2022-Ultrafeed LSZ Guidebook - Flipbook - Page 3
Table of Contents
Ultrafeed Safety ...................... 1
Advanced Thread Tension Adjustment .. 24
Machine Damage Prevention .. 2
Adjusting Presser Foot Tension ............ 25
WorkerB ® Speed Settings ....... 3
Removing Material From Under the
Presser Foot ........................................... 26
Preparing to Sew .................... 4
Choosing Thread Size ................. 4
Ultrafeed Maintenance ........................... 27
Needle Types ...........................5-6
Lubrication ........................................... 27-30
Needle Installation ....................7-8
Presser Feet & Feed Dog
Installation ..............................9-10
Troubleshooting the Ultrafeed ............... 31
Proper Needle Orientation & Installation .... 32
What Is the Posi-Pin Safety
Shear? ................................... 11-12
Replacing the Take-Up Spring ................... 33
Winding Bobbins ...................... 13-14
If Posi-Pin® Safety Shear Breaks ............... 35
Threading the Machine ............. 15-16
Removing & Installing Bobbin Case .. 17
Removing the Hook to Clean the Shuttle
Race Guide Shaft & Free Thread Jams ..... 36
Installing Bobbin in Bobbin Case ............... 18
Skipped Stitches................................... 37-38
Picking Up Bobbin Thread ......................... 19
Thread Issues....................................... 39-42
Using the Ultrafeed ................................20
Bobbin Winding Issues .............................. 44
®
Material Surface Is Being Damaged .......... 34
Needle Issues............................................ 43
Starting to Sew .......................................... 20
Regulating Stitch Length ........................... 21
Sewing in Reverse..................................... 21
Turning Corners......................................... 22
Switching From Straight to Zigzag Stitch ... 22
Straight Stitch Needle Positioning.............. 22
Thread Tension Adjustment ...................23
Ultrafeed Timing ................................ 45-54
Schematics ........................................ 55-66
Specifications ................................... 67-68
Warranty ............................................ 69-70