Table of Contents
Advertisement
Quick Links
Contents
Part 3: Service Instructions cl. 550-12-23; -24; -26
1.
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1
Setting Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2
Gauge Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.
2.1
Adjustment Disk to the Arm Shaft Crank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2
Setting of the Lower Timing Belt Pulley . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3
2.3.1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.2
Setting of the Guide Holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.3
Clearance of the Transport Foot Bar to the Material Presser Bar . . . . . . . . . . . . . . . .
2.4
Setting Wheels for the Pressure Foot Lift Height . . . . . . . . . . . . . . . . . . . . . . . . .
2.5
2.5.1
Timing of the Advancing Movement of the Transport Foot . . . . . . . . . . . . . . . . . . . .
2.5.2
2.5.3
Fine Adjustment of the Alternation Timing of the Pressure feet . . . . . . . . . . . . . . . . .
2.6
2.6.1
Play in the Lift Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6.2
Height of the Raised Pressure Feet, Lift Limitation . . . . . . . . . . . . . . . . . . . . . . . .
2.6.3
Setting of the Intercept Buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6.4
2.7
Rocker Bolt for the Hook Drive and Left Lower Shaft Bearing . . . . . . . . . . . . . . . . . .
2.8
2.9
Needle Avoidance Movement of the Hook (Ellipse Width) . . . . . . . . . . . . . . . . . . . .
2.10
Symmetry of Looper Motion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.11
Hook in the Hook Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.12
Looping Stroke and Needle Bar Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.13
2.13.1
Needle Guard
2.13.2
Needle-guard Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.14
2.14.1
Position of the Feed Dogs in the Needle Plate Slot . . . . . . . . . . . . . . . . . . . . . . . .
2.14.2
2.14.3
Advancing Movement of the Feed Dogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.14.4
Stroke Movement of the Feed Dogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.15
Setting the Multiposition Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.16
Setting the Stitch Regulator Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.16.1
Checking and Setting with a Dial Gauge (Precise Adjustment) . . . . . . . . . . . . . . . . .
2.16.2
Checking and Setting with a Caliper Gauge (Rough Adjustment) . . . . . . . . . . . . . . . .
2.17
Thread Take-up Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Home
. . . . . . . . . . . . . . . . . .
Page:
5
6
7
8
9
10
11
12
13
14
. . . .
15
16
17
18
19
20
21
22
23
25
26
27
28
28
29
30
31
32
33
34
35
35
36
Advertisement
Table of Contents
Related Manuals for Duerkopp Adler 550-12-23
Summary of Contents for Duerkopp Adler 550-12-23
-
Page 1: Table Of Contents
Home Contents Page: Part 3: Service Instructions cl. 550-12-23; -24; -26 General ..........Setting Aids . - Page 2 Contents Page: 2.18 Setting of the Edge Cutter (models 550-12-24; -26 only) 2.18.1 Changing the Knife Stroke ........2.18.2 Setting of the Upper Knife in the Direction of the Seam .
-
Page 3: General
General ATTENTION ! The tasks described in the service instructions may only be conducted by skilled personnel or appropriately trained persons ! Caution Risk of Injury ! During repair, conversion and maintenance work turn the main switch off and disconnect the machine from the pneumatic supply. Conduct adjustment work and function testing with the machine running only under strictest observance of all safety measures and with greatest caution. -
Page 4: Setting Aids
Setting Aids Direction of rotation The machine head is equipped with setting aids which make possible a quick and precise setting of all elements. Among these setting aids is the handwheel, which is provided with the letters A, B, D, E and F, as well as a built-in adjustment disk with 5 different holes. -
Page 5: Gauge Set
Gauge Set The setting gauges listed below make possible a precise setting and checking of the machine. The timing pin no. 3 is incliuded as standard in the accessories pack of every machine. With it the handwheel positions A to F necessary for the settings can be locked in place. -
Page 6: Setting The Machine Head
Setting the Machine Head Adjustment Disk to the Arm Shaft Crank The slot A on the adjustment disk must be inline with the groove 2 in the arm shaft crank. Only in this position are all other settings made with the adjustment disk correct. - Page 7 Position of the Lower Timing Belt Pulley The screws of the lower timing belt pulley should be in the position shown when the machine is arrested in position F. Caution Risk of Injury! Before adjusting turn the main switch off. –...
