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Maintenance work

Explanantion

Service

to be carried out

hours

Pneumatic System

- Check water level in the

pressure regulator.

- Clean the filter element.

- Check the tightness of the

system.

The water level should not reach the filter element 1.

- After turning-in the draining screw 3 drain the

water separator 2 under pressure.

The filter element 1 separates dirt and condensed wa-

ter.

- Disconnect the machine from the compressed air line.

- Turn-in the draining screw 3.

The pneumatic system of the machine must be

pressure-free.

- Unscrew the water separator 2.

- Unscrew the filter element 1.

Wash the dirty filter tray and the filter element with

petroleum benzine (no solvent!) and

blow clean by compressed air.

- Re-assemble the conditioning unit.

40

500

500

21

1

2

4

6

8

10

1

2

3

Summary of Contents for 550-16-26

Page 1: ...Winding the Hook Thread 11 4 6 Changing the Hook Thread Bobbin 12 4 7 Setting the Hook Thread Tension 13 4 8 Changing the Needle 14 4 9 Sewing Foot Lift 15 4 10 Arresting the Sewing Foot in the High...

Page 2: ...applications are on the one hand comparatively rare and on the other the variety is immense Dependent of the result of this evaluation appropriate safety measures are to be taken Generally only dry ma...

Page 3: ...eedle system 134 35 797 Sy1955 1 Needle thickness as per E No Nm 70 100 Thickness of sewing thread max Nm 50 3 Number of stitches max min 1 4 000 Stitch length max mm 1 5 5 5 Max clearance under the s...

Page 4: ...the needle thread only with the sewing machine turned off Place the thread rolls on the thread stand and guide the needle and the hook thread through the thread guides The thread guide 1 must be in ve...

Page 5: ...rrect thread interlacing in the middle of the material Illus B Needle thread tension too low or hook thread tension too high high Illus C Needle thread tension too high or hook thread tension too low...

Page 6: ...ads should lie in the middle of the material Too high thread tensions can lead to undesired puckering and thread breakage in thin material Set the main tension 3 so that a uniform stitch formation is...

Page 7: ...thread regulator assures an optimal sewing result With a correct setting the needle thread loop must glide over the thickest part of the hook with a light tension Loosen screw 5 Set the position of th...

Page 8: ...times around the bobbin core and tear off at the thread clamp Swing the bobbin winder lever 1 towards the bobbin Sewing The bobbin winder lever will stop the winding process as soon as the bobbin is...

Page 9: ...case top 3 with the bobbin 7 Remove the empty bobbin from the bobbin case top 3 Inserting a full bobbin Insert the full bobbin in the bobbin case top 3 Pull the hook thread through slit 6 under the te...

Page 10: ...ok thread tension should be created by the brake spring 8 and halb by the tension spring 5 Setting the tension spring The bobbin case top 3 should slowly lower under is own weight see right illustrati...

Page 11: ...ON The furrow 2 of the needle must show to the hook point Tighten screw 1 ATTENTION After a change to another needle thickness the clearance of the hook to the needle must be corrected see Service Ins...

Page 12: ...oot can be lifted pneumatically by operating the pedal 4 Pneumatic sewing foot lift pedal Step half back on the pedal Lift the sewing feet Step completely back on the pedal Activate the thread trimmer...

Page 13: ...foot lifts Press button 3 and release the pedal The raised sewing foot is arrested in the high position Step half back on the pedal again The sewing foot is released 4 11 Setting the Sewing Foot Pres...

Page 14: ...the rolling of the material in the arc the sewing foot will be lifted with the needle frequency synchronously The height could be adjusted using the setting wheel 3 Position 0 on the setting wheel 3...

Page 15: ...tch The next program step is called up 4 15 Left Correction Value Fullness Value Pedal The left pedal 2 has a dual function 1 Automatic operation In automatic operation the fullness value can be corre...

Page 16: ...achine continues to sew at the speed determined with the pedal At the middle of the seam Interrupting the sewing cycle Continuing the sewing cycle Z Sewing an intermediate bartack bartack Changing the...

Page 17: ...the column Service hours When working very linty materials shorter maintenance intervals may result A clean machine protects against malfunctions Maintenance work Explanantion Service to be carried ou...

Page 18: ...n the water separator 2 under pressure The filter element 1 separates dirt and condensed wa ter Disconnect the machine from the compressed air line Turn in the draining screw 3 The pneumatic system of...

Page 19: ...ivalent oil with the following specification Viscosity at 40 C 10 mm s Flash point 150 C ESSO SP NK 10 can be obtained from the sales offices of D RKOPP ADLER AG under the following parts numbers 2 li...

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