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Sailrite Ultrafeed LSZ-1 - User Manual

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ULTRAFEED
®
LS-1 & LSZ-1
GUIDEBOOK
SET-UP • USE • MAINTENANCE • TROUBLESHOOTING • SCHEMATICS
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Summary

Ultrafeed Safety

Ultrafeed Set-Up

Thread

Recommends thread types and sizes for various fabrics and weights.

Winding Bobbins

Threading the Machine

Using the Ultrafeed

Thread Tension Adjustment

Presser Foot and Material Handling

Ultrafeed Maintenance

Lubrication

Details how and when to lubricate the machine with sewing machine oil.

Troubleshooting the Ultrafeed

Thread Tension and Release Issues

Addresses thread tension release and inconsistent stitch tension.

Mechanical and Timing Problems

Covers clutch disengagement, hook cleaning, and timing adjustments.

Stitch Formation Errors

Solutions for skipped stitches, thread issues, and needle problems.

Alignment and Timing Checks

Procedures for checking needle bar height and shuttle hook timing.

Shuttle Gib Hook Positioning

Adjusting rotational and left-right positioning of the shuttle gib hook.

Sailrite Ultrafeed LSZ-1 Specifications

General IconGeneral
Max Stitch Length6 mm
Max Zigzag Width5 mm
Presser Foot Lift12 mm
Needle System135 x 17
Stitch TypeZigzag
TypeWalking Foot
Voltage110V
Warranty2 years limited

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