-
Page 8: Needle Bar Guide
Needle Bar Guide 2.3.1 General Information The 550-12-23; -24; -26 series is equipped with a split needle bar guide. The fixed part with the needle bar is screwed directly onto the cast body. The second part with the transport foot bar is attached movably. The, with yellow paint and through adhesive secured against turning, screw 1 must touch in the arm. -
Page 9: Setting Of The Guide Holder
2.3.2 Setting of the Guide Holder The guide holder 6 must lie parallel to the bottom edge of the arm head. Caution Risk of Injury! Before adjusting turn the main switch off. – Set the screws 4 so that the guide holder lies parallel to the bottom edge of the arm head. -
Page 10: Clearance Of The Transport Foot Bar To The Material Presser Bar
2.3.3 Clearance of the Transport Foot Bar to the Material Presser Bar The clearance between the transport foot bar and the material presser bar should be 11 mm with the machine arrested in position B. Caution Risk of Injury! Before adjusting turn the main switch off. –... -
Page 11: Setting Wheels For The Pressure Foot Lift Height
Setting Wheels for the Pressure Foot Lift Height The setting wheels can only be turned so far to the right or left until the stop ring 3 touches the effected cam side of the catch ring 5. When the setting wheel is turned fully to the right: –... -
Page 12: Pressure Feet
Pressure Feet 2.5.1 Timing of the Advancing Movement of the Transport Foot The transport foot should not move when, at the greatest possible stitch length and with the machine arrested in position B, the upper link is operated. Attention! The greatest stitch length is only effective when the machine is switched on. -
Page 13: Stroke Adjustment Range And Timing Of The Stroke Movement Of The Transport Foot
2.5.2 Stroke Adjustment Range and Timing of the Stroke Movement of the Transport Foot Gauge 10 In the position "2 mm" of the stroke height setting wheel both pressure feet should conduct the following strokes: Pressure foot: 2 mm Hopper foot: 1,8 mm Caution Risk of Injury! Before adjusting turn the main switch off. -
Page 14: Fine Adjustment Of The Alternation Timing Of The Pressure Feet
2.5.3 Fine Adjustment of the Alternation Timing of the Pressure Feet With the machine arrested in position D both pressure feet should touch on the needle plate. Caution Risk of Injury! Before adjusting turn the main switch off. – Arrest the machine in position D. –... -
Page 15: Pressure Foot Lift
Pressure Foot Lift 2.6.1 Play in the Lift Mechanism The play in the lift mechanism should be 1 mm when at least one of the two pressure foot lays onto the needle plate or the feed dog. Caution Risk of Injury! Before adjusting turn the main switch off. -
Page 16: Setting Of The Intercept Buffer
2.6.3 Setting of the Intercept Buffer The intercept buffer 2 prevents the pressure feet not laying directly onto the needle plate. The clearance between the needle plate and pressure feet should, depending on material thickness, be 0,2 - 0,8 mm. The base setting is 0.2 mm. -
Page 17: Height Of The Pressure Feet Arrested In The Raised Position
2.6.4 Height of the Pressure Feet Arrested in the Raised Position The pressure feet can be arrested in the raised position with the button on the head cover. The clearance of the arrested raised pressure feet to the needle plate should be 10 mm. - Page 18 Left Lower Shaft Bearing The clearance from the middle of the needle to the beginning of the left lower shaft bearing 6 should be 41,8 mm. Gauge 1 Caution Risk of Injury! Before adjusting turn the main switch off. – Remove the needle plate, needle guard and hook with hook carrier.
-
Page 19: Setting The Hook Drive Housing
Setting the Hook Drive Housing Gauge 2 The needle point should point to the middle of the hook shaft. The lower edge of the hook shaft runs parallel to the underside of the needle plate. The clearance from the upper edge of the needle plate seat to the lower edge of the hook shaft is 53 mm. -
Page 20: Needle Avoidance Movement Of The Hook (Ellipse Width)
2. 9 Needle Avoidance Movement of the Hook (Ellipse Width) With needle avoidance movement (ellipse width) is meant that movement which the hook conducts in order to move past behind the needle during its movement from right to left and in front of the needle from left to right. - Page 21 Caution Risk of Injury! Before measuring and setting turn the main switch off. Measuring the ellipse width – Insert a straight, undamaged needle. – Screw in the clamping bush 2 and insert dial gauge 1 (Order no. 0196 002972). – Through turning the handwheel bring the hook shaft into its lowest position.
