55 mm...
  • Page 11 Slide 5 (the picture shows only 4) tie-up cords for the treadles on both ends of each lam, with a cord loop and not with a ½ hitch knot. Assemble the lams by placing their ends into the nylon bearings of the hinge dowels, or of the lower side rails for a David 70.
  • Page 12 At the bottom of the castle section, cords stick out from which you will hang the shafts. On the left, a blocking pin is in place, making it easy to find the correct cord sequence. On the right side of the cams you have to pay closer attention to the correct sequence while hooking on the shaft bars.
  • Page 13 Then tie on a number of treadles, but in such a way that all lams on both sides of the middle (the connection to the shafts) are connected to at least one treadle. Push the shafts down slightly and pull the locking pin out of the left side cords.
  • Page 14 The shafts are now pulled up by the springs via the cams in the castle section. The lams and tied-up treadles are also pulled up with this, until those treadles rest up against the cross rail. The shaft height is therefore determined by the distance between treadles and the shafts and you can adjust this distance precisely with the nut on the screw eye in the middle of the lam.
  • Page 15 Insert the flexible pu pieces into the warp beam supports and secure them with two of the small screws. Place a large washer on a threaded eye and insert the threaded eye through the hole at the tip of the warp beam support.
  • Page 16 Shelf - 70 HL0036 Lease Sticks – 70 WR0152 Shelf - 90 HL0037 Lease Sticks – 90 WR0131 Shelf - 110 HL0038 Lease Sticks – 110 WR0132 Back Beam - 70 HL0039 16 Warp Sticks - 70 WR0120 Back Beam - 90 HL0040 16 Warp Sticks - 90 WR0121...
  • Page 17 Slide the warp beam with its long axle through the warp beam support that you have just assembled. If you have also purchased a 2 warp beam, now would be a good time to add it, to prevent having to un-assemble the back beam section later on.
  • Page 18 You use the other two small screws to secure the flexible pu pieces into the uprights. Because the two uprights are the same, the screw in the picture is on the outside, but with the other upright it is on the inside of the upright.
  • Page 19 Take the cloth beam from box C. Place the ratchet wheel on the long axle of the cloth beam; the X-marked side of the ratchet wheel should face the beam. Fasten the ratchet wheel with the 4 screws 4 x 21 mm, these are the screws that are a little longer. Take the cloth advance lever from box A, slide it on the axle against the ratchet wheel and place the cloth beam on the loom.
  • Page 20 Assembly the warp beam brake Open hardware bag 6: Tension Brake spring T248 BN0009 Brake Cable BZ0032 1 steel shaft Ø5 x 112 mm BZ0033 Handle for the brake disc BZ0035 Allen bolt M6 x 60 mm BB0007 Eye hook bolt – for brake BZ0034 Large Washer M6 BW0003...
  • Page 21 There is a hole at the ends of the slot in the brake disc. Use this hole to screw the 2 screws 4 x 21 mm, so that the shaft is fixed in place by the screw heads. To do this, you have to turn the beam so that you can reach the screw holes with the screwdriver next to warp beam support.
  • Page 22 enough thread protruding to attach and tighten the cap nut so that you pull the neck of the bolt into the wood. To prevent the neck from turning, hit it with a hammer so that the square part of the neck is already forced into the wood.
  • Page 23 Assembling the beater: The beater consists of the 2 uprights, a handle from box A and the top and bottom beater bar from box C. Open hardware bag 7: 2 carriage bolts M6 x 70 mm BB0023 2 lag bolts Ø8 x 90 mm BB0064 2 bolts M6 x 70 mm with washer and BB0046...
  • Page 24 Place this assembly onto the loom, with the slots at the bottom of the uprights sitting on the hinge hooks. After you have put the first warp on the loom, adjust the correct height of the beater by turning the hinge hooks clock-wise or counter clock-wise into the barrel nuts.
  • Page 25 Place the upper beater bar with the shafts of the bolts into the slots at the top of the beater uprights. Tighten the screw knobs while holding the beater bar at the top of the slots. Slide the reed in from the side. When the reed is in place, lower the upper beater bar on it and fasten the knobs.
  • Page 26 The last actions that complete the assembling Place the breast beam on the steel shafts of the front posts. The breast beams of the David 90 and 110 have two holes at both ends. These breast beams are also used for the Spring loom. The outer holes will fit the David.
  • Page 27 Tips and information for weaving on the David Adding or removing heddles Before adding or removing heddles, first block the cams with the locking pin, so that the shafts are no longer under tension. Before you remove a shaft cord from a hook on a shaft, insert a pin, such as a knitting needle, through all 8 cords in that spot.
  • Page 28 The woven fabric should be advanced. The fabric is slanted. Possible cause: The shuttle race is not set to the same height on both sides. The cloth beam cannot be advanced. Possible cause: One of the two pawls is not in the ratchet wheel of the cloth beam. A shaft does not come back up.