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ELNA eXcellence 780 User Manual

ELNA eXcellence 780
43 pages
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SERVICE MANUAL
MODEL: eXcellence 780
First Edition: 3 June 2016
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ELNA eXcellence 780 Specifications

General IconGeneral
TypeComputerized
Buttonhole Styles13
Maximum Stitch Width7 mm
Maximum Stitch Length5 mm
DisplayLCD
Speed ControlYes
Start/Stop ButtonYes
Needle ThreaderAutomatic
Thread CutterAutomatic
Knee LifterYes
Included AccessoriesVarious presser feet, bobbins, needles
Presser FeetMultiple types included

Summary

Replacing Electronic Components

Mechanical Adjustment

Feed Dog Height

Adjusting the vertical position of the feed dog for proper sewing.

Needle Drop Position

Adjusting the needle's horizontal position during straight stitch.

Clearance Between Needle and Tip of Rotary Hook (Method 1)

Method 1 for adjusting the clearance between the needle and the rotary hook tip.

Clearance Between Needle and Tip of Rotary Hook (Method 2)

Method 2 for adjusting the clearance between the needle and the rotary hook tip.

Hook Timing

Adjusting the timing of the rotary hook relative to the needle.

Needle Bar Height

Adjusting the vertical position of the needle bar.

Backlash Between Hook Drive Gear and Lower Shaft Gear

Adjusting the gear backlash for smooth operation.

Upper Shaft Shield Plate Position

Adjusting the position of the upper shaft shield plate.

Upper Thread Tension

Adjusting the tension of the upper thread for optimal sewing.

Tension Release Mechanism

Adjusting the thread tension release mechanism for proper function.

Replacing Needle Threader Hook

Steps for removing and replacing the needle threader hook assembly.

Needle Threader Hook Position

Adjusting the alignment of the needle threader hook.

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