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Strongarm 2000U-33, User Manual, Page: 15 / 34

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Strongarm 2000U-33 User Manual Download Page 15

Matching Fabric To Needles And Thread

For  your  machine to work  properly,  it  is  important  to  match  your  fabric  with  the correct 
needle and thread. The following chart gives general guidelines-

Fabric

Needle 

Point

Needle 

Size-

Singer

Needle 

size- 

Metric

Thread 

Type

Thread 

Weight-

US

Thread 

Weight- 

Metric

Sunbrella 

canvas

Standard

18-22

110-140

Bonded 

polyester

V69-V92

40-30

Dacron 

sailcloth- 

light

Standard

16-18

100-110

Bonded 

polyester

V69

40

Dacron 

sailcloth- 

heavy

Heavy 

Duty

20-22

125-140

Bonded 

polyester

V92, V138

30-20

Soft light 

leather

Leather

16-22

100-140

Bonded 

polyester

V69-V138

40-20

Dry and 

thick 

leather

Leather

22

140

Bonded 

polyester

V92- V138

30-20

Spinnaker 

cloth < .75 

ounce

Standard

12

80

Bonded 

polyester

V30, V46

40-60

Spinnaker 

cloth

1.5 ounce

Standard

16

100

Bonded 

polyester

V46

60

Upholstery 

Fabric 

Standard,

Heavy 

Duty

16-22

100-140

Bonded 

Nylon, 

Monofilament

V69-V138

40-20

Motor 

Trimming 

Vinyl

Heavy 

Duty

20-22

125-140

Bonded 

Nylon

V96-V138

30-20

Strongarm recommends 

Schmetz  Sharp point (regular) needles
For canvas sewing

Schmetz DI Needles-
For thick leather

Schmetz SD1 Needles-
For leather and sailcloth

Schmetz Serv7 Needles-
For heavy and hard to sew fabrics.

Summary of Contents for 2000U-33

Page 1: ...WALKING FOOT SEWING MACHINE USER MANUAL ...

Page 2: ......

Page 3: ... to the machine The base can now be swung under the machine If the base doesn t line up properly loosen the screws to adjust the position of the base then re tighten There is a small tab on the front right of the sewing machine that locks the base in place Please retain the original foam and cardboard shipping container You ll need it if you ever need to transport the machine or return it for serv...

Page 4: ...eedle has two sides One side has a groove that runs from the eye to the shank The other side has a smaller indent just above the eye called a scarf Now look at the needle fitted to the sewing machine Notice the long groove faces outwards or to the left as you face the sewing machine To insert a needle loosen the small screw on the needle bar of the sewing machine that secures the needle Remove the...

Page 5: ...sion disk 1 Place the spool of thread on the thread stand behind the machine Run thread up through the arm of the thread stand 2 Run the thread through the pigtail next to the bobbin tensioner 5 Run the thread under the tension discs and up underneath the thread spring If you remove the lid you will see two grooves make sure the thread goes around the groove closest to the machine not the outer gr...

Page 6: ...from right to left 7 Run the thread through the hole on the front of the needle bar above the needle 8 Thread the needle from left to right 9 Slide the thread through the hole in the walking foot and then pull through about 10cm of thread ...

Page 7: ...3 4 7 6 8 5 2 9 This picture shows the correctly threaded machine ...

Page 8: ...test or sew off the machine You ll need to wind thread onto the bobbin before you start sewing To wind a bobbin 1 Place a bobbin on the bobbin winder on the top right of the machine 1 Run the thread from the thread stand arm through the top hole in the bobbin post from right to left 2 Run the thread around the bobbin tensioner next to the pig tail ...

Page 9: ...ad one for sewing and the other for winding bobbins as you sew This will require the purchase of a second thread stand Removing and installing the bobbin The bobbin can be accessed through the machine s black sliding cover plate to the left of the needle Removing the bobbin case Slide the cover plate to your left and grab the small lever on the bobbin with your thumb and forefinger Pull the bobbin...

Page 10: ... top until the needle goes through one full revolution and finishes in its highest position The needle thread will now be looped around the bobbin Pull the needle thread gently to pull up the bobbin thread Fish out both threads using a flat object such as a pair of small scissors and pass at least 10 cm of thread behind the foot Make sure the needle thread is running through the hole in the centre...

Page 11: ...to the middle of the layers of fabric and meet the top thread Thick upholstery fabrics for example may require a higher tension setting and a longer stitch length and lighter fabrics may require a lower tension setting The zig zag lever adjusts the width of the stitch All the way to the right is 0 or straight stitch and all the way to the left is 4mm Make sure the needle is out of the fabric when ...

Page 12: ...nd be no more visible on one side of the fabric than the other Tension can be set on the tension dial as well as on a small screw on the bobbin It is rare to need to adjust the bobbin tension In general you ll only need to adjust it if you are sewing very fine fabrics with fine thread and small needles ...

