Mode d'emploi HUSQVARNA 1200

[. . . ] SERVICE MANUAL MODEL 1200, # 1 1100 1090 1070 1050 SEWKNITWORLD 104 72 30-26 Husqvarna service manual 1 Contents Survey settings User instructions Gauges and service Visual control of details Electronics Stich plate Presser foot Feed dog Bobbin case Hook cover Hook Driver Main switch and feed dip button Foot control Cog belt, short Cog belt, long Wiring diagram Service casette Switch for presser foot lift Buttonhole meter Lower thread indicator Stepmotors: Thread tension, sewing head, guide, side motion Transformer 1050/1070/1090 Transformer 1100/1200 Electronic board 1050/1070/1090 Electronic board 1100/1200 4 5 6-7 8-12 13-22 8 8 8 9 9 10 10 10 11 12 12 13 14-17 18 18 19 20 21 22 21 22 2 Husqvarna service manual 104 72 30-26 SEWKNITWORLD Setting instructions 1 The hook gear 2 The gap between the hook cover and the driver 3 Presser foot, parallelism to the stitch plate 4 Setting the presser foot at right angles to the feeding direction 5 Setting of the step motor of the sewing head 6 Setting of the needle in relation to the presser foot 7 The gap between the hook and the needle 8 Setting the stitch plate in relation to the needle 9 Timing of the hook in relation to the needle 10 Needle height 11 Thread tension of the bobbin case 12 Upper thread tension 13 Setting the thread tension of the step motor 14 The setting of the thread take-up spring 15 Parallelism of the feed dog 16 The sideways setting of the feed dog 17 The feed dog height 18 The lengthwise movement of the feed dog 19 The bobbin-winding device 20 The balance of the stitch length 21 Pre-setting of the step motor of the guide 22 Pre-setting of the step motor of the side motion 23 The sideways setting of the feeding mechanism 23 24 25 25 26 27 28 29 30 31 32 32 33 33 34 34 34 35 35 36-40 41 42 43 Dismounting- and mounting instructions Rear cover, lower cover Front cover Parts of the front cover Parts of the front cover 1100/1200 program memory Parts of the front cover 1100/1200 foil keyboard Transformer Main motor Bobbin-stop Circuit board Foot control Feeding guide compl Connecting rod Feeding mechanism unit with stitch regulator fork Thread tension device compl Driver Lower shaft Sewing head Arm shaft Side motion mechanism cpl Fault finding diagram 44 44 44 45 46 47 48 48 48 49 50 51 51 52 52 53 54 55 56 57 SEWKNITWORLD 104 72 30-26 Husqvarna service manual 3 SETTINGS 4 Husqvarna service manual 104 72 30-26 SEWKNITWORLD Directions for use These service instructions are intended to be used by service workshop personnel, or by salesmen who carry out servicing their own districts. They assume a thorough knowledge of the handling of precision appliances and accessibility to service tools. The manual is divided into four sections and covers all service operations and checks which should be carried out when making a complete overhaul of a sewing machine. The first section controls the working order of the different parts. [. . . ] -Get into the service mode of the machine by pressing the reverse feeding and (-) stitch length buttons while switching on the main switch. - Loosen the screw in the cog wheel (B) of the step motor. - Press button n 7 on the service casette. - Check according to requirements. 14 The setting of the thread take-up spring Requirements The casing (C) should be set in such a way, that the thread take-up spring has finished its movement when the needle eye reaches the fabric after a completed stitch. Check at straight stitching 2. 5 mm in fine fabric. Adjustment The stop in the adjustment casing, i. e. the limitation of the movement of the spring, can be adjusted by means of a screwdriver, which should be applied at the upper part of the casing. (P. 52). SEWKNITWORLD 104 72 30-26 Husqvarna service manual 33 The setting of the feed dog 15 I The parallelism of the feed dog Requirement A The feed dog should be parallel with the grooves in the stitch plate. Adjustment Set the feed dog in its highest position. Remove the stitch plate and loosen the screws (A) which hold the feed dog, fit the stitch plate and adjust the feed dog until it lies parallel with the grooves in the stitch plate. Then remove the stitch plate without moving the feed dog. Tighten the screws and check that the feed dog is positioned correctly in the stitch plate. 16 II The sideways setting of the feed dog Requirements B, model 1050/1070/1090/1100 The feed dog should move freely in the grooves of the stitch plate (sideways). Requirements B, model 1200 At side feeding the feed dog should move freely in both side positions (goes for all 4 feed dog rows). Adjustment Turn the nut (B) until requirements is reached. 17 III The feed dog height Requirements The feed dog should be between 1. 0 and 1. 1 mm above the stitch plate when the feed dog is in its highest position. Adjustment Set the feed dog at its highest position. Put setting gauge 411 49 93-01 above the feed dog. Loosen nut (A) and turn the screw (B) until requirements is reached. 34 Husqvarna service manual 104 72 30-26 SEWKNITWORLD 18 IV The lengthwise movement of the feed dog Requirements The feed dog must not strike against the stitch plate when the machine is set at maximum stitch length and speed. Adjustment Set the machine at stitch length 0 mm and the feed dog at its highest position. Loosen the screw (A) and shift the feed dog until it comes in the middle of the stitch plate. Check that the stitch setting fork (B) is parallel with the connecting rod (C) after tightening. 19 The bobbin-winding device Limiting when bobbin-winding Requirements When bobbin-winding the machine shall stop when the bobbin is full with thread up to approx. Adjustment Loosen the locking ring (A) by means of a tool. Thereafter turn the scanner (B) until you switch off when there is an adequate amount of thread on the bobbin (see illustration). [. . . ] Check that the peg of the presser foot lever is pushing in the micro switch. Try a new micro switch or measure it according to the service manual (P. 18). Check the cables between the circuit board and the LCD-board. Try a new LCD-board (P. 44). SEWKNITWORLD 104 72 30-26 Husqvarna service manual 59 T. [. . . ]