Sailrite ULTRAFEED LSZ Manual Book Download Page 2

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Table of Contents

Ultrafeed Safety �� 1

Machine Damage Prevention �� 2

WorkerB

Speed Settings �� 3

Preparing to Sew �� 4
Choosing Thread Size ��4
Needle Types ��5-6
Needle Installation ��7-8
Presser Feet & Feed Dog

Installation ��9-10

What Is the Posi-Pin

Safety

Shear? �� 11-12

Winding Bobbins ��13-14

Threading the Machine ��15-16

Removing & Installing Bobbin Case ��17

Installing Bobbin in Bobbin Case ��18
Picking Up Bobbin Thread ��19

Using the Ultrafeed ��20

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

Advanced Thread Tension Adjustment �� 24

Adjusting Presser Foot Tension �� 25

Removing Material From Under the

Presser Foot �� 26

Ultrafeed Maintenance �� 27

Lubrication �� 27-30

Troubleshooting the Ultrafeed �� 31

Proper Needle Orientation & Installation �� 32
Replacing the Take-Up Spring �� 33
Material Surface Is Being Damaged �� 34
If Posi-Pin

Safety Shear Breaks �� 35

Removing the Hook to Clean the Shuttle

Race Guide Shaft & Free Thread Jams �� 36
Skipped Stitches �� 37-38
Thread Issues�� 39-42
Needle Issues�� 43
Bobbin Winding Issues �� 44

Ultrafeed Timing �� 45-54

Schematics �� 55-66

Specifications �� 67-68

Warranty �� 69-70

Your Sewing Journey

Starts Today!

Congratulations on your new Ultrafeed

Sewing

Machine. Inside this guidebook you'll find detailed

instructions, photos and videos on how to prepare

and use your machine, as well as troubleshooting and

maintenance advice�

To watch all of the setup and maintenance videos in this

guidebook, please visit Sailrite�com/LSZ-Guidebook-Videos

for a complete video playlist�

Summary of Contents for ULTRAFEED LSZ

Page 1: ...ULTRAFEED LSZ GUIDEBOOK USE MAINTENANCE TROUBLESHOOTING SCHEMATICS...

Page 2: ...oving Material From Under the Presser Foot 26 Ultrafeed Maintenance 27 Lubrication 27 30 Troubleshooting the Ultrafeed 31 Proper Needle Orientation Installation 32 Replacing the Take Up Spring 33 Mate...

Page 3: ...is designed to work on inverter generator of 400W or more of the Modified Sine Wave or Square Wave types Pure or Digital Synthesized Wave Inverters generators will not work Turn off the motor when se...

Page 4: ...2 V 30 30 12 or 14 V 46 45 14 or 16 V 69 70 16 or 18 V 92 90 18 20 Sailrite Lifetime PTFE 90 14 19 Preparing to Sew Choosing Thread Size The key to a successful sewing project is pairing your needle w...

Page 5: ...e straight seams with recessed stitches These needles are best for sewing medium to long stitches Twist Point needles have oval shaped cutting points that are twisted 45 degrees from the needle eye Th...

Page 6: ...in thread breaking skipped stitches and more A Scarf B Needle bar C Needle screw Ultrafeed needles are round on top unlike home sewing machine needles As a result proper installation must be exercise...

Page 7: ...outside foot underneath the screw and push it up so it rests firmly against the bracket and loosely tighten the screw A 5 Lower the foot and rotate the balance wheel until the needle is in its highes...

Page 8: ...hine What Is the Posi Pin Safety Shear Scan to watch a video on how the Posi Pin works Designed to Protect Your Machine In the event of a bind or machine jam the pin will break at the shear point A pr...

Page 9: ...und bobbin tensioner G 4 Run under and up through a hole in top of bobbin H Place bobbin on post and push to the right Hold onto thread tail briefly and power machine with the clutch disengaged to win...

Page 10: ...holes going down through the rightmost hole skipping middle hole and bringing thread around front and down again through the leftmost hole F 5 Thread through upper tension assembly shown without cove...

Page 11: ...re is a clicking sound when the case is pushed all the way on The finger of the bobbin case will drop into the notch in the hook s retaining ring H Bobbin thread should loosely dangle A Bobbin B Bobbi...

Page 12: ...erB Power Pack 2 Insert the Posi Pin Safety Shear into a hole in the balance wheel Maintain light pressure on the Posi Pin and rotate the balance wheel toward you until the Posi Pin locks into a matin...

Page 13: ...ight stitch mode stitch width adjustment lever at 0 the needle can be moved left right or center 34 This is very helpful when installing zippers where it is best to have the needle as close to the zip...

Page 14: ...sion is tightened all the way down raising the presser foot may bend the lever inside the machine that separates the disks preventing the disks from opening correctly Advanced Thread Tension Adjustmen...

Page 15: ...screw until it comes free of the machine and then rethread it about three complete rotations for the lightest spring setting 41 Decrease Downward Pressure Increase Downward Pressure 42 Maximum Downwar...