Page 13: ...titching Move the wheel by hand so the needle is in the top position Raise the foot and remove the fabric Raising the foot also releases tension on the thread allowing you to remove your fabric Cut the thread close to the fabric leaving at least 10cm of thread remaining in the machine Adjusting Walking Foot Pressure Heavier fabric requires more foot pressure This is applied by turning the knob on ...

Page 14: ...stems when you re order needles Walking foot needles are available from Strongarm or from industrial sewing suppliers They are generally not available from domestic sewing suppliers Needles are sized in both Metric and Singer sizes Singer sizes are more common in the US Metric in Britain and Australia The Strongarm sewing machine fits Singer size 12 to 23 needles which correspond to Metric sizes 8...

Page 15: ...nded polyester V92 V138 30 20 Soft light leather Leather 16 22 100 140 Bonded polyester V69 V138 40 20 Dry and thick leather Leather 22 140 Bonded polyester V92 V138 30 20 Spinnaker cloth 75 ounce Standard 12 80 Bonded polyester V30 V46 40 60 Spinnaker cloth 1 5 ounce Standard 16 100 Bonded polyester V46 60 Upholstery Fabric Standard Heavy Duty 16 22 100 140 Bonded Nylon Monofilament V69 V138 40 2...

Page 16: ...the wheel are facing the sewing machine 8 On the Powerwheel there are two small holes under the belt on the bevelled side Insert the two grub screws into the holes and tighten using the 1 8 Allen key provided 9 Install the new drive belt Slip the drive belt over the Powerwheel first and then slip the belt over the small idle pulley at the back 10 Put back in place the stop motion screw and clamp m...

Page 17: ...ed correctly and lined up with needle hole Needles can break when changing the zig zag or needle position setting while the needle is in the fabric Make sure to raise the needle when changing the zig zag or needle position setting Check machine timing Why are there are loops on the underside of the fabric This usually means there is insufficient needle thread top thread tension This is often becau...

Page 18: ...y 4 Thread and Needle Don t Match Your machine will strain to sew thicker thread with a small needle check the needle chart 5 Not Enough Oil Make sure you apply it to the parts of your machine in order for your machine to run smoothly 6 Tension if the thread is not tight enough or too loose your machine will not run smoothly Check the tension is right on a scrap piece of fabric before you start Ti...

Page 19: ... parts especially the metal bearings Also tip the machine back from its cover and oil the bearings underneath Be careful tipping the machine back the Strongarm is heavy and it s best to have the help of a second person Cleaning a Thread Jam To clean a thread jam you ll need to disassemble the bobbin system First turn the balance wheel until the needle is at its highest point Tilt the machine back ...

Page 20: ...ial solutions have been tested Please see the chapter on troubleshooting first Make sure to change the needle check for correct needle insertion and check the cap spring for burrs before considering retiming your machine The Strongarm 2000U 33 is a robust machine but occasionally a broken needle or a thread jam can knock the machine out of timing Retiming a Strongarm sewing machine is a simple bus...

Page 21: ... setting the Needle Bar Height If the needle on your Strongarm sewing machine hits a hard object such as a grommet or zip or if you run into impenetrable fabric such as the reinforced ends of heavy sails the needle bar may slip to prevent damage to the machine s gears Fortunately re setting the needle bar height is a simple job First remove the end cover from the machine Then turn the balance whee...

Page 22: ...om its lowest point and the tip of the hook is just in line with the needle Now measure the distance between the top of the eye of the needle and the tip of the hook The distance should be less than 1 mm If the distance is out then loosen the set screw on the drive collar using a small high quality screwdriver set the bar to 16mm then tighten the set screw firmly Make sure you don t rotate the nee...

Page 23: ...hile turning the balance wheel Using a flashlight a head mounted one is best look at the hook as it sweeps past the needle The hook should sweep past the needle on its right side behind without touching the needle If the hook is too far away or on the wrong left or in front side of the needle the hook will not be able to pick up the thread to make a stitch You will need to adjust the shuttle to mo...

Page 24: ...oosen the two set screws that lock the shuttle driver to the shaft First note how far left and right the shuttle driver is fitted to the shaft You want to adjust the rotational timing while keeping the driver from shifting left and right on the shaft Using a 2mm Allen key undo the two set screws You ll need to rotate the balance wheel after loosening the first screw to get at the second one Once t...

Page 25: ...lutch Washer in slot of Balance Wheel Bushing 4 Remove Clutch Washer and make 1 2 turn and replace 5 Screw in Hand Clutch screw very tight 6 Screw in Stop Screw 7 Back off on Hand Clutch Screw 8 Run motor and check to see if Balance Wheel turns freely without running the machine 9 Tighten Hand Clutch Screw and the machine should run properly ...

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