-
Page 22: Symmetry Of Looper Motion
2.10 Symmetry of Looper Motion Position Slot E Position Slot F Gauge 6 The setting symmetry of looper motion means that the hook tip lies at the middle of the needle with the machine arrested in slot E as well as also in slot F. -
Page 23: Hook In The Hook Carrier
2.11 Hook in the Hook Carrier Gauge 5 The front of the hook should lie to the edge 2 of the apparatus recess at an angle of 89° 30‘. Caution Risk of Injury! Before adjusting turn the main switch off. –... -
Page 24: Looping Stroke And Needle Bar Height
2.12 Looping Stroke and Needle Bar Height The looping stroke is 3,5 mm. This means: When the needle has risen 3,5 mm from the lowest point in the direction of run, the hook tip must lie at the middle of the needle. When the hook eye lies at the middle of the needle, the lower edge of the needle eye and the upper edge of the hook eye should be at the same height. -
Page 25: Needle Guard And Needle-Guard Plate
2.13 Needle Guard and Needle-guard Plate 2.13.1 Needle Guard The movable needle guard 1 should hinder a deflection of the needle into the path of the hook. When the hook tip moves to the left and reaches the needle, the needle guard automatically swings toward the needle. -
Page 26: Feed Dogs
2.14 Feed Dogs 2.14.1 Position of the Feed Dogs in the Needle Plate Slot The feed dogs should be so aligned that at the greatest possible stitch length the feed dogs strike no side of the needle plate. Caution Risk of Injury! Before adjusting turn the main switch off. -
Page 27: Height Of The Feed Dogs
2.14.2 Height of the Feed Dogs The feed dogs in their highest position should protrude 1.2 mm out of the needle plate. (slot B) Caution Risk of Injury! Before adjusting turn the main switch off. – Arrest the pressure feet in the raised position. –... -
Page 28: Advancing Movement Of The Feed Dogs
2.14.3 Advancing Movement of the Feed Dogs Gauge 8 For good stitch drawing the feed dogs should, after exceeding the upper needle bar dead center, still conduct a slight "subsequent advance". Caution Risk of Injury! Before adjusting turn the main switch off. Advance eccentric for the rear feed dog –... -
Page 29: Stroke Movement Of The Feed Dogs
2.14.4 Stroke Movement of the Feed Dogs When the needle point reaches the needle hole the downward moving teeth of the feed dogs should be at the same height as the needle plate surface. Caution Risk of Injury! Before adjusting turn the main switch off. –... -
Page 30: Setting The Multiposition Cylinders
2.15 Setting the Multiposition Cylinders Attention! The spaces of the multiple position cylinders must be cleaned daily. The multiposition cylinders in their individually extendable stages must each conduct the same stroke. They are set removed from the machine. Following values apply. (Values in mm) Stage Stroke setting 0,225 +/- 0,02... -
Page 31: Setting The Stitch Regulator Link
2.16 Setting the Stitch Regulator Link The setting of the stitch regulator link occurs with the machine switched on. For the setting, the maximum stage of the cylinders for the crimping values must always have been run out. In this position, both feed dogs and the transport foot must achieve the following stitch lengths: Feed dog at rear 5.0 mm... -
Page 32: Checking And Setting With A Dial Gauge (Precise Adjustment)
2.16.1 Checking and Setting with a Dial Gauge (Precise Adjustment) – To measure the 3 different dimensions, the dial gauge 9, the blocks 8 and the knurled nut 7 must be mounted differently for each. The illustrations show the correct arrangement for each: Illustration a) Feed dog at the rear with dial gauge Illustration b) -
Page 33: Checking And Setting With A Caliper Gauge (Rough Adjustment)
2.16.2 Checking and Setting with a Caliper Gauge (Rough Adjustment) – Turn the handwheel until both feed dogs are in their forward position. – Measure the clearance between the rear edge of the feed dog and the needle plate slot with a caliper gauge. Note the value. –... -
Page 34: Thread Take-Up Disk
2.17 Thread Take-up Disk Gauge 7 The thread take-up disk should, with the machine arrested in slot B (upper dead center), lie 4 mm above the support plate 1. Caution Risk of Injury! Before adjusting turn the machine off. – Loosen the screws on the thread take-up disk. -