Page 16: ...l help your machine operate more smoothly last longer and sew more quietly LSZ Lubrication Points Top side lubrication points Speed Reduction Pulley Under Belt Cover 45 46 Marine Use Potential for Rus...

Page 17: ...Left end and back side lubrication points 47 48 Underside lubrication points NOTE Retaining ring removed Ultrafeed LSZ Guidebook 30 29 Sailrite com...

Page 18: ...oting the Ultrafeed Use this next section as a guide to better understand your Ultrafeed and to help fine tune and resolve common sewing machine problems 1 3 2 Ultrafeed needles are round on top unlik...

Page 19: ...e post I so that the pip on the back faces in toward the machine and the straight arm of the spring faces down approximately at a 6 o clock position Push the spring in all the way 6 Spin the arm of th...

Page 20: ...at the shear point to protect the machine from internal damage or timing issues when you hit something you shouldn t while sewing The pins are intended to be sacrificial and replacing a broken one is...

Page 21: ...inch Stop and lift the foot to twist the sewn assembly and make a direction change Drop the presser feet and continue sewing Follow these directions to avoid badly tensioned corner stitches and reduc...

Page 22: ...e Needle Size Thread Weight If the thread is too thick or thin for the needle it will not pass through the needle eye to form a loop and will instead ball at the needle Check the compatibility of the...

Page 23: ...rom left to right p 15 O Then pull out a longer thread tail and trap it with your finger to the bed of the sewing machine A Release the thread tail after the first few stitches A rat s nest forms in t...

Page 24: ...e sure the Posi Pin A is fully inserted 2 If slipping still occurs remove the Posi Pin A and reverse threaded Posi Pin nut B and slide the balance wheel C off the bushing 3 Use a 2 5mm hex key to tigh...

Page 25: ...stroke all the way down 2 Unlock the needle bar from the drive collar C by loosening the set screw D Use a 2mm hex key to loosen 3 With the needle bar at the bottom of its stroke reposition the needl...

Page 26: ...n the shuttle gib hook and the shuttle driver This play between the parts is intentional and allows the Ultrafeed to sew a wide variety of thread sizes The typical play between parts is 0 04 inch A A...

Page 27: ...rarely requires attention 1 If not already install the gib hook p 36 D 2 Make sure you have a 20 needle installed Set the machine in straight stitch and center the needle 3 Remove the needle plate p...

Page 28: ...C until light taps will move the shuttle assembly D in either direction 4 Carefully move the assembly to position the hook as close to the needle as possible without deflecting E 5 With the mark on th...

Page 29: ...of the shuttle race guide shaft p 54 Adjust the Rotational Positioning of the Shuttle Race Guide Shaft 1 Rotate the balance wheel until the needle enters the shuttle 74 2 With left hand grab the shutt...

Page 30: ...ly includes 28 8511 23 Bobbin Winder W030Z 24 Screw A036 25 Thread Guard Screw 103253 26 Top Plate Set Screw E072 27 Bobbin Winder Ring 120181 28 Thread Take Up Spring included in 22 533211 29 Tension...

Page 31: ...ting Joint Pin B099 23 Needle Bar W066 24 Needle Thread Guide W067 25 Needle 20 135x17 7010 26 Presser Foot Screw A036 27 Inside Presser Foot W012Z 28 Presser Bar A035 1 29 Presser Bar Lower Bushing B...

Page 32: ...9 Lower Shaft Collar B177 10 Compressible Timing Clamp B155 11 Compressible Timing Clamp Pin A084 12 Compressible Timing Clamp Screw B153 13 Shuttle Race Guide Shaft B170 14 Lower Shaft B172 15 Shuttl...

Page 33: ...A069A 10 Forked Rod B103 11 Oscillating Shaft Set Screw Nut A023 12 Driving Crank W046 13 Feed Rock Shaft Crank A071B 14 Feed Rock Shaft A071A 15 Feed Bar Center Screw Nut A076 16 Feed Bar A075 17 Fe...

Page 34: ...W017 16 Screw B010 17 Sawtooth Outside Presser Foot W013Z 18 Presser Bar Actuator W024 19 Presser Bar Actuator Feed Screw W020 1 20 End Plate W041 21 End Plate Set Screw W041 1 22 Presser Foot Bracke...

Page 35: ...10 Speed Reduction Pulley Washer W061 6 11 Speed Reduction Pulley Set Nut W061 2 12 Pulley Bracket W059 13 Motor Bracket Set Washer LT 2M 4 14 Motor Bracket Lock Washer LT 2M 3 15 Motor Bracket Bolt...

Page 36: ...WorkerB Power Pack Specifications Machine Part Number 311602 300600 Maximum Sewing Speed 260 stitches minute with Monster ll Balance Wheel 550 stitches minute with WorkerB Balance Wheel Input Voltage...

Page 37: ...e will not go through the repair process we will contact you so you can file a claim with your shipper Customer is responsible for cost and shipment fees of a replacement machine head box if the origi...

Page 38: ...vide you with everything you need to successfully maintain and repair your Ultrafeed Sewing Machine Your purchase comes with personalized support for the lifetime of your machine We will do our best t...

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