Page 35: Changing The Knife Stroke
2.18 Setting of the Edge Cutter (models 550-12-24; -26 only) 2.18.1 Changing the Knife Stroke At the factory the knife stroke is set at 8 mm. It can be changed to 6 mm. This makes the machine quieter. Caution Risk of Injury! Before converting turn the main switch off. -
Page 36: Setting Of The Upper Knife In The Direction Of The Seam
2.18.2 Setting of the Upper Knife in the Direction of the Seam When the upper knife, with the edge cutter turned on, is in its lower dead center, the forward tip of the knife blade should be about 1 mm in front of the needle. -
Page 37: Idle Of The Cutter Bar When Shut Off
2.18.3 Idle of the Cutter Bar when Shut Off With the edge cutter switched off the cutter bar should have minimal movement. (An absolute idle is not possible) Caution Risk of Injury! Before adjusting turn the main switch off. – Loosen clamping screw 1 on the clamping piece 2. -
Page 38: Height Setting And Lateral Adjustment Of The Upper Knife
2.18.4 Height Setting and Lateral Adjustment of the Upper Knife At the lower dead center of the activated edge cutter, the forward tip 3 of the upper knife should reach the blade of the lower knife. Sideways, the upper knife should be aligned so that the pilot, at the upper dead center, touches on the lower knife. -
Page 39: Setting Of The Eccentric On The Upper Shaft
2.18.5 Setting of the Eccentric on the Upper Shaft In the first needle position (bottom edge of the needle eye at the height of the upper edge of the needle plate), the 1st screw in direction of run of the eccentric should be congruent with the tension bar. Caution Risk of Injury! Before adjusting turn the main switch off. -
Page 40: Setting The Pressure Foot
2.19 Setting the Pressure Foot Caution Risk of Injury! Before adjusting turn the main switch off. Replacing the sole on the sewing foot Order no. PTFE foot 0196 104008 steel foot 0196 104010 – Press spring 4 down. – Pull the foot off to the side. –... -
Page 41: Setting The Synchronizer
2.20 Setting the Synchronizer. Caution Risk of Injury! Before adjusting turn the main switch off. – Set the sewing machine in position A. – Set the marker line 2 to notch 3. First needle position: The machine should stop at the seam end and within the seam when the hook has securely taken up the loop. -
Page 42: Tape Advance
Setting the Tape Feed and Cutter (model 550-12-26 only) Tape Advance The fabric-advance setting should be such that the fabric channel can be inserted into the needle-plate slot without touching the needle plate. Caution Risk of Injury! Before adjusting turn the main switch off. –... - Page 43 Caution Risk of Injury! Before adjusting turn the main switch off. Adjusting Speed of Tape Advance The operation of the advance must be rapid but not spasmodic. – Forward motion is adjusted with control 3 on the cylinder. – Reverse motion is adjusted with control 4 on the magnetic valve. The magnetic valves are located beneath the base plate.
-
Page 44: Tape Clamp
Tape Clamp The limit switches for the tape clamp must both be set to operate 1 mm from the end of the advancing movement. Caution Risk of Injury! Always take the greatest care when the machine is switched on. Do not touch the foot pedal. –... -
Page 45: Tape Cutter
Tape Cutter The tape cutter cuts the tape when the "0H" function (sewing zero distance with tape) is not activated and the crimping value is changed from between 1 and 15 to 0. Its setting must be such that it severs the strip cleanly, the top edge of the moving blade does not project from the needle plate and the tape channel can pass freely between the static and moving blades. -
Page 46: Changing Cutter Blades
3.3.2 Changing Cutter Blades Caution Risk of Injury! Before adjusting turn the main switch off. – Dismantle cutter as described in 3.3.1. – Undo screw 1. – Replace the static blade and fix it in place so that the longer edge of the slot is in contact with block 2.
Need help?
Do you have a question about the 550-12-23 and is the answer not in the manual?
Questions and answers